./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_5-2.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_5-2.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 9fa59d7f4411ba9a1b89a97ebb9693c6867ac636 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_5-2.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 9fa59d7f4411ba9a1b89a97ebb9693c6867ac636 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:21:42,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:42,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:42,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:42,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:42,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:42,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:42,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:42,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:42,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:42,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:42,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:42,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:42,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:42,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:42,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:42,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:42,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:42,745 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:42,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:42,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:42,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:42,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:42,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:42,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:42,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:42,785 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:42,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:42,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:42,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:42,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:42,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:42,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:42,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:42,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:42,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:42,803 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:42,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:42,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:42,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:42,811 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:42,814 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:21:42,853 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:42,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:42,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:42,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:42,863 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:42,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:42,864 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:42,864 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:21:42,864 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:42,866 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:42,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:42,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:42,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:42,871 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:42,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:42,871 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:42,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:42,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:42,872 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:42,875 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:42,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:42,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:42,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:42,876 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:42,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:42,877 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:21:42,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:21:42,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:42,880 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 -> 9fa59d7f4411ba9a1b89a97ebb9693c6867ac636 [2019-11-27 16:21:43,500 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:43,530 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:43,540 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:43,542 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:43,544 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:43,545 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_5-2.c [2019-11-27 16:21:43,696 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c4ef619a/911850608b414e19affe255bd335a1f0/FLAGeb552f588 [2019-11-27 16:21:44,644 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:44,647 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_5-2.c [2019-11-27 16:21:44,666 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c4ef619a/911850608b414e19affe255bd335a1f0/FLAGeb552f588 [2019-11-27 16:21:44,850 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c4ef619a/911850608b414e19affe255bd335a1f0 [2019-11-27 16:21:44,858 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:44,862 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:44,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:44,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:44,875 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:44,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:44" (1/1) ... [2019-11-27 16:21:44,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@730d4db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:44, skipping insertion in model container [2019-11-27 16:21:44,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:44" (1/1) ... [2019-11-27 16:21:44,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:44,953 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:45,384 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:45,399 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:21:45,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:45,478 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:21:45,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:45 WrapperNode [2019-11-27 16:21:45,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:45,481 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:45,483 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:21:45,483 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:21:45,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:45" (1/1) ... [2019-11-27 16:21:45,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:45" (1/1) ... [2019-11-27 16:21:45,561 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:45,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:21:45,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:21:45,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:21:45,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:45" (1/1) ... [2019-11-27 16:21:45,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:45" (1/1) ... [2019-11-27 16:21:45,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:45" (1/1) ... [2019-11-27 16:21:45,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:45" (1/1) ... [2019-11-27 16:21:45,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:45" (1/1) ... [2019-11-27 16:21:45,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:45" (1/1) ... [2019-11-27 16:21:45,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:45" (1/1) ... [2019-11-27 16:21:45,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:21:45,750 INFO L168 Benchmark]: Toolchain (without parser) took 880.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 968.8 MB in the beginning and 996.9 MB in the end (delta: -28.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:45,751 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:45,754 INFO L168 Benchmark]: CACSL2BoogieTranslator took 612.61 ms. Allocated memory is still 1.0 GB. Free memory was 968.8 MB in the beginning and 956.0 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:45,755 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.17 ms. Allocated memory is still 1.0 GB. Free memory is still 956.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:45,760 INFO L168 Benchmark]: Boogie Preprocessor took 175.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:45,770 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 612.61 ms. Allocated memory is still 1.0 GB. Free memory was 968.8 MB in the beginning and 956.0 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 83.17 ms. Allocated memory is still 1.0 GB. Free memory is still 956.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 175.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 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 16:21:49,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:49,670 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:49,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:49,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:49,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:49,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:49,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:49,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:49,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:49,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:49,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:49,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:49,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:49,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:49,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:49,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:49,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:49,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:49,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:49,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:49,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:49,787 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:49,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:49,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:49,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:49,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:49,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:49,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:49,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:49,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:49,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:49,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:49,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:49,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:49,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:49,822 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:49,823 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:49,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:49,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:49,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:49,831 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:21:49,870 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:49,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:49,876 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:49,877 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:49,877 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:49,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:49,880 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:49,880 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:49,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:49,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:49,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:49,883 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:49,883 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:21:49,884 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:21:49,886 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:49,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:49,886 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:49,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:49,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:49,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:49,888 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:49,891 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:49,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:49,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:49,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:49,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:49,892 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:21:49,893 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:21:49,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:49,893 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:21:49,894 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 -> 9fa59d7f4411ba9a1b89a97ebb9693c6867ac636 [2019-11-27 16:21:50,415 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:50,442 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:50,449 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:50,454 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:50,457 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:50,459 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_5-2.c [2019-11-27 16:21:50,609 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1802d3509/0b594eb2ef3e4ab791574347badfca66/FLAGeb4eb4fd2 [2019-11-27 16:21:51,572 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:51,575 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_5-2.c [2019-11-27 16:21:51,590 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1802d3509/0b594eb2ef3e4ab791574347badfca66/FLAGeb4eb4fd2 [2019-11-27 16:21:51,764 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1802d3509/0b594eb2ef3e4ab791574347badfca66 [2019-11-27 16:21:51,770 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:51,772 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:51,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:51,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:51,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:51,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:51" (1/1) ... [2019-11-27 16:21:51,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b7a1a82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:51, skipping insertion in model container [2019-11-27 16:21:51,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:51" (1/1) ... [2019-11-27 16:21:51,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:51,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:52,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:52,225 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:21:52,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:52,303 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:21:52,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:52 WrapperNode [2019-11-27 16:21:52,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:52,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:52,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:21:52,305 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:21:52,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:52" (1/1) ... [2019-11-27 16:21:52,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:52" (1/1) ... [2019-11-27 16:21:52,482 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:52,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:21:52,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:21:52,483 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:21:52,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:52" (1/1) ... [2019-11-27 16:21:52,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:52" (1/1) ... [2019-11-27 16:21:52,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:52" (1/1) ... [2019-11-27 16:21:52,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:52" (1/1) ... [2019-11-27 16:21:52,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:52" (1/1) ... [2019-11-27 16:21:52,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:52" (1/1) ... [2019-11-27 16:21:52,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:52" (1/1) ... [2019-11-27 16:21:52,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:21:52,533 INFO L168 Benchmark]: Toolchain (without parser) took 757.41 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 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:52,535 INFO L168 Benchmark]: CDTParser took 0.30 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 16:21:52,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 522.57 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:52,539 INFO L168 Benchmark]: Boogie Procedure Inliner took 177.52 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 991.2 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:52,547 INFO L168 Benchmark]: Boogie Preprocessor took 44.71 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:52,561 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 522.57 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 177.52 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 991.2 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 44.71 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 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...