Support XML files containing failed results but no goto_trace field. #180
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Some CBMC solvers like CVC5 can generate a cbmc.xml file containing failed verification results but without the failure trace (or a goto_trace field). With the current behavior, cbmc_viewer will crash when invoked because line 353 will try to iterate through None. This commit fixes this bug.
feliperodri
approved these changes
Dec 5, 2024
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Issue #, if available:
Description of changes:
Some CBMC solvers like CVC5 can generate a cbmc.xml file containing failed verification results but without the failure trace (or a goto_trace field). With the current behavior, cbmc_viewer will crash when invoked because line 353 will try to iterate through None. This commit fixes this bug.
Here is a sample XML file that triggers this crash
CBMC 6.3.1 (cbmc-6.3.1) CBMC version 6.3.1 (cbmc-6.3.1) 64-bit x86_64 linux...
Running SMT2 ALL (with FPA) using CVC5 Runtime Solver: 0.00640582s Runtime decision procedure: 0.00703132s VERIFICATION ERRORERROR
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