./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem17_label26.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_label26.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 831e9479ad7b84067b52c34f54c1fb4f47e2a6eb ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_label26.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 831e9479ad7b84067b52c34f54c1fb4f47e2a6eb ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:59:24,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:59:24,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:59:24,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:59:24,568 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:59:24,570 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:59:24,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:59:24,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:59:24,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:59:24,609 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:59:24,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:59:24,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:59:24,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:59:24,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:59:24,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:59:24,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:59:24,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:59:24,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:59:24,650 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:59:24,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:59:24,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:59:24,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:59:24,679 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:59:24,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:59:24,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:59:24,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:59:24,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:59:24,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:59:24,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:59:24,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:59:24,704 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:59:24,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:59:24,706 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:59:24,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:59:24,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:59:24,717 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:59:24,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:59:24,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:59:24,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:59:24,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:59:24,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:59:24,732 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:59:24,779 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:59:24,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:59:24,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:59:24,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:59:24,787 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:59:24,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:59:24,790 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:59:24,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:59:24,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:59:24,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:59:24,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:59:24,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:59:24,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:59:24,796 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:59:24,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:59:24,797 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:59:24,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:59:24,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:59:24,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:59:24,800 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:59:24,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:59:24,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:59:24,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:59:24,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:59:24,805 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:59:24,805 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:59:24,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:59:24,806 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:59:24,806 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 -> 831e9479ad7b84067b52c34f54c1fb4f47e2a6eb [2019-11-27 15:59:25,366 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:59:25,395 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:59:25,402 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:59:25,404 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:59:25,406 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:59:25,408 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem17_label26.c [2019-11-27 15:59:25,565 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44e54cf12/2c83ac8ce6d04564a4f546b29da0bbcf/FLAGc659ce61c [2019-11-27 15:59:27,058 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:59:27,059 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem17_label26.c [2019-11-27 15:59:27,122 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44e54cf12/2c83ac8ce6d04564a4f546b29da0bbcf/FLAGc659ce61c [2019-11-27 15:59:27,161 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44e54cf12/2c83ac8ce6d04564a4f546b29da0bbcf [2019-11-27 15:59:27,173 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:59:27,175 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:59:27,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:59:27,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:59:27,186 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:59:27,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:59:27" (1/1) ... [2019-11-27 15:59:27,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a3ff3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:27, skipping insertion in model container [2019-11-27 15:59:27,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:59:27" (1/1) ... [2019-11-27 15:59:27,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:59:27,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:59:29,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:59:29,518 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:59:30,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:59:30,416 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:59:30,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:30 WrapperNode [2019-11-27 15:59:30,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:59:30,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:59:30,425 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:59:30,428 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:59:30,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:30" (1/1) ... [2019-11-27 15:59:30,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:30" (1/1) ... [2019-11-27 15:59:31,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:59:31,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:59:31,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:59:31,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:59:31,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:30" (1/1) ... [2019-11-27 15:59:31,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:30" (1/1) ... [2019-11-27 15:59:31,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:30" (1/1) ... [2019-11-27 15:59:31,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:30" (1/1) ... [2019-11-27 15:59:31,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:30" (1/1) ... [2019-11-27 15:59:31,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:30" (1/1) ... [2019-11-27 15:59:31,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:30" (1/1) ... [2019-11-27 15:59:31,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:59:31,822 INFO L168 Benchmark]: Toolchain (without parser) took 4642.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 781.1 MB in the end (delta: 174.8 MB). Peak memory consumption was 174.9 MB. Max. memory is 12.5 GB. [2019-11-27 15:59:31,823 INFO L168 Benchmark]: CDTParser took 1.57 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 15:59:31,828 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3246.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 873.7 MB in the end (delta: 76.5 MB). Peak memory consumption was 76.6 MB. Max. memory is 12.5 GB. [2019-11-27 15:59:31,830 INFO L168 Benchmark]: Boogie Procedure Inliner took 716.99 ms. Allocated memory is still 1.0 GB. Free memory was 873.7 MB in the beginning and 810.4 MB in the end (delta: 63.3 MB). Peak memory consumption was 63.3 MB. Max. memory is 12.5 GB. [2019-11-27 15:59:31,835 INFO L168 Benchmark]: Boogie Preprocessor took 673.46 ms. Allocated memory is still 1.0 GB. Free memory was 810.4 MB in the beginning and 781.1 MB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 12.5 GB. [2019-11-27 15:59:31,843 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.57 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 3246.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 873.7 MB in the end (delta: 76.5 MB). Peak memory consumption was 76.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 716.99 ms. Allocated memory is still 1.0 GB. Free memory was 873.7 MB in the beginning and 810.4 MB in the end (delta: 63.3 MB). Peak memory consumption was 63.