Merge pull request #9731 from ethereum/smt_import

[SMTChecker] Fix CHC encoding

test/libsolidity/smtCheckerTests/imports/imported_fail_1.sol

@@ -0,0 +1,25 @@
+==== Source:  ====
+import "B.sol";
+pragma experimental SMTChecker;
+contract C is B {
+	function h(uint _x) public view {
+		assert(_x < x);
+	}
+}
+==== Source: A.sol ====
+contract A {
+	uint x;
+	function f(uint _x) public {
+		x = _x;
+	}
+}
+==== Source: B.sol ====
+import "A.sol";
+contract B is A {
+	function g(uint _x) public view {
+		assert(_x > x);
+	}
+}
+// ----
+// Warning 6328: (103-117): Assertion violation happens here.
+// Warning 6328: (B.sol:71-85): Assertion violation happens here.

test/libsolidity/smtCheckerTests/imports/imported_fail_2.sol

@@ -0,0 +1,27 @@
+==== Source:  ====
+import "B.sol";
+pragma experimental SMTChecker;
+contract C is B {
+	function h(uint _x) public view {
+		assert(_x < x);
+	}
+}
+==== Source: A.sol ====
+contract A {
+	uint x;
+	function f(uint _x) public {
+		x = _x;
+	}
+}
+==== Source: B.sol ====
+import "A.sol";
+pragma experimental SMTChecker;
+contract B is A {
+	function g(uint _x) public view {
+		assert(_x > x);
+	}
+}
+// ----
+// Warning 6328: (B.sol:103-117): Assertion violation happens here.
+// Warning 6328: (103-117): Assertion violation happens here.
+// Warning 6328: (B.sol:103-117): Assertion violation happens here.

test/libsolidity/smtCheckerTests/imports/imported_fail_3.sol

@@ -0,0 +1,26 @@
+==== Source:  ====
+import "A.sol";
+pragma experimental SMTChecker;
+contract C is A {
+	function h(uint _x) public view {
+		assert(_x < x);
+	}
+}
+==== Source: A.sol ====
+contract A {
+	uint x;
+	function f(uint _x) public {
+		x = _x;
+	}
+}
+==== Source: B.sol ====
+import "A.sol";
+pragma experimental SMTChecker;
+contract B is A {
+	function g(uint _x) public view {
+		assert(_x > x);
+	}
+}
+// ----
+// Warning 6328: (103-117): Assertion violation happens here.
+// Warning 6328: (B.sol:103-117): Assertion violation happens here.

test/libsolidity/smtCheckerTests/imports/simple.sol

@@ -0,0 +1,6 @@
+==== Source: A.sol ====
+contract A { function f() public {} }
+==== Source:====
+import "A.sol";
+pragma experimental SMTChecker;
+contract C is A {}

test/libsolidity/smtCheckerTests/imports/simple_imported_fail_no_pragma.sol

@@ -0,0 +1,12 @@
+==== Source:  ====
+import "A.sol";
+pragma experimental SMTChecker;
+contract C is A {}
+==== Source: A.sol ====
+contract A {
+	function f(uint x) public pure {
+		assert(x > 0);
+	}
+}
+// ----
+// Warning 6328: (A.sol:49-62): Assertion violation happens here.

test/libsolidity/smtCheckerTests/imports/simple_imported_fail_two_pragmas.sol

@@ -0,0 +1,14 @@
+==== Source:  ====
+import "A.sol";
+pragma experimental SMTChecker;
+contract C is A {}
+==== Source: A.sol ====
+pragma experimental SMTChecker;
+contract A {
+	function f(uint x) public pure {
+		assert(x > 0);
+	}
+}
+// ----
+// Warning 6328: (A.sol:81-94): Assertion violation happens here.
+// Warning 6328: (A.sol:81-94): Assertion violation happens here.

test/libsolidity/smtCheckerTests/operators/shifts/shift_right_uint8.sol

@@ -1,19 +0,0 @@
-pragma experimental SMTChecker;
-
-contract C {
-    function f(uint8 a, uint8 b) internal pure returns (uint256) {
-        return a >> b;
-    }
-	function t() public pure {
-		assert(f(0x66, 0) == 0x66);
-		// Fails because the above is true.
-		assert(f(0x66, 0) == 0x6);
-
-		assert(f(0x66, 8) == 0);
-		// Fails because the above is true.
-		assert(f(0x66, 8) == 1);
-	}
-}
-// ----
-// Warning 6328: (240-265): Assertion violation happens here.
-// Warning 6328: (335-358): Assertion violation happens here.