./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem04_label18.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/Problem04_label18.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 3c323fdfb204fbdadc139e8536d283555c10b5b1 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem04_label18.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 3c323fdfb204fbdadc139e8536d283555c10b5b1 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 09:22:30,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:22:30,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:22:30,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:22:30,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:22:30,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:22:30,833 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:22:30,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:22:30,860 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:22:30,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:22:30,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:22:30,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:22:30,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:22:30,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:22:30,886 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:22:30,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:22:30,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:22:30,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:22:30,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:22:30,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:22:30,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:22:30,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:22:30,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:22:30,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:22:30,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:22:30,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:22:30,937 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:22:30,940 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:22:30,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:22:30,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:22:30,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:22:30,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:22:30,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:22:30,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:22:30,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:22:30,954 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:22:30,956 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:22:30,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:22:30,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:22:30,961 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:22:30,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:22:30,965 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:22:31,004 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:22:31,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:22:31,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:22:31,011 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:22:31,012 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:22:31,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:22:31,012 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:22:31,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:22:31,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:22:31,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:22:31,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:22:31,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:22:31,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:22:31,018 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:22:31,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:22:31,020 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:22:31,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:22:31,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:22:31,021 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:22:31,021 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:22:31,022 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:22:31,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:22:31,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:22:31,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:22:31,026 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:22:31,026 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:22:31,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:22:31,027 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:22:31,027 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 -> 3c323fdfb204fbdadc139e8536d283555c10b5b1 [2019-11-27 09:22:31,652 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:22:31,684 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:22:31,687 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:22:31,693 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:22:31,694 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:22:31,695 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem04_label18.c [2019-11-27 09:22:31,855 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfcd3e15c/0ed33415a7734c7fac5e7f3186091563/FLAG5363a4f18 [2019-11-27 09:22:33,460 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:22:33,462 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem04_label18.c [2019-11-27 09:22:33,512 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfcd3e15c/0ed33415a7734c7fac5e7f3186091563/FLAG5363a4f18 [2019-11-27 09:22:33,548 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfcd3e15c/0ed33415a7734c7fac5e7f3186091563 [2019-11-27 09:22:33,556 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:22:33,560 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:22:33,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:22:33,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:22:33,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:22:33,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:22:33" (1/1) ... [2019-11-27 09:22:33,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5323c1a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:33, skipping insertion in model container [2019-11-27 09:22:33,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:22:33" (1/1) ... [2019-11-27 09:22:33,604 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:22:33,896 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:22:37,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:22:37,061 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:22:38,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:22:38,690 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:22:38,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:38 WrapperNode [2019-11-27 09:22:38,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:22:38,693 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:22:38,693 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:22:38,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:22:38,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:38" (1/1) ... [2019-11-27 09:22:38,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:38" (1/1) ... [2019-11-27 09:22:39,290 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:22:39,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:22:39,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:22:39,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:22:39,318 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:38" (1/1) ... [2019-11-27 09:22:39,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:38" (1/1) ... [2019-11-27 09:22:39,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:38" (1/1) ... [2019-11-27 09:22:39,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:38" (1/1) ... [2019-11-27 09:22:39,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:38" (1/1) ... [2019-11-27 09:22:39,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:38" (1/1) ... [2019-11-27 09:22:39,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:38" (1/1) ... [2019-11-27 09:22:39,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:22:39,764 INFO L168 Benchmark]: Toolchain (without parser) took 6196.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 751.6 MB in the end (delta: 192.9 MB). Peak memory consumption was 193.0 MB. Max. memory is 12.5 GB. [2019-11-27 09:22:39,765 INFO L168 Benchmark]: CDTParser took 1.65 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 09:22:39,767 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5128.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 814.6 MB in the end (delta: 129.9 MB). Peak memory consumption was 130.0 MB. Max. memory is 12.5 GB. [2019-11-27 09:22:39,770 INFO L168 Benchmark]: Boogie Procedure Inliner took 600.74 ms. Allocated memory is still 1.0 GB. Free memory was 814.6 MB in the beginning and 780.2 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. [2019-11-27 09:22:39,773 INFO L168 Benchmark]: Boogie Preprocessor took 459.32 ms. Allocated memory is still 1.0 GB. Free memory was 780.2 MB in the beginning and 751.6 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:22:39,787 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.65 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 5128.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 814.6 MB in the end (delta: 129.9 MB). Peak memory consumption was 130.