./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/reducercommutativity/max20-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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/max20-1.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 67d74bcd4ddf537770c7e039af1f9d86f962eaff ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/max20-1.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 67d74bcd4ddf537770c7e039af1f9d86f962eaff ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 15:38:08,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:38:08,593 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:38:08,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:38:08,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:38:08,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:38:08,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:38:08,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:38:08,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:38:08,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:38:08,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:38:08,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:38:08,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:38:08,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:38:08,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:38:08,692 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:38:08,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:38:08,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:38:08,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:38:08,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:38:08,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:38:08,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:38:08,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:38:08,737 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:38:08,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:38:08,745 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:38:08,745 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:38:08,747 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:38:08,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:38:08,753 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:38:08,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:38:08,754 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:38:08,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:38:08,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:38:08,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:38:08,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:38:08,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:38:08,767 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:38:08,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:38:08,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:38:08,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:38:08,777 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:38:08,823 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:38:08,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:38:08,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:38:08,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:38:08,834 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:38:08,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:38:08,835 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:38:08,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:38:08,837 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:38:08,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:38:08,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:38:08,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:38:08,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:38:08,843 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:38:08,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:38:08,845 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:38:08,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:38:08,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:38:08,848 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:38:08,848 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:38:08,849 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:38:08,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:38:08,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:38:08,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:38:08,853 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:38:08,853 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:38:08,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:38:08,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:38:08,855 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 -> 67d74bcd4ddf537770c7e039af1f9d86f962eaff [2019-11-27 15:38:09,428 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:38:09,460 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:38:09,468 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:38:09,472 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:38:09,473 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:38:09,475 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/max20-1.i [2019-11-27 15:38:09,642 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16ed6d10b/8b6223d9f2ac4f719d22176c1bd60b62/FLAGf34cb7b00 [2019-11-27 15:38:10,776 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:38:10,781 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/max20-1.i [2019-11-27 15:38:10,798 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16ed6d10b/8b6223d9f2ac4f719d22176c1bd60b62/FLAGf34cb7b00 [2019-11-27 15:38:10,841 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16ed6d10b/8b6223d9f2ac4f719d22176c1bd60b62 [2019-11-27 15:38:10,853 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:38:10,856 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:38:10,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:10,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:38:10,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:38:10,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:10" (1/1) ... [2019-11-27 15:38:10,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e4d0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:10, skipping insertion in model container [2019-11-27 15:38:10,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:10" (1/1) ... [2019-11-27 15:38:10,902 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:38:10,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:38:11,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:11,500 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:38:11,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:11,702 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:38:11,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:11 WrapperNode [2019-11-27 15:38:11,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:11,708 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:11,710 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:38:11,710 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:38:11,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:11" (1/1) ... [2019-11-27 15:38:11,767 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:11" (1/1) ... [2019-11-27 15:38:11,821 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:11,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:38:11,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:38:11,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:38:11,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:11" (1/1) ... [2019-11-27 15:38:11,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:11" (1/1) ... [2019-11-27 15:38:11,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:11" (1/1) ... [2019-11-27 15:38:11,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:11" (1/1) ... [2019-11-27 15:38:11,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:11" (1/1) ... [2019-11-27 15:38:11,895 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:11" (1/1) ... [2019-11-27 15:38:11,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:11" (1/1) ... [2019-11-27 15:38:11,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:38:11,914 INFO L168 Benchmark]: Toolchain (without parser) took 1054.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 989.7 MB in the end (delta: -28.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:38:11,925 INFO L168 Benchmark]: CDTParser took 4.00 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 15:38:11,934 INFO L168 Benchmark]: CACSL2BoogieTranslator took 845.26 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. [2019-11-27 15:38:11,940 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.12 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. [2019-11-27 15:38:11,942 INFO L168 Benchmark]: Boogie Preprocessor took 83.23 ms. Allocated memory is still 1.0 GB. Free memory was 991.1 MB in the beginning and 989.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-27 15:38:11,955 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.00 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 845.26 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 115.12 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 83.23 ms. Allocated memory is still 1.0 GB. Free memory was 991.1 MB in the beginning and 989.