./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id_i5_o5-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/id_i5_o5-1.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 bd8a40b9ab0ccbf5be4fcc211d81cb04996473fb ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/id_i5_o5-1.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 bd8a40b9ab0ccbf5be4fcc211d81cb04996473fb ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 10:00:02,715 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:00:02,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:00:02,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:00:02,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:00:02,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:00:02,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:00:02,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:00:02,791 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:00:02,798 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:00:02,800 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:00:02,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:00:02,805 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:00:02,810 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:00:02,814 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:00:02,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:00:02,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:00:02,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:00:02,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:00:02,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:00:02,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:00:02,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:00:02,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:00:02,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:00:02,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:00:02,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:00:02,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:00:02,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:00:02,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:00:02,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:00:02,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:00:02,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:00:02,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:00:02,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:00:02,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:00:02,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:00:02,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:00:02,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:00:02,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:00:02,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:00:02,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:00:02,911 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:00:02,951 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:00:02,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:00:02,957 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:00:02,958 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:00:02,961 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:00:02,961 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:00:02,962 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:00:02,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:00:02,962 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:00:02,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:00:02,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:00:02,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:00:02,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:00:02,966 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:00:02,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:00:02,967 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:00:02,970 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:00:02,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:00:02,971 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:00:02,971 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:00:02,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:00:02,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:00:02,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:00:02,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:00:02,975 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:00:02,975 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:00:02,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:00:02,976 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:00:02,976 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 -> bd8a40b9ab0ccbf5be4fcc211d81cb04996473fb [2019-11-27 10:00:03,624 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:00:03,657 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:00:03,664 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:00:03,667 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:00:03,669 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:00:03,673 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_i5_o5-1.c [2019-11-27 10:00:03,834 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/861032f37/43cd50b01f8a41a1a16990772f1111c6/FLAG90d3bfa3a [2019-11-27 10:00:04,892 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:00:04,895 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i5_o5-1.c [2019-11-27 10:00:04,911 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/861032f37/43cd50b01f8a41a1a16990772f1111c6/FLAG90d3bfa3a [2019-11-27 10:00:04,949 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/861032f37/43cd50b01f8a41a1a16990772f1111c6 [2019-11-27 10:00:04,957 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:00:04,963 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:00:04,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:04,969 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:00:04,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:00:04,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:04" (1/1) ... [2019-11-27 10:00:04,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f01879f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:04, skipping insertion in model container [2019-11-27 10:00:04,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:04" (1/1) ... [2019-11-27 10:00:05,006 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:00:05,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:00:05,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:05,449 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:00:05,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:05,511 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:00:05,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:05 WrapperNode [2019-11-27 10:00:05,518 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:05,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:05,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:00:05,522 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:00:05,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:05" (1/1) ... [2019-11-27 10:00:05,555 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:05" (1/1) ... [2019-11-27 10:00:05,598 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:05,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:00:05,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:00:05,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:00:05,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:05" (1/1) ... [2019-11-27 10:00:05,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:05" (1/1) ... [2019-11-27 10:00:05,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:05" (1/1) ... [2019-11-27 10:00:05,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:05" (1/1) ... [2019-11-27 10:00:05,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:05" (1/1) ... [2019-11-27 10:00:05,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:05" (1/1) ... [2019-11-27 10:00:05,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:05" (1/1) ... [2019-11-27 10:00:05,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:00:05,739 INFO L168 Benchmark]: Toolchain (without parser) took 772.07 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 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 10:00:05,744 INFO L168 Benchmark]: CDTParser took 0.43 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 10:00:05,746 INFO L168 Benchmark]: CACSL2BoogieTranslator took 554.05 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 10:00:05,751 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.20 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 10:00:05,755 INFO L168 Benchmark]: Boogie Preprocessor took 127.32 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 10:00:05,766 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 554.05 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 79.20 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 127.32 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-da95e15 [2019-11-27 10:00:09,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:00:09,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:00:09,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:00:09,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:00:09,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:00:09,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:00:09,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:00:09,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:00:09,728 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:00:09,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:00:09,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:00:09,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:00:09,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:00:09,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:00:09,750 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:00:09,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:00:09,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:00:09,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:00:09,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:00:09,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:00:09,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:00:09,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:00:09,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:00:09,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:00:09,799 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:00:09,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:00:09,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:00:09,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:00:09,808 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:00:09,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:00:09,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:00:09,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:00:09,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:00:09,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:00:09,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:00:09,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:00:09,825 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:00:09,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:00:09,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:00:09,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:00:09,837 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:00:09,879 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:00:09,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:00:09,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:00:09,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:00:09,890 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:00:09,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:00:09,891 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:00:09,891 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:00:09,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:00:09,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:00:09,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:00:09,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:00:09,894 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:00:09,896 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:00:09,897 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:00:09,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:00:09,897 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:00:09,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:00:09,898 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:00:09,898 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:00:09,899 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:00:09,899 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:00:09,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:00:09,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:00:09,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:00:09,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:00:09,902 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:00:09,904 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:00:09,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:00:09,904 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:00:09,906 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 -> bd8a40b9ab0ccbf5be4fcc211d81cb04996473fb [2019-11-27 10:00:10,609 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:00:10,639 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:00:10,647 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:00:10,655 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:00:10,656 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:00:10,657 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_i5_o5-1.c [2019-11-27 10:00:10,820 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbf2a6073/f9706d4c43414038b6ab07212f2d64af/FLAGee29fdf1b [2019-11-27 10:00:11,889 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:00:11,896 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i5_o5-1.c [2019-11-27 10:00:11,910 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbf2a6073/f9706d4c43414038b6ab07212f2d64af/FLAGee29fdf1b [2019-11-27 10:00:11,947 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbf2a6073/f9706d4c43414038b6ab07212f2d64af [2019-11-27 10:00:11,956 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:00:11,959 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:00:11,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:11,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:00:11,973 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:00:11,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:11" (1/1) ... [2019-11-27 10:00:11,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d549e80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:11, skipping insertion in model container [2019-11-27 10:00:11,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:11" (1/1) ... [2019-11-27 10:00:12,006 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:00:12,040 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:00:12,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:12,437 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:00:12,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:12,489 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:00:12,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:12 WrapperNode [2019-11-27 10:00:12,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:12,498 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:12,498 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:00:12,498 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:00:12,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:12" (1/1) ... [2019-11-27 10:00:12,595 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:12" (1/1) ... [2019-11-27 10:00:12,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:12,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:00:12,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:00:12,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:00:12,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:12" (1/1) ... [2019-11-27 10:00:12,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:12" (1/1) ... [2019-11-27 10:00:12,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:12" (1/1) ... [2019-11-27 10:00:12,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:12" (1/1) ... [2019-11-27 10:00:12,674 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:12" (1/1) ... [2019-11-27 10:00:12,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:12" (1/1) ... [2019-11-27 10:00:12,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:12" (1/1) ... [2019-11-27 10:00:12,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:00:12,685 INFO L168 Benchmark]: Toolchain (without parser) took 723.55 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 997.0 MB in the end (delta: -36.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:12,688 INFO L168 Benchmark]: CDTParser took 0.41 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 10:00:12,699 INFO L168 Benchmark]: CACSL2BoogieTranslator took 528.92 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:12,703 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.63 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:12,705 INFO L168 Benchmark]: Boogie Preprocessor took 39.73 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 10:00:12,721 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 528.92 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.8 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 142.63 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 39.73 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...