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 673.46 ms. Allocated memory is still 1.0 GB. Free memory was 810.4 MB in the beginning and 781.1 MB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 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 15:59:35,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:59:35,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:59:36,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:59:36,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:59:36,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:59:36,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:59:36,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:59:36,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:59:36,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:59:36,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:59:36,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:59:36,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:59:36,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:59:36,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:59:36,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:59:36,090 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:59:36,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:59:36,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:59:36,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:59:36,110 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:59:36,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:59:36,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:59:36,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:59:36,133 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:59:36,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:59:36,134 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:59:36,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:59:36,140 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:59:36,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:59:36,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:59:36,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:59:36,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:59:36,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:59:36,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:59:36,154 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:59:36,155 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:59:36,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:59:36,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:59:36,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:59:36,162 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:59:36,165 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:59:36,227 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:59:36,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:59:36,234 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:59:36,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:59:36,239 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:59:36,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:59:36,240 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:59:36,240 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:59:36,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:59:36,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:59:36,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:59:36,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:59:36,245 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:59:36,247 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:59:36,248 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:59:36,249 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:59:36,249 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:59:36,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:59:36,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:59:36,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:59:36,253 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:59:36,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:59:36,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:59:36,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:59:36,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:59:36,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:59:36,257 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:59:36,258 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:59:36,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:59:36,258 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:59:36,260 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 -> 831e9479ad7b84067b52c34f54c1fb4f47e2a6eb [2019-11-27 15:59:36,753 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:59:36,799 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:59:36,806 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:59:36,812 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:59:36,813 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:59:36,815 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem17_label26.c [2019-11-27 15:59:36,962 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3c0c44e3/9644785476f442bca94d161a589837aa/FLAGc4f05722e [2019-11-27 15:59:38,478 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:59:38,479 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem17_label26.c [2019-11-27 15:59:38,541 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3c0c44e3/9644785476f442bca94d161a589837aa/FLAGc4f05722e [2019-11-27 15:59:38,771 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3c0c44e3/9644785476f442bca94d161a589837aa [2019-11-27 15:59:38,779 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:59:38,784 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:59:38,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:59:38,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:59:38,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:59:38,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:59:38" (1/1) ... [2019-11-27 15:59:38,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@310b35a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:38, skipping insertion in model container [2019-11-27 15:59:38,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:59:38" (1/1) ... [2019-11-27 15:59:38,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:59:39,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:59:41,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:59:41,517 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:59:42,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:59:42,745 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:59:42,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:42 WrapperNode [2019-11-27 15:59:42,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:59:42,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:59:42,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:59:42,751 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:59:42,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:42" (1/1) ... [2019-11-27 15:59:42,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:42" (1/1) ... [2019-11-27 15:59:43,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:59:43,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:59:43,151 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:59:43,151 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:59:43,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:42" (1/1) ... [2019-11-27 15:59:43,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:42" (1/1) ... [2019-11-27 15:59:43,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:42" (1/1) ... [2019-11-27 15:59:43,223 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:42" (1/1) ... [2019-11-27 15:59:43,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:42" (1/1) ... [2019-11-27 15:59:43,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:42" (1/1) ... [2019-11-27 15:59:43,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:42" (1/1) ... [2019-11-27 15:59:43,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:59:43,573 INFO L168 Benchmark]: Toolchain (without parser) took 4788.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 781.9 MB in the end (delta: 174.1 MB). Peak memory consumption was 174.1 MB. Max. memory is 12.5 GB. [2019-11-27 15:59:43,574 INFO L168 Benchmark]: CDTParser took 2.92 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 15:59:43,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3959.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 828.0 MB in the end (delta: 128.0 MB). Peak memory consumption was 128.0 MB. Max. memory is 12.5 GB. [2019-11-27 15:59:43,577 INFO L168 Benchmark]: Boogie Procedure Inliner took 397.94 ms. Allocated memory is still 1.0 GB. Free memory was 828.0 MB in the beginning and 805.1 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-27 15:59:43,580 INFO L168 Benchmark]: Boogie Preprocessor took 421.13 ms. Allocated memory is still 1.0 GB. Free memory was 805.1 MB in the beginning and 781.9 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 12.5 GB. [2019-11-27 15:59:43,591 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.92 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 3959.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 828.0 MB in the end (delta: 128.0 MB). Peak memory consumption was 128.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 397.94 ms. Allocated memory is still 1.0 GB. Free memory was 828.0 MB in the beginning and 805.1 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 421.13 ms. Allocated memory is still 1.0 GB. Free memory was 805.1 MB in the beginning and 781.9 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...