./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_25-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/fibo_25-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6feb2d9df0581d47b74bce2be80636ed1d300948 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_25-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6feb2d9df0581d47b74bce2be80636ed1d300948 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:21:29,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:29,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:29,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:29,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:29,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:29,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:29,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:29,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:29,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:29,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:29,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:29,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:29,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:29,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:29,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:29,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:29,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:29,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:29,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:29,966 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:29,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:29,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:29,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:29,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:29,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:29,991 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:29,993 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:29,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:29,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:30,001 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:30,002 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:30,003 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:30,007 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:30,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:30,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:30,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:30,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:30,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:30,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:30,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:30,020 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:21:30,061 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:30,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:30,067 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:30,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:30,070 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:30,070 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:30,071 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:30,071 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:21:30,073 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:30,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:30,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:30,075 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:30,075 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:30,078 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:30,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:30,079 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:30,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:30,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:30,080 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:30,083 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:30,083 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:30,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:30,084 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:30,084 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:30,085 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:30,085 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:21:30,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:21:30,088 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:30,088 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 -> 6feb2d9df0581d47b74bce2be80636ed1d300948 [2019-11-27 16:21:30,738 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:30,768 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:30,777 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:30,781 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:30,784 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:30,788 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_25-2.c [2019-11-27 16:21:30,963 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b39159072/db02a451ab1e42fa98ec273b95fc7dd2/FLAG60c01aada [2019-11-27 16:21:32,055 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:32,060 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_25-2.c [2019-11-27 16:21:32,074 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b39159072/db02a451ab1e42fa98ec273b95fc7dd2/FLAG60c01aada [2019-11-27 16:21:32,114 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b39159072/db02a451ab1e42fa98ec273b95fc7dd2 [2019-11-27 16:21:32,121 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:32,124 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:32,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:32,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:32,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:32,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:32" (1/1) ... [2019-11-27 16:21:32,148 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 04:21:32, skipping insertion in model container [2019-11-27 16:21:32,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:32" (1/1) ... [2019-11-27 16:21:32,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:32,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:32,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:32,642 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:21:32,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:32,696 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:21:32,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:32 WrapperNode [2019-11-27 16:21:32,698 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:32,705 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:32,706 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:21:32,706 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:21:32,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:32" (1/1) ... [2019-11-27 16:21:32,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:32" (1/1) ... [2019-11-27 16:21:32,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:32,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:21:32,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:21:32,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:21:32,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:32" (1/1) ... [2019-11-27 16:21:32,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:32" (1/1) ... [2019-11-27 16:21:32,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:32" (1/1) ... [2019-11-27 16:21:32,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:32" (1/1) ... [2019-11-27 16:21:32,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:32" (1/1) ... [2019-11-27 16:21:32,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:32" (1/1) ... [2019-11-27 16:21:32,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:32" (1/1) ... [2019-11-27 16:21:32,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:21:32,896 INFO L168 Benchmark]: Toolchain (without parser) took 764.62 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 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:32,900 INFO L168 Benchmark]: CDTParser took 0.40 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 16:21:32,901 INFO L168 Benchmark]: CACSL2BoogieTranslator took 567.97 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:32,902 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.03 ms. Allocated memory is still 1.0 GB. Free memory is still 950.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:32,907 INFO L168 Benchmark]: Boogie Preprocessor took 123.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:32,919 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 567.97 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 55.03 ms. Allocated memory is still 1.0 GB. Free memory is still 950.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 123.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 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 16:21:36,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:36,980 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:37,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:37,019 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:37,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:37,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:37,043 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:37,047 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:37,056 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:37,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:37,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:37,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:37,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:37,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:37,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:37,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:37,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:37,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:37,099 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:37,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:37,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:37,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:37,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:37,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:37,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:37,131 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:37,133 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:37,135 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:37,136 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:37,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:37,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:37,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:37,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:37,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:37,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:37,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:37,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:37,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:37,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:37,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:37,161 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:21:37,202 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:37,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:37,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:37,210 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:37,212 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:37,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:37,215 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:37,215 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:37,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:37,216 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:37,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:37,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:37,218 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:21:37,218 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:21:37,220 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:37,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:37,220 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:37,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:37,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:37,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:37,224 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:37,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:37,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:37,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:37,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:37,229 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:37,229 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:21:37,230 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:21:37,230 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:37,230 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:21:37,232 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 -> 6feb2d9df0581d47b74bce2be80636ed1d300948 [2019-11-27 16:21:37,809 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:37,844 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:37,852 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:37,857 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:37,858 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:37,860 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_25-2.c [2019-11-27 16:21:38,030 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b64961a18/1f2bb1e162d74e3bb293e52c245fc4f5/FLAG7bcbf8a66 [2019-11-27 16:21:39,101 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:39,102 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_25-2.c [2019-11-27 16:21:39,114 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b64961a18/1f2bb1e162d74e3bb293e52c245fc4f5/FLAG7bcbf8a66 [2019-11-27 16:21:39,146 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b64961a18/1f2bb1e162d74e3bb293e52c245fc4f5 [2019-11-27 16:21:39,153 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:39,156 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:39,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:39,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:39,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:39,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:39" (1/1) ... [2019-11-27 16:21:39,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f8899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:39, skipping insertion in model container [2019-11-27 16:21:39,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:39" (1/1) ... [2019-11-27 16:21:39,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:39,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:39,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:39,700 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:21:39,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:39,778 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:21:39,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:39 WrapperNode [2019-11-27 16:21:39,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:39,784 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:39,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:21:39,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:21:39,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:39" (1/1) ... [2019-11-27 16:21:39,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:39" (1/1) ... [2019-11-27 16:21:39,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:39,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:21:39,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:21:39,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:21:39,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:39" (1/1) ... [2019-11-27 16:21:39,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:39" (1/1) ... [2019-11-27 16:21:39,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:39" (1/1) ... [2019-11-27 16:21:39,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:39" (1/1) ... [2019-11-27 16:21:39,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:39" (1/1) ... [2019-11-27 16:21:39,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:39" (1/1) ... [2019-11-27 16:21:39,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:39" (1/1) ... [2019-11-27 16:21:39,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:21:40,014 INFO L168 Benchmark]: Toolchain (without parser) took 842.23 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. [2019-11-27 16:21:40,018 INFO L168 Benchmark]: CDTParser took 1.67 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:21:40,021 INFO L168 Benchmark]: CACSL2BoogieTranslator took 622.61 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:40,026 INFO L168 Benchmark]: Boogie Procedure Inliner took 168.12 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. [2019-11-27 16:21:40,027 INFO L168 Benchmark]: Boogie Preprocessor took 43.73 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. [2019-11-27 16:21:40,038 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.67 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 622.61 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 168.12 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 43.73 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...