./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_20-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/fibo_20-1.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 cea72d4d3a1fecd3ec62f7958af7c737a208f292 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_20-1.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 cea72d4d3a1fecd3ec62f7958af7c737a208f292 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:12:00,916 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:00,922 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:00,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:00,959 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:00,963 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:00,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:00,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:00,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:00,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:01,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:01,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:01,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:01,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:01,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:01,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:01,025 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:01,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:01,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:01,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:01,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:01,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:01,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:01,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:01,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:01,073 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:01,073 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:01,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:01,080 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:01,081 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:01,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:01,085 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:01,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:01,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:01,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:01,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:01,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:01,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:01,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:01,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:01,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:01,110 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:12:01,153 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:01,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:01,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:01,160 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:01,161 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:01,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:01,163 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:01,163 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:12:01,164 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:01,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:01,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:01,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:01,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:01,168 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:01,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:01,171 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:01,171 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:01,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:01,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:01,172 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:01,172 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:01,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:01,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:01,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:01,177 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:01,177 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:12:01,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:12:01,178 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:01,178 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 -> cea72d4d3a1fecd3ec62f7958af7c737a208f292 [2019-11-26 17:12:01,736 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:01,767 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:01,776 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:01,782 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:01,783 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:01,785 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_20-1.c [2019-11-26 17:12:01,950 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0fcde725/0a529b068cff4212bf41cf809ba5777f/FLAG4b6b075cf [2019-11-26 17:12:02,956 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:02,960 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_20-1.c [2019-11-26 17:12:02,976 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0fcde725/0a529b068cff4212bf41cf809ba5777f/FLAG4b6b075cf [2019-11-26 17:12:03,019 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0fcde725/0a529b068cff4212bf41cf809ba5777f [2019-11-26 17:12:03,028 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:03,034 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:03,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:03,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:03,044 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:03,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:03" (1/1) ... [2019-11-26 17:12:03,054 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 26.11 05:12:03, skipping insertion in model container [2019-11-26 17:12:03,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:03" (1/1) ... [2019-11-26 17:12:03,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:03,121 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:03,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:03,548 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:03,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:03,623 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:03,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:03 WrapperNode [2019-11-26 17:12:03,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:03,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:03,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:03,632 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:03,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:03" (1/1) ... [2019-11-26 17:12:03,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:03" (1/1) ... [2019-11-26 17:12:03,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:03,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:03,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:03,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:03,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:03" (1/1) ... [2019-11-26 17:12:03,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:03" (1/1) ... [2019-11-26 17:12:03,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:03" (1/1) ... [2019-11-26 17:12:03,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:03" (1/1) ... [2019-11-26 17:12:03,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:03" (1/1) ... [2019-11-26 17:12:03,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:03" (1/1) ... [2019-11-26 17:12:03,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:03" (1/1) ... [2019-11-26 17:12:03,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:03,862 INFO L168 Benchmark]: Toolchain (without parser) took 825.02 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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. [2019-11-26 17:12:03,866 INFO L168 Benchmark]: CDTParser took 0.89 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:03,870 INFO L168 Benchmark]: CACSL2BoogieTranslator took 593.99 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:03,872 INFO L168 Benchmark]: Boogie Procedure Inliner took 162.71 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 996.9 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:03,877 INFO L168 Benchmark]: Boogie Preprocessor took 52.96 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. [2019-11-26 17:12:03,888 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.89 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 593.99 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 162.71 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 996.9 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 52.96 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 0.1.24-025d5a2 [2019-11-26 17:12:07,820 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:07,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:07,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:07,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:07,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:07,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:07,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:07,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:07,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:07,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:07,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:07,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:07,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:07,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:07,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:07,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:07,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:07,938 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:07,947 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:07,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:07,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:07,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:07,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:07,982 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:07,984 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:07,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:07,988 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:07,989 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:07,993 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:07,995 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:07,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:08,002 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:08,004 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:08,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:08,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:08,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:08,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:08,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:08,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:08,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:08,022 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:12:08,061 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:08,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:08,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:08,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:08,069 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:08,070 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:08,070 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:08,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:08,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:08,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:08,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:08,075 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:08,075 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:12:08,076 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:12:08,076 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:08,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:08,078 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:08,078 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:08,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:08,079 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:08,081 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:08,081 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:08,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:08,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:08,084 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:08,084 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:08,084 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:12:08,085 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:12:08,085 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:08,085 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:12:08,087 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 -> cea72d4d3a1fecd3ec62f7958af7c737a208f292 [2019-11-26 17:12:08,732 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:08,766 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:08,772 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:08,777 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:08,780 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:08,784 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_20-1.c [2019-11-26 17:12:08,947 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be7eebff2/ae4db99771eb41b9992b612b1d7c8c6e/FLAG0b87be002 [2019-11-26 17:12:10,009 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:10,010 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_20-1.c [2019-11-26 17:12:10,025 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be7eebff2/ae4db99771eb41b9992b612b1d7c8c6e/FLAG0b87be002 [2019-11-26 17:12:10,066 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be7eebff2/ae4db99771eb41b9992b612b1d7c8c6e [2019-11-26 17:12:10,074 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:10,080 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:10,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:10,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:10,093 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:10,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:10" (1/1) ... [2019-11-26 17:12:10,104 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 26.11 05:12:10, skipping insertion in model container [2019-11-26 17:12:10,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:10" (1/1) ... [2019-11-26 17:12:10,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:10,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:10,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:10,619 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:10,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:10,690 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:10,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:10 WrapperNode [2019-11-26 17:12:10,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:10,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:10,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:10,696 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:10,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:10" (1/1) ... [2019-11-26 17:12:10,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:10" (1/1) ... [2019-11-26 17:12:10,870 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:10,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:10,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:10,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:10,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:10" (1/1) ... [2019-11-26 17:12:10,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:10" (1/1) ... [2019-11-26 17:12:10,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:10" (1/1) ... [2019-11-26 17:12:10,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:10" (1/1) ... [2019-11-26 17:12:10,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:10" (1/1) ... [2019-11-26 17:12:10,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:10" (1/1) ... [2019-11-26 17:12:10,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:10" (1/1) ... [2019-11-26 17:12:10,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:10,935 INFO L168 Benchmark]: Toolchain (without parser) took 850.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:10,937 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:10,941 INFO L168 Benchmark]: CACSL2BoogieTranslator took 611.10 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:10,945 INFO L168 Benchmark]: Boogie Procedure Inliner took 175.53 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:10,946 INFO L168 Benchmark]: Boogie Preprocessor took 56.11 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:10,958 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 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 611.10 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 175.53 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 56.11 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...