./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem04_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/Problem04_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 648066203bff8b211d4f3f50b9fec43b0c1cab3d ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem04_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 648066203bff8b211d4f3f50b9fec43b0c1cab3d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 20:41:19,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:41:19,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:41:19,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:41:19,720 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:41:19,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:41:19,740 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:41:19,756 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:41:19,758 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:41:19,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:41:19,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:41:19,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:41:19,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:41:19,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:41:19,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:41:19,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:41:19,793 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:41:19,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:41:19,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:41:19,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:41:19,819 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:41:19,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:41:19,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:41:19,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:41:19,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:41:19,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:41:19,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:41:19,845 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:41:19,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:41:19,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:41:19,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:41:19,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:41:19,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:41:19,858 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:41:19,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:41:19,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:41:19,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:41:19,865 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:41:19,865 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:41:19,866 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:41:19,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:41:19,871 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 20:41:19,912 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:41:19,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:41:19,918 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:41:19,918 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:41:19,919 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:41:19,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:41:19,920 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:41:19,923 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 20:41:19,923 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:41:19,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:41:19,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:41:19,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:41:19,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:41:19,926 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:41:19,927 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:41:19,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:41:19,930 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:41:19,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:41:19,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:41:19,931 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:41:19,931 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:41:19,931 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:41:19,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:41:19,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:41:19,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:41:19,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:41:19,935 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 20:41:19,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 20:41:19,936 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:41:19,936 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 -> 648066203bff8b211d4f3f50b9fec43b0c1cab3d [2019-11-24 20:41:20,593 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:41:20,625 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:41:20,632 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:41:20,637 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:41:20,638 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:41:20,639 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem04_label26.c [2019-11-24 20:41:20,800 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93ac06b92/c1112c7c69ab4ba59a14a8cab88de16a/FLAG0be02a327 [2019-11-24 20:41:22,498 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:41:22,499 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem04_label26.c [2019-11-24 20:41:22,566 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93ac06b92/c1112c7c69ab4ba59a14a8cab88de16a/FLAG0be02a327 [2019-11-24 20:41:22,606 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93ac06b92/c1112c7c69ab4ba59a14a8cab88de16a [2019-11-24 20:41:22,612 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:41:22,619 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:41:22,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:41:22,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:41:22,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:41:22,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:41:22" (1/1) ... [2019-11-24 20:41:22,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c10032a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:22, skipping insertion in model container [2019-11-24 20:41:22,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:41:22" (1/1) ... [2019-11-24 20:41:22,668 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:41:22,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:41:26,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:41:26,174 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:41:27,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:41:27,844 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:41:27,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:27 WrapperNode [2019-11-24 20:41:27,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:41:27,852 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:41:27,852 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:41:27,853 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:41:27,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:27" (1/1) ... [2019-11-24 20:41:27,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:27" (1/1) ... [2019-11-24 20:41:28,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:41:28,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:41:28,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:41:28,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:41:28,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:27" (1/1) ... [2019-11-24 20:41:28,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:27" (1/1) ... [2019-11-24 20:41:28,416 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:27" (1/1) ... [2019-11-24 20:41:28,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:27" (1/1) ... [2019-11-24 20:41:28,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:27" (1/1) ... [2019-11-24 20:41:28,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:27" (1/1) ... [2019-11-24 20:41:28,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:27" (1/1) ... [2019-11-24 20:41:28,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:41:28,828 INFO L168 Benchmark]: Toolchain (without parser) took 6203.13 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 751.4 MB in the end (delta: 193.1 MB). Peak memory consumption was 193.2 MB. Max. memory is 12.5 GB. [2019-11-24 20:41:28,829 INFO L168 Benchmark]: CDTParser took 2.27 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 20:41:28,834 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5225.26 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 820.4 MB in the end (delta: 124.1 MB). Peak memory consumption was 124.2 MB. Max. memory is 12.5 GB. [2019-11-24 20:41:28,838 INFO L168 Benchmark]: Boogie Procedure Inliner took 492.57 ms. Allocated memory is still 1.0 GB. Free memory was 820.4 MB in the beginning and 780.3 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. [2019-11-24 20:41:28,840 INFO L168 Benchmark]: Boogie Preprocessor took 473.71 ms. Allocated memory is still 1.0 GB. Free memory was 780.3 MB in the beginning and 751.4 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 12.5 GB. [2019-11-24 20:41:28,851 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.27 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 5225.26 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 820.4 MB in the end (delta: 124.1 MB). Peak memory consumption was 124.