./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem05_label20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem05_label20.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 b68303e31754e40374aa4669479e5e1b634b2929 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/eca-rers2012/Problem05_label20.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 b68303e31754e40374aa4669479e5e1b634b2929 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 15:45:15,650 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:45:15,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:45:15,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:45:15,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:45:15,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:45:15,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:45:15,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:45:15,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:45:15,725 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:45:15,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:45:15,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:45:15,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:45:15,743 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:45:15,745 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:45:15,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:45:15,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:45:15,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:45:15,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:45:15,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:45:15,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:45:15,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:45:15,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:45:15,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:45:15,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:45:15,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:45:15,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:45:15,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:45:15,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:45:15,817 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:45:15,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:45:15,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:45:15,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:45:15,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:45:15,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:45:15,828 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:45:15,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:45:15,833 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:45:15,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:45:15,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:45:15,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:45:15,839 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:45:15,878 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:45:15,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:45:15,882 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:45:15,884 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:45:15,884 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:45:15,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:45:15,885 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:45:15,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:45:15,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:45:15,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:45:15,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:45:15,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:45:15,891 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:45:15,891 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:45:15,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:45:15,892 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:45:15,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:45:15,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:45:15,895 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:45:15,896 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:45:15,896 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:45:15,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:45:15,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:45:15,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:45:15,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:45:15,897 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:45:15,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:45:15,900 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:45:15,900 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 -> b68303e31754e40374aa4669479e5e1b634b2929 [2019-11-27 15:45:16,453 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:45:16,483 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:45:16,490 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:45:16,495 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:45:16,495 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:45:16,497 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem05_label20.c [2019-11-27 15:45:16,656 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/184478e20/ac3ed6cce9d24108a2fb114e1d65028e/FLAG2ad683184 [2019-11-27 15:45:18,647 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:45:18,652 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem05_label20.c [2019-11-27 15:45:18,778 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/184478e20/ac3ed6cce9d24108a2fb114e1d65028e/FLAG2ad683184 [2019-11-27 15:45:18,819 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/184478e20/ac3ed6cce9d24108a2fb114e1d65028e [2019-11-27 15:45:18,825 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:45:18,827 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:45:18,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:45:18,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:45:18,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:45:18,847 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:45:18" (1/1) ... [2019-11-27 15:45:18,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15b6135e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:45:18, skipping insertion in model container [2019-11-27 15:45:18,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:45:18" (1/1) ... [2019-11-27 15:45:18,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:45:19,464 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:45:24,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:45:24,578 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:45:27,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:45:27,351 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:45:27,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:45:27 WrapperNode [2019-11-27 15:45:27,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:45:27,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:45:27,356 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:45:27,356 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:45:27,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:45:27" (1/1) ... [2019-11-27 15:45:27,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:45:27" (1/1) ... [2019-11-27 15:45:28,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:45:28,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:45:28,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:45:28,273 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:45:28,296 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:45:27" (1/1) ... [2019-11-27 15:45:28,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:45:27" (1/1) ... [2019-11-27 15:45:28,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:45:27" (1/1) ... [2019-11-27 15:45:28,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:45:27" (1/1) ... [2019-11-27 15:45:28,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:45:27" (1/1) ... [2019-11-27 15:45:28,910 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:45:27" (1/1) ... [2019-11-27 15:45:28,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:45:27" (1/1) ... [2019-11-27 15:45:29,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:45:29,132 INFO L168 Benchmark]: Toolchain (without parser) took 10298.72 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 932.9 MB in the beginning and 747.3 MB in the end (delta: 185.6 MB). Peak memory consumption was 185.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:45:29,135 INFO L168 Benchmark]: CDTParser took 0.31 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 15:45:29,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 8525.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 932.9 MB in the beginning and 888.6 MB in the end (delta: 44.3 MB). Peak memory consumption was 274.6 MB. Max. memory is 12.5 GB. [2019-11-27 15:45:29,141 INFO L168 Benchmark]: Boogie Procedure Inliner took 917.34 ms. Allocated memory is still 1.0 GB. Free memory was 888.6 MB in the beginning and 806.9 MB in the end (delta: 81.6 MB). Peak memory consumption was 81.6 MB. Max. memory is 12.5 GB. [2019-11-27 15:45:29,147 INFO L168 Benchmark]: Boogie Preprocessor took 850.00 ms. Allocated memory is still 1.0 GB. Free memory was 806.9 MB in the beginning and 747.3 MB in the end (delta: 59.7 MB). Peak memory consumption was 59.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:45:29,161 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 8525.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 932.9 MB in the beginning and 888.6 MB in the end (delta: 44.3 MB). Peak memory consumption was 274.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 917.34 ms. Allocated memory is still 1.0 GB. Free memory was 888.6 MB in the beginning and 806.9 MB in the end (delta: 81.6 MB). Peak memory consumption was 81.