./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0873a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_730a0c95-1af9-416a-92b1-a99d250fb3bc/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_730a0c95-1af9-416a-92b1-a99d250fb3bc/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_730a0c95-1af9-416a-92b1-a99d250fb3bc/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_730a0c95-1af9-416a-92b1-a99d250fb3bc/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0873a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_730a0c95-1af9-416a-92b1-a99d250fb3bc/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_730a0c95-1af9-416a-92b1-a99d250fb3bc/bin/uautomizer --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 01b99343bbfb4ebb1b4659c391835d27a39fffe9 ............................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_730a0c95-1af9-416a-92b1-a99d250fb3bc/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_730a0c95-1af9-416a-92b1-a99d250fb3bc/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_730a0c95-1af9-416a-92b1-a99d250fb3bc/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_730a0c95-1af9-416a-92b1-a99d250fb3bc/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0873a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_730a0c95-1af9-416a-92b1-a99d250fb3bc/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_730a0c95-1af9-416a-92b1-a99d250fb3bc/bin/uautomizer --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 01b99343bbfb4ebb1b4659c391835d27a39fffe9 .................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 20:47:41,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 20:47:41,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 20:47:41,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 20:47:41,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 20:47:41,688 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 20:47:41,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 20:47:41,698 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 20:47:41,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 20:47:41,706 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 20:47:41,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 20:47:41,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 20:47:41,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 20:47:41,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 20:47:41,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 20:47:41,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 20:47:41,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 20:47:41,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 20:47:41,716 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 20:47:41,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 20:47:41,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 20:47:41,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 20:47:41,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 20:47:41,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 20:47:41,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 20:47:41,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 20:47:41,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 20:47:41,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 20:47:41,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 20:47:41,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 20:47:41,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 20:47:41,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 20:47:41,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 20:47:41,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 20:47:41,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 20:47:41,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 20:47:41,736 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 20:47:41,736 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 20:47:41,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 20:47:41,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 20:47:41,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 20:47:41,739 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_730a0c95-1af9-416a-92b1-a99d250fb3bc/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 20:47:41,762 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 20:47:41,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 20:47:41,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 20:47:41,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 20:47:41,764 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 20:47:41,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 20:47:41,764 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 20:47:41,764 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 20:47:41,764 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 20:47:41,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 20:47:41,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 20:47:41,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 20:47:41,765 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 20:47:41,765 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 20:47:41,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 20:47:41,766 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 20:47:41,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 20:47:41,766 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 20:47:41,766 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 20:47:41,767 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 20:47:41,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 20:47:41,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:47:41,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 20:47:41,767 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 20:47:41,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 20:47:41,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 20:47:41,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 20:47:41,768 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 20:47:41,768 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_730a0c95-1af9-416a-92b1-a99d250fb3bc/bin/uautomizer 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 -> 01b99343bbfb4ebb1b4659c391835d27a39fffe9 [2019-11-15 20:47:41,810 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 20:47:41,821 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 20:47:41,825 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 20:47:41,826 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 20:47:41,826 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 20:47:41,828 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_730a0c95-1af9-416a-92b1-a99d250fb3bc/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0873a.c [2019-11-15 20:47:41,885 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_730a0c95-1af9-416a-92b1-a99d250fb3bc/bin/uautomizer/data/ad1a1e73d/4b56cfa6b0d04b4a99e6eb78032c7862/FLAGc12041f03 [2019-11-15 20:47:42,343 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 20:47:42,343 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_730a0c95-1af9-416a-92b1-a99d250fb3bc/sv-benchmarks/c/float-newlib/double_req_bl_0873a.c [2019-11-15 20:47:42,352 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_730a0c95-1af9-416a-92b1-a99d250fb3bc/bin/uautomizer/data/ad1a1e73d/4b56cfa6b0d04b4a99e6eb78032c7862/FLAGc12041f03 [2019-11-15 20:47:42,696 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_730a0c95-1af9-416a-92b1-a99d250fb3bc/bin/uautomizer/data/ad1a1e73d/4b56cfa6b0d04b4a99e6eb78032c7862 [2019-11-15 20:47:42,699 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 20:47:42,701 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 20:47:42,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 20:47:42,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 20:47:42,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 20:47:42,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:47:42" (1/1) ... [2019-11-15 20:47:42,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d47d737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:47:42, skipping insertion in model container [2019-11-15 20:47:42,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:47:42" (1/1) ... [2019-11-15 20:47:42,728 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 20:47:42,781 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 20:47:43,038 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1593) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.lambda$35(StandardFunctionHandler.java:317) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:210) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1262) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1832) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1455) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:906) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1432) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:906) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2176) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:187) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:114) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-15 20:47:43,043 INFO L168 Benchmark]: Toolchain (without parser) took 341.