./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem17_label56.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_label56.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 0ee778e7878bd361e43766b511689dc208365045 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_label56.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 0ee778e7878bd361e43766b511689dc208365045 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:59:48,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:59:48,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:59:48,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:59:48,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:59:48,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:59:48,727 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:59:48,739 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:59:48,746 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:59:48,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:59:48,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:59:48,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:59:48,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:59:48,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:59:48,763 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:59:48,764 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:59:48,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:59:48,767 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:59:48,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:59:48,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:59:48,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:59:48,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:59:48,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:59:48,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:59:48,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:59:48,799 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:59:48,799 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:59:48,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:59:48,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:59:48,803 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:59:48,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:59:48,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:59:48,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:59:48,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:59:48,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:59:48,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:59:48,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:59:48,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:59:48,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:59:48,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:59:48,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:59:48,820 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:59:48,848 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:59:48,848 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:59:48,853 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:59:48,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:59:48,853 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:59:48,853 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:59:48,854 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:59:48,854 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:59:48,854 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:59:48,854 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:59:48,855 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:59:48,855 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:59:48,857 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:59:48,857 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:59:48,857 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:59:48,858 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:59:48,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:59:48,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:59:48,859 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:59:48,859 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:59:48,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:59:48,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:59:48,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:59:48,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:59:48,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:59:48,863 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:59:48,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:59:48,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:59:48,863 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 -> 0ee778e7878bd361e43766b511689dc208365045 [2019-11-27 15:59:49,270 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:59:49,289 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:59:49,296 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:59:49,299 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:59:49,302 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:59:49,303 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem17_label56.c [2019-11-27 15:59:49,391 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9167826b/0efd652403e14af89c4de1405450a989/FLAG23fbdb1fc [2019-11-27 15:59:50,471 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:59:50,474 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem17_label56.c [2019-11-27 15:59:50,511 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9167826b/0efd652403e14af89c4de1405450a989/FLAG23fbdb1fc [2019-11-27 15:59:50,925 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9167826b/0efd652403e14af89c4de1405450a989 [2019-11-27 15:59:50,931 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:59:50,935 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:59:50,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:59:50,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:59:50,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:59:50,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:59:50" (1/1) ... [2019-11-27 15:59:50,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38d4f559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:50, skipping insertion in model container [2019-11-27 15:59:50,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:59:50" (1/1) ... [2019-11-27 15:59:50,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:59:51,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:59:52,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:59:52,571 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:59:53,156 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:59:53,202 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:59:53,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:53 WrapperNode [2019-11-27 15:59:53,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:59:53,208 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:59:53,208 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:59:53,209 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:59:53,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:53" (1/1) ... [2019-11-27 15:59:53,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:53" (1/1) ... [2019-11-27 15:59:53,659 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:59:53,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:59:53,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:59:53,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:59:53,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:53" (1/1) ... [2019-11-27 15:59:53,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:53" (1/1) ... [2019-11-27 15:59:53,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:53" (1/1) ... [2019-11-27 15:59:53,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:53" (1/1) ... [2019-11-27 15:59:53,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:53" (1/1) ... [2019-11-27 15:59:53,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:53" (1/1) ... [2019-11-27 15:59:54,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:59:53" (1/1) ... [2019-11-27 15:59:54,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:59:54,173 INFO L168 Benchmark]: Toolchain (without parser) took 3237.63 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 776.4 MB in the end (delta: 179.5 MB). Peak memory consumption was 179.6 MB. Max. memory is 12.5 GB. [2019-11-27 15:59:54,175 INFO L168 Benchmark]: CDTParser took 0.22 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 15:59:54,177 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2271.41 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 873.9 MB in the end (delta: 76.3 MB). Peak memory consumption was 76.4 MB. Max. memory is 12.5 GB. [2019-11-27 15:59:54,180 INFO L168 Benchmark]: Boogie Procedure Inliner took 453.52 ms. Allocated memory is still 1.0 GB. Free memory was 873.9 MB in the beginning and 810.8 MB in the end (delta: 63.2 MB). Peak memory consumption was 63.2 MB. Max. memory is 12.5 GB. [2019-11-27 15:59:54,183 INFO L168 Benchmark]: Boogie Preprocessor took 506.25 ms. Allocated memory is still 1.0 GB. Free memory was 810.8 MB in the beginning and 776.4 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. [2019-11-27 15:59:54,193 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 2271.41 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 873.9 MB in the end (delta: 76.3 MB). Peak memory consumption was 76.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 453.52 ms. Allocated memory is still 1.0 GB. Free memory was 873.9 MB in the beginning and 810.8 MB in the end (delta: 63.2 MB). Peak memory consumption was 63.