Add local vars to cex

test/libsolidity/smtCheckerTests/overflow/overflow_constant_bound.sol

@@ -13,5 +13,6 @@ contract DepositContract {
     }
 }
 // ----
+// Warning 1218: (289-310): CHC: Error trying to invoke SMT solver.
 // Warning 4984: (289-310): CHC: Overflow (resulting value larger than 2**256 - 1) might happen here.
 // Warning 2661: (289-310): BMC: Overflow (resulting value larger than 2**256 - 1) happens here.

test/libsolidity/smtCheckerTests/overflow/overflow_mul.sol

@@ -13,4 +13,4 @@ contract C
 	}
 }
 // ----
-// Warning 4984: (120-125): CHC: Overflow (resulting value larger than 255) happens here.\nCounterexample:\n\nx = 100\n = 0\n\nTransaction trace:\nC.constructor()\nC.f(0)
+// Warning 4984: (120-125): CHC: Overflow (resulting value larger than 255) happens here.\nCounterexample:\n\nx = 100\n = 0\ny = 0\n\nTransaction trace:\nC.constructor()\nC.f(0)

test/libsolidity/smtCheckerTests/overflow/overflow_mul_cex_with_array.sol

@@ -7,6 +7,8 @@ contract C {
 		x[8][5*y];
 	}
 }
+// ====
+// SMTIgnoreCex: yes
 // ----
-// Warning 4984: (144-147): CHC: Overflow (resulting value larger than 2**256 - 1) happens here.\nCounterexample:\n\nx = [38, 38, 38, 38, 38, 38, 9, 38, 38, 38, 13]\ny = 23158417847463239084714197001737581570653996933128112807891516801582625927988\n\nTransaction trace:\nC.constructor()\nC.f([38, 38, 38, 38, 38, 38, 9, 38, 38, 38, 13], 23158417847463239084714197001737581570653996933128112807891516801582625927988)
-// Warning 6368: (139-148): CHC: Out of bounds access happens here.\nCounterexample:\n\nx = [38, 38, 38, 38, 38, 38, 38, 9, 38, 38, 38]\ny = 1\n\nTransaction trace:\nC.constructor()\nC.f([38, 38, 38, 38, 38, 38, 38, 9, 38, 38, 38], 1)
+// Warning 4984: (144-147): CHC: Overflow (resulting value larger than 2**256 - 1) happens here.
+// Warning 6368: (139-148): CHC: Out of bounds access happens here.

test/libsolidity/smtCheckerTests/overflow/overflow_mul_signed.sol

@@ -13,4 +13,4 @@ contract C
 	}
 }
 // ----
-// Warning 4984: (169-176): CHC: Overflow (resulting value larger than 127) happens here.\nCounterexample:\n\nx = 100\n = 0\n\nTransaction trace:\nC.constructor()\nC.f(0)
+// Warning 4984: (169-176): CHC: Overflow (resulting value larger than 127) happens here.\nCounterexample:\n\nx = 100\n = 0\ny = (- 56)\n\nTransaction trace:\nC.constructor()\nC.f(0)

test/libsolidity/smtCheckerTests/overflow/overflow_sum.sol

@@ -15,4 +15,4 @@ contract C
 	}
 }
 // ----
-// Warning 4984: (218-225): CHC: Overflow (resulting value larger than 255) happens here.\nCounterexample:\n\nx = 255\n = 0\n\nTransaction trace:\nC.constructor()\nC.f(0)
+// Warning 4984: (218-225): CHC: Overflow (resulting value larger than 255) happens here.\nCounterexample:\n\nx = 255\n = 0\ny = 0\n\nTransaction trace:\nC.constructor()\nC.f(0)

test/libsolidity/smtCheckerTests/overflow/signed_guard_sum_overflow.sol

@@ -6,6 +6,8 @@ contract C  {
 		return x + y;
 	}
 }
+// ====
+// SMTIgnoreCex: yes
 // ----
-// Warning 3944: (111-116): CHC: Underflow (resulting value less than -57896044618658097711785492504343953926634992332820282019728792003956564819968) happens here.\nCounterexample:\n\nx = (- 1)\ny = (- 57896044618658097711785492504343953926634992332820282019728792003956564819968)\n = 0\n\nTransaction trace:\nC.constructor()\nC.f((- 1), (- 57896044618658097711785492504343953926634992332820282019728792003956564819968))
-// Warning 4984: (111-116): CHC: Overflow (resulting value larger than 0x80 * 2**248 - 1) happens here.\nCounterexample:\n\nx = 1\ny = 57896044618658097711785492504343953926634992332820282019728792003956564819967\n = 0\n\nTransaction trace:\nC.constructor()\nC.f(1, 57896044618658097711785492504343953926634992332820282019728792003956564819967)
+// Warning 3944: (111-116): CHC: Underflow (resulting value less than -57896044618658097711785492504343953926634992332820282019728792003956564819968) happens here.
+// Warning 4984: (111-116): CHC: Overflow (resulting value larger than 0x80 * 2**248 - 1) happens here.