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -156.8 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-15 20:47:43,044 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:47:43,045 INFO L168 Benchmark]: CACSL2BoogieTranslator took 333.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -162.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-15 20:47:43,046 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 333.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -162.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-11-15 20:47:44,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 20:47:44,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 20:47:44,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 20:47:44,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 20:47:44,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 20:47:44,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 20:47:44,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 20:47:44,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 20:47:44,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 20:47:44,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 20:47:44,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 20:47:44,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 20:47:44,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 20:47:44,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 20:47:44,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 20:47:44,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 20:47:44,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 20:47:44,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 20:47:44,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 20:47:45,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 20:47:45,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 20:47:45,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 20:47:45,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 20:47:45,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 20:47:45,013 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 20:47:45,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 20:47:45,017 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 20:47:45,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 20:47:45,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 20:47:45,020 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 20:47:45,021 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 20:47:45,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 20:47:45,023 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 20:47:45,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 20:47:45,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 20:47:45,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 20:47:45,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 20:47:45,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 20:47:45,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 20:47:45,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 20:47:45,029 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_730a0c95-1af9-416a-92b1-a99d250fb3bc/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-15 20:47:45,056 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 20:47:45,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 20:47:45,070 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 20:47:45,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 20:47:45,071 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 20:47:45,071 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 20:47:45,071 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 20:47:45,072 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 20:47:45,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 20:47:45,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 20:47:45,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 20:47:45,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 20:47:45,074 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 20:47:45,074 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 20:47:45,074 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 20:47:45,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 20:47:45,075 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 20:47:45,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 20:47:45,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 20:47:45,075 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 20:47:45,076 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 20:47:45,076 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 20:47:45,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:47:45,077 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 20:47:45,077 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 20:47:45,077 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 20:47:45,077 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 20:47:45,078 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 20:47:45,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 20:47:45,078 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 20:47:45,078 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_730a0c95-1af9-416a-92b1-a99d250fb3bc/bin/uautomizer 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 -> 01b99343bbfb4ebb1b4659c391835d27a39fffe9 [2019-11-15 20:47:45,131 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 20:47:45,140 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 20:47:45,147 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 20:47:45,149 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 20:47:45,149 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 20:47:45,150 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_730a0c95-1af9-416a-92b1-a99d250fb3bc/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0873a.c [2019-11-15 20:47:45,197 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_730a0c95-1af9-416a-92b1-a99d250fb3bc/bin/uautomizer/data/d66cf1384/dfa5aa0452074e19921e9bf3b245a2e5/FLAG53843dede [2019-11-15 20:47:45,595 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 20:47:45,598 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_730a0c95-1af9-416a-92b1-a99d250fb3bc/sv-benchmarks/c/float-newlib/double_req_bl_0873a.c [2019-11-15 20:47:45,607 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_730a0c95-1af9-416a-92b1-a99d250fb3bc/bin/uautomizer/data/d66cf1384/dfa5aa0452074e19921e9bf3b245a2e5/FLAG53843dede [2019-11-15 20:47:45,925 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_730a0c95-1af9-416a-92b1-a99d250fb3bc/bin/uautomizer/data/d66cf1384/dfa5aa0452074e19921e9bf3b245a2e5 [2019-11-15 20:47:45,929 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 20:47:45,930 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 20:47:45,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 20:47:45,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 20:47:45,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 20:47:45,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:47:45" (1/1) ... [2019-11-15 20:47:45,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@102fce83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:47:45, skipping insertion in model container [2019-11-15 20:47:45,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:47:45" (1/1) ... [2019-11-15 20:47:45,950 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 20:47:45,993 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 20:47:46,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:47:46,398 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 20:47:46,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:47:46,584 INFO L192 MainTranslator]: Completed translation [2019-11-15 20:47:46,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:47:46 WrapperNode [2019-11-15 20:47:46,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 20:47:46,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 20:47:46,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 20:47:46,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 20:47:46,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:47:46" (1/1) ... [2019-11-15 20:47:46,619 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:47:46" (1/1) ... [2019-11-15 