./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_2calls_25-2.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/fibo_2calls_25-2.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 0ffdf5a48ecbd6efce73030b09304829958cd671 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_25-2.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 0ffdf5a48ecbd6efce73030b09304829958cd671 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:21:33,628 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:33,630 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:33,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:33,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:33,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:33,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:33,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:33,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:33,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:33,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:33,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:33,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:33,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:33,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:33,700 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:33,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:33,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:33,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:33,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:33,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:33,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:33,727 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:33,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:33,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:33,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:33,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:33,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:33,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:33,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:33,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:33,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:33,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:33,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:33,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:33,750 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:33,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:33,752 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:33,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:33,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:33,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:33,758 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:21:33,788 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:33,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:33,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:33,792 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:33,792 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:33,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:33,792 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:33,793 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:21:33,793 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:33,793 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:33,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:33,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:33,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:33,798 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:33,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:33,798 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:33,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:33,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:33,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:33,799 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:33,799 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:33,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:33,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:33,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:33,800 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:33,800 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:21:33,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:21:33,802 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:33,802 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 -> 0ffdf5a48ecbd6efce73030b09304829958cd671 [2019-11-27 16:21:34,284 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:34,306 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:34,313 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:34,317 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:34,317 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:34,318 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_25-2.c [2019-11-27 16:21:34,422 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b464b7f88/5621288cfbf6487c8851d5131b43d7b2/FLAGe1d563ca4 [2019-11-27 16:21:35,098 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:35,103 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_25-2.c [2019-11-27 16:21:35,114 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b464b7f88/5621288cfbf6487c8851d5131b43d7b2/FLAGe1d563ca4 [2019-11-27 16:21:35,436 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b464b7f88/5621288cfbf6487c8851d5131b43d7b2 [2019-11-27 16:21:35,442 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:35,446 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:35,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:35,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:35,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:35,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:35" (1/1) ... [2019-11-27 16:21:35,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364378cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:35, skipping insertion in model container [2019-11-27 16:21:35,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:35" (1/1) ... [2019-11-27 16:21:35,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:35,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:35,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:35,773 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:21:35,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:35,804 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:21:35,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:35 WrapperNode [2019-11-27 16:21:35,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:35,806 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:35,806 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:21:35,807 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:21:35,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:35" (1/1) ... [2019-11-27 16:21:35,819 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:35" (1/1) ... [2019-11-27 16:21:35,899 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:35,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:21:35,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:21:35,906 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:21:35,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:35" (1/1) ... [2019-11-27 16:21:35,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:35" (1/1) ... [2019-11-27 16:21:35,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:35" (1/1) ... [2019-11-27 16:21:35,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:35" (1/1) ... [2019-11-27 16:21:35,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:35" (1/1) ... [2019-11-27 16:21:35,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:35" (1/1) ... [2019-11-27 16:21:35,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:35" (1/1) ... [2019-11-27 16:21:35,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:21:35,950 INFO L168 Benchmark]: Toolchain (without parser) took 490.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:35,951 INFO L168 Benchmark]: CDTParser took 0.19 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 16:21:35,953 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.09 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 16:21:35,956 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.27 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. [2019-11-27 16:21:35,959 INFO L168 Benchmark]: Boogie Preprocessor took 30.77 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:35,968 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 358.09 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 94.27 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 30.77 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:21:38,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:38,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:38,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:38,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:38,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:38,709 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:38,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:38,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:38,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:38,735 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:38,737 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:38,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:38,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:38,743 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:38,750 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:38,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:38,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:38,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:38,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:38,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:38,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:38,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:38,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:38,784 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:38,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:38,785 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:38,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:38,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:38,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:38,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:38,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:38,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:38,796 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:38,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:38,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:38,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:38,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:38,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:38,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:38,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:38,809 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:21:38,837 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:38,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:38,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:38,842 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:38,842 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:38,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:38,844 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:38,844 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:38,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:38,844 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:38,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:38,846 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:38,846 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:21:38,846 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:21:38,849 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:38,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:38,849 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:38,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:38,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:38,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:38,850 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:38,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:38,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:38,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:38,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:38,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:38,851 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:21:38,852 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:21:38,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:38,855 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:21:38,856 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 -> 0ffdf5a48ecbd6efce73030b09304829958cd671 [2019-11-27 16:21:39,262 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:39,281 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:39,284 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:39,289 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:39,290 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:39,291 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_25-2.c [2019-11-27 16:21:39,395 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d33cdf45/a3e21bf182d9421a991a3ceeb99b5248/FLAGcf57b11a6 [2019-11-27 16:21:40,075 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:40,076 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_25-2.c [2019-11-27 16:21:40,089 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d33cdf45/a3e21bf182d9421a991a3ceeb99b5248/FLAGcf57b11a6 [2019-11-27 16:21:40,419 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d33cdf45/a3e21bf182d9421a991a3ceeb99b5248 [2019-11-27 16:21:40,424 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:40,429 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:40,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:40,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:40,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:40,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:40" (1/1) ... [2019-11-27 16:21:40,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cb873af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:40, skipping insertion in model container [2019-11-27 16:21:40,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:40" (1/1) ... [2019-11-27 16:21:40,460 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:40,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:40,772 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:40,779 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:21:40,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:40,812 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:21:40,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:40 WrapperNode [2019-11-27 16:21:40,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:40,819 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:40,819 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:21:40,819 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:21:40,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:40" (1/1) ... [2019-11-27 16:21:40,899 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:40" (1/1) ... [2019-11-27 16:21:40,915 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:40,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:21:40,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:21:40,916 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:21:40,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:40" (1/1) ... [2019-11-27 16:21:40,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:40" (1/1) ... [2019-11-27 16:21:40,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:40" (1/1) ... [2019-11-27 16:21:40,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:40" (1/1) ... [2019-11-27 16:21:40,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:40" (1/1) ... [2019-11-27 16:21:40,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:40" (1/1) ... [2019-11-27 16:21:40,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:40" (1/1) ... [2019-11-27 16:21:40,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:21:40,961 INFO L168 Benchmark]: Toolchain (without parser) took 516.52 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 985.6 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:40,962 INFO L168 Benchmark]: CDTParser took 0.21 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 16:21:40,964 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.23 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 16:21:40,966 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.44 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 991.3 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:40,967 INFO L168 Benchmark]: Boogie Preprocessor took 28.07 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:40,979 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 383.23 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 96.44 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 991.3 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 28.07 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...