./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem13_label31.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/Problem13_label31.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 272aa2c58201c5ead7a088bdd254c9e3cd09869f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem13_label31.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 272aa2c58201c5ead7a088bdd254c9e3cd09869f ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:56:37,553 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:56:37,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:56:37,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:56:37,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:56:37,588 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:56:37,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:56:37,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:56:37,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:56:37,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:56:37,632 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:56:37,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:56:37,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:56:37,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:56:37,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:56:37,652 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:56:37,655 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:56:37,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:56:37,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:56:37,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:56:37,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:56:37,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:56:37,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:56:37,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:56:37,700 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:56:37,701 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:56:37,704 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:56:37,706 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:56:37,707 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:56:37,708 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:56:37,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:56:37,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:56:37,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:56:37,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:56:37,720 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:56:37,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:56:37,724 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:56:37,724 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:56:37,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:56:37,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:56:37,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:56:37,735 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:56:37,772 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:56:37,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:56:37,781 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:56:37,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:56:37,781 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:56:37,782 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:56:37,782 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:56:37,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:56:37,783 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:56:37,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:56:37,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:56:37,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:56:37,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:56:37,788 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:56:37,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:56:37,788 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:56:37,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:56:37,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:56:37,789 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:56:37,792 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:56:37,792 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:56:37,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:56:37,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:56:37,793 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:56:37,793 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:56:37,794 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:56:37,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:56:37,794 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:56:37,797 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 -> 272aa2c58201c5ead7a088bdd254c9e3cd09869f [2019-11-27 15:56:38,378 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:56:38,409 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:56:38,416 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:56:38,420 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:56:38,421 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:56:38,425 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem13_label31.c [2019-11-27 15:56:38,572 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13ae88c7d/767508ea855f41179d4f919987ac8d9f/FLAG426c1b280 [2019-11-27 15:56:40,146 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:56:40,148 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem13_label31.c [2019-11-27 15:56:40,201 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13ae88c7d/767508ea855f41179d4f919987ac8d9f/FLAG426c1b280 [2019-11-27 15:56:40,231 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13ae88c7d/767508ea855f41179d4f919987ac8d9f [2019-11-27 15:56:40,237 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:56:40,242 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:56:40,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:56:40,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:56:40,248 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:56:40,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:56:40" (1/1) ... [2019-11-27 15:56:40,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@182ffbb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:40, skipping insertion in model container [2019-11-27 15:56:40,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:56:40" (1/1) ... [2019-11-27 15:56:40,271 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:56:40,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:56:43,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:56:43,861 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:56:45,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:56:45,566 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:56:45,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:45 WrapperNode [2019-11-27 15:56:45,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:56:45,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:56:45,574 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:56:45,574 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:56:45,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:45" (1/1) ... [2019-11-27 15:56:45,720 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:45" (1/1) ... [2019-11-27 15:56:47,050 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:56:47,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:56:47,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:56:47,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:56:47,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:45" (1/1) ... [2019-11-27 15:56:47,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:45" (1/1) ... [2019-11-27 15:56:47,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:45" (1/1) ... [2019-11-27 15:56:47,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:45" (1/1) ... [2019-11-27 15:56:47,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:45" (1/1) ... [2019-11-27 15:56:47,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:45" (1/1) ... [2019-11-27 15:56:48,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:45" (1/1) ... [2019-11-27 15:56:48,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:56:48,195 INFO L168 Benchmark]: Toolchain (without parser) took 7950.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 943.1 MB in the beginning and 813.0 MB in the end (delta: 130.0 MB). Peak memory consumption was 130.1 MB. Max. memory is 12.5 GB. [2019-11-27 15:56:48,195 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:56:48,198 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5328.01 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 943.1 MB in the beginning and 788.8 MB in the end (delta: 154.3 MB). Peak memory consumption was 154.3 MB. Max. memory is 12.5 GB. [2019-11-27 15:56:48,201 INFO L168 Benchmark]: Boogie Procedure Inliner took 1480.87 ms. Allocated memory is still 1.0 GB. Free memory was 788.8 MB in the beginning and 881.1 MB in the end (delta: -92.3 MB). Peak memory consumption was 153.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:56:48,204 INFO L168 Benchmark]: Boogie Preprocessor took 1134.09 ms. Allocated memory is still 1.0 GB. Free memory was 881.1 MB in the beginning and 813.0 MB in the end (delta: 68.1 MB). Peak memory consumption was 68.1 MB. Max. memory is 12.5 GB. [2019-11-27 15:56:48,215 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 5328.01 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 943.1 MB in the beginning and 788.8 MB in the end (delta: 154.3 MB). Peak memory consumption was 154.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1480.87 ms. Allocated memory is still 1.0 GB. Free memory was 788.8 MB in the beginning and 881.1 MB in the end (delta: -92.3 MB). Peak memory consumption was 153.