./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id_i25_o25-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/id_i25_o25-1.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 980109aaf5797fcdc56688cd1127831babfd66a2 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_i25_o25-1.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 980109aaf5797fcdc56688cd1127831babfd66a2 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:12:22,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:22,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:22,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:22,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:22,779 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:22,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:22,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:22,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:22,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:22,813 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:22,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:22,819 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:22,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:22,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:22,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:22,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:22,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:22,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:22,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:22,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:22,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:22,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:22,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:22,874 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:22,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:22,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:22,880 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:22,881 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:22,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:22,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:22,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:22,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:22,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:22,893 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:22,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:22,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:22,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:22,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:22,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:22,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:22,905 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:12:22,956 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:22,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:22,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:22,968 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:22,968 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:22,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:22,969 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:22,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:12:22,971 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:22,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:22,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:22,973 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:22,973 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:22,974 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:22,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:22,976 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:22,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:22,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:22,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:22,978 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:22,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:22,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:22,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:22,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:22,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:22,981 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:12:22,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:12:22,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:22,984 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 -> 980109aaf5797fcdc56688cd1127831babfd66a2 [2019-11-26 17:12:23,554 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:23,582 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:23,591 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:23,596 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:23,597 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:23,599 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_i25_o25-1.c [2019-11-26 17:12:23,764 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d51e2ae6/66db7b39d90344a987761816cfbd3084/FLAGd29fee84d [2019-11-26 17:12:24,797 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:24,801 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i25_o25-1.c [2019-11-26 17:12:24,815 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d51e2ae6/66db7b39d90344a987761816cfbd3084/FLAGd29fee84d [2019-11-26 17:12:24,858 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d51e2ae6/66db7b39d90344a987761816cfbd3084 [2019-11-26 17:12:24,868 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:24,873 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:24,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:24,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:24,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:24,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:24" (1/1) ... [2019-11-26 17:12:24,910 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 26.11 05:12:24, skipping insertion in model container [2019-11-26 17:12:24,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:24" (1/1) ... [2019-11-26 17:12:24,931 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:24,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:25,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:25,417 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:25,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:25,471 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:25,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:25 WrapperNode [2019-11-26 17:12:25,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:25,481 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:25,481 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:25,481 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:25,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:25" (1/1) ... [2019-11-26 17:12:25,498 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:25" (1/1) ... [2019-11-26 17:12:25,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:25,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:25,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:25,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:25,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:25" (1/1) ... [2019-11-26 17:12:25,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:25" (1/1) ... [2019-11-26 17:12:25,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:25" (1/1) ... [2019-11-26 17:12:25,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:25" (1/1) ... [2019-11-26 17:12:25,649 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:25" (1/1) ... [2019-11-26 17:12:25,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:25" (1/1) ... [2019-11-26 17:12:25,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:25" (1/1) ... [2019-11-26 17:12:25,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:25,672 INFO L168 Benchmark]: Toolchain (without parser) took 786.32 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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. [2019-11-26 17:12:25,676 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:25,679 INFO L168 Benchmark]: CACSL2BoogieTranslator took 594.10 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:25,681 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.32 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. [2019-11-26 17:12:25,687 INFO L168 Benchmark]: Boogie Preprocessor took 119.19 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. [2019-11-26 17:12:25,697 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 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 594.10 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 54.32 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 119.19 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 0.1.24-025d5a2 [2019-11-26 17:12:29,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:12:29,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:12:29,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:12:29,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:12:29,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:12:29,557 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:12:29,578 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:12:29,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:12:29,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:12:29,593 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:12:29,597 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:12:29,600 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:12:29,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:12:29,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:12:29,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:12:29,616 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:12:29,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:12:29,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:12:29,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:12:29,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:12:29,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:12:29,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:12:29,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:12:29,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:12:29,662 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:12:29,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:12:29,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:12:29,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:12:29,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:12:29,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:12:29,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:12:29,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:12:29,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:12:29,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:12:29,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:12:29,684 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:12:29,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:12:29,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:12:29,689 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:12:29,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:12:29,694 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:12:29,731 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:12:29,733 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:12:29,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:12:29,739 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:12:29,739 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:12:29,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:12:29,740 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:12:29,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:12:29,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:12:29,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:12:29,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:12:29,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:12:29,746 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:12:29,746 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:12:29,746 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:12:29,748 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:12:29,748 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:12:29,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:12:29,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:12:29,750 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:12:29,751 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:12:29,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:12:29,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:12:29,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:12:29,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:12:29,753 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:12:29,755 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:12:29,755 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:12:29,756 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:12:29,758 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:12:29,759 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 -> 980109aaf5797fcdc56688cd1127831babfd66a2 [2019-11-26 17:12:30,317 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:12:30,348 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:12:30,355 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:12:30,362 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:12:30,362 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:12:30,367 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_i25_o25-1.c [2019-11-26 17:12:30,523 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2ed4833f/6bb5e52ee5674a19a167593948bd0ef2/FLAG089b5ae16 [2019-11-26 17:12:31,552 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:12:31,553 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i25_o25-1.c [2019-11-26 17:12:31,570 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2ed4833f/6bb5e52ee5674a19a167593948bd0ef2/FLAG089b5ae16 [2019-11-26 17:12:31,605 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2ed4833f/6bb5e52ee5674a19a167593948bd0ef2 [2019-11-26 17:12:31,616 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:12:31,622 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:12:31,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:31,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:12:31,634 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:12:31,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:31" (1/1) ... [2019-11-26 17:12:31,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d465a67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:31, skipping insertion in model container [2019-11-26 17:12:31,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:12:31" (1/1) ... [2019-11-26 17:12:31,663 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:12:31,707 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:12:32,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:32,129 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:12:32,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:12:32,176 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:12:32,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:32 WrapperNode [2019-11-26 17:12:32,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:12:32,186 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:32,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:12:32,187 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:12:32,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:32" (1/1) ... [2019-11-26 17:12:32,289 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:32" (1/1) ... [2019-11-26 17:12:32,333 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:12:32,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:12:32,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:12:32,337 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:12:32,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:32" (1/1) ... [2019-11-26 17:12:32,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:32" (1/1) ... [2019-11-26 17:12:32,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:32" (1/1) ... [2019-11-26 17:12:32,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:32" (1/1) ... [2019-11-26 17:12:32,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:32" (1/1) ... [2019-11-26 17:12:32,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:32" (1/1) ... [2019-11-26 17:12:32,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:12:32" (1/1) ... [2019-11-26 17:12:32,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:12:32,397 INFO L168 Benchmark]: Toolchain (without parser) took 774.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:32,403 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:32,405 INFO L168 Benchmark]: CACSL2BoogieTranslator took 554.19 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:32,408 INFO L168 Benchmark]: Boogie Procedure Inliner took 149.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:12:32,411 INFO L168 Benchmark]: Boogie Preprocessor took 51.05 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:12:32,424 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 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 554.19 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 149.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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 51.05 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...