./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_10-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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_10-1.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 1ca069cb8d4103e8fb4700634948424bd87542bc .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_10-1.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 1ca069cb8d4103e8fb4700634948424bd87542bc ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:59:38,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:59:38,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:59:38,850 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:59:38,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:59:38,855 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:59:38,857 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:59:38,885 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:59:38,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:59:38,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:59:38,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:59:38,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:59:38,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:59:38,911 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:59:38,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:59:38,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:59:38,921 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:59:38,927 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:59:38,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:59:38,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:59:38,950 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:59:38,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:59:38,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:59:38,968 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:59:38,973 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:59:38,973 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:59:38,973 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:59:38,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:59:38,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:59:38,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:59:38,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:59:38,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:59:38,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:59:38,989 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:59:38,992 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:59:38,993 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:59:38,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:59:38,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:59:38,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:59:38,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:59:39,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:59:39,006 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:59:39,044 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:59:39,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:59:39,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:59:39,053 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:59:39,053 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:59:39,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:59:39,054 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:59:39,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:59:39,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:59:39,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:59:39,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:59:39,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:59:39,061 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:59:39,062 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:59:39,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:59:39,063 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:59:39,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:59:39,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:59:39,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:59:39,066 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:59:39,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:59:39,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:59:39,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:59:39,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:59:39,068 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:59:39,069 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:59:39,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:59:39,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:59:39,071 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 -> 1ca069cb8d4103e8fb4700634948424bd87542bc [2019-11-27 09:59:39,670 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:59:39,700 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:59:39,708 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:59:39,710 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:59:39,713 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:59:39,715 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_10-1.c [2019-11-27 09:59:39,876 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/984e8e472/3954b8c473eb4611abcbc364dce0e66b/FLAGa36e6d73d [2019-11-27 09:59:40,838 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:59:40,841 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_10-1.c [2019-11-27 09:59:40,855 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/984e8e472/3954b8c473eb4611abcbc364dce0e66b/FLAGa36e6d73d [2019-11-27 09:59:40,893 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/984e8e472/3954b8c473eb4611abcbc364dce0e66b [2019-11-27 09:59:40,901 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:59:40,905 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:59:40,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:59:40,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:59:40,916 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:59:40,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:59:40" (1/1) ... [2019-11-27 09:59:40,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6404b3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:40, skipping insertion in model container [2019-11-27 09:59:40,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:59:40" (1/1) ... [2019-11-27 09:59:40,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:59:40,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:59:41,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:59:41,431 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:59:41,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:59:41,507 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:59:41,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:41 WrapperNode [2019-11-27 09:59:41,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:59:41,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:59:41,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:59:41,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:59:41,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:41" (1/1) ... [2019-11-27 09:59:41,541 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:41" (1/1) ... [2019-11-27 09:59:41,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:59:41,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:59:41,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:59:41,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:59:41,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:41" (1/1) ... [2019-11-27 09:59:41,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:41" (1/1) ... [2019-11-27 09:59:41,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:41" (1/1) ... [2019-11-27 09:59:41,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:41" (1/1) ... [2019-11-27 09:59:41,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:41" (1/1) ... [2019-11-27 09:59:41,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:41" (1/1) ... [2019-11-27 09:59:41,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:41" (1/1) ... [2019-11-27 09:59:41,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:59:41,734 INFO L168 Benchmark]: Toolchain (without parser) took 810.25 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 996.9 MB in the end (delta: -30.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:59:41,736 INFO L168 Benchmark]: CDTParser took 2.11 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 09:59:41,738 INFO L168 Benchmark]: CACSL2BoogieTranslator took 603.44 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. [2019-11-27 09:59:41,742 INFO L168 Benchmark]: Boogie Procedure Inliner took 163.02 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. [2019-11-27 09:59:41,743 INFO L168 Benchmark]: Boogie Preprocessor took 36.80 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:59:41,755 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.11 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 603.44 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 163.02 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 36.80 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:59:45,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:59:45,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:59:45,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:59:45,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:59:45,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:59:45,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:59:45,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:59:45,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:59:45,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:59:45,703 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:59:45,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:59:45,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:59:45,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:59:45,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:59:45,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:59:45,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:59:45,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:59:45,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:59:45,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:59:45,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:59:45,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:59:45,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:59:45,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:59:45,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:59:45,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:59:45,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:59:45,783 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:59:45,785 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:59:45,786 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:59:45,788 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:59:45,789 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:59:45,791 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:59:45,796 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:59:45,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:59:45,802 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:59:45,803 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:59:45,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:59:45,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:59:45,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:59:45,811 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:59:45,812 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:59:45,855 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:59:45,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:59:45,861 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:59:45,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:59:45,864 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:59:45,865 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:59:45,865 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:59:45,866 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:59:45,866 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:59:45,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:59:45,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:59:45,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:59:45,870 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:59:45,871 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:59:45,874 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:59:45,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:59:45,875 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:59:45,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:59:45,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:59:45,876 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:59:45,876 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:59:45,876 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:59:45,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:59:45,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:59:45,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:59:45,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:59:45,880 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:59:45,881 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:59:45,884 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:59:45,884 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:59:45,886 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 -> 1ca069cb8d4103e8fb4700634948424bd87542bc [2019-11-27 09:59:46,465 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:59:46,492 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:59:46,501 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:59:46,505 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:59:46,508 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:59:46,510 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_10-1.c [2019-11-27 09:59:46,664 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ec63daa9/513fc885ab774ed59a72de888ab3bf03/FLAG43375f3a1 [2019-11-27 09:59:47,635 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:59:47,640 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_10-1.c [2019-11-27 09:59:47,655 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ec63daa9/513fc885ab774ed59a72de888ab3bf03/FLAG43375f3a1 [2019-11-27 09:59:47,826 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ec63daa9/513fc885ab774ed59a72de888ab3bf03 [2019-11-27 09:59:47,835 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:59:47,837 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:59:47,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:59:47,847 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:59:47,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:59:47,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:59:47" (1/1) ... [2019-11-27 09:59:47,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3782f63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:47, skipping insertion in model container [2019-11-27 09:59:47,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:59:47" (1/1) ... [2019-11-27 09:59:47,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:59:47,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:59:48,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:59:48,276 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:59:48,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:59:48,316 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:59:48,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:48 WrapperNode [2019-11-27 09:59:48,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:59:48,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:59:48,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:59:48,323 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:59:48,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:48" (1/1) ... [2019-11-27 09:59:48,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:48" (1/1) ... [2019-11-27 09:59:48,455 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:59:48,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:59:48,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:59:48,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:59:48,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:48" (1/1) ... [2019-11-27 09:59:48,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:48" (1/1) ... [2019-11-27 09:59:48,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:48" (1/1) ... [2019-11-27 09:59:48,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:48" (1/1) ... [2019-11-27 09:59:48,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:48" (1/1) ... [2019-11-27 09:59:48,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:48" (1/1) ... [2019-11-27 09:59:48,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:59:48" (1/1) ... [2019-11-27 09:59:48,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:59:48,503 INFO L168 Benchmark]: Toolchain (without parser) took 649.13 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.9 MB in the end (delta: -35.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:59:48,506 INFO L168 Benchmark]: CDTParser took 0.39 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 09:59:48,510 INFO L168 Benchmark]: CACSL2BoogieTranslator took 471.21 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 09:59:48,513 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.44 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 996.9 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:59:48,516 INFO L168 Benchmark]: Boogie Preprocessor took 27.31 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:59:48,526 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 471.21 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 133.44 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 996.9 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 27.31 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 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...