./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_15-1.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_15-1.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 e276c1695adb4f8d30ce6cf27956cb3af3968bc9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_15-1.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 e276c1695adb4f8d30ce6cf27956cb3af3968bc9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 16:21:28,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:28,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:28,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:28,829 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:28,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:28,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:28,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:28,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:28,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:28,866 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:28,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:28,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:28,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:28,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:28,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:28,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:28,896 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:28,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:28,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:28,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:28,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:28,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:28,938 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:28,945 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:28,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:28,947 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:28,951 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:28,952 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:28,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:28,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:28,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:28,960 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:28,964 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:28,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:28,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:28,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:28,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:28,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:28,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:28,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:28,980 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:21:29,023 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:29,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:29,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:29,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:29,035 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:29,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:29,035 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:29,036 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:21:29,036 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:29,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:29,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:29,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:29,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:29,039 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:29,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:29,040 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:29,042 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:29,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:29,042 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:29,043 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:29,043 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:29,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:29,045 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:29,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:29,045 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:29,047 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:21:29,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:21:29,047 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:29,050 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 -> e276c1695adb4f8d30ce6cf27956cb3af3968bc9 [2019-11-27 16:21:29,614 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:29,643 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:29,651 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:29,654 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:29,660 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:29,661 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_15-1.c [2019-11-27 16:21:29,830 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d02419f41/58e12bf771ad49359f42908f64583755/FLAGcbb9df869 [2019-11-27 16:21:30,834 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:30,837 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_15-1.c [2019-11-27 16:21:30,851 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d02419f41/58e12bf771ad49359f42908f64583755/FLAGcbb9df869 [2019-11-27 16:21:30,889 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d02419f41/58e12bf771ad49359f42908f64583755 [2019-11-27 16:21:30,899 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:30,901 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:30,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:30,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:30,916 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:30,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:30" (1/1) ... [2019-11-27 16:21:30,927 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 04:21:30, skipping insertion in model container [2019-11-27 16:21:30,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:30" (1/1) ... [2019-11-27 16:21:30,947 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:30,989 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:31,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:31,424 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:21:31,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:31,491 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:21:31,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:31 WrapperNode [2019-11-27 16:21:31,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:31,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:31,502 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:21:31,505 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:21:31,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:31" (1/1) ... [2019-11-27 16:21:31,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:31" (1/1) ... [2019-11-27 16:21:31,591 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:31,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:21:31,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:21:31,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:21:31,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:31" (1/1) ... [2019-11-27 16:21:31,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:31" (1/1) ... [2019-11-27 16:21:31,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:31" (1/1) ... [2019-11-27 16:21:31,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:31" (1/1) ... [2019-11-27 16:21:31,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:31" (1/1) ... [2019-11-27 16:21:31,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:31" (1/1) ... [2019-11-27 16:21:31,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:31" (1/1) ... [2019-11-27 16:21:31,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:21:31,734 INFO L168 Benchmark]: Toolchain (without parser) took 824.04 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 16:21:31,736 INFO L168 Benchmark]: CDTParser took 0.42 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 16:21:31,739 INFO L168 Benchmark]: CACSL2BoogieTranslator took 588.42 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 16:21:31,741 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.83 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 16:21:31,746 INFO L168 Benchmark]: Boogie Preprocessor took 128.38 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 16:21:31,759 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 588.42 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 92.83 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 128.38 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 16:21:35,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:21:35,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:21:35,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:21:35,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:21:35,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:21:35,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:21:35,724 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:21:35,734 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:21:35,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:21:35,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:21:35,748 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:21:35,748 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:21:35,753 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:21:35,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:21:35,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:21:35,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:21:35,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:21:35,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:21:35,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:21:35,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:21:35,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:21:35,796 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:21:35,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:21:35,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:21:35,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:21:35,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:21:35,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:21:35,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:21:35,817 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:21:35,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:21:35,822 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:21:35,823 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:21:35,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:21:35,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:21:35,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:21:35,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:21:35,833 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:21:35,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:21:35,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:21:35,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:21:35,842 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:21:35,898 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:21:35,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:21:35,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:21:35,904 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:21:35,904 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:21:35,904 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:21:35,907 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:21:35,909 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:21:35,909 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:21:35,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:21:35,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:21:35,910 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:21:35,910 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:21:35,913 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:21:35,913 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:21:35,913 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:21:35,914 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:21:35,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:21:35,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:21:35,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:21:35,918 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:21:35,918 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:21:35,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:21:35,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:21:35,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:21:35,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:21:35,920 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:21:35,921 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:21:35,922 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:21:35,922 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:21:35,925 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 -> e276c1695adb4f8d30ce6cf27956cb3af3968bc9 [2019-11-27 16:21:36,491 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:21:36,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:21:36,543 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:21:36,552 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:21:36,553 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:21:36,555 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_15-1.c [2019-11-27 16:21:36,737 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e0cf8885/d4929f565b16408eb67a6bc6554dbc19/FLAGf5e0984b3 [2019-11-27 16:21:37,732 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:21:37,735 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_15-1.c [2019-11-27 16:21:37,750 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e0cf8885/d4929f565b16408eb67a6bc6554dbc19/FLAGf5e0984b3 [2019-11-27 16:21:37,787 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e0cf8885/d4929f565b16408eb67a6bc6554dbc19 [2019-11-27 16:21:37,795 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:21:37,800 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:21:37,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:37,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:21:37,816 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:21:37,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:37" (1/1) ... [2019-11-27 16:21:37,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3467d82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:37, skipping insertion in model container [2019-11-27 16:21:37,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:21:37" (1/1) ... [2019-11-27 16:21:37,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:21:37,891 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:21:38,317 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:38,338 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:21:38,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:21:38,396 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:21:38,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:38 WrapperNode [2019-11-27 16:21:38,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:21:38,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:38,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:21:38,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:21:38,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:38" (1/1) ... [2019-11-27 16:21:38,443 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:38" (1/1) ... [2019-11-27 16:21:38,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:21:38,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:21:38,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:21:38,572 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:21:38,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:38" (1/1) ... [2019-11-27 16:21:38,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:38" (1/1) ... [2019-11-27 16:21:38,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:38" (1/1) ... [2019-11-27 16:21:38,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:38" (1/1) ... [2019-11-27 16:21:38,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:38" (1/1) ... [2019-11-27 16:21:38,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:38" (1/1) ... [2019-11-27 16:21:38,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:21:38" (1/1) ... [2019-11-27 16:21:38,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:21:38,637 INFO L168 Benchmark]: Toolchain (without parser) took 829.99 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 16:21:38,640 INFO L168 Benchmark]: CDTParser took 2.91 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 16:21:38,641 INFO L168 Benchmark]: CACSL2BoogieTranslator took 592.43 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 16:21:38,646 INFO L168 Benchmark]: Boogie Procedure Inliner took 166.88 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: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:21:38,648 INFO L168 Benchmark]: Boogie Preprocessor took 54.72 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 16:21:38,661 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.91 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 592.43 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 166.88 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: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 54.72 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...