./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem16_label25.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/Problem16_label25.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 2f774d79506a747e685df8c7b35cb74edc2182c3 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem16_label25.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 2f774d79506a747e685df8c7b35cb74edc2182c3 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:58:42,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:58:42,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:58:42,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:58:42,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:58:42,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:58:42,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:58:42,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:58:42,792 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:58:42,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:58:42,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:58:42,802 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:58:42,805 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:58:42,811 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:58:42,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:58:42,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:58:42,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:58:42,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:58:42,832 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:58:42,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:58:42,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:58:42,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:58:42,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:58:42,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:58:42,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:58:42,871 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:58:42,871 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:58:42,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:58:42,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:58:42,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:58:42,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:58:42,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:58:42,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:58:42,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:58:42,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:58:42,892 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:58:42,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:58:42,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:58:42,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:58:42,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:58:42,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:58:42,905 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:58:42,949 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:58:42,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:58:42,954 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:58:42,956 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:58:42,956 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:58:42,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:58:42,958 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:58:42,959 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:58:42,959 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:58:42,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:58:42,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:58:42,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:58:42,963 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:58:42,963 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:58:42,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:58:42,966 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:58:42,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:58:42,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:58:42,967 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:58:42,968 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:58:42,969 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:58:42,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:58:42,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:58:42,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:58:42,971 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:58:42,971 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:58:42,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:58:42,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:58:42,974 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 -> 2f774d79506a747e685df8c7b35cb74edc2182c3 [2019-11-27 15:58:43,611 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:58:43,639 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:58:43,648 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:58:43,650 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:58:43,653 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:58:43,654 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label25.c [2019-11-27 15:58:43,811 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93590296e/2dab4a5fefca4c1380bed75782487c67/FLAGf09512f54 [2019-11-27 15:58:45,344 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:58:45,348 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label25.c [2019-11-27 15:58:45,392 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93590296e/2dab4a5fefca4c1380bed75782487c67/FLAGf09512f54 [2019-11-27 15:58:45,431 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93590296e/2dab4a5fefca4c1380bed75782487c67 [2019-11-27 15:58:45,441 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:58:45,445 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:58:45,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:58:45,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:58:45,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:58:45,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:58:45" (1/1) ... [2019-11-27 15:58:45,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cad85d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:45, skipping insertion in model container [2019-11-27 15:58:45,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:58:45" (1/1) ... [2019-11-27 15:58:45,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:58:45,644 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:58:47,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:58:47,423 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:58:47,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:58:48,036 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:58:48,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:48 WrapperNode [2019-11-27 15:58:48,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:58:48,041 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:58:48,044 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:58:48,044 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:58:48,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:48" (1/1) ... [2019-11-27 15:58:48,134 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:48" (1/1) ... [2019-11-27 15:58:48,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:58:48,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:58:48,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:58:48,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:58:48,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:48" (1/1) ... [2019-11-27 15:58:48,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:48" (1/1) ... [2019-11-27 15:58:48,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:48" (1/1) ... [2019-11-27 15:58:48,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:48" (1/1) ... [2019-11-27 15:58:48,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:48" (1/1) ... [2019-11-27 15:58:48,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:48" (1/1) ... [2019-11-27 15:58:48,706 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:48" (1/1) ... [2019-11-27 15:58:48,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:58:48,781 INFO L168 Benchmark]: Toolchain (without parser) took 3332.49 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 892.3 MB in the end (delta: 63.7 MB). Peak memory consumption was 63.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:58:48,784 INFO L168 Benchmark]: CDTParser took 3.29 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 15:58:48,786 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2593.59 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 932.4 MB in the end (delta: 23.6 MB). Peak memory consumption was 27.9 MB. Max. memory is 12.5 GB. [2019-11-27 15:58:48,790 INFO L168 Benchmark]: Boogie Procedure Inliner took 352.02 ms. Allocated memory is still 1.0 GB. Free memory was 932.4 MB in the beginning and 909.5 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-27 15:58:48,794 INFO L168 Benchmark]: Boogie Preprocessor took 379.07 ms. Allocated memory is still 1.0 GB. Free memory was 909.5 MB in the beginning and 892.3 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-27 15:58:48,807 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.29 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 2593.59 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 932.4 MB in the end (delta: 23.6 MB). Peak memory consumption was 27.