./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id_i25_o25-2.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_i25_o25-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a544811fe2a74801350302afc46fb67e1c6f238a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_o25-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a544811fe2a74801350302afc46fb67e1c6f238a .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:00:01,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:00:01,859 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:00:01,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:00:01,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:00:01,898 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:00:01,905 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:00:01,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:00:01,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:00:01,930 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:00:01,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:00:01,939 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:00:01,940 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:00:01,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:00:01,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:00:01,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:00:01,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:00:01,960 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:00:01,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:00:01,977 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:00:01,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:00:01,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:00:01,992 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:00:01,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:00:02,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:00:02,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:00:02,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:00:02,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:00:02,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:00:02,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:00:02,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:00:02,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:00:02,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:00:02,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:00:02,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:00:02,029 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:00:02,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:00:02,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:00:02,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:00:02,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:00:02,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:00:02,040 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:00:02,080 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:00:02,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:00:02,086 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:00:02,087 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:00:02,087 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:00:02,088 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:00:02,090 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:00:02,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:00:02,090 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:00:02,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:00:02,092 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:00:02,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:00:02,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:00:02,095 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:00:02,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:00:02,096 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:00:02,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:00:02,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:00:02,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:00:02,097 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:00:02,100 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:00:02,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:00:02,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:00:02,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:00:02,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:00:02,101 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:00:02,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:00:02,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:00:02,103 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 -> a544811fe2a74801350302afc46fb67e1c6f238a [2019-11-27 10:00:02,728 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:00:02,757 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:00:02,763 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:00:02,769 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:00:02,770 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:00:02,771 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_i25_o25-2.c [2019-11-27 10:00:02,928 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d54cc9c7/8c3b0065b9bd4ed6a579deb60c2ef0a1/FLAG1ebbd7c65 [2019-11-27 10:00:03,955 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:00:03,960 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i25_o25-2.c [2019-11-27 10:00:03,975 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d54cc9c7/8c3b0065b9bd4ed6a579deb60c2ef0a1/FLAG1ebbd7c65 [2019-11-27 10:00:04,013 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d54cc9c7/8c3b0065b9bd4ed6a579deb60c2ef0a1 [2019-11-27 10:00:04,021 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:00:04,026 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:00:04,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:04,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:00:04,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:00:04,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:04" (1/1) ... [2019-11-27 10:00:04,054 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 27.11 10:00:04, skipping insertion in model container [2019-11-27 10:00:04,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:04" (1/1) ... [2019-11-27 10:00:04,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:00:04,119 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:00:04,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:04,561 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:00:04,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:04,600 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:00:04,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:04 WrapperNode [2019-11-27 10:00:04,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:04,617 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:04,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:00:04,618 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:00:04,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:04" (1/1) ... [2019-11-27 10:00:04,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:04" (1/1) ... [2019-11-27 10:00:04,698 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:04,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:00:04,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:00:04,701 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:00:04,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:04" (1/1) ... [2019-11-27 10:00:04,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:04" (1/1) ... [2019-11-27 10:00:04,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:04" (1/1) ... [2019-11-27 10:00:04,877 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:04" (1/1) ... [2019-11-27 10:00:04,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:04" (1/1) ... [2019-11-27 10:00:04,887 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:04" (1/1) ... [2019-11-27 10:00:04,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:04" (1/1) ... [2019-11-27 10:00:04,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:00:04,907 INFO L168 Benchmark]: Toolchain (without parser) took 869.45 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 10:00:04,909 INFO L168 Benchmark]: CDTParser took 2.49 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. [2019-11-27 10:00:04,915 INFO L168 Benchmark]: CACSL2BoogieTranslator took 571.86 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 10:00:04,916 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.80 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 10:00:04,922 INFO L168 Benchmark]: Boogie Preprocessor took 191.61 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 10:00:04,934 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.49 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 571.86 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 83.80 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 191.61 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 10:00:08,758 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:00:08,765 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:00:08,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:00:08,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:00:08,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:00:08,808 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:00:08,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:00:08,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:00:08,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:00:08,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:00:08,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:00:08,846 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:00:08,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:00:08,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:00:08,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:00:08,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:00:08,868 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:00:08,872 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:00:08,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:00:08,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:00:08,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:00:08,903 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:00:08,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:00:08,914 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:00:08,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:00:08,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:00:08,920 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:00:08,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:00:08,923 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:00:08,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:00:08,927 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:00:08,928 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:00:08,934 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:00:08,935 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:00:08,938 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:00:08,940 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:00:08,940 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:00:08,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:00:08,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:00:08,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:00:08,949 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:00:08,990 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:00:08,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:00:08,996 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:00:08,996 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:00:08,997 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:00:08,997 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:00:08,998 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:00:08,998 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:00:09,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:00:09,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:00:09,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:00:09,002 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:00:09,002 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:00:09,005 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:00:09,005 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:00:09,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:00:09,006 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:00:09,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:00:09,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:00:09,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:00:09,007 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:00:09,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:00:09,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:00:09,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:00:09,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:00:09,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:00:09,010 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:00:09,011 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:00:09,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:00:09,012 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:00:09,013 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 -> a544811fe2a74801350302afc46fb67e1c6f238a [2019-11-27 10:00:09,564 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:00:09,592 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:00:09,599 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:00:09,604 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:00:09,607 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:00:09,609 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_i25_o25-2.c [2019-11-27 10:00:09,763 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8c98863a/22d4eb2de7c44a899da1b0d6f3f4734c/FLAG933f46694 [2019-11-27 10:00:10,804 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:00:10,809 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i25_o25-2.c [2019-11-27 10:00:10,824 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8c98863a/22d4eb2de7c44a899da1b0d6f3f4734c/FLAG933f46694 [2019-11-27 10:00:10,863 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8c98863a/22d4eb2de7c44a899da1b0d6f3f4734c [2019-11-27 10:00:10,874 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:00:10,876 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:00:10,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:10,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:00:10,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:00:10,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:10" (1/1) ... [2019-11-27 10:00:10,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa44881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:10, skipping insertion in model container [2019-11-27 10:00:10,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:10" (1/1) ... [2019-11-27 10:00:10,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:00:10,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:00:11,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:11,404 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:00:11,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:11,462 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:00:11,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:11 WrapperNode [2019-11-27 10:00:11,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:11,478 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:11,481 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:00:11,481 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:00:11,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:11" (1/1) ... [2019-11-27 10:00:11,631 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:11" (1/1) ... [2019-11-27 10:00:11,675 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:11,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:00:11,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:00:11,679 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:00:11,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:11" (1/1) ... [2019-11-27 10:00:11,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:11" (1/1) ... [2019-11-27 10:00:11,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:11" (1/1) ... [2019-11-27 10:00:11,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:11" (1/1) ... [2019-11-27 10:00:11,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:11" (1/1) ... [2019-11-27 10:00:11,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:11" (1/1) ... [2019-11-27 10:00:11,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:11" (1/1) ... [2019-11-27 10:00:11,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:00:11,740 INFO L168 Benchmark]: Toolchain (without parser) took 856.67 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 10:00:11,742 INFO L168 Benchmark]: CDTParser took 0.37 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 10:00:11,747 INFO L168 Benchmark]: CACSL2BoogieTranslator took 583.87 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 10:00:11,750 INFO L168 Benchmark]: Boogie Procedure Inliner took 200.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:11,753 INFO L168 Benchmark]: Boogie Preprocessor took 49.54 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 10:00:11,765 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 583.87 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 200.00 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 49.54 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...