Fix SMTChecker tests in 060

test/libsolidity/smtCheckerTests/inheritance/constructor_hierarchy_mixed_chain_with_params.sol

@@ -6,13 +6,13 @@ contract F {
 	}
 }
 
-contract E is F {}
-contract D is E {
+abstract contract E is F {}
+abstract contract D is E {
 	constructor() public {
 		a = 3;
 	}
 }
-contract C is D {}
+abstract contract C is D {}
 contract B is C {
 	constructor(uint x) F(x + 1) public {
 	}
@@ -25,5 +25,5 @@ contract A is B {
 	}
 }
 // ----
-// Warning: (234-239): Overflow (resulting value larger than 2**256 - 1) happens here
-// Warning: (329-343): Assertion violation happens here
+// Warning: (261-266): Overflow (resulting value larger than 2**256 - 1) happens here
+// Warning: (356-370): Assertion violation happens here

test/libsolidity/smtCheckerTests/inheritance/constructor_state_variable_init_chain_run_all.sol

@@ -6,7 +6,7 @@ contract C {
 	}
 }
 
-contract B is C {
+abstract contract B is C {
 	uint b;
 	constructor(uint x) public {
 		b = a + x;
@@ -22,6 +22,6 @@ contract A is B {
 }
 
 // ----
-// Warning: (162-167): Underflow (resulting value less than 0) happens here
-// Warning: (162-167): Overflow (resulting value larger than 2**256 - 1) happens here
-// Warning: (287-305): Assertion violation happens here
+// Warning: (171-176): Underflow (resulting value less than 0) happens here
+// Warning: (171-176): Overflow (resulting value larger than 2**256 - 1) happens here
+// Warning: (296-314): Assertion violation happens here

test/libsolidity/smtCheckerTests/inheritance/constructor_state_variable_init_chain_run_all_2.sol

@@ -6,7 +6,7 @@ contract C {
 	}
 }
 
-contract B is C {
+abstract contract B is C {
 	uint b;
 	constructor(uint x) public {
 		b = x + 10;
@@ -22,5 +22,5 @@ contract A is B {
 }
 
 // ----
-// Warning: (162-168): Overflow (resulting value larger than 2**256 - 1) happens here
-// Warning: (285-303): Assertion violation happens here
+// Warning: (171-177): Overflow (resulting value larger than 2**256 - 1) happens here
+// Warning: (294-312): Assertion violation happens here

test/libsolidity/smtCheckerTests/inheritance/fallback.sol

@@ -17,7 +17,7 @@ contract B is A {
 	uint y;
 
 	fallback () external override {
-		assert(x == 0);
+		assert(x == 1);
 	}
 }
 // ----

test/libsolidity/smtCheckerTests/inheritance/fallback_receive.sol

@@ -17,7 +17,7 @@ contract B is A {
 	uint y;
 
 	receive () external payable {
-		assert(x == 0);
+		assert(x == 1);
 	}
 }
 // ----

test/libsolidity/smtCheckerTests/inheritance/receive.sol

@@ -17,7 +17,7 @@ contract B is A {
 	uint y;
 
 	receive () external payable override {
-		assert(x == 0);
+		assert(x == 1);
 	}
 }
 // ----

test/libsolidity/smtCheckerTests/inheritance/receive_fallback.sol

@@ -17,7 +17,7 @@ contract B is A {
 	uint y;
 
 	fallback () external {
-		assert(x == 0);
+		assert(x == 1);
 	}
 }
 // ----