./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c --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/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c -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 0e605ef5f9edcb39572a100f30abe5b84d678dd1 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c -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 0e605ef5f9edcb39572a100f30abe5b84d678dd1 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:28:48,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:28:48,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:28:48,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:28:48,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:28:48,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:28:48,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:28:48,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:28:48,724 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:28:48,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:28:48,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:28:48,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:28:48,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:28:48,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:28:48,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:28:48,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:28:48,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:28:48,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:28:48,746 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:28:48,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:28:48,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:28:48,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:28:48,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:28:48,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:28:48,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:28:48,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:28:48,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:28:48,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:28:48,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:28:48,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:28:48,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:28:48,785 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:28:48,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:28:48,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:28:48,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:28:48,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:28:48,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:28:48,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:28:48,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:28:48,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:28:48,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:28:48,798 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:28:48,827 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:28:48,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:28:48,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:28:48,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:28:48,833 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:28:48,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:28:48,834 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:28:48,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:28:48,834 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:28:48,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:28:48,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:28:48,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:28:48,837 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:28:48,838 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:28:48,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:28:48,838 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:28:48,838 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:28:48,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:28:48,841 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:28:48,841 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:28:48,841 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:28:48,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:28:48,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:28:48,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:28:48,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:28:48,842 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:28:48,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:28:48,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:28:48,843 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 -> 0e605ef5f9edcb39572a100f30abe5b84d678dd1 [2019-11-27 16:28:49,332 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:28:49,352 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:28:49,356 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:28:49,360 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:28:49,360 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:28:49,363 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-11-27 16:28:49,468 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67285062e/9aaf6f3c54b44b44893417d4ddaaf3a4/FLAG695788367 [2019-11-27 16:28:50,330 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:28:50,333 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-11-27 16:28:50,356 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67285062e/9aaf6f3c54b44b44893417d4ddaaf3a4/FLAG695788367 [2019-11-27 16:28:50,508 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67285062e/9aaf6f3c54b44b44893417d4ddaaf3a4 [2019-11-27 16:28:50,515 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:28:50,517 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:28:50,518 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:28:50,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:28:50,527 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:28:50,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:28:50" (1/1) ... [2019-11-27 16:28:50,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7df2acde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:28:50, skipping insertion in model container [2019-11-27 16:28:50,531 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:28:50" (1/1) ... [2019-11-27 16:28:50,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:28:50,650 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:28:51,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:28:51,414 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:28:51,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:28:51,826 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:28:51,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:28:51 WrapperNode [2019-11-27 16:28:51,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:28:51,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:28:51,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:28:51,831 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:28:51,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:28:51" (1/1) ... [2019-11-27 16:28:51,890 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:28:51" (1/1) ... [2019-11-27 16:28:51,994 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:28:51,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:28:51,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:28:51,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:28:52,015 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:28:51" (1/1) ... [2019-11-27 16:28:52,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:28:51" (1/1) ... [2019-11-27 16:28:52,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:28:51" (1/1) ... [2019-11-27 16:28:52,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:28:51" (1/1) ... [2019-11-27 16:28:52,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:28:51" (1/1) ... [2019-11-27 16:28:52,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:28:51" (1/1) ... [2019-11-27 16:28:52,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:28:51" (1/1) ... [2019-11-27 16:28:52,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:28:52,131 INFO L168 Benchmark]: Toolchain (without parser) took 1609.88 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 960.7 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.8 MB. Max. memory is 12.5 GB. [2019-11-27 16:28:52,132 INFO L168 Benchmark]: CDTParser took 0.26 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 16:28:52,133 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1311.21 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.2 MB in the end (delta: -4.8 MB). Peak memory consumption was 26.9 MB. Max. memory is 12.5 GB. [2019-11-27 16:28:52,137 INFO L168 Benchmark]: Boogie Procedure Inliner took 165.51 ms. Allocated memory is still 1.0 GB. Free memory was 972.2 MB in the beginning and 966.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:28:52,139 INFO L168 Benchmark]: Boogie Preprocessor took 129.51 ms. Allocated memory is still 1.0 GB. Free memory was 966.5 MB in the beginning and 960.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:28:52,146 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 1311.21 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.2 MB in the end (delta: -4.8 MB). Peak memory consumption was 26.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 165.51 ms. Allocated memory is still 1.0 GB. Free memory was 972.2 MB in the beginning and 966.