./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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/fibo_2calls_25-1.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 32b35f92777a70529f99e4ddde63d45e6dc1a3a5 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/fibo_2calls_25-1.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 32b35f92777a70529f99e4ddde63d45e6dc1a3a5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:12:08,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:08,670 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:08,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:08,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:08,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:08,714 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:08,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:08,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:08,743 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:08,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:08,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:08,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:08,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:08,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:08,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:08,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:08,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:08,783 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:08,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:08,796 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:08,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:08,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:08,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:08,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:08,819 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:08,820 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:08,824 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:08,825 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:08,826 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:08,828 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:08,832 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:08,833 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:08,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:08,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:08,841 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:08,844 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:08,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:08,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:08,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:08,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:08,854 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:12:08,903 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:08,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:08,908 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:08,909 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:08,910 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:08,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:08,913 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:08,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:12:08,914 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:08,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:08,915 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:08,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:08,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:08,918 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:08,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:08,919 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:08,919 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:08,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:08,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:08,923 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:08,923 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:08,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:08,924 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:08,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:08,925 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:08,928 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:12:08,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:12:08,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:08,929 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 -> 32b35f92777a70529f99e4ddde63d45e6dc1a3a5 [2019-11-26 17:12:09,540 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:09,569 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:09,576 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:09,579 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:09,582 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:09,585 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.c [2019-11-26 17:12:09,744 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bad812da/21d03c70ac3e4ff481d7dfde22fc659e/FLAG5860d4ae2 [2019-11-26 17:12:10,764 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:10,766 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.c [2019-11-26 17:12:10,784 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bad812da/21d03c70ac3e4ff481d7dfde22fc659e/FLAG5860d4ae2 [2019-11-26 17:12:10,824 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bad812da/21d03c70ac3e4ff481d7dfde22fc659e [2019-11-26 17:12:10,831 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:10,833 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:10,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:10,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:10,846 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:10,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:10" (1/1) ... [2019-11-26 17:12:10,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f8899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:10, skipping insertion in model container [2019-11-26 17:12:10,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:10" (1/1) ... [2019-11-26 17:12:10,879 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:10,922 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:11,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:11,365 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:11,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:11,445 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:11,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11 WrapperNode [2019-11-26 17:12:11,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:11,449 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:11,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:11,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:11,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,488 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:11,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:11,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:11,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:11,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:11" (1/1) ... [2019-11-26 17:12:11,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:11,742 INFO L168 Benchmark]: Toolchain (without parser) took 901.54 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 991.0 MB in the end (delta: -29.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:11,744 INFO L168 Benchmark]: CDTParser took 0.41 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. [2019-11-26 17:12:11,748 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.83 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. [2019-11-26 17:12:11,753 INFO L168 Benchmark]: Boogie Procedure Inliner took 223.15 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: -46.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:11,755 INFO L168 Benchmark]: Boogie Preprocessor took 59.13 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:11,769 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 609.83 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 223.15 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: -46.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 59.13 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:12:15,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:15,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:15,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:15,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:15,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:15,823 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:15,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:15,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:15,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:15,866 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:15,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:15,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:15,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:15,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:15,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:15,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:15,897 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:15,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:15,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:15,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:15,932 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:15,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:15,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:15,948 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:15,949 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:15,949 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:15,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:15,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:15,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:15,958 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:15,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:15,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:15,966 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:15,968 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:15,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:15,974 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:15,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:15,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:15,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:15,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:15,984 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:12:16,029 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:16,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:16,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:16,038 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:16,038 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:16,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:16,039 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:16,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:16,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:16,041 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:16,042 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:16,043 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:16,044 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:12:16,044 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:12:16,047 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:16,047 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:16,048 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:16,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:16,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:16,049 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:16,050 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:16,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:16,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:16,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:16,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:16,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:16,054 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:12:16,055 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:12:16,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:16,055 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:12:16,059 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 -> 32b35f92777a70529f99e4ddde63d45e6dc1a3a5 [2019-11-26 17:12:16,585 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:16,615 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:16,618 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:16,625 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:16,625 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:16,629 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.c [2019-11-26 17:12:16,781 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b67a0e166/00f85a6d2eac4dec9cba34cff11bf93a/FLAGae48a132e [2019-11-26 17:12:17,802 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:17,806 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.c [2019-11-26 17:12:17,823 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b67a0e166/00f85a6d2eac4dec9cba34cff11bf93a/FLAGae48a132e [2019-11-26 17:12:18,095 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b67a0e166/00f85a6d2eac4dec9cba34cff11bf93a [2019-11-26 17:12:18,103 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:18,110 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:18,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:18,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:18,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:18,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:18" (1/1) ... [2019-11-26 17:12:18,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@489f1e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:18, skipping insertion in model container [2019-11-26 17:12:18,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:18" (1/1) ... [2019-11-26 17:12:18,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:18,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:18,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:18,586 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:18,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:18,643 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:18,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:18 WrapperNode [2019-11-26 17:12:18,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:18,652 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:18,652 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:18,653 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:18,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:18" (1/1) ... [2019-11-26 17:12:18,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:18" (1/1) ... [2019-11-26 17:12:18,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:18,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:18,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:18,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:18,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:18" (1/1) ... [2019-11-26 17:12:18,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:18" (1/1) ... [2019-11-26 17:12:18,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:18" (1/1) ... [2019-11-26 17:12:18,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:18" (1/1) ... [2019-11-26 17:12:18,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:18" (1/1) ... [2019-11-26 17:12:18,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:18" (1/1) ... [2019-11-26 17:12:18,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:18" (1/1) ... [2019-11-26 17:12:18,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:18,833 INFO L168 Benchmark]: Toolchain (without parser) took 719.98 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 991.2 MB in the end (delta: -25.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:18,834 INFO L168 Benchmark]: CDTParser took 0.38 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. [2019-11-26 17:12:18,836 INFO L168 Benchmark]: CACSL2BoogieTranslator took 533.06 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 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. [2019-11-26 17:12:18,838 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.21 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 996.9 MB in the end (delta: -42.4 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:18,848 INFO L168 Benchmark]: Boogie Preprocessor took 39.79 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:18,864 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 533.06 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 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 132.21 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 996.9 MB in the end (delta: -42.4 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 39.79 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 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...