20:47:46,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 20:47:46,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 20:47:46,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 20:47:46,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 20:47:46,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:47:46" (1/1) ... [2019-11-15 20:47:46,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:47:46" (1/1) ... [2019-11-15 20:47:46,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:47:46" (1/1) ... [2019-11-15 20:47:46,697 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:47:46" (1/1) ... [2019-11-15 20:47:46,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:47:46" (1/1) ... [2019-11-15 20:47:46,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:47:46" (1/1) ... [2019-11-15 20:47:46,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:47:46" (1/1) ... [2019-11-15 20:47:46,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 20:47:46,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 20:47:46,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 20:47:46,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 20:47:46,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:47:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_730a0c95-1af9-416a-92b1-a99d250fb3bc/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:47:46,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-15 20:47:46,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-15 20:47:46,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 20:47:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-11-15 20:47:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-15 20:47:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 20:47:46,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 20:47:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-15 20:47:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 20:48:31,285 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 20:48:31,286 INFO L284 CfgBuilder]: Removed 88 assume(true) statements. [2019-11-15 20:48:31,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:48:31 BoogieIcfgContainer [2019-11-15 20:48:31,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 20:48:31,288 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 20:48:31,288 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 20:48:31,290 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 20:48:31,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 08:47:45" (1/3) ... [2019-11-15 20:48:31,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b687447 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:48:31, skipping insertion in model container [2019-11-15 20:48:31,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:47:46" (2/3) ... [2019-11-15 20:48:31,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b687447 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:48:31, skipping insertion in model container [2019-11-15 20:48:31,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:48:31" (3/3) ... [2019-11-15 20:48:31,293 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0873a.c [2019-11-15 20:48:31,302 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 20:48:31,309 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 20:48:31,319 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 20:48:31,340 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 20:48:31,340 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 20:48:31,340 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 20:48:31,340 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 20:48:31,341 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 20:48:31,341 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 20:48:31,341 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 20:48:31,341 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 20:48:31,358 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states. [2019-11-15 20:48:31,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-15 20:48:31,363 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:48:31,363 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:48:31,365 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:48:31,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:48:31,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1640331358, now seen corresponding path program 1 times [2019-11-15 20:48:31,377 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 20:48:31,377 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1786345321] [2019-11-15 20:48:31,378 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_730a0c95-1af9-416a-92b1-a99d250fb3bc/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-15 20:48:31,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:48:31,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-15 20:48:31,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:48:31,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:48:31,644 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 20:48:31,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:48:31,653 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1786345321] [2019-11-15 20:48:31,654 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:48:31,654 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-15 20:48:31,654 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257059996] [2019-11-15 20:48:31,659 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 20:48:31,659 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 20:48:31,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 20:48:31,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 20:48:31,674 INFO L87 Difference]: Start difference. First operand 210 states. Second operand 2 states. [2019-11-15 20:48:31,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:48:31,745 INFO L93 Difference]: Finished difference Result 418 states and 716 transitions. [2019-11-15 20:48:31,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 20:48:31,746 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-15 20:48:31,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:48:31,767 INFO L225 Difference]: With dead ends: 418 [2019-11-15 20:48:31,768 INFO L226 Difference]: Without dead ends: 207 [2019-11-15 20:48:31,773 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 20:48:31,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2019-11-15 20:48:31,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2019-11-15 20:48:31,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2019-11-15 20:48:31,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 285 transitions. [2019-11-15 20:48:31,848 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 285 transitions. Word has length 9 [2019-11-15 20:48:31,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:48:31,848 INFO L462 AbstractCegarLoop]: Abstraction has 207 states and 285 transitions. [2019-11-15 20:48:31,849 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 20:48:31,849 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 285 transitions. [2019-11-15 20:48:31,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 20:48:31,850 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:48:31,850 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:48:32,064 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-15 20:48:32,064 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:48:32,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:48:32,064 INFO L82 PathProgramCache]: Analyzing trace with hash 559153733, now seen corresponding path program 1 times [2019-11-15 20:48:32,065 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 20:48:32,065 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [933709385] [2019-11-15 20:48:32,066 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_730a0c95-1af9-416a-92b1-a99d250fb3bc/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-15 20:48:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:48:32,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-15 20:48:32,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:48:32,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:48:32,422 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 20:48:32,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:48:32,547 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [933709385] [2019-11-15 20:48:32,547 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:48:32,547 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-15 20:48:32,547 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036840301] [2019-11-15 20:48:32,549 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 20:48:32,549 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 20:48:32,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 