test/libsolidity/smtCheckerTests/overflow/signed_sub_overflow.sol

@@ -5,6 +5,8 @@ contract C  {
 		return x - y;
 	}
 }
+// ====
+// SMTIgnoreCex: yes
 // ----
-// Warning 3944: (110-115): CHC: Underflow (resulting value less than -57896044618658097711785492504343953926634992332820282019728792003956564819968) happens here.\nCounterexample:\n\nx = (- 2)\ny = 57896044618658097711785492504343953926634992332820282019728792003956564819967\n = 0\n\nTransaction trace:\nC.constructor()\nC.f((- 2), 57896044618658097711785492504343953926634992332820282019728792003956564819967)
-// Warning 4984: (110-115): CHC: Overflow (resulting value larger than 0x80 * 2**248 - 1) happens here.\nCounterexample:\n\nx = 0\ny = (- 57896044618658097711785492504343953926634992332820282019728792003956564819968)\n = 0\n\nTransaction trace:\nC.constructor()\nC.f(0, (- 57896044618658097711785492504343953926634992332820282019728792003956564819968))
+// Warning 3944: (110-115): CHC: Underflow (resulting value less than -57896044618658097711785492504343953926634992332820282019728792003956564819968) happens here.
+// Warning 4984: (110-115): CHC: Overflow (resulting value larger than 0x80 * 2**248 - 1) happens here.

test/libsolidity/smtCheckerTests/overflow/signed_sum_overflow.sol

@@ -5,6 +5,8 @@ contract C  {
 		return x + y;
 	}
 }
+// ====
+// SMTIgnoreCex: yes
 // ----
-// Warning 3944: (110-115): CHC: Underflow (resulting value less than -57896044618658097711785492504343953926634992332820282019728792003956564819968) happens here.\nCounterexample:\n\nx = (- 1)\ny = (- 57896044618658097711785492504343953926634992332820282019728792003956564819968)\n = 0\n\nTransaction trace:\nC.constructor()\nC.f((- 1), (- 57896044618658097711785492504343953926634992332820282019728792003956564819968))
-// Warning 4984: (110-115): CHC: Overflow (resulting value larger than 0x80 * 2**248 - 1) happens here.\nCounterexample:\n\nx = 1\ny = 57896044618658097711785492504343953926634992332820282019728792003956564819967\n = 0\n\nTransaction trace:\nC.constructor()\nC.f(1, 57896044618658097711785492504343953926634992332820282019728792003956564819967)
+// Warning 3944: (110-115): CHC: Underflow (resulting value less than -57896044618658097711785492504343953926634992332820282019728792003956564819968) happens here.
+// Warning 4984: (110-115): CHC: Overflow (resulting value larger than 0x80 * 2**248 - 1) happens here.

test/libsolidity/smtCheckerTests/overflow/unsigned_guard_sum_overflow.sol

@@ -5,5 +5,7 @@ contract C  {
 		return x + y;
 	}
 }
+// ====
+// SMTIgnoreCex: yes
 // ----
-// Warning 4984: (113-118): CHC: Overflow (resulting value larger than 2**256 - 1) happens here.\nCounterexample:\n\nx = 1\ny = 115792089237316195423570985008687907853269984665640564039457584007913129639935\n = 0\n\nTransaction trace:\nC.constructor()\nC.f(1, 115792089237316195423570985008687907853269984665640564039457584007913129639935)
+// Warning 4984: (113-118): CHC: Overflow (resulting value larger than 2**256 - 1) happens here.

test/libsolidity/smtCheckerTests/overflow/unsigned_mul_overflow.sol

@@ -6,4 +6,4 @@ contract C  {
 	}
 }
 // ----
-// Warning 4984: (113-118): CHC: Overflow (resulting value larger than 2**256 - 1) happens here.\nCounterexample:\n\nx = 57896044618658097711785492504343953926634992332820282019728792003956564819968\ny = 2\n = 0\n\nTransaction trace:\nC.constructor()\nC.f(57896044618658097711785492504343953926634992332820282019728792003956564819968, 2)
+// Warning 4984: (113-118): CHC: Overflow (resulting value larger than 2**256 - 1) happens here.\nCounterexample:\n\nx = 2\ny = 57896044618658097711785492504343953926634992332820282019728792003956564819968\n = 0\n\nTransaction trace:\nC.constructor()\nC.f(2, 57896044618658097711785492504343953926634992332820282019728792003956564819968)

test/libsolidity/smtCheckerTests/overflow/unsigned_sum_overflow.sol

@@ -5,5 +5,7 @@ contract C  {
 		return x + y;
 	}
 }
+// ====
+// SMTIgnoreCex: yes
 // ----
-// Warning 4984: (113-118): CHC: Overflow (resulting value larger than 2**256 - 1) happens here.\nCounterexample:\n\nx = 1\ny = 115792089237316195423570985008687907853269984665640564039457584007913129639935\n = 0\n\nTransaction trace:\nC.constructor()\nC.f(1, 115792089237316195423570985008687907853269984665640564039457584007913129639935)
+// Warning 4984: (113-118): CHC: Overflow (resulting value larger than 2**256 - 1) happens here.