./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem18_label20.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/eca-rers2012/Problem18_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 f6826319088c04a018f3a6afbe191bf0615c4678 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem18_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 f6826319088c04a018f3a6afbe191bf0615c4678 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:38:18,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:38:18,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:38:18,933 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:38:18,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:38:18,949 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:38:18,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:38:18,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:38:18,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:38:18,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:38:18,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:38:18,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:38:18,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:38:19,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:38:19,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:38:19,009 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:38:19,012 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:38:19,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:38:19,024 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:38:19,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:38:19,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:38:19,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:38:19,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:38:19,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:38:19,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:38:19,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:38:19,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:38:19,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:38:19,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:38:19,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:38:19,076 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:38:19,077 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:38:19,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:38:19,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:38:19,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:38:19,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:38:19,088 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:38:19,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:38:19,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:38:19,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:38:19,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:38:19,100 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:38:19,143 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:38:19,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:38:19,148 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:38:19,149 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:38:19,151 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:38:19,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:38:19,151 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:38:19,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:38:19,152 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:38:19,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:38:19,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:38:19,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:38:19,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:38:19,157 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:38:19,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:38:19,158 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:38:19,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:38:19,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:38:19,161 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:38:19,161 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:38:19,161 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:38:19,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:38:19,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:38:19,162 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:38:19,163 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:38:19,163 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:38:19,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:38:19,166 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:38:19,167 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 -> f6826319088c04a018f3a6afbe191bf0615c4678 [2019-11-27 09:38:19,821 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:38:19,850 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:38:19,859 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:38:19,863 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:38:19,864 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:38:19,865 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem18_label20.c [2019-11-27 09:38:20,025 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed9b5a54e/155602d2d3e54b05b4eb7db670bc77e1/FLAGea4a4d88e [2019-11-27 09:38:21,651 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:38:21,654 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label20.c [2019-11-27 09:38:21,722 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed9b5a54e/155602d2d3e54b05b4eb7db670bc77e1/FLAGea4a4d88e [2019-11-27 09:38:21,764 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed9b5a54e/155602d2d3e54b05b4eb7db670bc77e1 [2019-11-27 09:38:21,775 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:38:21,777 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:38:21,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:38:21,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:38:21,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:38:21,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:38:21" (1/1) ... [2019-11-27 09:38:21,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cad85d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:21, skipping insertion in model container [2019-11-27 09:38:21,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:38:21" (1/1) ... [2019-11-27 09:38:21,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:38:22,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:38:24,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:38:24,333 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:38:25,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:38:25,467 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:38:25,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:25 WrapperNode [2019-11-27 09:38:25,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:38:25,473 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:38:25,475 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:38:25,475 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:38:25,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:25" (1/1) ... [2019-11-27 09:38:25,607 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:25" (1/1) ... [2019-11-27 09:38:26,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:38:26,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:38:26,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:38:26,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:38:26,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:25" (1/1) ... [2019-11-27 09:38:26,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:25" (1/1) ... [2019-11-27 09:38:26,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:25" (1/1) ... [2019-11-27 09:38:26,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:25" (1/1) ... [2019-11-27 09:38:26,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:25" (1/1) ... [2019-11-27 09:38:26,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:25" (1/1) ... [2019-11-27 09:38:26,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:25" (1/1) ... [2019-11-27 09:38:26,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:38:26,665 INFO L168 Benchmark]: Toolchain (without parser) took 4882.19 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 804.5 MB in the end (delta: 145.7 MB). Peak memory consumption was 145.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:26,668 INFO L168 Benchmark]: CDTParser took 2.32 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 09:38:26,671 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3690.92 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 873.3 MB in the end (delta: 76.9 MB). Peak memory consumption was 77.0 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:26,674 INFO L168 Benchmark]: Boogie Procedure Inliner took 618.69 ms. Allocated memory is still 1.0 GB. Free memory was 873.3 MB in the beginning and 833.2 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:26,679 INFO L168 Benchmark]: Boogie Preprocessor took 564.56 ms. Allocated memory is still 1.0 GB. Free memory was 833.2 MB in the beginning and 804.5 MB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:26,691 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.32 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 3690.92 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 873.3 MB in the end (delta: 76.9 MB). Peak memory consumption was 77.