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Merge pull request #9113 from ethereum/smt_chc_overflow

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[SMTChecker] Add underflow/overflow target to CHC
This commit is contained in:
chriseth
2020-08-20 13:17:00 +02:00
committed by GitHub
parent 9e488f12fc 5afd1219f5
commit 4dc63875f9
74 changed files with 395 additions and 124 deletions
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test/libsolidity/smtCheckerTests/array_members/pop_2d_unsafe.sol
+1 -1
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@@ -9,4 +9,4 @@ contract C {
}
}
// ----
// Warning 2529: (111-121): Empty array "pop" detected here
// Warning 2529: (111-121): Empty array "pop" detected here.
test/libsolidity/smtCheckerTests/array_members/push_2d_arg_1_unsafe.sol
+1 -1
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@@ -10,5 +10,5 @@ contract C {
}
}
// ----
// Warning 3944: (162-177): Underflow (resulting value less than 0) happens here
// Warning 6328: (150-184): Assertion violation happens here
// Warning 4144: (162-177): Underflow (resulting value less than 0) happens here
test/libsolidity/smtCheckerTests/array_members/push_storage_ref_safe_aliasing.sol
+1 -1
View File
@@ -12,5 +12,5 @@ contract C {
}
}
// ----
// Warning 3944: (217-232): Underflow (resulting value less than 0) happens here
// Warning 6328: (205-239): Assertion violation happens here
// Warning 4144: (217-232): Underflow (resulting value less than 0) happens here
test/libsolidity/smtCheckerTests/complex/slither/const_state_variables.sol
+1 -2
View File
@@ -53,5 +53,4 @@ contract MyConc{
// ----
// Warning 2519: (773-792): This declaration shadows an existing declaration.
// Warning 2018: (1009-1086): Function state mutability can be restricted to view
// Warning 6084: (985-1002): Underflow (resulting value less than 0) happens here.
// Warning 6084: (985-1002): Overflow (resulting value larger than 2**256 - 1) happens here.
// Warning 4984: (985-1002): Overflow (resulting value larger than 2**256 - 1) happens here
test/libsolidity/smtCheckerTests/control_flow/short_circuit_and.sol
-1
View File
@@ -15,4 +15,3 @@ contract c {
}
}
// ----
// Warning 2661: (101-106): Overflow (resulting value larger than 2**256 - 1) happens here
test/libsolidity/smtCheckerTests/control_flow/short_circuit_and_fail.sol
-1
View File
@@ -16,4 +16,3 @@ contract c {
}
// ----
// Warning 6328: (227-236): Assertion violation happens here
// Warning 2661: (101-106): Overflow (resulting value larger than 2**256 - 1) happens here
test/libsolidity/smtCheckerTests/control_flow/short_circuit_and_inside_branch.sol
-1
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@@ -19,4 +19,3 @@ contract c {
// ----
// Warning 6328: (202-218): Assertion violation happens here
// Warning 6328: (242-252): Assertion violation happens here
// Warning 2661: (101-106): Overflow (resulting value larger than 2**256 - 1) happens here
test/libsolidity/smtCheckerTests/control_flow/short_circuit_and_need_both.sol
-1
View File
@@ -15,4 +15,3 @@ contract c {
}
}
// ----
// Warning 2661: (101-106): Overflow (resulting value larger than 2**256 - 1) happens here
test/libsolidity/smtCheckerTests/control_flow/short_circuit_and_need_both_fail.sol
-1
View File
@@ -16,4 +16,3 @@ contract c {
}
// ----
// Warning 6328: (225-235): Assertion violation happens here
// Warning 2661: (101-106): Overflow (resulting value larger than 2**256 - 1) happens here
test/libsolidity/smtCheckerTests/control_flow/short_circuit_or.sol
-1
View File
@@ -15,4 +15,3 @@ contract c {
}
}
// ----
// Warning 2661: (101-106): Overflow (resulting value larger than 2**256 - 1) happens here
test/libsolidity/smtCheckerTests/control_flow/short_circuit_or_fail.sol
-1
View File
@@ -16,4 +16,3 @@ contract c {
}
// ----
// Warning 6328: (225-235): Assertion violation happens here
// Warning 2661: (101-106): Overflow (resulting value larger than 2**256 - 1) happens here
test/libsolidity/smtCheckerTests/control_flow/short_circuit_or_inside_branch.sol
-1
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@@ -25,4 +25,3 @@ contract c {
}
// ----
// Warning 6328: (360-370): Assertion violation happens here
// Warning 2661: (101-106): Overflow (resulting value larger than 2**256 - 1) happens here
test/libsolidity/smtCheckerTests/control_flow/short_circuit_or_need_both.sol
-1
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@@ -15,4 +15,3 @@ contract c {
}
}
// ----
// Warning 2661: (101-106): Overflow (resulting value larger than 2**256 - 1) happens here
test/libsolidity/smtCheckerTests/control_flow/short_circuit_or_need_both_fail.sol
-1
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@@ -16,4 +16,3 @@ contract c {
}
// ----
// Warning 6328: (225-235): Assertion violation happens here
// Warning 2661: (101-106): Overflow (resulting value larger than 2**256 - 1) happens here
test/libsolidity/smtCheckerTests/functions/constructor_hierarchy_3.sol
+2 -2
View File
@@ -19,6 +19,6 @@ contract A is B {
}
}
// ----