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1134.09 ms. Allocated memory is still 1.0 GB. Free memory was 881.1 MB in the beginning and 813.0 MB in the end (delta: 68.1 MB). Peak memory consumption was 68.1 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 15:56:52,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:56:52,080 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:56:52,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:56:52,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:56:52,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:56:52,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:56:52,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:56:52,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:56:52,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:56:52,155 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:56:52,161 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:56:52,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:56:52,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:56:52,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:56:52,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:56:52,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:56:52,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:56:52,188 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:56:52,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:56:52,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:56:52,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:56:52,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:56:52,218 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:56:52,226 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:56:52,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:56:52,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:56:52,232 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:56:52,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:56:52,237 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:56:52,237 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:56:52,238 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:56:52,239 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:56:52,242 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:56:52,244 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:56:52,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:56:52,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:56:52,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:56:52,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:56:52,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:56:52,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:56:52,255 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:56:52,295 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:56:52,297 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:56:52,301 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:56:52,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:56:52,305 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:56:52,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:56:52,306 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:56:52,306 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:56:52,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:56:52,306 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:56:52,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:56:52,308 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:56:52,308 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:56:52,309 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:56:52,310 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:56:52,310 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:56:52,313 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:56:52,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:56:52,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:56:52,314 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:56:52,314 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:56:52,314 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:56:52,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:56:52,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:56:52,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:56:52,318 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:56:52,318 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:56:52,318 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:56:52,319 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:56:52,319 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:56:52,320 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 -> 272aa2c58201c5ead7a088bdd254c9e3cd09869f [2019-11-27 15:56:52,949 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:56:52,978 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:56:52,986 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:56:52,990 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:56:52,993 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:56:52,995 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem13_label31.c [2019-11-27 15:56:53,153 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90b06e914/2fbc5b603c954cb39ac8f27050e28a6d/FLAGc183674d2 [2019-11-27 15:56:54,911 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:56:54,914 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem13_label31.c [2019-11-27 15:56:55,018 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90b06e914/2fbc5b603c954cb39ac8f27050e28a6d/FLAGc183674d2 [2019-11-27 15:56:55,061 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90b06e914/2fbc5b603c954cb39ac8f27050e28a6d [2019-11-27 15:56:55,072 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:56:55,074 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:56:55,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:56:55,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:56:55,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:56:55,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:56:55" (1/1) ... [2019-11-27 15:56:55,099 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 03:56:55, skipping insertion in model container [2019-11-27 15:56:55,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:56:55" (1/1) ... [2019-11-27 15:56:55,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:56:55,463 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:56:59,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:56:59,240 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:57:01,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:57:01,389 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:57:01,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:57:01 WrapperNode [2019-11-27 15:57:01,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:57:01,396 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:57:01,396 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:57:01,399 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:57:01,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:57:01" (1/1) ... [2019-11-27 15:57:01,556 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:57:01" (1/1) ... [2019-11-27 15:57:01,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:57:01,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:57:01,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:57:01,914 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:57:01,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:57:01" (1/1) ... [2019-11-27 15:57:01,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:57:01" (1/1) ... [2019-11-27 15:57:02,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:57:01" (1/1) ... [2019-11-27 15:57:02,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:57:01" (1/1) ... [2019-11-27 15:57:02,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:57:01" (1/1) ... [2019-11-27 15:57:02,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:57:01" (1/1) ... [2019-11-27 15:57:02,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:57:01" (1/1) ... [2019-11-27 15:57:02,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:57:02,522 INFO L168 Benchmark]: Toolchain (without parser) took 7442.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 880.7 MB in the end (delta: 63.8 MB). Peak memory consumption was 63.9 MB. Max. memory is 12.5 GB. [2019-11-27 15:57:02,522 INFO L168 Benchmark]: CDTParser took 0.81 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 15:57:02,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6319.79 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 958.8 MB in the end (delta: -14.3 MB). Peak memory consumption was 265.2 MB. Max. memory is 12.5 GB. [2019-11-27 15:57:02,526 INFO L168 Benchmark]: Boogie Procedure Inliner took 517.06 ms. Allocated memory is still 1.0 GB. Free memory was 958.8 MB in the beginning and 917.0 MB in the end (delta: 41.8 MB). Peak memory consumption was 41.8 MB. Max. memory is 12.5 GB. [2019-11-27 15:57:02,528 INFO L168 Benchmark]: Boogie Preprocessor took 601.69 ms. Allocated memory is still 1.0 GB. Free memory was 917.0 MB in the beginning and 880.7 MB in the end (delta: 36.3 MB). Peak memory consumption was 36.3 MB. Max. memory is 12.5 GB. [2019-11-27 15:57:02,535 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81 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 6319.79 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 958.8 MB in the end (delta: -14.3 MB). Peak memory consumption was 265.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 517.06 ms. Allocated memory is still 1.0 GB. Free memory was 958.8 MB in the beginning and 917.0 MB in the end (delta: 41.8 MB). Peak memory consumption was 41.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 601.69 ms. Allocated memory is still 1.0 GB. Free memory was 917.0 MB in the beginning and 880.7 MB in the end (delta: 36.3 MB). Peak memory consumption was 36.3 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...