./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b3649315ecd70b5d3a1742f49b741e6f835f6f75 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b3649315ecd70b5d3a1742f49b741e6f835f6f75 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:22:52,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:22:52,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:22:52,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:22:52,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:22:52,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:22:52,668 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:22:52,687 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:22:52,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:22:52,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:22:52,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:22:52,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:22:52,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:22:52,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:22:52,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:22:52,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:22:52,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:22:52,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:22:52,730 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:22:52,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:22:52,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:22:52,753 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:22:52,758 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:22:52,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:22:52,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:22:52,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:22:52,771 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:22:52,776 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:22:52,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:22:52,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:22:52,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:22:52,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:22:52,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:22:52,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:22:52,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:22:52,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:22:52,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:22:52,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:22:52,794 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:22:52,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:22:52,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:22:52,803 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 23:22:52,842 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:22:52,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:22:52,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:22:52,851 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:22:52,851 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:22:52,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:22:52,852 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:22:52,852 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 23:22:52,853 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:22:52,853 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:22:52,854 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:22:52,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:22:52,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:22:52,859 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:22:52,859 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:22:52,860 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:22:52,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:22:52,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:22:52,861 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:22:52,861 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:22:52,863 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:22:52,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:22:52,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:22:52,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:22:52,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:22:52,866 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 23:22:52,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 23:22:52,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:22:52,867 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 ! call(__VERIFIER_error())) ) 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 -> b3649315ecd70b5d3a1742f49b741e6f835f6f75 [2019-11-25 23:22:53,393 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:22:53,423 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:22:53,427 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:22:53,434 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:22:53,434 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:22:53,435 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2019-11-25 23:22:53,592 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72a1f2a3a/76e232f40e4d4f1a9caa170e03b561de/FLAG3f6ed62bf [2019-11-25 23:22:54,909 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:22:54,914 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2019-11-25 23:22:54,963 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72a1f2a3a/76e232f40e4d4f1a9caa170e03b561de/FLAG3f6ed62bf [2019-11-25 23:22:54,990 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72a1f2a3a/76e232f40e4d4f1a9caa170e03b561de [2019-11-25 23:22:54,998 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:22:55,000 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:22:55,014 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:22:55,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:22:55,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:22:55,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:22:54" (1/1) ... [2019-11-25 23:22:55,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9523cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:22:55, skipping insertion in model container [2019-11-25 23:22:55,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:22:54" (1/1) ... [2019-11-25 23:22:55,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:22:55,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:22:56,867 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: pthread_attr_init [2019-11-25 23:22:56,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@65f79aae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:22:56, skipping insertion in model container [2019-11-25 23:22:56,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:22:56,873 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-25 23:22:56,882 INFO L168 Benchmark]: Toolchain (without parser) took 1875.62 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 989.3 MB in the end (delta: -27.6 MB). Peak memory consumption was 26.9 MB. Max. memory is 12.5 GB. [2019-11-25 23:22:56,887 INFO L168 Benchmark]: CDTParser took 2.44 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. [2019-11-25 23:22:56,889 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1859.34 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 989.3 MB in the end (delta: -27.6 MB). Peak memory consumption was 26.9 MB. Max. memory is 12.5 GB. [2019-11-25 23:22:56,895 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.44 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 1859.34 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 989.3 MB in the end (delta: -27.6 MB). Peak memory consumption was 26.9 MB. Max. memory is 12.5 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... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:23:00,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:23:00,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:23:00,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:23:00,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:23:00,798 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:23:00,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:23:00,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:23:00,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:23:00,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:23:00,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:23:00,835 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:23:00,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:23:00,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:23:00,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:23:00,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:23:00,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:23:00,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:23:00,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:23:00,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:23:00,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:23:00,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:23:00,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:23:00,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:23:00,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:23:00,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:23:00,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:23:00,904 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:23:00,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:23:00,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:23:00,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:23:00,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:23:00,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:23:00,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:23:00,915 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:23:00,915 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:23:00,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:23:00,918 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:23:00,919 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:23:00,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:23:00,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:23:00,927 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 23:23:00,964 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:23:00,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:23:00,970 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:23:00,972 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:23:00,972 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:23:00,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:23:00,973 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:23:00,973 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:23:00,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:23:00,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:23:00,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:23:00,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:23:00,977 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 23:23:00,980 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 23:23:00,980 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:23:00,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:23:00,981 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:23:00,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:23:00,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:23:00,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:23:00,982 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:23:00,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:23:00,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:23:00,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:23:00,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:23:00,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:23:00,986 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 23:23:00,986 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 23:23:00,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:23:00,988 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 23:23:00,989 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 ! call(__VERIFIER_error())) ) 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 -> b3649315ecd70b5d3a1742f49b741e6f835f6f75 [2019-11-25 23:23:01,546 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:23:01,576 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:23:01,585 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:23:01,588 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:23:01,591 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:23:01,593 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2019-11-25 23:23:01,744 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b8628e35/3ef00e5c994e49e0be2359ec02a92cce/FLAGca5807997 [2019-11-25 23:23:03,041 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:23:03,044 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2019-11-25 23:23:03,091 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b8628e35/3ef00e5c994e49e0be2359ec02a92cce/FLAGca5807997 [2019-11-25 23:23:03,541 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b8628e35/3ef00e5c994e49e0be2359ec02a92cce [2019-11-25 23:23:03,551 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:23:03,554 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:23:03,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:23:03,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:23:03,572 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:23:03,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:23:03" (1/1) ... [2019-11-25 23:23:03,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f4776d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:03, skipping insertion in model container [2019-11-25 23:23:03,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:23:03" (1/1) ... [2019-11-25 23:23:03,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:23:03,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:23:05,246 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: pthread_attr_init [2019-11-25 23:23:05,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@79352ed0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:05, skipping insertion in model container [2019-11-25 23:23:05,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:23:05,251 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-25 23:23:05,256 INFO L168 Benchmark]: Toolchain (without parser) took 1699.74 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 985.0 MB in the end (delta: -23.3 MB). Peak memory consumption was 26.9 MB. Max. memory is 12.5 GB. [2019-11-25 23:23:05,260 INFO L168 Benchmark]: CDTParser took 0.34 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. [2019-11-25 23:23:05,263 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1685.84 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 985.0 MB in the end (delta: -23.3 MB). Peak memory consumption was 26.9 MB. Max. memory is 12.5 GB. [2019-11-25 23:23:05,269 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 1685.84 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 985.0 MB in the end (delta: -23.3 MB). Peak memory consumption was 26.9 MB. Max. memory is 12.5 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...