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 129.51 ms. Allocated memory is still 1.0 GB. Free memory was 966.5 MB in the beginning and 960.7 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:28:54,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:28:54,890 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:28:54,918 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:28:54,918 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:28:54,920 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:28:54,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:28:54,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:28:54,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:28:54,947 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:28:54,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:28:54,955 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:28:54,955 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:28:54,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:28:54,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:28:54,961 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:28:54,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:28:54,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:28:54,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:28:54,974 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:28:54,980 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:28:54,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:28:54,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:28:54,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:28:54,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:28:54,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:28:54,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:28:55,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:28:55,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:28:55,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:28:55,003 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:28:55,004 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:28:55,005 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:28:55,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:28:55,013 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:28:55,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:28:55,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:28:55,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:28:55,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:28:55,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:28:55,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:28:55,028 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:28:55,063 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:28:55,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:28:55,065 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:28:55,066 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:28:55,067 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:28:55,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:28:55,067 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:28:55,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:28:55,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:28:55,070 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:28:55,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:28:55,071 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:28:55,071 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:28:55,072 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:28:55,072 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:28:55,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:28:55,072 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:28:55,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:28:55,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:28:55,075 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:28:55,075 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:28:55,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:28:55,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:28:55,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:28:55,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:28:55,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:28:55,076 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:28:55,078 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:28:55,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:28:55,078 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:28:55,079 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 -> 0e605ef5f9edcb39572a100f30abe5b84d678dd1 [2019-11-27 16:28:55,476 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:28:55,496 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:28:55,499 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:28:55,502 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:28:55,504 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:28:55,505 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-11-27 16:28:55,609 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cec9f78d/b850f3d326024f7baa2195100163005b/FLAGda9b40252 [2019-11-27 16:28:56,503 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:28:56,508 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-11-27 16:28:56,538 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cec9f78d/b850f3d326024f7baa2195100163005b/FLAGda9b40252 [2019-11-27 16:28:56,656 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cec9f78d/b850f3d326024f7baa2195100163005b [2019-11-27 16:28:56,664 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:28:56,669 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:28:56,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:28:56,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:28:56,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:28:56,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:28:56" (1/1) ... [2019-11-27 16:28:56,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45357075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:28:56, skipping insertion in model container [2019-11-27 16:28:56,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:28:56" (1/1) ... [2019-11-27 16:28:56,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:28:56,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:28:57,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:28:57,709 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:28:58,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:28:58,132 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:28:58,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:28:58 WrapperNode [2019-11-27 16:28:58,138 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:28:58,139 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:28:58,139 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:28:58,139 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:28:58,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:28:58" (1/1) ... [2019-11-27 16:28:58,209 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:28:58" (1/1) ... [2019-11-27 16:28:58,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:28:58,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:28:58,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:28:58,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:28:58,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:28:58" (1/1) ... [2019-11-27 16:28:58,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:28:58" (1/1) ... [2019-11-27 16:28:58,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:28:58" (1/1) ... [2019-11-27 16:28:58,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:28:58" (1/1) ... [2019-11-27 16:28:58,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:28:58" (1/1) ... [2019-11-27 16:28:58,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:28:58" (1/1) ... [2019-11-27 16:28:58,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:28:58" (1/1) ... [2019-11-27 16:28:58,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:28:58,487 INFO L168 Benchmark]: Toolchain (without parser) took 1818.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 949.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:28:58,488 INFO L168 Benchmark]: CDTParser took 0.87 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 16:28:58,489 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1468.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 961.2 MB in the end (delta: -903.8 kB). Peak memory consumption was 26.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:28:58,493 INFO L168 Benchmark]: Boogie Procedure Inliner took 193.91 ms. Allocated memory is still 1.0 GB. Free memory was 961.2 MB in the beginning and 955.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:28:58,495 INFO L168 Benchmark]: Boogie Preprocessor took 148.80 ms. Allocated memory is still 1.0 GB. Free memory was 955.4 MB in the beginning and 949.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:28:58,501 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87 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 1468.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 961.2 MB in the end (delta: -903.8 kB). Peak memory consumption was 26.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 193.91 ms. Allocated memory is still 1.0 GB. Free memory was 961.2 MB in the beginning and 955.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 148.80 ms. Allocated memory is still 1.0 GB. Free memory was 955.4 MB in the beginning and 949.7 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...