// Warning 4984: (203-208): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 4984: (244-249): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 6328: (232-250): Assertion violation happens here
// Warning 2661: (203-208): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 2661: (244-249): Overflow (resulting value larger than 2**256 - 1) happens here
test/libsolidity/smtCheckerTests/functions/constructor_hierarchy_4.sol
+3 -3
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@@ -18,6 +18,6 @@ contract A is B {
}
}
// ----
// Warning 2661: (207-212): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 2661: (198-203): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 2661: (230-235): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 4984: (198-203): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 4984: (207-212): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 4984: (230-235): Overflow (resulting value larger than 2**256 - 1) happens here
test/libsolidity/smtCheckerTests/functions/constructor_hierarchy_diamond.sol
+2 -3
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@@ -25,7 +25,6 @@ contract A is B2, B1 {
}
}
// ----
// Warning 4984: (200-205): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 4984: (314-319): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 6328: (302-320): Assertion violation happens here
// Warning 2661: (200-205): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 2661: (200-205): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 2661: (314-319): Overflow (resulting value larger than 2**256 - 1) happens here
test/libsolidity/smtCheckerTests/functions/constructor_hierarchy_diamond_2.sol
+2 -3
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@@ -25,7 +25,6 @@ contract A is B2, B1 {
}
}
// ----
// Warning 4984: (200-205): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 4984: (314-319): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 6328: (302-320): Assertion violation happens here
// Warning 2661: (200-205): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 2661: (200-205): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 2661: (314-319): Overflow (resulting value larger than 2**256 - 1) happens here
test/libsolidity/smtCheckerTests/functions/constructor_hierarchy_diamond_3.sol
+3 -7
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@@ -27,11 +27,7 @@ contract A is B2, B1 {
}
}
// ----
// Warning 4984: (160-165): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 4984: (225-230): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 4984: (241-246): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 6328: (334-350): Assertion violation happens here
// Warning 4144: (160-165): Underflow (resulting value less than 0) happens here
// Warning 2661: (160-165): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 2661: (225-230): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 2661: (241-246): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 2661: (225-230): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 2661: (241-246): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 2661: (160-165): Overflow (resulting value larger than 2**256 - 1) happens here
test/libsolidity/smtCheckerTests/functions/constructor_hierarchy_mixed_chain_with_params.sol
+1 -2
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@@ -25,6 +25,5 @@ contract A is B {
}
}
// ----
// Warning 4984: (247-252): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 6328: (328-342): Assertion violation happens here
// Warning 2661: (247-252): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 2661: (247-252): Overflow (resulting value larger than 2**256 - 1) happens here
test/libsolidity/smtCheckerTests/functions/constructor_state_value_parameter.sol
+1 -1
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@@ -13,5 +13,5 @@ contract C {
}
}
// ----
// Warning 4984: (115-120): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 6328: (162-176): Assertion violation happens here
// Warning 2661: (115-120): Overflow (resulting value larger than 2**256 - 1) happens here
test/libsolidity/smtCheckerTests/functions/internal_call_state_var_init_2.sol
-3
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@@ -7,6 +7,3 @@ contract c {
bool b = (f() > 0) || (f() > 0);
}
// ----
// Warning 2661: (100-105): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 4144: (100-105): Underflow (resulting value less than 0) happens here
// Warning 2661: (100-105): Overflow (resulting value larger than 2**256 - 1) happens here
test/libsolidity/smtCheckerTests/functions/library_constant.sol
+2 -3
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@@ -20,7 +20,6 @@ contract C {
}
// ----
// Warning 6328: (136-155): Assertion violation happens here
// Warning 2661: (229-234): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 4984: (229-234): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 4984: (327-332): Overflow (resulting value larger than 2**256 - 1) happens here.
