./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem12_label26.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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/Problem12_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 c1d300a7fd30985bf629d211274dd9eceebf3054 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem12_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 c1d300a7fd30985bf629d211274dd9eceebf3054 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 20:52:24,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:52:24,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:52:24,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:52:24,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:52:24,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:52:24,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:52:24,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:52:24,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:52:24,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:52:24,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:52:24,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:52:24,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:52:24,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:52:24,741 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:52:24,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:52:24,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:52:24,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:52:24,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:52:24,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:52:24,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:52:24,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:52:24,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:52:24,788 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:52:24,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:52:24,799 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:52:24,799 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:52:24,801 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:52:24,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:52:24,805 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:52:24,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:52:24,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:52:24,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:52:24,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:52:24,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:52:24,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:52:24,822 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:52:24,823 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:52:24,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:52:24,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:52:24,831 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:52:24,832 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 20:52:24,875 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:52:24,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:52:24,882 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:52:24,882 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:52:24,883 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:52:24,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:52:24,883 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:52:24,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 20:52:24,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:52:24,887 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:52:24,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:52:24,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:52:24,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:52:24,891 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:52:24,892 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:52:24,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:52:24,892 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:52:24,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:52:24,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:52:24,895 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:52:24,896 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:52:24,896 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:52:24,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:52:24,900 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:52:24,900 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:52:24,901 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:52:24,901 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 20:52:24,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 20:52:24,902 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:52:24,902 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 -> c1d300a7fd30985bf629d211274dd9eceebf3054 [2019-11-24 20:52:25,501 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:52:25,534 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:52:25,542 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:52:25,547 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:52:25,549 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:52:25,551 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem12_label26.c [2019-11-24 20:52:25,713 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2618e92af/ebd3913605cc44bca73ca4a2ab19564d/FLAG6dac62b2f [2019-11-24 20:52:27,488 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:52:27,491 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem12_label26.c [2019-11-24 20:52:27,580 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2618e92af/ebd3913605cc44bca73ca4a2ab19564d/FLAG6dac62b2f [2019-11-24 20:52:27,652 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2618e92af/ebd3913605cc44bca73ca4a2ab19564d [2019-11-24 20:52:27,660 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:52:27,665 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:52:27,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:52:27,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:52:27,680 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:52:27,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:52:27" (1/1) ... [2019-11-24 20:52:27,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@210c1c05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:27, skipping insertion in model container [2019-11-24 20:52:27,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:52:27" (1/1) ... [2019-11-24 20:52:27,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:52:28,004 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:52:31,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:52:31,223 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:52:32,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:52:32,771 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:52:32,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:32 WrapperNode [2019-11-24 20:52:32,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:52:32,776 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:52:32,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:52:32,780 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:52:32,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:32" (1/1) ... [2019-11-24 20:52:32,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:32" (1/1) ... [2019-11-24 20:52:33,656 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:52:33,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:52:33,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:52:33,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:52:33,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:32" (1/1) ... [2019-11-24 20:52:33,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:32" (1/1) ... [2019-11-24 20:52:33,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:32" (1/1) ... [2019-11-24 20:52:33,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:32" (1/1) ... [2019-11-24 20:52:34,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:32" (1/1) ... [2019-11-24 20:52:34,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:32" (1/1) ... [2019-11-24 20:52:34,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:32" (1/1) ... [2019-11-24 20:52:34,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:52:34,890 INFO L168 Benchmark]: Toolchain (without parser) took 7220.95 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 913.9 MB in the end (delta: 42.1 MB). Peak memory consumption was 323.0 MB. Max. memory is 12.5 GB. [2019-11-24 20:52:34,891 INFO L168 Benchmark]: CDTParser took 0.98 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. [2019-11-24 20:52:34,892 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5103.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 820.8 MB in the end (delta: 135.1 MB). Peak memory consumption was 135.2 MB. Max. memory is 12.5 GB. [2019-11-24 20:52:34,895 INFO L168 Benchmark]: Boogie Procedure Inliner took 882.29 ms. Allocated memory is still 1.0 GB. Free memory was 820.8 MB in the beginning and 752.1 MB in the end (delta: 68.8 MB). Peak memory consumption was 68.8 MB. Max. memory is 12.5 GB. [2019-11-24 20:52:34,899 INFO L168 Benchmark]: Boogie Preprocessor took 1220.75 ms. Allocated memory is still 1.0 GB. Free memory was 752.1 MB in the beginning and 913.9 MB in the end (delta: -161.8 MB). Peak memory consumption was 119.1 MB. Max. memory is 12.5 GB. [2019-11-24 20:52:34,911 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.98 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 5103.91 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 820.8 MB in the end (delta: 135.1 MB). Peak memory consumption was 135.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 882.29 ms. Allocated memory is still 1.0 GB. Free memory was 820.8 MB in the beginning and 752.1 MB in the end (delta: 68.8 MB). Peak memory consumption was 68.