./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/reducercommutativity/sep60-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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/reducercommutativity/sep60-2.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 2f5db660924a8002a872534ed9d676d1628fcfa8 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/reducercommutativity/sep60-2.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 2f5db660924a8002a872534ed9d676d1628fcfa8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:29:36,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:29:36,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:29:36,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:29:36,656 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:29:36,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:29:36,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:29:36,680 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:29:36,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:29:36,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:29:36,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:29:36,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:29:36,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:29:36,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:29:36,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:29:36,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:29:36,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:29:36,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:29:36,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:29:36,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:29:36,734 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:29:36,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:29:36,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:29:36,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:29:36,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:29:36,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:29:36,759 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:29:36,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:29:36,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:29:36,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:29:36,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:29:36,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:29:36,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:29:36,772 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:29:36,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:29:36,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:29:36,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:29:36,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:29:36,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:29:36,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:29:36,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:29:36,787 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:29:36,843 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:29:36,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:29:36,850 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:29:36,855 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:29:36,855 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:29:36,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:29:36,858 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:29:36,858 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:29:36,858 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:29:36,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:29:36,859 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:29:36,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:29:36,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:29:36,860 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:29:36,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:29:36,863 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:29:36,863 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:29:36,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:29:36,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:29:36,864 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:29:36,865 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:29:36,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:29:36,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:29:36,866 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:29:36,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:29:36,869 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:29:36,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:29:36,870 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:29:36,871 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 -> 2f5db660924a8002a872534ed9d676d1628fcfa8 [2019-11-26 16:29:37,427 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:29:37,455 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:29:37,463 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:29:37,468 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:29:37,469 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:29:37,471 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/sep60-2.i [2019-11-26 16:29:37,642 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/862bf45be/60cd70b6e3bf43f296013fda000a8bf7/FLAG1bfe7ce0e [2019-11-26 16:29:38,748 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:29:38,749 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/sep60-2.i [2019-11-26 16:29:38,765 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/862bf45be/60cd70b6e3bf43f296013fda000a8bf7/FLAG1bfe7ce0e [2019-11-26 16:29:38,806 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/862bf45be/60cd70b6e3bf43f296013fda000a8bf7 [2019-11-26 16:29:38,814 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:29:38,819 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:29:38,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:29:38,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:29:38,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:29:38,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:29:38" (1/1) ... [2019-11-26 16:29:38,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2649282b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:38, skipping insertion in model container [2019-11-26 16:29:38,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:29:38" (1/1) ... [2019-11-26 16:29:38,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:29:38,909 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:29:39,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:29:39,404 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:29:39,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:29:39,599 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:29:39,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:39 WrapperNode [2019-11-26 16:29:39,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:29:39,603 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:29:39,603 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:29:39,603 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:29:39,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:39" (1/1) ... [2019-11-26 16:29:39,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:39" (1/1) ... [2019-11-26 16:29:39,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:29:39,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:29:39,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:29:39,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:29:39,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:39" (1/1) ... [2019-11-26 16:29:39,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:39" (1/1) ... [2019-11-26 16:29:39,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:39" (1/1) ... [2019-11-26 16:29:39,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:39" (1/1) ... [2019-11-26 16:29:39,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:39" (1/1) ... [2019-11-26 16:29:39,806 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:39" (1/1) ... [2019-11-26 16:29:39,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:39" (1/1) ... [2019-11-26 16:29:39,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:29:39,823 INFO L168 Benchmark]: Toolchain (without parser) took 1002.43 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 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:29:39,826 INFO L168 Benchmark]: CDTParser took 3.32 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. [2019-11-26 16:29:39,840 INFO L168 Benchmark]: CACSL2BoogieTranslator took 779.29 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 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 16:29:39,846 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.83 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:29:39,850 INFO L168 Benchmark]: Boogie Preprocessor took 87.24 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:29:39,860 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.32 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 779.29 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 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 127.83 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 87.24 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. 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 0.1.24-025d5a2 [2019-11-26 16:29:43,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:29:43,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:29:43,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:29:43,647 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:29:43,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:29:43,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:29:43,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:29:43,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:29:43,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:29:43,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:29:43,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:29:43,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:29:43,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:29:43,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:29:43,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:29:43,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:29:43,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:29:43,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:29:43,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:29:43,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:29:43,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:29:43,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:29:43,755 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:29:43,762 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:29:43,762 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:29:43,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:29:43,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:29:43,768 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:29:43,769 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:29:43,770 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:29:43,771 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:29:43,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:29:43,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:29:43,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:29:43,781 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:29:43,784 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:29:43,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:29:43,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:29:43,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:29:43,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:29:43,792 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:29:43,833 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:29:43,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:29:43,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:29:43,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:29:43,841 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:29:43,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:29:43,842 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:29:43,842 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:29:43,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:29:43,844 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:29:43,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:29:43,846 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:29:43,849 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:29:43,849 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:29:43,850 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:29:43,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:29:43,850 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:29:43,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:29:43,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:29:43,852 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:29:43,854 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:29:43,854 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:29:43,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:29:43,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:29:43,855 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:29:43,856 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:29:43,856 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:29:43,857 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:29:43,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:29:43,860 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:29:43,862 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 -> 2f5db660924a8002a872534ed9d676d1628fcfa8 [2019-11-26 16:29:44,460 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:29:44,489 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:29:44,496 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:29:44,499 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:29:44,502 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:29:44,504 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/sep60-2.i [2019-11-26 16:29:44,653 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/081c59eb3/1a35928f67214c6a898a244a647eadaf/FLAGcd81e67b7 [2019-11-26 16:29:45,685 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:29:45,686 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/sep60-2.i [2019-11-26 16:29:45,701 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/081c59eb3/1a35928f67214c6a898a244a647eadaf/FLAGcd81e67b7 [2019-11-26 16:29:45,740 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/081c59eb3/1a35928f67214c6a898a244a647eadaf [2019-11-26 16:29:45,747 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:29:45,755 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:29:45,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:29:45,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:29:45,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:29:45,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:29:45" (1/1) ... [2019-11-26 16:29:45,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2649282b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:45, skipping insertion in model container [2019-11-26 16:29:45,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:29:45" (1/1) ... [2019-11-26 16:29:45,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:29:45,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:29:46,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:29:46,326 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:29:46,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:29:46,532 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:29:46,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:46 WrapperNode [2019-11-26 16:29:46,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:29:46,538 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:29:46,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:29:46,539 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:29:46,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:46" (1/1) ... [2019-11-26 16:29:46,578 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:46" (1/1) ... [2019-11-26 16:29:46,632 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:29:46,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:29:46,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:29:46,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:29:46,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:46" (1/1) ... [2019-11-26 16:29:46,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:46" (1/1) ... [2019-11-26 16:29:46,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:46" (1/1) ... [2019-11-26 16:29:46,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:46" (1/1) ... [2019-11-26 16:29:46,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:46" (1/1) ... [2019-11-26 16:29:46,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:46" (1/1) ... [2019-11-26 16:29:46,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:29:46" (1/1) ... [2019-11-26 16:29:46,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:29:46,756 INFO L168 Benchmark]: Toolchain (without parser) took 996.98 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.1 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:29:46,757 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:29:46,761 INFO L168 Benchmark]: CACSL2BoogieTranslator took 779.92 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 16:29:46,763 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.91 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:29:46,764 INFO L168 Benchmark]: Boogie Preprocessor took 108.10 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:29:46,772 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 779.92 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 94.91 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 108.10 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...