// Warning 8364: (300-302): Assertion checker does not yet implement type type(library l1)
// Warning 2661: (229-234): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 2661: (327-332): Overflow (resulting value larger than 2**256 - 1) happens here
test/libsolidity/smtCheckerTests/inheritance/constructor_hierarchy_mixed_chain_with_params.sol
+1 -2
View File
@@ -25,6 +25,5 @@ contract A is B {
}
}
// ----
// Warning 4984: (247-252): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 6328: (328-342): Assertion violation happens here
// Warning 2661: (247-252): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 2661: (247-252): Overflow (resulting value larger than 2**256 - 1) happens here
test/libsolidity/smtCheckerTests/inheritance/constructor_state_variable_init_chain_run_all.sol
+6 -8
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@@ -22,12 +22,10 @@ contract A is B {
}
// ----
// Warning 4984: (157-162): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 4984: (216-221): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 4984: (239-244): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 4984: (261-266): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 4984: (261-270): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 4984: (287-292): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 6328: (275-293): Assertion violation happens here
// Warning 4144: (157-162): Underflow (resulting value less than 0) happens here
// Warning 2661: (157-162): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 2661: (216-221): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 2661: (157-162): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 2661: (239-244): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 2661: (261-266): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 2661: (261-270): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 2661: (287-292): Overflow (resulting value larger than 2**256 - 1) happens here
test/libsolidity/smtCheckerTests/inheritance/constructor_state_variable_init_chain_run_all_2.sol
+5 -6
View File
@@ -22,10 +22,9 @@ contract A is B {
}
// ----
// Warning 4984: (157-163): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 4984: (217-222): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 4984: (240-245): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 4984: (262-268): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 4984: (285-290): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 6328: (273-291): Assertion violation happens here
// Warning 2661: (157-163): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 2661: (217-222): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 2661: (157-163): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 2661: (240-245): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 2661: (262-268): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 2661: (285-290): Overflow (resulting value larger than 2**256 - 1) happens here
test/libsolidity/smtCheckerTests/loops/do_while_1_fail.sol
+1 -3
View File
@@ -5,7 +5,6 @@ contract C
function f(uint x) public pure {
require(x < 100);
do {
// Overflows due to resetting x.
x = x + 1;
} while (x < 10);
assert(x < 14);
@@ -14,5 +13,4 @@ contract C
// ====
// SMTSolvers: z3
// ----
// Warning 6328: (179-193): Assertion violation happens here
// Warning 2661: (150-155): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 6328: (143-157): Assertion violation happens here
test/libsolidity/smtCheckerTests/loops/do_while_1_false_positives.sol
-5
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@@ -5,15 +5,10 @@ contract C
function f(uint x) public pure {
require(x < 100);
do {
// Overflows due to resetting x.
x = x + 1;
} while (x < 1000);
// The assertion is true but we can't infer so
// because x is touched in the loop.
assert(x > 0);
}
}
// ====
// SMTSolvers: z3
// ----
// Warning 2661: (150-155): Overflow (resulting value larger than 2**256 - 1) happens here
test/libsolidity/smtCheckerTests/loops/for_1_fail.sol
+1
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@@ -14,5 +14,6 @@ contract C
// ====
// SMTSolvers: z3
// ----
// Warning 1218: (176-181): Error trying to invoke SMT solver.
