./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/verifythis/duplets.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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/verifythis/duplets.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 c261d11d6e37ef6eda45455c8074b5a0eac3352b .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/verifythis/duplets.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 c261d11d6e37ef6eda45455c8074b5a0eac3352b .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:11:19,679 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:11:19,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:11:19,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:11:19,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:11:19,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:11:19,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:11:19,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:11:19,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:11:19,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:11:19,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:11:19,773 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:11:19,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:11:19,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:11:19,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:11:19,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:11:19,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:11:19,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:11:19,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:11:19,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:11:19,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:11:19,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:11:19,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:11:19,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:11:19,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:11:19,841 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:11:19,841 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:11:19,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:11:19,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:11:19,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:11:19,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:11:19,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:11:19,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:11:19,859 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:11:19,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:11:19,864 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:11:19,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:11:19,867 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:11:19,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:11:19,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:11:19,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:11:19,876 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:11:19,913 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:11:19,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:11:19,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:11:19,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:11:19,923 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:11:19,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:11:19,924 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:11:19,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:11:19,924 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:11:19,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:11:19,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:11:19,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:11:19,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:11:19,930 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:11:19,931 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:11:19,931 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:11:19,931 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:11:19,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:11:19,932 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:11:19,932 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:11:19,932 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:11:19,933 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:11:19,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:11:19,933 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:11:19,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:11:19,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:11:19,935 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:11:19,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:11:19,937 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:11:19,937 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 -> c261d11d6e37ef6eda45455c8074b5a0eac3352b [2019-11-24 21:11:20,508 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:11:20,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:11:20,543 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:11:20,546 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:11:20,549 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:11:20,550 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/duplets.c [2019-11-24 21:11:20,725 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74fe30cd8/19366b93517045a3abad9c2b209e853f/FLAG3479a8ce7 [2019-11-24 21:11:21,785 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:11:21,787 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/duplets.c [2019-11-24 21:11:21,804 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74fe30cd8/19366b93517045a3abad9c2b209e853f/FLAG3479a8ce7 [2019-11-24 21:11:21,843 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74fe30cd8/19366b93517045a3abad9c2b209e853f [2019-11-24 21:11:21,854 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:11:21,856 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:11:21,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:11:21,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:11:21,873 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:11:21,874 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:11:21" (1/1) ... [2019-11-24 21:11:21,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a8e820a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:21, skipping insertion in model container [2019-11-24 21:11:21,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:11:21" (1/1) ... [2019-11-24 21:11:21,902 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:11:21,957 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:11:22,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:11:22,494 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:11:22,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:11:22,675 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:11:22,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:22 WrapperNode [2019-11-24 21:11:22,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:11:22,685 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:11:22,685 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:11:22,685 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:11:22,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:22" (1/1) ... [2019-11-24 21:11:22,724 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:22" (1/1) ... [2019-11-24 21:11:22,775 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:11:22,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:11:22,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:11:22,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:11:22,787 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:22" (1/1) ... [2019-11-24 21:11:22,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:22" (1/1) ... [2019-11-24 21:11:22,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:22" (1/1) ... [2019-11-24 21:11:22,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:22" (1/1) ... [2019-11-24 21:11:22,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:22" (1/1) ... [2019-11-24 21:11:22,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:22" (1/1) ... [2019-11-24 21:11:22,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:22" (1/1) ... [2019-11-24 21:11:22,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:11:22,887 INFO L168 Benchmark]: Toolchain (without parser) took 1027.76 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 991.3 MB in the end (delta: -25.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:11:22,891 INFO L168 Benchmark]: CDTParser took 0.81 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. [2019-11-24 21:11:22,894 INFO L168 Benchmark]: CACSL2BoogieTranslator took 814.68 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 991.3 MB in the end (delta: -25.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:11:22,900 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.53 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:11:22,902 INFO L168 Benchmark]: Boogie Preprocessor took 105.24 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:11:22,911 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81 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 814.68 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 991.3 MB in the end (delta: -25.