./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem17_label27.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/Problem17_label27.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 78eabd2ee150c25691f9a7d531597623c7c366a6 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem17_label27.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 78eabd2ee150c25691f9a7d531597623c7c366a6 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:59:26,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:59:26,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:59:26,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:59:26,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:59:26,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:59:26,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:59:26,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:59:26,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:59:26,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:59:26,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:59:26,642 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:59:26,643 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:59:26,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:59:26,651 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:59:26,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:59:26,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:59:26,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:59:26,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:59:26,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:59:26,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:59:26,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:59:26,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:59:26,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:59:26,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:59:26,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:59:26,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:59:26,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:59:26,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:59:26,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:59:26,716 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:59:26,717 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:59:26,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:59:26,722 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:59:26,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:59:26,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:59:26,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:59:26,729 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:59:26,729 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:59:26,730 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:59:26,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:59:26,736 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:59:26,774 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:59:26,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:59:26,780 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:59:26,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:59:26,781 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:59:26,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:59:26,783 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:59:26,783 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:59:26,784 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:59:26,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:59:26,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:59:26,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:59:26,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:59:26,788 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:59:26,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:59:26,791 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:59:26,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:59:26,792 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:59:26,792 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:59:26,792 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:59:26,792 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:59:26,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:59:26,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:59:26,794 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:59:26,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:59:26,797 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:59:26,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:59:26,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:59:26,798 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 -> 78eabd2ee150c25691f9a7d531597623c7c366a6 [2019-11-27 15:59:27,410 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:59:27,435 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:59:27,443 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:59:27,446 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:59:27,448 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:59:27,451 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem17_label27.c [2019-11-27 15:59:27,601 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97b63239d/756defc01d5d49778f03dce74b56d67e/FLAG1bbda7d3c [2019-11-27 15:59:29,037 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:59:29,039 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem17_label27.c [2019-11-27 15:59:29,097 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97b63239d/756defc01d5d49778f03dce74b56d67e/FLAG1bbda7d3c [2019-11-27 15:59:29,234 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97b63239d/756defc01d5d49778f03dce74b56d67e [2019-11-27 15:59:29,243 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:59:29,247 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:59:29,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:59:29,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:59:29,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:59:29,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:59:29" (1/1) ... [2019-11-27 15:59:29,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9841a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:29, skipping insertion in model container [2019-11-27 15:59:29,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:59:29" (1/1) ... [2019-11-27 15:59:29,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:59:29,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:59:31,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:59:31,671 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:59:32,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:59:32,692 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:59:32,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:32 WrapperNode [2019-11-27 15:59:32,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:59:32,701 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:59:32,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:59:32,701 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:59:32,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:32" (1/1) ... [2019-11-27 15:59:32,839 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:32" (1/1) ... [2019-11-27 15:59:33,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:59:33,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:59:33,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:59:33,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:59:33,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:32" (1/1) ... [2019-11-27 15:59:33,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:32" (1/1) ... [2019-11-27 15:59:33,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:32" (1/1) ... [2019-11-27 15:59:33,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:32" (1/1) ... [2019-11-27 15:59:33,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:32" (1/1) ... [2019-11-27 15:59:33,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:32" (1/1) ... [2019-11-27 15:59:34,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:32" (1/1) ... [2019-11-27 15:59:34,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:59:34,167 INFO L168 Benchmark]: Toolchain (without parser) took 4912.56 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.4 MB in the beginning and 795.5 MB in the end (delta: 158.9 MB). Peak memory consumption was 159.0 MB. Max. memory is 12.5 GB. [2019-11-27 15:59:34,168 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:59:34,173 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3447.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.7 MB in the beginning and 882.2 MB in the end (delta: 66.5 MB). Peak memory consumption was 66.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:59:34,175 INFO L168 Benchmark]: Boogie Procedure Inliner took 651.69 ms. Allocated memory is still 1.0 GB. Free memory was 882.2 MB in the beginning and 824.9 MB in the end (delta: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 12.5 GB. [2019-11-27 15:59:34,179 INFO L168 Benchmark]: Boogie Preprocessor took 804.39 ms. Allocated memory is still 1.0 GB. Free memory was 824.9 MB in the beginning and 795.5 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 12.5 GB. [2019-11-27 15:59:34,191 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 3447.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.7 MB in the beginning and 882.2 MB in the end (delta: 66.5 MB). Peak memory consumption was 66.