// Warning 6328: (189-203): Assertion violation happens here
// Warning 2661: (176-181): Overflow (resulting value larger than 2**256 - 1) happens here
test/libsolidity/smtCheckerTests/loops/while_loop_array_assignment_memory_memory.sol
+1
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@@ -19,6 +19,7 @@ contract LoopFor2 {
// ====
// SMTSolvers: z3
// ----
// Warning 1218: (244-249): Error trying to invoke SMT solver.
// Warning 6328: (281-301): Assertion violation happens here
// Warning 6328: (305-324): Assertion violation happens here
// Warning 6328: (328-347): Assertion violation happens here
test/libsolidity/smtCheckerTests/loops/while_loop_array_assignment_memory_storage.sol
+1
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@@ -23,5 +23,6 @@ contract LoopFor2 {
// ====
// SMTSolvers: z3
// ----
// Warning 1218: (237-242): Error trying to invoke SMT solver.
// Warning 6328: (362-382): Assertion violation happens here
// Warning 6328: (409-428): Assertion violation happens here
test/libsolidity/smtCheckerTests/modifiers/modifier_code_after_placeholder.sol
+1 -1
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@@ -21,5 +21,5 @@ contract C
}
}
// ----
// Warning 4984: (203-208): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 6328: (136-149): Assertion violation happens here
// Warning 2661: (203-208): Overflow (resulting value larger than 2**256 - 1) happens here
test/libsolidity/smtCheckerTests/modifiers/modifier_overflow.sol
-1
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@@ -15,4 +15,3 @@ contract C
}
}
// ----
// Warning 2661: (145-150): Overflow (resulting value larger than 2**256 - 1) happens here
test/libsolidity/smtCheckerTests/operators/div_zero.sol
+8
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@@ -0,0 +1,8 @@
pragma experimental SMTChecker;
contract C {
uint z = 0;
uint x = 2 / z;
}
// ----
// Warning 6084: (69-74): Division by zero happens here.
test/libsolidity/smtCheckerTests/operators/division_3.sol
+1
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@@ -6,4 +6,5 @@ contract C {
}
}
// ----
// Warning 1218: (127-132): Error trying to invoke SMT solver.
// Warning 2661: (127-132): Overflow (resulting value larger than 0x80 * 2**248 - 1) happens here
test/libsolidity/smtCheckerTests/operators/division_4.sol
+2
View File
@@ -6,3 +6,5 @@ contract C {
return x / y;
}
}
// ----
// Warning 1218: (147-152): Error trying to invoke SMT solver.
test/libsolidity/smtCheckerTests/operators/division_5.sol
+2
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@@ -9,3 +9,5 @@ contract C {
return c;
}
}
// ----
// Warning 1218: (151-156): Error trying to invoke SMT solver.
test/libsolidity/smtCheckerTests/operators/division_6.sol
+2
View File
@@ -11,3 +11,5 @@ contract C {
return c;
}
}
// ----
// Warning 1218: (265-270): Error trying to invoke SMT solver.
test/libsolidity/smtCheckerTests/operators/division_truncates_correctly_2.sol
+1
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@@ -7,4 +7,5 @@ contract C {
}
}
// ----
// Warning 1218: (112-117): Error trying to invoke SMT solver.
// Warning 1218: (105-123): Error trying to invoke SMT solver.
test/libsolidity/smtCheckerTests/operators/division_truncates_correctly_3.sol
+1
View File
@@ -7,4 +7,5 @@ contract C {
}
}
// ----
// Warning 1218: (113-118): Error trying to invoke SMT solver.
// Warning 1218: (106-125): Error trying to invoke SMT solver.
test/libsolidity/smtCheckerTests/operators/division_truncates_correctly_4.sol
+1
View File
@@ -7,4 +7,5 @@ contract C {
}
}
// ----
// Warning 1218: (113-118): Error trying to invoke SMT solver.