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 492.57 ms. Allocated memory is still 1.0 GB. Free memory was 820.4 MB in the beginning and 780.3 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 473.71 ms. Allocated memory is still 1.0 GB. Free memory was 780.3 MB in the beginning and 751.4 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 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 20:41:32,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:41:32,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:41:32,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:41:32,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:41:32,805 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:41:32,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:41:32,826 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:41:32,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:41:32,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:41:32,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:41:32,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:41:32,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:41:32,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:41:32,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:41:32,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:41:32,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:41:32,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:41:32,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:41:32,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:41:32,888 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:41:32,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:41:32,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:41:32,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:41:32,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:41:32,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:41:32,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:41:32,914 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:41:32,915 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:41:32,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:41:32,919 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:41:32,920 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:41:32,921 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:41:32,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:41:32,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:41:32,929 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:41:32,931 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:41:32,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:41:32,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:41:32,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:41:32,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:41:32,939 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 20:41:32,979 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:41:32,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:41:32,986 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:41:32,986 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:41:32,987 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:41:32,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:41:32,990 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:41:32,990 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:41:32,990 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:41:32,991 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:41:32,992 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:41:32,992 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:41:32,993 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:41:32,993 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 20:41:32,994 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 20:41:32,995 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:41:32,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:41:32,995 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:41:32,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:41:32,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:41:32,998 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:41:32,999 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:41:32,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:41:32,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:41:33,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:41:33,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:41:33,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:41:33,003 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 20:41:33,003 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 20:41:33,003 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:41:33,004 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 20:41:33,005 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 -> 648066203bff8b211d4f3f50b9fec43b0c1cab3d [2019-11-24 20:41:33,579 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:41:33,612 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:41:33,622 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:41:33,627 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:41:33,628 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:41:33,629 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem04_label26.c [2019-11-24 20:41:33,784 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/442221d98/1c8bf7ad530746408be7158cb7d231fe/FLAG5864622e4 [2019-11-24 20:41:35,476 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:41:35,481 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem04_label26.c [2019-11-24 20:41:35,558 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/442221d98/1c8bf7ad530746408be7158cb7d231fe/FLAG5864622e4 [2019-11-24 20:41:35,600 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/442221d98/1c8bf7ad530746408be7158cb7d231fe [2019-11-24 20:41:35,609 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:41:35,611 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:41:35,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:41:35,619 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:41:35,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:41:35,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:41:35" (1/1) ... [2019-11-24 20:41:35,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15b6135e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:35, skipping insertion in model container [2019-11-24 20:41:35,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:41:35" (1/1) ... [2019-11-24 20:41:35,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:41:36,042 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:41:39,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:41:39,571 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:41:41,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:41:41,141 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:41:41,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:41 WrapperNode [2019-11-24 20:41:41,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:41:41,147 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:41:41,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:41:41,149 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:41:41,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:41" (1/1) ... [2019-11-24 20:41:41,302 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:41" (1/1) ... [2019-11-24 20:41:41,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:41:41,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:41:41,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:41:41,744 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:41:41,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:41" (1/1) ... [2019-11-24 20:41:41,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:41" (1/1) ... [2019-11-24 20:41:41,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:41" (1/1) ... [2019-11-24 20:41:41,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:41" (1/1) ... [2019-11-24 20:41:42,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:41" (1/1) ... [2019-11-24 20:41:42,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:41" (1/1) ... [2019-11-24 20:41:42,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:41" (1/1) ... [2019-11-24 20:41:42,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:41:42,241 INFO L168 Benchmark]: Toolchain (without parser) took 6626.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 738.4 MB in the end (delta: 206.1 MB). Peak memory consumption was 206.2 MB. Max. memory is 12.5 GB. [2019-11-24 20:41:42,242 INFO L168 Benchmark]: CDTParser took 0.33 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 20:41:42,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5527.65 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 809.0 MB in the end (delta: 135.5 MB). Peak memory consumption was 135.6 MB. Max. memory is 12.5 GB. [2019-11-24 20:41:42,247 INFO L168 Benchmark]: Boogie Procedure Inliner took 595.77 ms. Allocated memory is still 1.0 GB. Free memory was 809.0 MB in the beginning and 768.8 MB in the end (delta: 40.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 12.5 GB. [2019-11-24 20:41:42,250 INFO L168 Benchmark]: Boogie Preprocessor took 491.66 ms. Allocated memory is still 1.0 GB. Free memory was 768.8 MB in the beginning and 738.4 MB in the end (delta: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 12.5 GB. [2019-11-24 20:41:42,257 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 5527.65 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 809.0 MB in the end (delta: 135.5 MB). Peak memory consumption was 135.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 595.77 ms. Allocated memory is still 1.0 GB. Free memory was 809.0 MB in the beginning and 768.8 MB in the end (delta: 40.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 491.66 ms. Allocated memory is still 1.0 GB. Free memory was 768.8 MB in the beginning and 738.4 MB in the end (delta: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...