./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/sum_2x3-1.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/recursive-simple/sum_2x3-1.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 5417ea5971c5cfa3624e07fbe8bf33ef4632cb6f .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/recursive-simple/sum_2x3-1.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 5417ea5971c5cfa3624e07fbe8bf33ef4632cb6f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:21:57,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:57,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:57,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:57,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:57,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:57,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:57,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:57,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:57,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:57,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:57,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:57,865 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:57,871 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:57,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:57,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:57,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:57,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:57,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:57,900 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:57,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:57,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:57,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:57,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:57,932 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:57,933 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:57,933 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:57,935 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:57,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:57,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:57,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:57,942 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:57,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:57,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:57,950 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:57,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:57,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:57,955 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:57,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:57,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:57,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:57,962 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:21:58,003 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:58,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:58,009 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:58,009 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:58,009 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:58,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:58,012 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:58,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:21:58,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:58,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:58,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:58,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:58,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:58,017 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:58,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:58,018 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:58,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:58,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:58,021 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:58,021 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:58,022 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:58,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:58,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:58,023 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:58,026 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:58,026 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:21:58,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:21:58,027 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:58,027 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 -> 5417ea5971c5cfa3624e07fbe8bf33ef4632cb6f [2019-11-27 16:21:58,646 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:58,676 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:58,682 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:58,685 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:58,690 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:58,691 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_2x3-1.c [2019-11-27 16:21:58,853 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18b6c8f34/f84a866263bd4aa794b6f894edc55767/FLAG731218378 [2019-11-27 16:21:59,912 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:59,917 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_2x3-1.c [2019-11-27 16:21:59,934 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18b6c8f34/f84a866263bd4aa794b6f894edc55767/FLAG731218378 [2019-11-27 16:21:59,974 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18b6c8f34/f84a866263bd4aa794b6f894edc55767 [2019-11-27 16:21:59,983 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:59,988 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:59,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:59,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:22:00,000 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:22:00,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:59" (1/1) ... [2019-11-27 16:22:00,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c9b2ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:00, skipping insertion in model container [2019-11-27 16:22:00,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:59" (1/1) ... [2019-11-27 16:22:00,033 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:22:00,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:22:00,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:22:00,521 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:22:00,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:22:00,601 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:22:00,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:00 WrapperNode [2019-11-27 16:22:00,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:22:00,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:22:00,612 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:22:00,612 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:22:00,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:00" (1/1) ... [2019-11-27 16:22:00,644 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:00" (1/1) ... [2019-11-27 16:22:00,696 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:22:00,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:22:00,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:22:00,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:22:00,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:00" (1/1) ... [2019-11-27 16:22:00,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:00" (1/1) ... [2019-11-27 16:22:00,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:00" (1/1) ... [2019-11-27 16:22:00,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:00" (1/1) ... [2019-11-27 16:22:00,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:00" (1/1) ... [2019-11-27 16:22:00,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:00" (1/1) ... [2019-11-27 16:22:00,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:00" (1/1) ... [2019-11-27 16:22:00,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:22:00,844 INFO L168 Benchmark]: Toolchain (without parser) took 851.06 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 16:22:00,848 INFO L168 Benchmark]: CDTParser took 0.37 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 16:22:00,850 INFO L168 Benchmark]: CACSL2BoogieTranslator took 616.65 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:22:00,852 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.74 ms. Allocated memory is still 1.0 GB. Free memory is still 950.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:22:00,857 INFO L168 Benchmark]: Boogie Preprocessor took 130.65 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:22:00,868 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 616.65 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 92.74 ms. Allocated memory is still 1.0 GB. Free memory is still 950.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 130.65 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 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 16:22:04,750 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:22:04,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:22:04,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:22:04,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:22:04,784 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:22:04,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:22:04,815 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:22:04,820 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:22:04,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:22:04,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:22:04,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:22:04,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:22:04,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:22:04,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:22:04,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:22:04,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:22:04,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:22:04,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:22:04,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:22:04,875 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:22:04,882 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:22:04,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:22:04,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:22:04,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:22:04,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:22:04,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:22:04,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:22:04,903 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:22:04,904 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:22:04,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:22:04,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:22:04,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:22:04,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:22:04,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:22:04,916 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:22:04,918 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:22:04,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:22:04,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:22:04,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:22:04,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:22:04,928 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:22:04,979 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:22:04,980 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:22:04,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:22:04,986 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:22:04,986 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:22:04,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:22:04,987 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:22:04,989 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:22:04,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:22:04,989 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:22:04,991 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:22:04,993 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:22:04,993 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:22:04,994 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:22:04,995 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:22:04,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:22:04,997 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:22:04,997 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:22:04,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:22:04,998 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:22:04,998 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:22:05,000 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:22:05,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:22:05,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:22:05,001 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:22:05,003 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:22:05,003 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:22:05,003 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:22:05,004 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:22:05,004 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:22:05,005 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 -> 5417ea5971c5cfa3624e07fbe8bf33ef4632cb6f [2019-11-27 16:22:05,605 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:22:05,636 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:22:05,645 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:22:05,651 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:22:05,652 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:22:05,653 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_2x3-1.c [2019-11-27 16:22:05,807 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/441b80829/db47ece6cec64459a2be264805b96af8/FLAG349cabe60 [2019-11-27 16:22:06,818 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:22:06,821 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_2x3-1.c [2019-11-27 16:22:06,835 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/441b80829/db47ece6cec64459a2be264805b96af8/FLAG349cabe60 [2019-11-27 16:22:07,027 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/441b80829/db47ece6cec64459a2be264805b96af8 [2019-11-27 16:22:07,036 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:22:07,041 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:22:07,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:22:07,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:22:07,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:22:07,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:22:07" (1/1) ... [2019-11-27 16:22:07,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b329d5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:07, skipping insertion in model container [2019-11-27 16:22:07,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:22:07" (1/1) ... [2019-11-27 16:22:07,083 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:22:07,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:22:07,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:22:07,512 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:22:07,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:22:07,563 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:22:07,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:07 WrapperNode [2019-11-27 16:22:07,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:22:07,572 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:22:07,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:22:07,573 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:22:07,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:07" (1/1) ... [2019-11-27 16:22:07,605 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:07" (1/1) ... [2019-11-27 16:22:07,719 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:22:07,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:22:07,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:22:07,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:22:07,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:07" (1/1) ... [2019-11-27 16:22:07,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:07" (1/1) ... [2019-11-27 16:22:07,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:07" (1/1) ... [2019-11-27 16:22:07,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:07" (1/1) ... [2019-11-27 16:22:07,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:07" (1/1) ... [2019-11-27 16:22:07,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:07" (1/1) ... [2019-11-27 16:22:07,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:07" (1/1) ... [2019-11-27 16:22:07,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:22:07,765 INFO L168 Benchmark]: Toolchain (without parser) took 710.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 997.0 MB in the end (delta: -31.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:22:07,767 INFO L168 Benchmark]: CDTParser took 2.55 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 16:22:07,772 INFO L168 Benchmark]: CACSL2BoogieTranslator took 520.17 ms. Allocated memory is still 1.0 GB. Free memory was 965.9 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:22:07,774 INFO L168 Benchmark]: Boogie Procedure Inliner took 147.59 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 997.0 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:22:07,778 INFO L168 Benchmark]: Boogie Preprocessor took 26.52 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:22:07,788 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.55 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 520.17 ms. Allocated memory is still 1.0 GB. Free memory was 965.9 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 147.59 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 997.0 MB in the end (delta: -42.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 26.52 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 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...