// Warning 1218: (106-125): Error trying to invoke SMT solver.
test/libsolidity/smtCheckerTests/operators/division_truncates_correctly_5.sol
+1
View File
@@ -7,4 +7,5 @@ contract C {
}
}
// ----
// Warning 1218: (114-119): Error trying to invoke SMT solver.
// Warning 1218: (107-125): Error trying to invoke SMT solver.
test/libsolidity/smtCheckerTests/operators/fixed_point_add.sol
+1 -2
View File
@@ -6,7 +6,6 @@ contract test {
}
// ----
// Warning 2072: (80-88): Unused local variable.
// Warning 4984: (91-112): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 5084: (91-100): Type conversion is not yet fully supported and might yield false positives.
// Warning 5084: (103-112): Type conversion is not yet fully supported and might yield false positives.
// Warning 4144: (91-112): Underflow (resulting value less than 0) happens here
// Warning 2661: (91-112): Overflow (resulting value larger than 2**256 - 1) happens here
test/libsolidity/smtCheckerTests/operators/fixed_point_compound_add.sol
-2
View File
@@ -4,5 +4,3 @@ contract C {
function f() internal { b[0] += 1; }
}
// ----
// Warning 4144: (84-93): Underflow (resulting value less than 0) happens here
// Warning 2661: (84-93): Overflow (resulting value larger than 2**256 - 1) happens here
test/libsolidity/smtCheckerTests/operators/mod_even.sol
+1
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@@ -9,4 +9,5 @@ contract C
}
}
// ----
// Warning 1218: (113-118): Error trying to invoke SMT solver.
// Warning 1218: (122-142): Error trying to invoke SMT solver.
test/libsolidity/smtCheckerTests/overflow/overflow_mul.sol
+2 -2
View File
@@ -13,5 +13,5 @@ contract C
}
}
// ----
// Warning 2661: (120-125): Overflow (resulting value larger than 255) happens here
// Warning 2661: (163-168): Overflow (resulting value larger than 255) happens here
// Warning 4984: (120-125): Overflow (resulting value larger than 255) happens here
// Warning 4984: (163-168): Overflow (resulting value larger than 255) happens here
test/libsolidity/smtCheckerTests/overflow/overflow_mul_signed.sol
+2 -2
View File
@@ -12,5 +12,5 @@ contract C
}
}
// ----
// Warning 2661: (117-122): Overflow (resulting value larger than 127) happens here
// Warning 2661: (150-157): Overflow (resulting value larger than 127) happens here
// Warning 4984: (117-122): Overflow (resulting value larger than 127) happens here
// Warning 4984: (150-157): Overflow (resulting value larger than 127) happens here
test/libsolidity/smtCheckerTests/overflow/overflow_sum.sol
+2 -2
View File
@@ -14,5 +14,5 @@ contract C
}
}
// ----
// Warning 2661: (154-159): Overflow (resulting value larger than 255) happens here
// Warning 2661: (185-192): Overflow (resulting value larger than 255) happens here
// Warning 4984: (154-159): Overflow (resulting value larger than 255) happens here
// Warning 4984: (185-192): Overflow (resulting value larger than 255) happens here
test/libsolidity/smtCheckerTests/overflow/overflow_sum_signed.sol
+3 -3
View File
@@ -14,6 +14,6 @@ contract C
}
}
// ----
// Warning 2661: (117-122): Overflow (resulting value larger than 127) happens here
// Warning 2661: (151-158): Overflow (resulting value larger than 127) happens here
// Warning 4144: (197-205): Underflow (resulting value less than -128) happens here
// Warning 4984: (117-122): Overflow (resulting value larger than 127) happens here
// Warning 4984: (151-158): Overflow (resulting value larger than 127) happens here
// Warning 3944: (197-205): Underflow (resulting value less than -128) happens here
test/libsolidity/smtCheckerTests/overflow/signed_div_overflow.sol
+11
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@@ -0,0 +1,11 @@
pragma experimental SMTChecker;
contract C {
function f(int x, int y) public pure returns (int) {
return x / y;
}
}
// ----
// Warning 1218: (110-115): Error trying to invoke SMT solver.
