/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=5 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.4 -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 0.1.25-5644d1e-m [2020-08-19 06:06:43,233 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-19 06:06:43,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-19 06:06:43,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-19 06:06:43,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-19 06:06:43,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-19 06:06:43,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-19 06:06:43,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-19 06:06:43,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-19 06:06:43,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-19 06:06:43,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-19 06:06:43,300 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-19 06:06:43,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 06:06:43,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 06:06:43,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 06:06:43,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 06:06:43,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 06:06:43,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 06:06:43,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 06:06:43,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 06:06:43,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 06:06:43,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 06:06:43,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 06:06:43,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 06:06:43,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-19 06:06:43,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 06:06:43,354 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 06:06:43,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 06:06:43,357 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 [2020-08-19 06:06:43,396 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 06:06:43,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 06:06:43,399 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 06:06:43,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 06:06:43,400 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 06:06:43,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 06:06:43,400 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 06:06:43,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 06:06:43,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 06:06:43,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 06:06:43,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 06:06:43,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 06:06:43,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 06:06:43,403 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 06:06:43,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 06:06:43,403 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 06:06:43,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 06:06:43,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 06:06:43,404 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 06:06:43,404 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 06:06:43,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 06:06:43,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 06:06:43,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 06:06:43,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 06:06:43,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 06:06:43,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 06:06:43,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 06:06:43,406 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 06:06:43,406 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 06:06:43,406 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=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4; [2020-08-19 06:06:43,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 06:06:43,744 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 06:06:43,747 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 06:06:43,749 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 06:06:43,749 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 06:06:43,750 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-C-DAC/pthread-finding-k-matches.i [2020-08-19 06:06:43,823 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a8930fa5b/75fd9d5985e94e0cacd748b871a2b895/FLAGfb764620e [2020-08-19 06:06:44,440 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 06:06:44,440 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-C-DAC/pthread-finding-k-matches.i [2020-08-19 06:06:44,459 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a8930fa5b/75fd9d5985e94e0cacd748b871a2b895/FLAGfb764620e [2020-08-19 06:06:44,686 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a8930fa5b/75fd9d5985e94e0cacd748b871a2b895 [2020-08-19 06:06:44,694 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 06:06:44,695 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 06:06:44,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 06:06:44,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 06:06:44,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 06:06:44,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 06:06:44" (1/1) ... [2020-08-19 06:06:44,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b9f27fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:06:44, skipping insertion in model container [2020-08-19 06:06:44,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 06:06:44" (1/1) ... [2020-08-19 06:06:44,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 06:06:44,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 06:06:45,464 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: pthread_attr_init [2020-08-19 06:06:45,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3241df39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:06:45, skipping insertion in model container [2020-08-19 06:06:45,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 06:06:45,466 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-08-19 06:06:45,471 INFO L168 Benchmark]: Toolchain (without parser) took 773.52 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 97.5 MB in the beginning and 176.1 MB in the end (delta: -78.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2020-08-19 06:06:45,472 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-19 06:06:45,474 INFO L168 Benchmark]: CACSL2BoogieTranslator took 769.74 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 97.3 MB in the beginning and 176.1 MB in the end (delta: -78.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2020-08-19 06:06:45,479 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 769.74 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 97.3 MB in the beginning and 176.1 MB in the end (delta: -78.8 MB). Peak memory consumption was 23.0 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...