./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id_o10.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/recursive-simple/id_o10.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 0c292d0c9d9c055df9398b3303a92d6621b60758 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/id_o10.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 0c292d0c9d9c055df9398b3303a92d6621b60758 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 21:18:18,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:18:18,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:18:18,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:18:18,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:18:18,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:18:18,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:18:18,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:18:18,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:18:18,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:18:18,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:18:18,770 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:18:18,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:18:18,775 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:18:18,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:18:18,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:18:18,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:18:18,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:18:18,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:18:18,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:18:18,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:18:18,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:18:18,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:18:18,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:18:18,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:18:18,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:18:18,814 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:18:18,818 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:18:18,818 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:18:18,820 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:18:18,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:18:18,822 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:18:18,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:18:18,826 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:18:18,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:18:18,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:18:18,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:18:18,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:18:18,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:18:18,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:18:18,835 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:18:18,836 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:18:18,863 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:18:18,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:18:18,866 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:18:18,867 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:18:18,870 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:18:18,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:18:18,870 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:18:18,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:18:18,871 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:18:18,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:18:18,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:18:18,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:18:18,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:18:18,873 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:18:18,873 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:18:18,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:18:18,873 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:18:18,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:18:18,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:18:18,874 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:18:18,876 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:18:18,876 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:18:18,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:18:18,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:18:18,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:18:18,879 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:18:18,879 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:18:18,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:18:18,880 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:18:18,880 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 -> 0c292d0c9d9c055df9398b3303a92d6621b60758 [2019-11-24 21:18:19,326 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:18:19,344 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:18:19,350 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:18:19,352 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:18:19,354 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:18:19,355 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_o10.c [2019-11-24 21:18:19,458 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c825bd7f/8f5eae4dfc524105a4c0843b2446a8ee/FLAGd5c196ba0 [2019-11-24 21:18:20,137 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:18:20,138 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_o10.c [2019-11-24 21:18:20,147 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c825bd7f/8f5eae4dfc524105a4c0843b2446a8ee/FLAGd5c196ba0 [2019-11-24 21:18:20,478 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c825bd7f/8f5eae4dfc524105a4c0843b2446a8ee [2019-11-24 21:18:20,485 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:18:20,487 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:18:20,495 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:20,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:18:20,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:18:20,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:20" (1/1) ... [2019-11-24 21:18:20,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9fbebda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:20, skipping insertion in model container [2019-11-24 21:18:20,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:20" (1/1) ... [2019-11-24 21:18:20,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:18:20,552 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:18:20,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:20,817 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:18:20,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:20,848 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:18:20,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:20 WrapperNode [2019-11-24 21:18:20,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:20,855 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:20,855 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:18:20,855 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:18:20,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:20" (1/1) ... [2019-11-24 21:18:20,873 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:20" (1/1) ... [2019-11-24 21:18:20,963 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:20,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:18:20,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:18:20,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:18:20,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:20" (1/1) ... [2019-11-24 21:18:20,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:20" (1/1) ... [2019-11-24 21:18:20,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:20" (1/1) ... [2019-11-24 21:18:20,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:20" (1/1) ... [2019-11-24 21:18:20,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:20" (1/1) ... [2019-11-24 21:18:20,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:20" (1/1) ... [2019-11-24 21:18:20,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:20" (1/1) ... [2019-11-24 21:18:20,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:18:21,002 INFO L168 Benchmark]: Toolchain (without parser) took 499.72 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 997.1 MB in the end (delta: -34.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:21,006 INFO L168 Benchmark]: CDTParser took 0.59 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. [2019-11-24 21:18:21,008 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.46 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 951.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:21,012 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.60 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.7 MB in the beginning and 997.1 MB in the end (delta: -45.4 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:21,013 INFO L168 Benchmark]: Boogie Preprocessor took 21.08 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:21,022 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 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 354.46 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 951.7 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 108.60 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.7 MB in the beginning and 997.1 MB in the end (delta: -45.4 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 21.08 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:18:23,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:18:23,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:18:23,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:18:23,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:18:23,747 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:18:23,751 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:18:23,762 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:18:23,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:18:23,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:18:23,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:18:23,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:18:23,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:18:23,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:18:23,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:18:23,787 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:18:23,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:18:23,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:18:23,794 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:18:23,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:18:23,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:18:23,813 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:18:23,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:18:23,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:18:23,821 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:18:23,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:18:23,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:18:23,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:18:23,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:18:23,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:18:23,828 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:18:23,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:18:23,834 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:18:23,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:18:23,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:18:23,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:18:23,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:18:23,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:18:23,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:18:23,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:18:23,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:18:23,845 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:18:23,877 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:18:23,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:18:23,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:18:23,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:18:23,880 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:18:23,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:18:23,880 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:18:23,880 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:18:23,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:18:23,884 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:18:23,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:18:23,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:18:23,885 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:18:23,886 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:18:23,886 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:18:23,886 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:18:23,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:18:23,887 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:18:23,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:18:23,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:18:23,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:18:23,888 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:18:23,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:18:23,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:18:23,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:18:23,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:18:23,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:18:23,891 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:18:23,891 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:18:23,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:18:23,892 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:18:23,892 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 -> 0c292d0c9d9c055df9398b3303a92d6621b60758 [2019-11-24 21:18:24,317 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:18:24,335 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:18:24,341 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:18:24,346 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:18:24,347 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:18:24,348 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_o10.c [2019-11-24 21:18:24,457 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54adef633/4f6d220d8ef444d9a9990cfd9a43b3e7/FLAGe2a583596 [2019-11-24 21:18:25,149 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:18:25,150 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_o10.c [2019-11-24 21:18:25,163 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54adef633/4f6d220d8ef444d9a9990cfd9a43b3e7/FLAGe2a583596 [2019-11-24 21:18:25,496 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54adef633/4f6d220d8ef444d9a9990cfd9a43b3e7 [2019-11-24 21:18:25,499 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:18:25,504 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:18:25,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:25,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:18:25,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:18:25,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:25" (1/1) ... [2019-11-24 21:18:25,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c3cc1d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:25, skipping insertion in model container [2019-11-24 21:18:25,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:25" (1/1) ... [2019-11-24 21:18:25,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:18:25,547 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:18:25,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:25,803 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:18:25,817 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:25,834 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:18:25,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:25 WrapperNode [2019-11-24 21:18:25,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:25,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:25,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:18:25,838 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:18:25,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:25" (1/1) ... [2019-11-24 21:18:25,852 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:25" (1/1) ... [2019-11-24 21:18:25,924 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:25,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:18:25,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:18:25,925 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:18:25,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:25" (1/1) ... [2019-11-24 21:18:25,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:25" (1/1) ... [2019-11-24 21:18:25,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:25" (1/1) ... [2019-11-24 21:18:25,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:25" (1/1) ... [2019-11-24 21:18:25,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:25" (1/1) ... [2019-11-24 21:18:25,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:25" (1/1) ... [2019-11-24 21:18:25,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:25" (1/1) ... [2019-11-24 21:18:25,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:18:25,961 INFO L168 Benchmark]: Toolchain (without parser) took 439.22 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 997.0 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:25,962 INFO L168 Benchmark]: CDTParser took 0.24 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. [2019-11-24 21:18:25,965 INFO L168 Benchmark]: CACSL2BoogieTranslator took 324.58 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. [2019-11-24 21:18:25,966 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.38 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 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:25,967 INFO L168 Benchmark]: Boogie Preprocessor took 17.19 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. [2019-11-24 21:18:25,970 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 324.58 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 88.38 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 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 17.19 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...