// Warning 3046: (110-115): Division by zero happens here
// Warning 2661: (110-115): Overflow (resulting value larger than 0x80 * 2**248 - 1) happens here
test/libsolidity/smtCheckerTests/overflow/signed_guard_sub_overflow.sol
+10
View File
@@ -0,0 +1,10 @@
pragma experimental SMTChecker;
contract C {
function f(int x, int y) public pure returns (int) {
require(x >= y);
return x - y;
}
}
// ----
// Warning 4984: (129-134): Overflow (resulting value larger than 0x80 * 2**248 - 1) happens here
test/libsolidity/smtCheckerTests/overflow/signed_guard_sum_overflow.sol
+11
View File
@@ -0,0 +1,11 @@
pragma experimental SMTChecker;
contract C {
function f(int x, int y) public pure returns (int) {
require(x + y >= x);
return x + y;
}
}
// ----
// Warning 3944: (111-116): Underflow (resulting value less than -57896044618658097711785492504343953926634992332820282019728792003956564819968) happens here
// Warning 3944: (133-138): Underflow (resulting value less than -57896044618658097711785492504343953926634992332820282019728792003956564819968) happens here
test/libsolidity/smtCheckerTests/overflow/signed_mod_overflow.sol
+9
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@@ -0,0 +1,9 @@
pragma experimental SMTChecker;
contract C {
function f(int x, int y) public pure returns (int) {
return x % y;
}
}
// ----
// Warning 3046: (110-115): Division by zero happens here
test/libsolidity/smtCheckerTests/overflow/signed_mul_overflow.sol
+10
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@@ -0,0 +1,10 @@
pragma experimental SMTChecker;
contract C {
function f(int x, int y) public pure returns (int) {
return x * y;
}
}
// ----
// Warning 3944: (110-115): Underflow (resulting value less than -57896044618658097711785492504343953926634992332820282019728792003956564819968) happens here
// Warning 4984: (110-115): Overflow (resulting value larger than 0x80 * 2**248 - 1) happens here
test/libsolidity/smtCheckerTests/overflow/signed_sub_overflow.sol
+10
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@@ -0,0 +1,10 @@
pragma experimental SMTChecker;
contract C {
function f(int x, int y) public pure returns (int) {
return x - y;
}
}
// ----
// Warning 3944: (110-115): Underflow (resulting value less than -57896044618658097711785492504343953926634992332820282019728792003956564819968) happens here
// Warning 4984: (110-115): Overflow (resulting value larger than 0x80 * 2**248 - 1) happens here
test/libsolidity/smtCheckerTests/overflow/signed_sum_overflow.sol
+10
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@@ -0,0 +1,10 @@
pragma experimental SMTChecker;
contract C {
function f(int x, int y) public pure returns (int) {
return x + y;
}
}
// ----
// Warning 3944: (110-115): Underflow (resulting value less than -57896044618658097711785492504343953926634992332820282019728792003956564819968) happens here
// Warning 4984: (110-115): Overflow (resulting value larger than 0x80 * 2**248 - 1) happens here
test/libsolidity/smtCheckerTests/overflow/simple_overflow.sol
+1 -1
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@@ -3,4 +3,4 @@ contract C {
function f(uint a, uint b) public pure returns (uint) { return a + b; }
}
// ----
// Warning 2661: (112-117): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 4984: (112-117): Overflow (resulting value larger than 2**256 - 1) happens here
test/libsolidity/smtCheckerTests/overflow/underflow_sub.sol
+2 -2
View File
@@ -12,5 +12,5 @@ contract C
}
}
// ----
// Warning 4144: (117-122): Underflow (resulting value less than 0) happens here
// Warning 4144: (150-157): Underflow (resulting value less than 0) happens here
// Warning 3944: (117-122): Underflow (resulting value less than 0) happens here
// Warning 3944: (150-157): Underflow (resulting value less than 0) happens here
test/libsolidity/smtCheckerTests/overflow/underflow_sub_signed.sol
+3 -3
View File
@@ -16,6 +16,6 @@ contract C
}
}
// ----
// Warning 4144: (116-123): Underflow (resulting value less than -128) happens here
