./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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-complex/workstealqueue_mutex-2.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 25e3c208540a6e43f30bad444471941eba7b6402 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-complex/workstealqueue_mutex-2.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 25e3c208540a6e43f30bad444471941eba7b6402 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 10:17:34,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:17:34,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:17:34,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:17:34,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:17:34,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:17:34,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:17:34,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:17:34,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:17:34,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:17:34,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:17:34,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:17:34,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:17:34,837 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:17:34,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:17:34,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:17:34,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:17:34,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:17:34,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:17:34,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:17:34,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:17:34,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:17:34,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:17:34,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:17:34,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:17:34,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:17:34,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:17:34,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:17:34,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:17:34,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:17:34,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:17:34,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:17:34,916 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:17:34,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:17:34,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:17:34,920 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:17:34,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:17:34,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:17:34,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:17:34,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:17:34,933 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:17:34,934 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:17:34,976 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:17:34,980 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:17:34,983 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:17:34,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:17:34,984 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:17:34,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:17:34,987 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:17:34,987 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:17:34,988 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:17:34,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:17:34,989 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:17:34,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:17:34,990 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:17:34,991 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:17:34,991 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:17:34,994 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:17:34,994 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:17:34,994 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:17:34,995 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:17:34,995 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:17:34,995 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:17:34,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:17:34,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:17:34,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:17:34,997 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:17:35,001 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:17:35,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:17:35,002 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:17:35,002 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 -> 25e3c208540a6e43f30bad444471941eba7b6402 [2019-11-27 10:17:35,634 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:17:35,667 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:17:35,676 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:17:35,678 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:17:35,678 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:17:35,682 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2019-11-27 10:17:35,857 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10e629ee6/b151440dbd784015833dea3cbba21874/FLAGfa0ee746f [2019-11-27 10:17:37,288 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:17:37,292 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2019-11-27 10:17:37,352 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10e629ee6/b151440dbd784015833dea3cbba21874/FLAGfa0ee746f [2019-11-27 10:17:37,393 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10e629ee6/b151440dbd784015833dea3cbba21874 [2019-11-27 10:17:37,401 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:17:37,404 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:17:37,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:17:37,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:17:37,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:17:37,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:17:37" (1/1) ... [2019-11-27 10:17:37,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e74b162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:17:37, skipping insertion in model container [2019-11-27 10:17:37,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:17:37" (1/1) ... [2019-11-27 10:17:37,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:17:37,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:17:39,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:17:39,729 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:17:39,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:17:41,021 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:17:41,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:17:41 WrapperNode [2019-11-27 10:17:41,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:17:41,027 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:17:41,030 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:17:41,030 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:17:41,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:17:41" (1/1) ... [2019-11-27 10:17:41,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:17:41" (1/1) ... [2019-11-27 10:17:41,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:17:41,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:17:41,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:17:41,434 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:17:41,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:17:41" (1/1) ... [2019-11-27 10:17:41,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:17:41" (1/1) ... [2019-11-27 10:17:41,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:17:41" (1/1) ... [2019-11-27 10:17:41,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:17:41" (1/1) ... [2019-11-27 10:17:41,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:17:41" (1/1) ... [2019-11-27 10:17:41,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:17:41" (1/1) ... [2019-11-27 10:17:41,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:17:41" (1/1) ... [2019-11-27 10:17:41,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:17:41,840 INFO L168 Benchmark]: Toolchain (without parser) took 4429.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.9 MB in the beginning and 828.4 MB in the end (delta: 127.5 MB). Peak memory consumption was 127.6 MB. Max. memory is 12.5 GB. [2019-11-27 10:17:41,844 INFO L168 Benchmark]: CDTParser took 0.48 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. [2019-11-27 10:17:41,847 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3616.70 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.9 MB in the beginning and 845.6 MB in the end (delta: 110.3 MB). Peak memory consumption was 110.4 MB. Max. memory is 12.5 GB. [2019-11-27 10:17:41,853 INFO L168 Benchmark]: Boogie Procedure Inliner took 403.09 ms. Allocated memory is still 1.0 GB. Free memory was 845.6 MB in the beginning and 839.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:17:41,854 INFO L168 Benchmark]: Boogie Preprocessor took 401.12 ms. Allocated memory is still 1.0 GB. Free memory was 839.9 MB in the beginning and 828.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 10:17:41,865 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 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 3616.70 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.9 MB in the beginning and 845.6 MB in the end (delta: 110.3 MB). Peak memory consumption was 110.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 403.09 ms. Allocated memory is still 1.0 GB. Free memory was 845.6 MB in the beginning and 839.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 401.12 ms. Allocated memory is still 1.0 GB. Free memory was 839.9 MB in the beginning and 828.