/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=1.0 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-C-DAC/pthread-finding-k-matches.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-89f541c [2020-08-28 04:33:19,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-28 04:33:19,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-28 04:33:19,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-08-28 04:33:19,966 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-28 04:33:19,968 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-28 04:33:19,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-28 04:33:19,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-28 04:33:19,972 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-28 04:33:19,973 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-28 04:33:19,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-28 04:33:19,977 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-28 04:33:19,979 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-28 04:33:19,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-28 04:33:19,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-28 04:33:19,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-28 04:33:19,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-28 04:33:20,000 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-28 04:33:20,034 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-28 04:33:20,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-28 04:33:20,036 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-28 04:33:20,036 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-28 04:33:20,037 INFO L138 SettingsManager]: * Use SBE=true [2020-08-28 04:33:20,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-28 04:33:20,037 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-28 04:33:20,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-28 04:33:20,038 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-28 04:33:20,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-28 04:33:20,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-28 04:33:20,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-28 04:33:20,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-28 04:33:20,039 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-28 04:33:20,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-28 04:33:20,039 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-28 04:33:20,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-28 04:33:20,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-28 04:33:20,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-28 04:33:20,040 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-28 04:33:20,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-28 04:33:20,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-28 04:33:20,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-28 04:33:20,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-28 04:33:20,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-28 04:33:20,041 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-28 04:33:20,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-28 04:33:20,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-28 04:33:20,042 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-28 04:33:20,042 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; [2020-08-28 04:33:20,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-28 04:33:20,660 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-28 04:33:20,665 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-28 04:33:20,667 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-28 04:33:20,667 INFO L275 PluginConnector]: CDTParser initialized [2020-08-28 04:33:20,669 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-C-DAC/pthread-finding-k-matches.i [2020-08-28 04:33:20,761 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8589c69ef/c952a266f6924ebe8d74c6c336e3e56c/FLAG25b4a2325 [2020-08-28 04:33:21,455 INFO L306 CDTParser]: Found 1 translation units. [2020-08-28 04:33:21,456 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-C-DAC/pthread-finding-k-matches.i [2020-08-28 04:33:21,488 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8589c69ef/c952a266f6924ebe8d74c6c336e3e56c/FLAG25b4a2325 [2020-08-28 04:33:21,668 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8589c69ef/c952a266f6924ebe8d74c6c336e3e56c [2020-08-28 04:33:21,684 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-28 04:33:21,686 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-28 04:33:21,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-28 04:33:21,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-28 04:33:21,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-28 04:33:21,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 04:33:21" (1/1) ... [2020-08-28 04:33:21,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28d6e00c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 04:33:21, skipping insertion in model container [2020-08-28 04:33:21,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 04:33:21" (1/1) ... [2020-08-28 04:33:21,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-28 04:33:21,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-28 04:33:22,479 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: pthread_attr_init [2020-08-28 04:33:22,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a5ab9d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 04:33:22, skipping insertion in model container [2020-08-28 04:33:22,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-28 04:33:22,481 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-08-28 04:33:22,485 INFO L168 Benchmark]: Toolchain (without parser) took 797.20 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 99.1 MB in the beginning and 176.4 MB in the end (delta: -77.3 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2020-08-28 04:33:22,486 INFO L168 Benchmark]: CDTParser took 0.82 ms. Allocated memory is still 139.5 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-28 04:33:22,487 INFO L168 Benchmark]: CACSL2BoogieTranslator took 792.78 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 98.9 MB in the beginning and 176.4 MB in the end (delta: -77.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2020-08-28 04:33:22,490 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82 ms. Allocated memory is still 139.5 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 792.78 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 98.9 MB in the beginning and 176.4 MB in the end (delta: -77.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1358]: Unsupported Syntax Unsupported function: pthread_attr_init RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...