// Warning 4144: (163-170): Underflow (resulting value less than -128) happens here
// Warning 2661: (207-217): Overflow (resulting value larger than 127) happens here
// Warning 3944: (116-123): Underflow (resulting value less than -128) happens here
// Warning 3944: (163-170): Underflow (resulting value less than -128) happens here
// Warning 4984: (207-217): Overflow (resulting value larger than 127) happens here
test/libsolidity/smtCheckerTests/overflow/unsigned_div_overflow.sol
+9
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@@ -0,0 +1,9 @@
pragma experimental SMTChecker;
contract C {
function f(uint x, uint y) public pure returns (uint) {
return x / y;
}
}
// ----
// Warning 3046: (113-118): Division by zero happens here
test/libsolidity/smtCheckerTests/overflow/unsigned_guard_sub_overflow.sol
+8
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@@ -0,0 +1,8 @@
pragma experimental SMTChecker;
contract C {
function f(uint x, uint y) public pure returns (uint) {
require(x >= y);
return x - y;
}
}
test/libsolidity/smtCheckerTests/overflow/unsigned_guard_sum_overflow.sol
+8
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@@ -0,0 +1,8 @@
pragma experimental SMTChecker;
contract C {
function f(uint x, uint y) public pure returns (uint) {
require(x + y >= x);
return x + y;
}
}
test/libsolidity/smtCheckerTests/overflow/unsigned_mod_overflow.sol
+9
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@@ -0,0 +1,9 @@
pragma experimental SMTChecker;
contract C {
function f(uint x, uint y) public pure returns (uint) {
return x % y;
}
}
// ----
// Warning 3046: (113-118): Division by zero happens here
test/libsolidity/smtCheckerTests/overflow/unsigned_mul_overflow.sol
+9
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@@ -0,0 +1,9 @@
pragma experimental SMTChecker;
contract C {
function f(uint x, uint y) public pure returns (uint) {
return x * y;
}
}
// ----
// Warning 4984: (113-118): Overflow (resulting value larger than 2**256 - 1) happens here
test/libsolidity/smtCheckerTests/overflow/unsigned_sub_overflow.sol
+9
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@@ -0,0 +1,9 @@
pragma experimental SMTChecker;
contract C {
function f(uint x, uint y) public pure returns (uint) {
return x - y;
}
}
// ----
// Warning 3944: (113-118): Underflow (resulting value less than 0) happens here
test/libsolidity/smtCheckerTests/overflow/unsigned_sum_overflow.sol
+9
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@@ -0,0 +1,9 @@
pragma experimental SMTChecker;
contract C {
function f(uint x, uint y) public pure returns (uint) {
return x + y;
}
}
// ----
// Warning 4984: (113-118): Overflow (resulting value larger than 2**256 - 1) happens here
test/libsolidity/smtCheckerTests/special/many.sol
+1 -1
View File
@@ -15,6 +15,7 @@ contract C
}
}
// ----
// Warning 4984: (311-316): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 6328: (79-115): Assertion violation happens here
// Warning 6328: (119-161): Assertion violation happens here
// Warning 6328: (165-204): Assertion violation happens here
@@ -23,4 +24,3 @@ contract C
// Warning 6328: (304-332): Assertion violation happens here
// Warning 6328: (336-364): Assertion violation happens here
// Warning 6328: (368-391): Assertion violation happens here
// Warning 2661: (311-316): Overflow (resulting value larger than 2**256 - 1) happens here
test/libsolidity/smtCheckerTests/types/address_balance.sol
+1 -1
View File
@@ -9,5 +9,5 @@ contract C
}
// ----
// Warning 2072: (96-102): Unused local variable.
// Warning 4984: (105-127): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 6328: (131-160): Assertion violation happens here
// Warning 2661: (105-127): Overflow (resulting value larger than 2**256 - 1) happens here
test/libsolidity/smtCheckerTests/types/tuple_declarations_function_2.sol
+1 -1
View File
@@ -15,4 +15,4 @@ contract C
}
}
// ----
// Warning 2661: (152-157): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 4984: (152-157): Overflow (resulting value larger than 2**256 - 1) happens here