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 618.69 ms. Allocated memory is still 1.0 GB. Free memory was 873.3 MB in the beginning and 833.2 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 564.56 ms. Allocated memory is still 1.0 GB. Free memory was 833.2 MB in the beginning and 804.5 MB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 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-da95e15 [2019-11-27 09:38:30,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:38:30,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:38:30,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:38:30,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:38:30,898 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:38:30,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:38:30,924 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:38:30,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:38:30,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:38:30,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:38:30,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:38:30,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:38:30,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:38:30,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:38:30,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:38:30,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:38:30,974 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:38:30,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:38:30,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:38:30,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:38:31,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:38:31,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:38:31,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:38:31,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:38:31,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:38:31,021 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:38:31,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:38:31,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:38:31,029 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:38:31,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:38:31,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:38:31,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:38:31,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:38:31,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:38:31,051 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:38:31,052 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:38:31,054 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:38:31,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:38:31,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:38:31,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:38:31,064 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:38:31,106 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:38:31,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:38:31,112 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:38:31,116 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:38:31,116 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:38:31,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:38:31,117 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:38:31,117 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:38:31,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:38:31,118 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:38:31,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:38:31,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:38:31,123 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:38:31,123 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:38:31,124 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:38:31,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:38:31,124 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:38:31,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:38:31,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:38:31,125 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:38:31,128 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:38:31,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:38:31,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:38:31,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:38:31,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:38:31,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:38:31,130 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:38:31,131 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:38:31,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:38:31,134 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:38:31,136 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 -> f6826319088c04a018f3a6afbe191bf0615c4678 [2019-11-27 09:38:31,660 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:38:31,691 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:38:31,694 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:38:31,700 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:38:31,703 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:38:31,705 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem18_label20.c [2019-11-27 09:38:31,868 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acda534ad/a4e4fa0ed5fa40cb89fb4ac7007d9394/FLAGe10aad5ff [2019-11-27 09:38:33,370 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:38:33,376 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label20.c [2019-11-27 09:38:33,431 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acda534ad/a4e4fa0ed5fa40cb89fb4ac7007d9394/FLAGe10aad5ff [2019-11-27 09:38:33,469 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acda534ad/a4e4fa0ed5fa40cb89fb4ac7007d9394 [2019-11-27 09:38:33,481 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:38:33,483 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:38:33,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:38:33,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:38:33,496 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:38:33,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:38:33" (1/1) ... [2019-11-27 09:38:33,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a3ff3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:33, skipping insertion in model container [2019-11-27 09:38:33,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:38:33" (1/1) ... [2019-11-27 09:38:33,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:38:33,761 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:38:36,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:38:36,378 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:38:37,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:38:37,737 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:38:37,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:37 WrapperNode [2019-11-27 09:38:37,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:38:37,740 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:38:37,740 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:38:37,742 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:38:37,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:37" (1/1) ... [2019-11-27 09:38:37,881 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:37" (1/1) ... [2019-11-27 09:38:38,164 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:38:38,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:38:38,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:38:38,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:38:38,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:37" (1/1) ... [2019-11-27 09:38:38,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:37" (1/1) ... [2019-11-27 09:38:38,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:37" (1/1) ... [2019-11-27 09:38:38,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:37" (1/1) ... [2019-11-27 09:38:38,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:37" (1/1) ... [2019-11-27 09:38:38,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:37" (1/1) ... [2019-11-27 09:38:38,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:37" (1/1) ... [2019-11-27 09:38:38,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:38:38,633 INFO L168 Benchmark]: Toolchain (without parser) took 5146.68 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 799.1 MB in the end (delta: 151.1 MB). Peak memory consumption was 151.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:38,635 INFO L168 Benchmark]: CDTParser took 2.94 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 09:38:38,639 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4250.54 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 845.1 MB in the end (delta: 105.1 MB). Peak memory consumption was 105.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:38,641 INFO L168 Benchmark]: Boogie Procedure Inliner took 428.02 ms. Allocated memory is still 1.0 GB. Free memory was 845.1 MB in the beginning and 816.5 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:38,646 INFO L168 Benchmark]: Boogie Preprocessor took 458.71 ms. Allocated memory is still 1.0 GB. Free memory was 816.5 MB in the beginning and 799.1 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:38,656 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.94 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 4250.54 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 845.1 MB in the end (delta: 105.1 MB). Peak memory consumption was 105.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 428.02 ms. Allocated memory is still 1.0 GB. Free memory was 845.1 MB in the beginning and 816.5 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 458.71 ms. Allocated memory is still 1.0 GB. Free memory was 816.5 MB in the beginning and 799.1 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...