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1220.75 ms. Allocated memory is still 1.0 GB. Free memory was 752.1 MB in the beginning and 913.9 MB in the end (delta: -161.8 MB). Peak memory consumption was 119.1 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 0.1.24-32f2683 [2019-11-24 20:52:38,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:52:38,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:52:38,920 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:52:38,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:52:38,925 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:52:38,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:52:38,946 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:52:38,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:52:38,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:52:38,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:52:38,965 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:52:38,966 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:52:38,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:52:38,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:52:38,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:52:38,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:52:38,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:52:38,993 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:52:39,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:52:39,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:52:39,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:52:39,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:52:39,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:52:39,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:52:39,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:52:39,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:52:39,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:52:39,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:52:39,041 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:52:39,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:52:39,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:52:39,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:52:39,050 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:52:39,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:52:39,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:52:39,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:52:39,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:52:39,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:52:39,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:52:39,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:52:39,065 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 20:52:39,106 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:52:39,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:52:39,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:52:39,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:52:39,114 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:52:39,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:52:39,117 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:52:39,118 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:52:39,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:52:39,118 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:52:39,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:52:39,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:52:39,121 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:52:39,123 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 20:52:39,124 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 20:52:39,124 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:52:39,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:52:39,125 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:52:39,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:52:39,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:52:39,128 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:52:39,129 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:52:39,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:52:39,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:52:39,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:52:39,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:52:39,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:52:39,131 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 20:52:39,133 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 20:52:39,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:52:39,135 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 20:52:39,135 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 -> c1d300a7fd30985bf629d211274dd9eceebf3054 [2019-11-24 20:52:39,644 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:52:39,679 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:52:39,684 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:52:39,691 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:52:39,694 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:52:39,695 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem12_label26.c [2019-11-24 20:52:39,860 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9345afa4/c66bee4b51c64a05b1001455a2297c65/FLAGba1c86720 [2019-11-24 20:52:41,624 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:52:41,625 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem12_label26.c [2019-11-24 20:52:41,711 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9345afa4/c66bee4b51c64a05b1001455a2297c65/FLAGba1c86720 [2019-11-24 20:52:41,748 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9345afa4/c66bee4b51c64a05b1001455a2297c65 [2019-11-24 20:52:41,757 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:52:41,762 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:52:41,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:52:41,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:52:41,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:52:41,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:52:41" (1/1) ... [2019-11-24 20:52:41,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59130246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:41, skipping insertion in model container [2019-11-24 20:52:41,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:52:41" (1/1) ... [2019-11-24 20:52:41,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:52:42,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:52:45,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:52:45,485 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:52:46,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:52:47,059 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:52:47,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:47 WrapperNode [2019-11-24 20:52:47,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:52:47,065 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:52:47,065 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:52:47,067 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:52:47,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:47" (1/1) ... [2019-11-24 20:52:47,179 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:47" (1/1) ... [2019-11-24 20:52:47,534 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:52:47,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:52:47,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:52:47,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:52:47,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:47" (1/1) ... [2019-11-24 20:52:47,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:47" (1/1) ... [2019-11-24 20:52:47,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:47" (1/1) ... [2019-11-24 20:52:47,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:47" (1/1) ... [2019-11-24 20:52:47,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:47" (1/1) ... [2019-11-24 20:52:47,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:47" (1/1) ... [2019-11-24 20:52:47,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:47" (1/1) ... [2019-11-24 20:52:48,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:52:48,355 INFO L168 Benchmark]: Toolchain (without parser) took 6592.06 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 945.9 MB in the beginning and 940.7 MB in the end (delta: 5.3 MB). Peak memory consumption was 284.8 MB. Max. memory is 12.5 GB. [2019-11-24 20:52:48,356 INFO L168 Benchmark]: CDTParser took 3.91 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. [2019-11-24 20:52:48,358 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5296.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 945.9 MB in the beginning and 780.8 MB in the end (delta: 165.2 MB). Peak memory consumption was 165.2 MB. Max. memory is 12.5 GB. [2019-11-24 20:52:48,359 INFO L168 Benchmark]: Boogie Procedure Inliner took 473.41 ms. Allocated memory is still 1.0 GB. Free memory was 780.8 MB in the beginning and 746.1 MB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 12.5 GB. [2019-11-24 20:52:48,361 INFO L168 Benchmark]: Boogie Preprocessor took 801.70 ms. Allocated memory is still 1.0 GB. Free memory was 746.1 MB in the beginning and 940.7 MB in the end (delta: -194.5 MB). Peak memory consumption was 84.9 MB. Max. memory is 12.5 GB. [2019-11-24 20:52:48,369 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.91 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 5296.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 945.9 MB in the beginning and 780.8 MB in the end (delta: 165.2 MB). Peak memory consumption was 165.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 473.41 ms. Allocated memory is still 1.0 GB. Free memory was 780.8 MB in the beginning and 746.1 MB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 801.70 ms. Allocated memory is still 1.0 GB. Free memory was 746.1 MB in the beginning and 940.7 MB in the end (delta: -194.5 MB). Peak memory consumption was 84.9 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...