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 90.53 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 105.24 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 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 0.1.24-32f2683 [2019-11-24 21:11:26,886 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:11:26,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:11:26,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:11:26,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:11:26,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:11:26,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:11:26,951 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:11:26,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:11:26,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:11:26,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:11:26,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:11:26,969 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:11:26,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:11:26,977 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:11:26,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:11:26,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:11:26,987 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:11:26,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:11:27,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:11:27,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:11:27,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:11:27,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:11:27,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:11:27,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:11:27,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:11:27,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:11:27,035 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:11:27,035 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:11:27,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:11:27,042 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:11:27,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:11:27,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:11:27,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:11:27,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:11:27,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:11:27,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:11:27,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:11:27,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:11:27,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:11:27,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:11:27,066 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:11:27,107 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:11:27,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:11:27,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:11:27,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:11:27,113 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:11:27,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:11:27,116 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:11:27,116 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:11:27,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:11:27,117 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:11:27,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:11:27,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:11:27,119 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:11:27,121 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:11:27,122 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:11:27,122 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:11:27,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:11:27,122 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:11:27,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:11:27,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:11:27,126 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:11:27,126 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:11:27,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:11:27,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:11:27,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:11:27,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:11:27,128 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:11:27,128 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:11:27,129 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:11:27,129 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:11:27,133 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:11:27,133 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 -> c261d11d6e37ef6eda45455c8074b5a0eac3352b [2019-11-24 21:11:27,690 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:11:27,722 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:11:27,731 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:11:27,733 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:11:27,734 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:11:27,737 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/duplets.c [2019-11-24 21:11:27,889 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abb7cbcee/2fccbbbd6ee04b30b51395c1a6b74b8a/FLAG867d68126 [2019-11-24 21:11:28,931 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:11:28,933 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/duplets.c [2019-11-24 21:11:28,952 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abb7cbcee/2fccbbbd6ee04b30b51395c1a6b74b8a/FLAG867d68126 [2019-11-24 21:11:28,993 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abb7cbcee/2fccbbbd6ee04b30b51395c1a6b74b8a [2019-11-24 21:11:29,002 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:11:29,006 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:11:29,011 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:11:29,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:11:29,018 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:11:29,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:11:28" (1/1) ... [2019-11-24 21:11:29,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cbcb891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:29, skipping insertion in model container [2019-11-24 21:11:29,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:11:28" (1/1) ... [2019-11-24 21:11:29,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:11:29,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:11:29,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:11:29,660 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:11:29,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:11:29,945 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:11:29,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:29 WrapperNode [2019-11-24 21:11:29,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:11:29,950 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:11:29,950 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:11:29,954 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:11:29,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:29" (1/1) ... [2019-11-24 21:11:30,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:29" (1/1) ... [2019-11-24 21:11:30,106 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:11:30,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:11:30,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:11:30,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:11:30,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:29" (1/1) ... [2019-11-24 21:11:30,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:29" (1/1) ... [2019-11-24 21:11:30,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:29" (1/1) ... [2019-11-24 21:11:30,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:29" (1/1) ... [2019-11-24 21:11:30,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:29" (1/1) ... [2019-11-24 21:11:30,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:29" (1/1) ... [2019-11-24 21:11:30,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:11:29" (1/1) ... [2019-11-24 21:11:30,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:11:30,229 INFO L168 Benchmark]: Toolchain (without parser) took 1222.78 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 985.6 MB in the end (delta: -19.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:11:30,234 INFO L168 Benchmark]: CDTParser took 3.22 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. [2019-11-24 21:11:30,242 INFO L168 Benchmark]: CACSL2BoogieTranslator took 938.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.3 MB in the end (delta: -25.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:11:30,244 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.88 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:11:30,246 INFO L168 Benchmark]: Boogie Preprocessor took 118.36 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:11:30,254 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.22 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 938.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.3 MB in the end (delta: -25.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 156.88 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 118.36 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.6 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...