./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/reducercommutativity/avg20-2.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/reducercommutativity/avg20-2.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 f5e81652b9257047806afb0da3b85390243a03ff ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/avg20-2.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 f5e81652b9257047806afb0da3b85390243a03ff ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:16:18,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:16:18,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:16:18,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:16:18,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:16:18,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:16:18,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:16:18,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:16:18,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:16:18,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:16:18,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:16:18,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:16:18,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:16:18,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:16:18,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:16:18,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:16:18,784 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:16:18,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:16:18,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:16:18,803 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:16:18,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:16:18,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:16:18,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:16:18,824 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:16:18,831 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:16:18,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:16:18,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:16:18,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:16:18,838 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:16:18,840 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:16:18,842 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:16:18,843 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:16:18,847 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:16:18,849 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:16:18,850 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:16:18,852 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:16:18,853 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:16:18,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:16:18,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:16:18,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:16:18,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:16:18,862 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:16:18,904 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:16:18,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:16:18,910 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:16:18,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:16:18,914 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:16:18,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:16:18,915 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:16:18,915 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:16:18,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:16:18,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:16:18,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:16:18,918 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:16:18,918 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:16:18,921 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:16:18,922 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:16:18,922 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:16:18,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:16:18,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:16:18,923 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:16:18,923 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:16:18,923 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:16:18,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:16:18,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:16:18,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:16:18,927 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:16:18,927 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:16:18,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:16:18,927 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:16:18,928 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 -> f5e81652b9257047806afb0da3b85390243a03ff [2019-11-27 09:16:19,536 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:16:19,564 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:16:19,568 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:16:19,574 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:16:19,576 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:16:19,577 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/avg20-2.i [2019-11-27 09:16:19,740 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6487566d8/da82da104d7e4d02bc41d55c190994cc/FLAGfb7ee96d0 [2019-11-27 09:16:20,742 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:16:20,746 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/avg20-2.i [2019-11-27 09:16:20,759 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6487566d8/da82da104d7e4d02bc41d55c190994cc/FLAGfb7ee96d0 [2019-11-27 09:16:20,930 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6487566d8/da82da104d7e4d02bc41d55c190994cc [2019-11-27 09:16:20,940 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:16:20,942 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:16:20,948 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:16:20,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:16:20,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:16:20,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:16:20" (1/1) ... [2019-11-27 09:16:20,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58038550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:20, skipping insertion in model container [2019-11-27 09:16:20,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:16:20" (1/1) ... [2019-11-27 09:16:20,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:16:21,041 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:16:21,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:16:21,593 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:16:21,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:16:21,766 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:16:21,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:21 WrapperNode [2019-11-27 09:16:21,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:16:21,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:16:21,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:16:21,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:16:21,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:21" (1/1) ... [2019-11-27 09:16:21,829 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:21" (1/1) ... [2019-11-27 09:16:21,888 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:16:21,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:16:21,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:16:21,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:16:21,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:21" (1/1) ... [2019-11-27 09:16:21,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:21" (1/1) ... [2019-11-27 09:16:21,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:21" (1/1) ... [2019-11-27 09:16:21,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:21" (1/1) ... [2019-11-27 09:16:21,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:21" (1/1) ... [2019-11-27 09:16:21,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:21" (1/1) ... [2019-11-27 09:16:21,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:21" (1/1) ... [2019-11-27 09:16:21,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:16:21,991 INFO L168 Benchmark]: Toolchain (without parser) took 1029.18 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.1 MB in the end (delta: -25.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:16:21,992 INFO L168 Benchmark]: CDTParser took 1.47 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. [2019-11-27 09:16:21,997 INFO L168 Benchmark]: CACSL2BoogieTranslator took 822.83 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 996.9 MB in the end (delta: -30.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:16:22,003 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.79 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 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. [2019-11-27 09:16:22,004 INFO L168 Benchmark]: Boogie Preprocessor took 78.32 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. [2019-11-27 09:16:22,016 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.47 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 822.83 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 996.9 MB in the end (delta: -30.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 118.79 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 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 78.32 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-da95e15 [2019-11-27 09:16:25,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:16:25,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:16:25,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:16:25,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:16:25,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:16:25,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:16:25,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:16:25,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:16:25,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:16:25,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:16:25,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:16:25,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:16:25,982 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:16:25,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:16:25,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:16:25,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:16:25,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:16:25,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:16:26,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:16:26,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:16:26,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:16:26,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:16:26,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:16:26,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:16:26,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:16:26,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:16:26,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:16:26,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:16:26,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:16:26,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:16:26,039 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:16:26,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:16:26,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:16:26,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:16:26,048 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:16:26,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:16:26,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:16:26,052 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:16:26,053 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:16:26,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:16:26,059 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:16:26,111 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:16:26,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:16:26,118 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:16:26,125 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:16:26,125 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:16:26,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:16:26,126 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:16:26,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:16:26,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:16:26,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:16:26,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:16:26,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:16:26,129 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:16:26,129 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:16:26,130 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:16:26,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:16:26,131 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:16:26,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:16:26,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:16:26,134 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:16:26,134 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:16:26,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:16:26,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:16:26,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:16:26,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:16:26,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:16:26,139 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:16:26,139 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:16:26,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:16:26,141 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:16:26,142 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 -> f5e81652b9257047806afb0da3b85390243a03ff [2019-11-27 09:16:26,694 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:16:26,726 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:16:26,734 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:16:26,739 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:16:26,743 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:16:26,745 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/avg20-2.i [2019-11-27 09:16:26,907 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83f58faf4/2fd4d29282fe40778273603085377ac5/FLAG2a6352815 [2019-11-27 09:16:27,972 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:16:27,973 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/avg20-2.i [2019-11-27 09:16:27,989 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83f58faf4/2fd4d29282fe40778273603085377ac5/FLAG2a6352815 [2019-11-27 09:16:28,027 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83f58faf4/2fd4d29282fe40778273603085377ac5 [2019-11-27 09:16:28,035 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:16:28,041 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:16:28,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:16:28,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:16:28,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:16:28,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:16:28" (1/1) ... [2019-11-27 09:16:28,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4437ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:28, skipping insertion in model container [2019-11-27 09:16:28,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:16:28" (1/1) ... [2019-11-27 09:16:28,083 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:16:28,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:16:28,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:16:28,634 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:16:28,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:16:28,845 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:16:28,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:28 WrapperNode [2019-11-27 09:16:28,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:16:28,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:16:28,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:16:28,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:16:28,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:28" (1/1) ... [2019-11-27 09:16:28,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:28" (1/1) ... [2019-11-27 09:16:28,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:16:28,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:16:28,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:16:28,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:16:28,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:28" (1/1) ... [2019-11-27 09:16:28,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:28" (1/1) ... [2019-11-27 09:16:28,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:28" (1/1) ... [2019-11-27 09:16:28,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:28" (1/1) ... [2019-11-27 09:16:29,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:28" (1/1) ... [2019-11-27 09:16:29,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:28" (1/1) ... [2019-11-27 09:16:29,048 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:28" (1/1) ... [2019-11-27 09:16:29,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:16:29,070 INFO L168 Benchmark]: Toolchain (without parser) took 1024.02 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 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:16:29,071 INFO L168 Benchmark]: CDTParser took 0.35 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 09:16:29,073 INFO L168 Benchmark]: CACSL2BoogieTranslator took 803.51 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 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:16:29,078 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.90 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:16:29,080 INFO L168 Benchmark]: Boogie Preprocessor took 111.65 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:16:29,099 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 803.51 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 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 95.90 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 111.65 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 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...