./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem01_label55.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/Problem01_label55.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 6dacd915ddcb2eb31881c9efdd8e6c888fdc7dc2 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem01_label55.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 6dacd915ddcb2eb31881c9efdd8e6c888fdc7dc2 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:42:50,916 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:42:50,920 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:42:50,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:42:50,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:42:50,955 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:42:50,957 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:42:50,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:42:50,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:42:50,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:42:50,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:42:50,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:42:50,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:42:51,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:42:51,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:42:51,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:42:51,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:42:51,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:42:51,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:42:51,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:42:51,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:42:51,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:42:51,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:42:51,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:42:51,062 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:42:51,064 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:42:51,064 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:42:51,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:42:51,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:42:51,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:42:51,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:42:51,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:42:51,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:42:51,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:42:51,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:42:51,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:42:51,088 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:42:51,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:42:51,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:42:51,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:42:51,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:42:51,097 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:42:51,138 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:42:51,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:42:51,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:42:51,144 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:42:51,144 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:42:51,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:42:51,145 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:42:51,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:42:51,148 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:42:51,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:42:51,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:42:51,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:42:51,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:42:51,151 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:42:51,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:42:51,153 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:42:51,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:42:51,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:42:51,154 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:42:51,154 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:42:51,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:42:51,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:42:51,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:42:51,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:42:51,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:42:51,159 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:42:51,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:42:51,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:42:51,160 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 -> 6dacd915ddcb2eb31881c9efdd8e6c888fdc7dc2 [2019-11-27 15:42:51,799 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:42:51,829 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:42:51,835 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:42:51,838 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:42:51,843 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:42:51,844 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label55.c [2019-11-27 15:42:51,994 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1055fc4f/149ca46fe873406f8359116e589bb169/FLAG5c58add60 [2019-11-27 15:42:53,169 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:42:53,173 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label55.c [2019-11-27 15:42:53,209 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1055fc4f/149ca46fe873406f8359116e589bb169/FLAG5c58add60 [2019-11-27 15:42:53,640 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1055fc4f/149ca46fe873406f8359116e589bb169 [2019-11-27 15:42:53,648 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:42:53,654 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:42:53,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:42:53,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:42:53,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:42:53,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:42:53" (1/1) ... [2019-11-27 15:42:53,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5421ec35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:53, skipping insertion in model container [2019-11-27 15:42:53,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:42:53" (1/1) ... [2019-11-27 15:42:53,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:42:53,809 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:42:54,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:42:54,726 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:42:55,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:42:55,086 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:42:55,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:55 WrapperNode [2019-11-27 15:42:55,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:42:55,095 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:42:55,095 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:42:55,096 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:42:55,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:55" (1/1) ... [2019-11-27 15:42:55,142 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:55" (1/1) ... [2019-11-27 15:42:55,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:42:55,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:42:55,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:42:55,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:42:55,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:55" (1/1) ... [2019-11-27 15:42:55,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:55" (1/1) ... [2019-11-27 15:42:55,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:55" (1/1) ... [2019-11-27 15:42:55,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:55" (1/1) ... [2019-11-27 15:42:55,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:55" (1/1) ... [2019-11-27 15:42:55,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:55" (1/1) ... [2019-11-27 15:42:55,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:55" (1/1) ... [2019-11-27 15:42:55,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:42:55,486 INFO L168 Benchmark]: Toolchain (without parser) took 1827.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 966.4 MB in the end (delta: -3.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:42:55,491 INFO L168 Benchmark]: CDTParser took 0.34 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 15:42:55,494 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1430.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 983.6 MB in the end (delta: -20.5 MB). Peak memory consumption was 34.0 MB. Max. memory is 12.5 GB. [2019-11-27 15:42:55,497 INFO L168 Benchmark]: Boogie Procedure Inliner took 191.71 ms. Allocated memory is still 1.0 GB. Free memory was 983.6 MB in the beginning and 977.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:42:55,501 INFO L168 Benchmark]: Boogie Preprocessor took 191.66 ms. Allocated memory is still 1.0 GB. Free memory was 977.9 MB in the beginning and 966.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:42:55,512 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 1430.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 983.6 MB in the end (delta: -20.5 MB). Peak memory consumption was 34.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 191.71 ms. Allocated memory is still 1.0 GB. Free memory was 983.6 MB in the beginning and 977.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 191.66 ms. Allocated memory is still 1.0 GB. Free memory was 977.9 MB in the beginning and 966.