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 651.69 ms. Allocated memory is still 1.0 GB. Free memory was 882.2 MB in the beginning and 824.9 MB in the end (delta: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 804.39 ms. Allocated memory is still 1.0 GB. Free memory was 824.9 MB in the beginning and 795.5 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 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 15:59:37,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:59:37,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:59:38,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:59:38,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:59:38,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:59:38,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:59:38,045 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:59:38,050 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:59:38,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:59:38,056 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:59:38,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:59:38,061 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:59:38,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:59:38,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:59:38,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:59:38,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:59:38,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:59:38,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:59:38,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:59:38,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:59:38,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:59:38,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:59:38,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:59:38,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:59:38,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:59:38,119 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:59:38,123 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:59:38,123 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:59:38,124 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:59:38,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:59:38,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:59:38,130 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:59:38,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:59:38,136 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:59:38,137 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:59:38,138 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:59:38,138 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:59:38,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:59:38,143 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:59:38,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:59:38,145 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:59:38,180 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:59:38,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:59:38,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:59:38,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:59:38,187 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:59:38,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:59:38,189 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:59:38,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:59:38,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:59:38,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:59:38,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:59:38,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:59:38,194 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:59:38,194 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:59:38,194 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:59:38,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:59:38,197 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:59:38,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:59:38,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:59:38,198 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:59:38,198 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:59:38,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:59:38,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:59:38,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:59:38,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:59:38,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:59:38,202 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:59:38,202 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:59:38,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:59:38,203 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:59:38,204 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 -> 78eabd2ee150c25691f9a7d531597623c7c366a6 [2019-11-27 15:59:38,747 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:59:38,773 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:59:38,784 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:59:38,786 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:59:38,789 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:59:38,791 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem17_label27.c [2019-11-27 15:59:38,946 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/695dcf403/41fe1554ef9047b7852a294836e2cd55/FLAG36807e1db [2019-11-27 15:59:40,538 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:59:40,540 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem17_label27.c [2019-11-27 15:59:40,603 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/695dcf403/41fe1554ef9047b7852a294836e2cd55/FLAG36807e1db [2019-11-27 15:59:41,102 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/695dcf403/41fe1554ef9047b7852a294836e2cd55 [2019-11-27 15:59:41,115 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:59:41,117 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:59:41,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:59:41,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:59:41,130 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:59:41,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:59:41" (1/1) ... [2019-11-27 15:59:41,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e84eedf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:41, skipping insertion in model container [2019-11-27 15:59:41,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:59:41" (1/1) ... [2019-11-27 15:59:41,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:59:41,377 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:59:43,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:59:43,851 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:59:44,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:59:45,004 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:59:45,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:45 WrapperNode [2019-11-27 15:59:45,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:59:45,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:59:45,010 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:59:45,011 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:59:45,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:45" (1/1) ... [2019-11-27 15:59:45,129 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:45" (1/1) ... [2019-11-27 15:59:45,414 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:59:45,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:59:45,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:59:45,418 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:59:45,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:45" (1/1) ... [2019-11-27 15:59:45,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:45" (1/1) ... [2019-11-27 15:59:45,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:45" (1/1) ... [2019-11-27 15:59:45,491 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:45" (1/1) ... [2019-11-27 15:59:45,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:45" (1/1) ... [2019-11-27 15:59:45,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:45" (1/1) ... [2019-11-27 15:59:45,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:45" (1/1) ... [2019-11-27 15:59:45,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:59:45,850 INFO L168 Benchmark]: Toolchain (without parser) took 4730.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 798.2 MB in the end (delta: 157.7 MB). Peak memory consumption was 157.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:59:45,851 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 15:59:45,855 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3884.88 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 838.3 MB in the end (delta: 111.8 MB). Peak memory consumption was 111.9 MB. Max. memory is 12.5 GB. [2019-11-27 15:59:45,856 INFO L168 Benchmark]: Boogie Procedure Inliner took 410.75 ms. Allocated memory is still 1.0 GB. Free memory was 838.3 MB in the beginning and 815.4 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-27 15:59:45,861 INFO L168 Benchmark]: Boogie Preprocessor took 427.28 ms. Allocated memory is still 1.0 GB. Free memory was 815.4 MB in the beginning and 798.2 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-27 15:59:45,871 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 3884.88 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 838.3 MB in the end (delta: 111.8 MB). Peak memory consumption was 111.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 410.75 ms. Allocated memory is still 1.0 GB. Free memory was 838.3 MB in the beginning and 815.4 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 427.28 ms. Allocated memory is still 1.0 GB. Free memory was 815.4 MB in the beginning and 798.2 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...