/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 --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --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-c90d42b [2020-09-25 14:45:37,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:45:37,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:45:37,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:45:37,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:45:37,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:45:37,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:45:37,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:45:37,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:45:37,597 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:45:37,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:45:37,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:45:37,600 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:45:37,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:45:37,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:45:37,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:45:37,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:45:37,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:45:37,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:45:37,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:45:37,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:45:37,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:45:37,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:45:37,619 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:45:37,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-25 14:45:37,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:45:37,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:45:37,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:45:37,635 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 [2020-09-25 14:45:37,660 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:45:37,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:45:37,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:45:37,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:45:37,662 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:45:37,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:45:37,663 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 14:45:37,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:45:37,663 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 14:45:37,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:45:37,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:45:37,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:45:37,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:45:37,664 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 14:45:37,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:45:37,665 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:45:37,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:45:37,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:45:37,665 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:45:37,665 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:45:37,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:45:37,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:45:37,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:45:37,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:45:37,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:45:37,667 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:45:37,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:45:37,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:45:37,668 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:45:37,668 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.rcfgbuilder: Size of a code block -> SingleStatement 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 -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; [2020-09-25 14:45:38,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:45:38,169 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:45:38,174 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:45:38,175 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:45:38,176 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:45:38,177 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-C-DAC/pthread-finding-k-matches.i [2020-09-25 14:45:38,275 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c986d1b7d/e7802af94434413887887bda37b81b56/FLAG81a334f98 [2020-09-25 14:45:38,991 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:45:38,995 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-C-DAC/pthread-finding-k-matches.i [2020-09-25 14:45:39,015 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c986d1b7d/e7802af94434413887887bda37b81b56/FLAG81a334f98 [2020-09-25 14:45:39,181 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c986d1b7d/e7802af94434413887887bda37b81b56 [2020-09-25 14:45:39,195 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:45:39,201 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:45:39,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:45:39,202 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:45:39,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:45:39,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:45:39" (1/1) ... [2020-09-25 14:45:39,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a529ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:45:39, skipping insertion in model container [2020-09-25 14:45:39,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:45:39" (1/1) ... [2020-09-25 14:45:39,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:45:39,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:45:39,992 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: pthread_attr_init [2020-09-25 14:45:39,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2e99d44e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:45:39, skipping insertion in model container [2020-09-25 14:45:39,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:45:39,995 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-09-25 14:45:39,999 INFO L168 Benchmark]: Toolchain (without parser) took 800.22 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 99.0 MB in the beginning and 175.6 MB in the end (delta: -76.6 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2020-09-25 14:45:40,000 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 14:45:40,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 792.55 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 98.3 MB in the beginning and 175.6 MB in the end (delta: -77.3 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2020-09-25 14:45:40,007 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 792.55 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 98.3 MB in the beginning and 175.6 MB in the end (delta: -77.3 MB). Peak memory consumption was 25.8 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...