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 352.02 ms. Allocated memory is still 1.0 GB. Free memory was 932.4 MB in the beginning and 909.5 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 379.07 ms. Allocated memory is still 1.0 GB. Free memory was 909.5 MB in the beginning and 892.3 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 15:58:52,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:58:52,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:58:52,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:58:52,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:58:52,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:58:52,841 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:58:52,859 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:58:52,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:58:52,867 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:58:52,869 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:58:52,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:58:52,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:58:52,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:58:52,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:58:52,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:58:52,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:58:52,896 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:58:52,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:58:52,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:58:52,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:58:52,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:58:52,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:58:52,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:58:52,940 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:58:52,941 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:58:52,941 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:58:52,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:58:52,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:58:52,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:58:52,949 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:58:52,952 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:58:52,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:58:52,958 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:58:52,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:58:52,961 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:58:52,962 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:58:52,964 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:58:52,964 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:58:52,965 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:58:52,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:58:52,972 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:58:53,010 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:58:53,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:58:53,018 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:58:53,018 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:58:53,019 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:58:53,019 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:58:53,021 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:58:53,021 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:58:53,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:58:53,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:58:53,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:58:53,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:58:53,026 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:58:53,027 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:58:53,027 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:58:53,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:58:53,028 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:58:53,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:58:53,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:58:53,031 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:58:53,031 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:58:53,031 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:58:53,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:58:53,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:58:53,032 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:58:53,033 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:58:53,033 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:58:53,036 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:58:53,036 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:58:53,037 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:58:53,038 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 -> 2f774d79506a747e685df8c7b35cb74edc2182c3 [2019-11-27 15:58:53,674 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:58:53,708 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:58:53,716 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:58:53,720 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:58:53,722 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:58:53,724 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label25.c [2019-11-27 15:58:53,880 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/080c559e2/039294926c66475dbd9de12d17ed6afc/FLAG4c00b1a52 [2019-11-27 15:58:55,412 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:58:55,413 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label25.c [2019-11-27 15:58:55,471 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/080c559e2/039294926c66475dbd9de12d17ed6afc/FLAG4c00b1a52 [2019-11-27 15:58:55,511 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/080c559e2/039294926c66475dbd9de12d17ed6afc [2019-11-27 15:58:55,521 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:58:55,527 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:58:55,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:58:55,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:58:55,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:58:55,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:58:55" (1/1) ... [2019-11-27 15:58:55,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cad85d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:55, skipping insertion in model container [2019-11-27 15:58:55,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:58:55" (1/1) ... [2019-11-27 15:58:55,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:58:55,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:58:57,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:58:57,598 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:58:58,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:58:58,259 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:58:58,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:58 WrapperNode [2019-11-27 15:58:58,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:58:58,262 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:58:58,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:58:58,265 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:58:58,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:58" (1/1) ... [2019-11-27 15:58:58,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:58" (1/1) ... [2019-11-27 15:58:58,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:58:58,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:58:58,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:58:58,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:58:58,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:58" (1/1) ... [2019-11-27 15:58:58,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:58" (1/1) ... [2019-11-27 15:58:58,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:58" (1/1) ... [2019-11-27 15:58:58,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:58" (1/1) ... [2019-11-27 15:58:58,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:58" (1/1) ... [2019-11-27 15:58:58,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:58" (1/1) ... [2019-11-27 15:58:58,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:58:58" (1/1) ... [2019-11-27 15:58:58,792 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:58:58,801 INFO L168 Benchmark]: Toolchain (without parser) took 3270.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 892.6 MB in the end (delta: 69.1 MB). Peak memory consumption was 69.1 MB. Max. memory is 12.5 GB. [2019-11-27 15:58:58,803 INFO L168 Benchmark]: CDTParser took 2.84 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 15:58:58,807 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2730.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 915.6 MB in the end (delta: 46.1 MB). Peak memory consumption was 46.2 MB. Max. memory is 12.5 GB. [2019-11-27 15:58:58,809 INFO L168 Benchmark]: Boogie Procedure Inliner took 289.25 ms. Allocated memory is still 1.0 GB. Free memory was 915.6 MB in the beginning and 904.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:58:58,813 INFO L168 Benchmark]: Boogie Preprocessor took 241.42 ms. Allocated memory is still 1.0 GB. Free memory was 904.1 MB in the beginning and 892.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:58:58,824 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.84 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 2730.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 915.6 MB in the end (delta: 46.1 MB). Peak memory consumption was 46.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 289.25 ms. Allocated memory is still 1.0 GB. Free memory was 915.6 MB in the beginning and 904.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 241.42 ms. Allocated memory is still 1.0 GB. Free memory was 904.1 MB in the beginning and 892.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...