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 506.25 ms. Allocated memory is still 1.0 GB. Free memory was 810.8 MB in the beginning and 776.4 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 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 15:59:56,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:59:56,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:59:56,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:59:56,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:59:56,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:59:56,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:59:56,903 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:59:56,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:59:56,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:59:56,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:59:56,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:59:56,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:59:56,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:59:56,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:59:56,925 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:59:56,929 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:59:56,930 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:59:56,934 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:59:56,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:59:56,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:59:56,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:59:56,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:59:56,953 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:59:56,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:59:56,960 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:59:56,960 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:59:56,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:59:56,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:59:56,964 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:59:56,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:59:56,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:59:56,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:59:56,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:59:56,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:59:56,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:59:56,974 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:59:56,974 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:59:56,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:59:56,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:59:56,978 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:59:56,979 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:59:57,019 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:59:57,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:59:57,022 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:59:57,027 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:59:57,027 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:59:57,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:59:57,028 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:59:57,028 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:59:57,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:59:57,030 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:59:57,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:59:57,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:59:57,031 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:59:57,031 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:59:57,032 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:59:57,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:59:57,032 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:59:57,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:59:57,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:59:57,036 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:59:57,036 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:59:57,038 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:59:57,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:59:57,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:59:57,040 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:59:57,040 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:59:57,040 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:59:57,040 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:59:57,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:59:57,043 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:59:57,044 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 -> 0ee778e7878bd361e43766b511689dc208365045 [2019-11-27 15:59:57,408 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:59:57,421 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:59:57,429 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:59:57,431 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:59:57,431 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:59:57,435 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem17_label56.c [2019-11-27 15:59:57,545 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbb5cb111/7ce0340af4f348dc840d76e01a87e495/FLAGb918c2496 [2019-11-27 15:59:58,591 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:59:58,592 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem17_label56.c [2019-11-27 15:59:58,636 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbb5cb111/7ce0340af4f348dc840d76e01a87e495/FLAGb918c2496 [2019-11-27 15:59:59,076 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbb5cb111/7ce0340af4f348dc840d76e01a87e495 [2019-11-27 15:59:59,087 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:59:59,088 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:59:59,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:59:59,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:59:59,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:59:59,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:59:59" (1/1) ... [2019-11-27 15:59:59,105 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 03:59:59, skipping insertion in model container [2019-11-27 15:59:59,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:59:59" (1/1) ... [2019-11-27 15:59:59,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:59:59,265 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:00:00,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:00:00,869 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:00:01,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:00:01,578 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:00:01,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:01 WrapperNode [2019-11-27 16:00:01,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:00:01,583 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:00:01,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:00:01,584 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:00:01,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:01" (1/1) ... [2019-11-27 16:00:01,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:01" (1/1) ... [2019-11-27 16:00:01,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:00:01,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:00:01,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:00:01,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:00:01,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:01" (1/1) ... [2019-11-27 16:00:01,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:01" (1/1) ... [2019-11-27 16:00:01,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:01" (1/1) ... [2019-11-27 16:00:01,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:01" (1/1) ... [2019-11-27 16:00:02,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:01" (1/1) ... [2019-11-27 16:00:02,180 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:01" (1/1) ... [2019-11-27 16:00:02,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:00:01" (1/1) ... [2019-11-27 16:00:02,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:00:02,292 INFO L168 Benchmark]: Toolchain (without parser) took 3198.41 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 788.1 MB in the end (delta: 167.9 MB). Peak memory consumption was 167.9 MB. Max. memory is 12.5 GB. [2019-11-27 16:00:02,293 INFO L168 Benchmark]: CDTParser took 2.39 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 16:00:02,296 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2491.00 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 828.2 MB in the end (delta: 122.0 MB). Peak memory consumption was 122.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:00:02,298 INFO L168 Benchmark]: Boogie Procedure Inliner took 336.43 ms. Allocated memory is still 1.0 GB. Free memory was 828.2 MB in the beginning and 805.3 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-27 16:00:02,301 INFO L168 Benchmark]: Boogie Preprocessor took 361.78 ms. Allocated memory is still 1.0 GB. Free memory was 805.3 MB in the beginning and 788.1 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:00:02,308 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.39 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 2491.00 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 828.2 MB in the end (delta: 122.0 MB). Peak memory consumption was 122.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 336.43 ms. Allocated memory is still 1.0 GB. Free memory was 828.2 MB in the beginning and 805.3 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 361.78 ms. Allocated memory is still 1.0 GB. Free memory was 805.3 MB in the beginning and 788.1 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...