./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/reducercommutativity/sep.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/reducercommutativity/sep.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 e150e83dea41703782a488455769a24bf6c8f600 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/sep.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 e150e83dea41703782a488455769a24bf6c8f600 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:21:22,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:21:22,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:21:22,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:21:22,971 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:21:22,974 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:21:22,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:21:23,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:21:23,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:21:23,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:21:23,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:21:23,020 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:21:23,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:21:23,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:21:23,032 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:21:23,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:21:23,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:21:23,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:21:23,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:21:23,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:21:23,064 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:21:23,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:21:23,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:21:23,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:21:23,085 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:21:23,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:21:23,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:21:23,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:21:23,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:21:23,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:21:23,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:21:23,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:21:23,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:21:23,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:21:23,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:21:23,104 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:21:23,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:21:23,108 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:21:23,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:21:23,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:21:23,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:21:23,115 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:21:23,158 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:21:23,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:21:23,161 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:21:23,161 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:21:23,163 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:21:23,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:21:23,163 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:21:23,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:21:23,164 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:21:23,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:21:23,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:21:23,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:21:23,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:21:23,169 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:21:23,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:21:23,171 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:21:23,171 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:21:23,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:21:23,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:21:23,172 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:21:23,172 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:21:23,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:21:23,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:21:23,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:21:23,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:21:23,176 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:21:23,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:21:23,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:21:23,178 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 -> e150e83dea41703782a488455769a24bf6c8f600 [2019-11-25 22:21:23,748 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:21:23,776 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:21:23,784 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:21:23,789 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:21:23,789 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:21:23,790 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/sep.i [2019-11-25 22:21:23,950 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf8e9a044/0c5ddadfc307426181c2414f8598e159/FLAG2b09550cb [2019-11-25 22:21:24,999 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:21:25,002 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/sep.i [2019-11-25 22:21:25,020 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf8e9a044/0c5ddadfc307426181c2414f8598e159/FLAG2b09550cb [2019-11-25 22:21:25,057 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf8e9a044/0c5ddadfc307426181c2414f8598e159 [2019-11-25 22:21:25,064 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:21:25,069 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:21:25,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:21:25,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:21:25,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:21:25,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:21:25" (1/1) ... [2019-11-25 22:21:25,092 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 25.11 10:21:25, skipping insertion in model container [2019-11-25 22:21:25,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:21:25" (1/1) ... [2019-11-25 22:21:25,114 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:21:25,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:21:25,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:21:25,681 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:21:25,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:21:25,885 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:21:25,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:25 WrapperNode [2019-11-25 22:21:25,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:21:25,889 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:21:25,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:21:25,889 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:21:25,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:25" (1/1) ... [2019-11-25 22:21:25,943 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:25" (1/1) ... [2019-11-25 22:21:25,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:21:25,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:21:26,003 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:21:26,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:21:26,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:25" (1/1) ... [2019-11-25 22:21:26,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:25" (1/1) ... [2019-11-25 22:21:26,018 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:25" (1/1) ... [2019-11-25 22:21:26,018 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:25" (1/1) ... [2019-11-25 22:21:26,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:25" (1/1) ... [2019-11-25 22:21:26,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:25" (1/1) ... [2019-11-25 22:21:26,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:25" (1/1) ... [2019-11-25 22:21:26,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:21:26,100 INFO L168 Benchmark]: Toolchain (without parser) took 1025.60 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. [2019-11-25 22:21:26,102 INFO L168 Benchmark]: CDTParser took 2.33 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. [2019-11-25 22:21:26,105 INFO L168 Benchmark]: CACSL2BoogieTranslator took 813.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 996.8 MB in the end (delta: -30.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-25 22:21:26,110 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.33 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. [2019-11-25 22:21:26,112 INFO L168 Benchmark]: Boogie Preprocessor took 94.16 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. [2019-11-25 22:21:26,124 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.33 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 813.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 996.8 MB in the end (delta: -30.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 109.33 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 94.16 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 0.1.24-65d6cd2 [2019-11-25 22:21:29,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:21:29,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:21:29,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:21:29,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:21:29,883 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:21:29,886 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:21:29,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:21:29,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:21:29,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:21:29,919 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:21:29,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:21:29,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:21:29,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:21:29,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:21:29,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:21:29,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:21:29,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:21:29,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:21:29,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:21:29,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:21:29,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:21:29,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:21:29,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:21:29,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:21:29,988 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:21:29,988 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:21:29,993 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:21:29,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:21:29,995 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:21:29,997 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:21:29,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:21:29,999 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:21:30,002 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:21:30,007 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:21:30,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:21:30,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:21:30,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:21:30,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:21:30,014 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:21:30,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:21:30,019 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:21:30,060 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:21:30,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:21:30,067 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:21:30,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:21:30,068 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:21:30,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:21:30,069 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:21:30,069 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:21:30,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:21:30,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:21:30,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:21:30,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:21:30,074 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:21:30,075 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:21:30,075 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:21:30,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:21:30,077 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:21:30,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:21:30,077 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:21:30,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:21:30,080 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:21:30,080 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:21:30,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:21:30,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:21:30,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:21:30,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:21:30,083 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:21:30,083 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:21:30,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:21:30,084 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:21:30,087 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 -> e150e83dea41703782a488455769a24bf6c8f600 [2019-11-25 22:21:30,772 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:21:30,803 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:21:30,810 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:21:30,815 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:21:30,818 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:21:30,820 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/sep.i [2019-11-25 22:21:30,976 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8408ee5c/023ddb7c10944a798113f317409fd022/FLAGd24333f92 [2019-11-25 22:21:32,011 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:21:32,012 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/sep.i [2019-11-25 22:21:32,030 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8408ee5c/023ddb7c10944a798113f317409fd022/FLAGd24333f92 [2019-11-25 22:21:32,066 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8408ee5c/023ddb7c10944a798113f317409fd022 [2019-11-25 22:21:32,078 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:21:32,080 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:21:32,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:21:32,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:21:32,093 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:21:32,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:21:32" (1/1) ... [2019-11-25 22:21:32,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fe53f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:32, skipping insertion in model container [2019-11-25 22:21:32,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:21:32" (1/1) ... [2019-11-25 22:21:32,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:21:32,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:21:32,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:21:32,691 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:21:32,772 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:21:32,905 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:21:32,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:32 WrapperNode [2019-11-25 22:21:32,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:21:32,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:21:32,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:21:32,913 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:21:32,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:32" (1/1) ... [2019-11-25 22:21:32,957 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:32" (1/1) ... [2019-11-25 22:21:33,014 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:21:33,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:21:33,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:21:33,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:21:33,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:32" (1/1) ... [2019-11-25 22:21:33,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:32" (1/1) ... [2019-11-25 22:21:33,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:32" (1/1) ... [2019-11-25 22:21:33,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:32" (1/1) ... [2019-11-25 22:21:33,074 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:32" (1/1) ... [2019-11-25 22:21:33,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:32" (1/1) ... [2019-11-25 22:21:33,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:21:32" (1/1) ... [2019-11-25 22:21:33,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:21:33,115 INFO L168 Benchmark]: Toolchain (without parser) took 1031.17 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. [2019-11-25 22:21:33,119 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:21:33,120 INFO L168 Benchmark]: CACSL2BoogieTranslator took 824.97 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. [2019-11-25 22:21:33,121 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.83 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. [2019-11-25 22:21:33,124 INFO L168 Benchmark]: Boogie Preprocessor took 90.80 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. [2019-11-25 22:21:33,135 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 824.97 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 102.83 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 90.80 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...