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 600.74 ms. Allocated memory is still 1.0 GB. Free memory was 814.6 MB in the beginning and 780.2 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 459.32 ms. Allocated memory is still 1.0 GB. Free memory was 780.2 MB in the beginning and 751.6 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 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 09:22:43,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:22:43,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:22:43,613 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:22:43,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:22:43,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:22:43,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:22:43,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:22:43,646 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:22:43,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:22:43,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:22:43,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:22:43,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:22:43,667 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:22:43,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:22:43,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:22:43,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:22:43,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:22:43,690 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:22:43,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:22:43,708 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:22:43,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:22:43,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:22:43,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:22:43,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:22:43,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:22:43,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:22:43,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:22:43,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:22:43,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:22:43,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:22:43,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:22:43,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:22:43,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:22:43,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:22:43,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:22:43,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:22:43,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:22:43,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:22:43,758 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:22:43,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:22:43,760 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:22:43,798 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:22:43,801 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:22:43,805 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:22:43,805 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:22:43,806 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:22:43,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:22:43,807 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:22:43,810 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:22:43,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:22:43,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:22:43,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:22:43,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:22:43,812 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:22:43,813 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:22:43,813 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:22:43,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:22:43,815 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:22:43,815 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:22:43,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:22:43,817 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:22:43,817 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:22:43,817 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:22:43,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:22:43,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:22:43,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:22:43,820 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:22:43,820 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:22:43,821 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:22:43,821 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:22:43,823 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:22:43,824 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 -> 3c323fdfb204fbdadc139e8536d283555c10b5b1 [2019-11-27 09:22:44,451 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:22:44,482 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:22:44,489 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:22:44,494 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:22:44,497 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:22:44,499 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem04_label18.c [2019-11-27 09:22:44,639 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d90f40b08/fc6f4b203bd44201b61a028456eaad4f/FLAG1ce0a180e [2019-11-27 09:22:46,357 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:22:46,359 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem04_label18.c [2019-11-27 09:22:46,447 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d90f40b08/fc6f4b203bd44201b61a028456eaad4f/FLAG1ce0a180e [2019-11-27 09:22:46,809 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d90f40b08/fc6f4b203bd44201b61a028456eaad4f [2019-11-27 09:22:46,816 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:22:46,818 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:22:46,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:22:46,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:22:46,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:22:46,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:22:46" (1/1) ... [2019-11-27 09:22:46,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46807bdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:46, skipping insertion in model container [2019-11-27 09:22:46,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:22:46" (1/1) ... [2019-11-27 09:22:46,870 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:22:47,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:22:50,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:22:50,751 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:22:52,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:22:52,327 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:22:52,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:52 WrapperNode [2019-11-27 09:22:52,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:22:52,332 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:22:52,335 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:22:52,335 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:22:52,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:52" (1/1) ... [2019-11-27 09:22:52,457 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:52" (1/1) ... [2019-11-27 09:22:52,826 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:22:52,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:22:52,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:22:52,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:22:52,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:52" (1/1) ... [2019-11-27 09:22:52,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:52" (1/1) ... [2019-11-27 09:22:52,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:52" (1/1) ... [2019-11-27 09:22:52,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:52" (1/1) ... [2019-11-27 09:22:53,135 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:52" (1/1) ... [2019-11-27 09:22:53,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:52" (1/1) ... [2019-11-27 09:22:53,260 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:22:52" (1/1) ... [2019-11-27 09:22:53,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:22:53,346 INFO L168 Benchmark]: Toolchain (without parser) took 6525.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.4 MB in the beginning and 757.5 MB in the end (delta: 186.9 MB). Peak memory consumption was 186.9 MB. Max. memory is 12.5 GB. [2019-11-27 09:22:53,347 INFO L168 Benchmark]: CDTParser took 0.36 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 09:22:53,351 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5501.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.4 MB in the beginning and 827.7 MB in the end (delta: 116.7 MB). Peak memory consumption was 116.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:22:53,353 INFO L168 Benchmark]: Boogie Procedure Inliner took 495.68 ms. Allocated memory is still 1.0 GB. Free memory was 827.7 MB in the beginning and 786.2 MB in the end (delta: 41.5 MB). Peak memory consumption was 41.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:22:53,357 INFO L168 Benchmark]: Boogie Preprocessor took 509.56 ms. Allocated memory is still 1.0 GB. Free memory was 786.2 MB in the beginning and 757.5 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:22:53,367 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 5501.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.4 MB in the beginning and 827.7 MB in the end (delta: 116.7 MB). Peak memory consumption was 116.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 495.68 ms. Allocated memory is still 1.0 GB. Free memory was 827.7 MB in the beginning and 786.2 MB in the end (delta: 41.5 MB). Peak memory consumption was 41.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 509.56 ms. Allocated memory is still 1.0 GB. Free memory was 786.2 MB in the beginning and 757.5 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...