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 15:38:15,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:38:15,892 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:38:15,930 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:38:15,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:38:15,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:38:15,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:38:15,958 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:38:15,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:38:15,967 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:38:15,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:38:15,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:38:15,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:38:15,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:38:15,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:38:15,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:38:15,998 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:38:16,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:38:16,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:38:16,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:38:16,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:38:16,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:38:16,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:38:16,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:38:16,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:38:16,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:38:16,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:38:16,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:38:16,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:38:16,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:38:16,061 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:38:16,065 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:38:16,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:38:16,075 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:38:16,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:38:16,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:38:16,085 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:38:16,085 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:38:16,086 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:38:16,087 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:38:16,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:38:16,095 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:38:16,140 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:38:16,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:38:16,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:38:16,147 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:38:16,147 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:38:16,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:38:16,148 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:38:16,148 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:38:16,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:38:16,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:38:16,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:38:16,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:38:16,153 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:38:16,153 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:38:16,154 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:38:16,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:38:16,156 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:38:16,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:38:16,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:38:16,157 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:38:16,158 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:38:16,158 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:38:16,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:38:16,161 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:38:16,162 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:38:16,162 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:38:16,162 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:38:16,163 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:38:16,163 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:38:16,163 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:38:16,164 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 -> 67d74bcd4ddf537770c7e039af1f9d86f962eaff [2019-11-27 15:38:16,782 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:38:16,811 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:38:16,821 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:38:16,823 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:38:16,827 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:38:16,829 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/max20-1.i [2019-11-27 15:38:16,993 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa4eccb58/0b7e003b1fee4e48b5a8a8ec0fc9f1df/FLAGa0fe21859 [2019-11-27 15:38:18,118 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:38:18,119 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/max20-1.i [2019-11-27 15:38:18,136 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa4eccb58/0b7e003b1fee4e48b5a8a8ec0fc9f1df/FLAGa0fe21859 [2019-11-27 15:38:18,179 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa4eccb58/0b7e003b1fee4e48b5a8a8ec0fc9f1df [2019-11-27 15:38:18,190 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:38:18,196 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:38:18,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:18,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:38:18,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:38:18,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:18" (1/1) ... [2019-11-27 15:38:18,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48265ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:18, skipping insertion in model container [2019-11-27 15:38:18,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:18" (1/1) ... [2019-11-27 15:38:18,246 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:38:18,297 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:38:18,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:18,854 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:38:18,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:19,093 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:38:19,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:19 WrapperNode [2019-11-27 15:38:19,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:19,099 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:19,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:38:19,101 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:38:19,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:19" (1/1) ... [2019-11-27 15:38:19,153 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:19" (1/1) ... [2019-11-27 15:38:19,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:19,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:38:19,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:38:19,243 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:38:19,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:19" (1/1) ... [2019-11-27 15:38:19,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:19" (1/1) ... [2019-11-27 15:38:19,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:19" (1/1) ... [2019-11-27 15:38:19,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:19" (1/1) ... [2019-11-27 15:38:19,330 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:19" (1/1) ... [2019-11-27 15:38:19,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:19" (1/1) ... [2019-11-27 15:38:19,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:19" (1/1) ... [2019-11-27 15:38:19,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:38:19,369 INFO L168 Benchmark]: Toolchain (without parser) took 1169.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 985.4 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:38:19,374 INFO L168 Benchmark]: CDTParser took 0.32 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. [2019-11-27 15:38:19,375 INFO L168 Benchmark]: CACSL2BoogieTranslator took 897.08 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. [2019-11-27 15:38:19,380 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.63 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. [2019-11-27 15:38:19,386 INFO L168 Benchmark]: Boogie Preprocessor took 119.75 ms. Allocated memory is still 1.0 GB. Free memory was 991.1 MB in the beginning and 985.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:38:19,396 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 897.08 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 143.63 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 119.75 ms. Allocated memory is still 1.0 GB. Free memory was 991.1 MB in the beginning and 985.4 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...