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 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 15:42:59,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:42:59,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:42:59,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:42:59,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:42:59,310 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:42:59,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:42:59,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:42:59,333 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:42:59,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:42:59,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:42:59,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:42:59,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:42:59,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:42:59,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:42:59,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:42:59,367 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:42:59,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:42:59,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:42:59,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:42:59,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:42:59,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:42:59,400 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:42:59,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:42:59,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:42:59,412 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:42:59,412 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:42:59,417 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:42:59,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:42:59,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:42:59,421 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:42:59,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:42:59,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:42:59,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:42:59,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:42:59,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:42:59,434 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:42:59,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:42:59,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:42:59,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:42:59,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:42:59,445 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:42:59,481 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:42:59,482 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:42:59,486 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:42:59,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:42:59,488 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:42:59,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:42:59,491 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:42:59,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:42:59,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:42:59,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:42:59,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:42:59,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:42:59,496 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:42:59,496 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:42:59,497 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:42:59,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:42:59,497 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:42:59,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:42:59,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:42:59,501 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:42:59,501 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:42:59,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:42:59,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:42:59,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:42:59,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:42:59,503 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:42:59,503 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:42:59,503 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:42:59,504 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:42:59,506 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:42:59,507 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 -> 6dacd915ddcb2eb31881c9efdd8e6c888fdc7dc2 [2019-11-27 15:43:00,104 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:43:00,131 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:43:00,140 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:43:00,142 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:43:00,144 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:43:00,145 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label55.c [2019-11-27 15:43:00,301 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a98f3425/94fcab1ff1df4ff3995ad0150bd9f2bd/FLAG9d673d954 [2019-11-27 15:43:01,489 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:43:01,492 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label55.c [2019-11-27 15:43:01,541 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a98f3425/94fcab1ff1df4ff3995ad0150bd9f2bd/FLAG9d673d954 [2019-11-27 15:43:01,962 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a98f3425/94fcab1ff1df4ff3995ad0150bd9f2bd [2019-11-27 15:43:01,969 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:43:01,977 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:43:01,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:01,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:43:01,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:43:01,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:01" (1/1) ... [2019-11-27 15:43:02,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5421ec35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:01, skipping insertion in model container [2019-11-27 15:43:02,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:01" (1/1) ... [2019-11-27 15:43:02,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:43:02,123 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:43:03,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:03,158 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:43:03,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:03,455 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:43:03,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:03 WrapperNode [2019-11-27 15:43:03,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:03,463 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:03,464 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:43:03,464 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:43:03,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:03" (1/1) ... [2019-11-27 15:43:03,516 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:03" (1/1) ... [2019-11-27 15:43:03,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:03,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:43:03,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:43:03,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:43:03,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:03" (1/1) ... [2019-11-27 15:43:03,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:03" (1/1) ... [2019-11-27 15:43:03,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:03" (1/1) ... [2019-11-27 15:43:03,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:03" (1/1) ... [2019-11-27 15:43:03,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:03" (1/1) ... [2019-11-27 15:43:03,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:03" (1/1) ... [2019-11-27 15:43:03,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:03" (1/1) ... [2019-11-27 15:43:03,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:43:03,860 INFO L168 Benchmark]: Toolchain (without parser) took 1883.04 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 966.5 MB in the end (delta: -4.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:43:03,864 INFO L168 Benchmark]: CDTParser took 3.49 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 15:43:03,868 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1476.28 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 978.0 MB in the end (delta: -16.3 MB). Peak memory consumption was 33.9 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:03,870 INFO L168 Benchmark]: Boogie Procedure Inliner took 178.31 ms. Allocated memory is still 1.0 GB. Free memory was 978.0 MB in the beginning and 972.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:03,874 INFO L168 Benchmark]: Boogie Preprocessor took 214.69 ms. Allocated memory is still 1.0 GB. Free memory was 972.3 MB in the beginning and 966.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:03,884 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.49 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 1476.28 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 978.0 MB in the end (delta: -16.3 MB). Peak memory consumption was 33.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 178.31 ms. Allocated memory is still 1.0 GB. Free memory was 978.0 MB in the beginning and 972.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 214.69 ms. Allocated memory is still 1.0 GB. Free memory was 972.3 MB in the beginning and 966.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...