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. 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-da95e15 [2019-11-27 10:17:45,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:17:45,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:17:45,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:17:45,725 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:17:45,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:17:45,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:17:45,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:17:45,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:17:45,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:17:45,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:17:45,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:17:45,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:17:45,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:17:45,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:17:45,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:17:45,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:17:45,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:17:45,791 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:17:45,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:17:45,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:17:45,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:17:45,811 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:17:45,814 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:17:45,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:17:45,825 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:17:45,825 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:17:45,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:17:45,830 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:17:45,831 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:17:45,832 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:17:45,833 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:17:45,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:17:45,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:17:45,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:17:45,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:17:45,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:17:45,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:17:45,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:17:45,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:17:45,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:17:45,855 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:17:45,909 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:17:45,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:17:45,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:17:45,920 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:17:45,920 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:17:45,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:17:45,922 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:17:45,922 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:17:45,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:17:45,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:17:45,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:17:45,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:17:45,926 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:17:45,928 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:17:45,928 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:17:45,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:17:45,929 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:17:45,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:17:45,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:17:45,933 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:17:45,933 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:17:45,933 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:17:45,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:17:45,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:17:45,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:17:45,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:17:45,935 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:17:45,936 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:17:45,940 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:17:45,940 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:17:45,942 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 -> 25e3c208540a6e43f30bad444471941eba7b6402 [2019-11-27 10:17:46,454 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:17:46,495 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:17:46,499 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:17:46,507 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:17:46,509 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:17:46,511 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2019-11-27 10:17:46,644 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4aff5bbf2/085372f0c7ef42d7bd83e6b12e91e593/FLAGe40204770 [2019-11-27 10:17:48,069 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:17:48,070 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2019-11-27 10:17:48,122 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4aff5bbf2/085372f0c7ef42d7bd83e6b12e91e593/FLAGe40204770 [2019-11-27 10:17:48,433 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4aff5bbf2/085372f0c7ef42d7bd83e6b12e91e593 [2019-11-27 10:17:48,438 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:17:48,440 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:17:48,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:17:48,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:17:48,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:17:48,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:17:48" (1/1) ... [2019-11-27 10:17:48,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3edcc54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:17:48, skipping insertion in model container [2019-11-27 10:17:48,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:17:48" (1/1) ... [2019-11-27 10:17:48,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:17:48,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:17:50,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:17:50,797 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:17:51,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:17:52,136 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:17:52,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:17:52 WrapperNode [2019-11-27 10:17:52,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:17:52,141 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:17:52,142 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:17:52,144 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:17:52,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:17:52" (1/1) ... [2019-11-27 10:17:52,281 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:17:52" (1/1) ... [2019-11-27 10:17:52,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:17:52,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:17:52,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:17:52,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:17:52,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:17:52" (1/1) ... [2019-11-27 10:17:52,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:17:52" (1/1) ... [2019-11-27 10:17:52,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:17:52" (1/1) ... [2019-11-27 10:17:52,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:17:52" (1/1) ... [2019-11-27 10:17:52,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:17:52" (1/1) ... [2019-11-27 10:17:52,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:17:52" (1/1) ... [2019-11-27 10:17:52,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:17:52" (1/1) ... [2019-11-27 10:17:52,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:17:52,834 INFO L168 Benchmark]: Toolchain (without parser) took 4390.80 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.9 MB in the beginning and 824.1 MB in the end (delta: 131.8 MB). Peak memory consumption was 131.9 MB. Max. memory is 12.5 GB. [2019-11-27 10:17:52,835 INFO L168 Benchmark]: CDTParser took 1.14 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. [2019-11-27 10:17:52,840 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3684.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.9 MB in the beginning and 841.3 MB in the end (delta: 114.6 MB). Peak memory consumption was 114.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:17:52,844 INFO L168 Benchmark]: Boogie Procedure Inliner took 353.37 ms. Allocated memory is still 1.0 GB. Free memory was 841.3 MB in the beginning and 835.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:17:52,846 INFO L168 Benchmark]: Boogie Preprocessor took 332.71 ms. Allocated memory is still 1.0 GB. Free memory was 835.6 MB in the beginning and 824.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 10:17:52,860 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.14 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 3684.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.9 MB in the beginning and 841.3 MB in the end (delta: 114.6 MB). Peak memory consumption was 114.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 353.37 ms. Allocated memory is still 1.0 GB. Free memory was 841.3 MB in the beginning and 835.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 332.71 ms. Allocated memory is still 1.0 GB. Free memory was 835.6 MB in the beginning and 824.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...