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 850.00 ms. Allocated memory is still 1.0 GB. Free memory was 806.9 MB in the beginning and 747.3 MB in the end (delta: 59.7 MB). Peak memory consumption was 59.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 15:45:33,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:45:33,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:45:33,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:45:33,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:45:33,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:45:33,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:45:33,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:45:33,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:45:33,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:45:33,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:45:33,117 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:45:33,118 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:45:33,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:45:33,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:45:33,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:45:33,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:45:33,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:45:33,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:45:33,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:45:33,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:45:33,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:45:33,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:45:33,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:45:33,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:45:33,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:45:33,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:45:33,191 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:45:33,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:45:33,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:45:33,197 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:45:33,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:45:33,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:45:33,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:45:33,207 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:45:33,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:45:33,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:45:33,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:45:33,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:45:33,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:45:33,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:45:33,219 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:45:33,260 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:45:33,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:45:33,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:45:33,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:45:33,268 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:45:33,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:45:33,272 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:45:33,272 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:45:33,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:45:33,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:45:33,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:45:33,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:45:33,275 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:45:33,275 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:45:33,276 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:45:33,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:45:33,276 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:45:33,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:45:33,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:45:33,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:45:33,280 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:45:33,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:45:33,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:45:33,281 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:45:33,281 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:45:33,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:45:33,284 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:45:33,284 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:45:33,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:45:33,285 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:45:33,286 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 -> b68303e31754e40374aa4669479e5e1b634b2929 [2019-11-27 15:45:33,843 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:45:33,873 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:45:33,881 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:45:33,885 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:45:33,888 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:45:33,890 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem05_label20.c [2019-11-27 15:45:34,047 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1802a52f/da86c7a71f8e40c088e642e6d894a78b/FLAG0d4cf94ff [2019-11-27 15:45:36,077 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:45:36,079 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem05_label20.c [2019-11-27 15:45:36,210 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1802a52f/da86c7a71f8e40c088e642e6d894a78b/FLAG0d4cf94ff [2019-11-27 15:45:36,251 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1802a52f/da86c7a71f8e40c088e642e6d894a78b [2019-11-27 15:45:36,258 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:45:36,261 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:45:36,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:45:36,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:45:36,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:45:36,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:45:36" (1/1) ... [2019-11-27 15:45:36,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3756bc5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:45:36, skipping insertion in model container [2019-11-27 15:45:36,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:45:36" (1/1) ... [2019-11-27 15:45:36,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:45:36,900 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:45:42,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:45:42,196 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:45:44,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:45:45,061 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:45:45,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:45:45 WrapperNode [2019-11-27 15:45:45,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:45:45,067 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:45:45,071 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:45:45,071 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:45:45,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:45:45" (1/1) ... [2019-11-27 15:45:45,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:45:45" (1/1) ... [2019-11-27 15:45:45,928 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:45:45,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:45:45,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:45:45,931 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:45:45,956 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:45:45" (1/1) ... [2019-11-27 15:45:45,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:45:45" (1/1) ... [2019-11-27 15:45:46,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:45:45" (1/1) ... [2019-11-27 15:45:46,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:45:45" (1/1) ... [2019-11-27 15:45:46,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:45:45" (1/1) ... [2019-11-27 15:45:46,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:45:45" (1/1) ... [2019-11-27 15:45:46,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:45:45" (1/1) ... [2019-11-27 15:45:46,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:45:46,876 INFO L168 Benchmark]: Toolchain (without parser) took 10613.06 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 932.9 MB in the beginning and 711.7 MB in the end (delta: 221.2 MB). Peak memory consumption was 221.3 MB. Max. memory is 12.5 GB. [2019-11-27 15:45:46,877 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 15:45:46,879 INFO L168 Benchmark]: CACSL2BoogieTranslator took 8796.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 932.9 MB in the beginning and 851.1 MB in the end (delta: 81.8 MB). Peak memory consumption was 268.1 MB. Max. memory is 12.5 GB. [2019-11-27 15:45:46,882 INFO L168 Benchmark]: Boogie Procedure Inliner took 861.55 ms. Allocated memory is still 1.0 GB. Free memory was 851.1 MB in the beginning and 775.9 MB in the end (delta: 75.2 MB). Peak memory consumption was 75.2 MB. Max. memory is 12.5 GB. [2019-11-27 15:45:46,884 INFO L168 Benchmark]: Boogie Preprocessor took 942.29 ms. Allocated memory is still 1.0 GB. Free memory was 775.9 MB in the beginning and 711.7 MB in the end (delta: 64.2 MB). Peak memory consumption was 64.2 MB. Max. memory is 12.5 GB. [2019-11-27 15:45:46,891 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 8796.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 932.9 MB in the beginning and 851.1 MB in the end (delta: 81.8 MB). Peak memory consumption was 268.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 861.55 ms. Allocated memory is still 1.0 GB. Free memory was 851.1 MB in the beginning and 775.9 MB in the end (delta: 75.2 MB). Peak memory consumption was 75.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 942.29 ms. Allocated memory is still 1.0 GB. Free memory was 775.9 MB in the beginning and 711.7 MB in the end (delta: 64.2 MB). Peak memory consumption was 64.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...