./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f68b319d77fa756392ca29e618a1e0accd9b6c9e ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f68b319d77fa756392ca29e618a1e0accd9b6c9e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 22:20:44,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:20:44,410 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:20:44,450 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:20:44,452 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:20:44,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:20:44,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:20:44,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:20:44,487 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:20:44,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:20:44,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:20:44,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:20:44,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:20:44,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:20:44,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:20:44,513 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:20:44,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:20:44,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:20:44,528 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:20:44,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:20:44,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:20:44,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:20:44,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:20:44,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:20:44,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:20:44,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:20:44,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:20:44,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:20:44,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:20:44,574 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:20:44,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:20:44,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:20:44,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:20:44,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:20:44,583 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:20:44,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:20:44,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:20:44,588 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:20:44,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:20:44,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:20:44,595 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:20:44,598 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:20:44,642 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:20:44,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:20:44,645 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:20:44,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:20:44,648 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:20:44,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:20:44,649 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:20:44,649 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:20:44,651 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:20:44,651 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:20:44,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:20:44,653 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:20:44,653 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:20:44,656 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:20:44,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:20:44,657 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:20:44,657 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:20:44,657 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:20:44,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:20:44,658 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:20:44,658 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:20:44,660 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:20:44,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:20:44,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:20:44,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:20:44,663 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:20:44,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:20:44,664 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f68b319d77fa756392ca29e618a1e0accd9b6c9e [2019-11-24 22:20:45,321 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:20:45,350 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:20:45,358 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:20:45,364 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:20:45,365 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:20:45,366 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i [2019-11-24 22:20:45,529 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e919112b/835ca3dc9148499ca3a99e7c9e03ee65/FLAGe9a5e6010 [2019-11-24 22:20:46,769 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:20:46,772 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i [2019-11-24 22:20:46,814 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e919112b/835ca3dc9148499ca3a99e7c9e03ee65/FLAGe9a5e6010 [2019-11-24 22:20:46,854 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e919112b/835ca3dc9148499ca3a99e7c9e03ee65 [2019-11-24 22:20:46,864 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:20:46,867 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:20:46,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:20:46,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:20:46,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:20:46,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:20:46" (1/1) ... [2019-11-24 22:20:46,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bcb722f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:46, skipping insertion in model container [2019-11-24 22:20:46,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:20:46" (1/1) ... [2019-11-24 22:20:46,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:20:47,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:20:47,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:20:47,974 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:20:48,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:20:48,232 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:20:48,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:48 WrapperNode [2019-11-24 22:20:48,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:20:48,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:20:48,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:20:48,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:20:48,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:48" (1/1) ... [2019-11-24 22:20:48,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:48" (1/1) ... [2019-11-24 22:20:48,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:48" (1/1) ... [2019-11-24 22:20:48,338 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:48" (1/1) ... [2019-11-24 22:20:48,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:48" (1/1) ... [2019-11-24 22:20:48,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:48" (1/1) ... [2019-11-24 22:20:48,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:48" (1/1) ... [2019-11-24 22:20:48,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:20:48,447 INFO L168 Benchmark]: Toolchain (without parser) took 1576.18 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.2 MB in the end (delta: -10.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:20:48,463 INFO L168 Benchmark]: CDTParser took 3.09 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:20:48,465 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1362.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:20:48,466 INFO L168 Benchmark]: Boogie Preprocessor took 203.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:20:48,476 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.09 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1362.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 203.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 22:20:52,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:20:52,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:20:52,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:20:52,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:20:52,288 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:20:52,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:20:52,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:20:52,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:20:52,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:20:52,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:20:52,328 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:20:52,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:20:52,334 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:20:52,339 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:20:52,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:20:52,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:20:52,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:20:52,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:20:52,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:20:52,367 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:20:52,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:20:52,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:20:52,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:20:52,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:20:52,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:20:52,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:20:52,395 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:20:52,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:20:52,400 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:20:52,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:20:52,401 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:20:52,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:20:52,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:20:52,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:20:52,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:20:52,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:20:52,415 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:20:52,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:20:52,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:20:52,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:20:52,423 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:20:52,476 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:20:52,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:20:52,485 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:20:52,487 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:20:52,487 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:20:52,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:20:52,488 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:20:52,489 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:20:52,492 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:20:52,494 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:20:52,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:20:52,494 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:20:52,495 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:20:52,495 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:20:52,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:20:52,496 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:20:52,499 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:20:52,499 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:20:52,501 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:20:52,501 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:20:52,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:20:52,502 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:20:52,502 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:20:52,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:20:52,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:20:52,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:20:52,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:20:52,506 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:20:52,506 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:20:52,507 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:20:52,510 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f68b319d77fa756392ca29e618a1e0accd9b6c9e [2019-11-24 22:20:53,148 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:20:53,178 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:20:53,186 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:20:53,190 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:20:53,191 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:20:53,193 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i [2019-11-24 22:20:53,357 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f78f40d9e/959c70e5d95e45bcb97bf6c57e2cc37a/FLAGa3bcdd199 [2019-11-24 22:20:54,560 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:20:54,564 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i [2019-11-24 22:20:54,601 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f78f40d9e/959c70e5d95e45bcb97bf6c57e2cc37a/FLAGa3bcdd199 [2019-11-24 22:20:54,640 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f78f40d9e/959c70e5d95e45bcb97bf6c57e2cc37a [2019-11-24 22:20:54,649 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:20:54,654 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:20:54,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:20:54,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:20:54,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:20:54,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:20:54" (1/1) ... [2019-11-24 22:20:54,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36d9c01a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:54, skipping insertion in model container [2019-11-24 22:20:54,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:20:54" (1/1) ... [2019-11-24 22:20:54,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:20:54,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:20:55,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:20:55,808 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:20:55,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:20:56,095 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:20:56,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:56 WrapperNode [2019-11-24 22:20:56,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:20:56,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:20:56,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:20:56,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:20:56,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:56" (1/1) ... [2019-11-24 22:20:56,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:56" (1/1) ... [2019-11-24 22:20:56,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:56" (1/1) ... [2019-11-24 22:20:56,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:56" (1/1) ... [2019-11-24 22:20:56,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:56" (1/1) ... [2019-11-24 22:20:56,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:56" (1/1) ... [2019-11-24 22:20:56,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:56" (1/1) ... [2019-11-24 22:20:56,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:20:56,346 INFO L168 Benchmark]: Toolchain (without parser) took 1692.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 973.9 MB in the end (delta: -12.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:20:56,347 INFO L168 Benchmark]: CDTParser took 3.03 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:20:56,360 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1441.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 973.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:20:56,363 INFO L168 Benchmark]: Boogie Preprocessor took 239.67 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:20:56,368 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.03 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1441.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 973.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 239.67 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...