20:48:32,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-15 20:48:32,550 INFO L87 Difference]: Start difference. First operand 207 states and 285 transitions. Second operand 8 states. [2019-11-15 20:48:37,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:48:37,469 INFO L93 Difference]: Finished difference Result 332 states and 449 transitions. [2019-11-15 20:48:37,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 20:48:37,603 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-11-15 20:48:37,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:48:37,604 INFO L225 Difference]: With dead ends: 332 [2019-11-15 20:48:37,604 INFO L226 Difference]: Without dead ends: 137 [2019-11-15 20:48:37,607 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-15 20:48:37,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-11-15 20:48:37,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 133. [2019-11-15 20:48:37,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-11-15 20:48:37,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 166 transitions. [2019-11-15 20:48:37,617 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 166 transitions. Word has length 11 [2019-11-15 20:48:37,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:48:37,618 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 166 transitions. [2019-11-15 20:48:37,618 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 20:48:37,619 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 166 transitions. [2019-11-15 20:48:37,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-15 20:48:37,622 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:48:37,623 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:48:37,838 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-15 20:48:37,838 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:48:37,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:48:37,838 INFO L82 PathProgramCache]: Analyzing trace with hash -305805344, now seen corresponding path program 1 times [2019-11-15 20:48:37,839 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 20:48:37,840 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2004772549] [2019-11-15 20:48:37,840 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_730a0c95-1af9-416a-92b1-a99d250fb3bc/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-15 20:48:38,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:48:38,064 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-15 20:48:38,066 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:48:38,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:48:38,109 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 20:48:38,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:48:38,122 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2004772549] [2019-11-15 20:48:38,122 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:48:38,123 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-15 20:48:38,123 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219598174] [2019-11-15 20:48:38,123 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 20:48:38,123 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 20:48:38,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 20:48:38,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 20:48:38,124 INFO L87 Difference]: Start difference. First operand 133 states and 166 transitions. Second operand 5 states. [2019-11-15 20:48:54,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:48:54,939 INFO L93 Difference]: Finished difference Result 141 states and 172 transitions. [2019-11-15 20:48:54,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 20:48:54,973 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-11-15 20:48:54,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:48:54,974 INFO L225 Difference]: With dead ends: 141 [2019-11-15 20:48:54,975 INFO L226 Difference]: Without dead ends: 137 [2019-11-15 20:48:54,975 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-15 20:48:54,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-11-15 20:48:54,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 133. [2019-11-15 20:48:54,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-11-15 20:48:54,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 164 transitions. [2019-11-15 20:48:54,985 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 164 transitions. Word has length 13 [2019-11-15 20:48:54,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:48:54,985 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 164 transitions. [2019-11-15 20:48:54,985 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 20:48:54,985 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 164 transitions. [2019-11-15 20:48:54,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-15 20:48:54,986 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:48:54,986 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:48:55,195 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-15 20:48:55,195 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:48:55,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:48:55,195 INFO L82 PathProgramCache]: Analyzing trace with hash -305745762, now seen corresponding path program 1 times [2019-11-15 20:48:55,196 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 20:48:55,196 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1660286378] [2019-11-15 20:48:55,196 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_730a0c95-1af9-416a-92b1-a99d250fb3bc/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-15 20:48:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:48:55,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-15 20:48:55,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:48:55,551 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 20:48:55,568 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 47 [2019-11-15 20:48:55,588 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2019-11-15 20:48:55,589 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 20:48:55,605 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:48:55,612 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:48:55,612 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 13 [2019-11-15 20:48:55,613 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-15 20:48:55,615 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:48:55,616 INFO L496 ElimStorePlain]: Start of recursive call 2: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:48:55,631 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:48:55,632 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-15 20:48:55,632 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:75, output treesize:34 [2019-11-15 20:48:55,869 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-15 20:48:55,869 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:277) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive$TermWalker.walk(NonRecursive.java:139) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:195) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder.(ArrayOccurrenceAnalysis.java:181) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis.(ArrayOccurrenceAnalysis.java:83) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis.downgradeDimensionsIfNecessary(ArrayOccurrenceAnalysis.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.computeCostEstimation(ArrayIndexBasedCostEstimation.java:132) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.(ArrayIndexBasedCostEstimation.java:64) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.computeCostEstimation(ElimStorePlain.java:519) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:390) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.checkFeasibility(TraceAbstractionRefinementEngine.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-15 20:48:55,873 INFO L168 Benchmark]: Toolchain (without parser) took 69943.26 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 229.6 MB). Free memory was 947.0 MB in the beginning and 1.2 GB in the end (delta: -219.3 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2019-11-15 20:48:55,874 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:48:55,874 INFO L168 Benchmark]: CACSL2BoogieTranslator took 653.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.3 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -208.2 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-11-15 20:48:55,875 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. [2019-11-15 20:48:55,875 INFO L168 Benchmark]: Boogie Preprocessor took 130.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. [2019-11-15 20:48:55,875 INFO L168 Benchmark]: RCFGBuilder took 44484.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 109.4 MB). Peak memory consumption was 109.4 MB. Max. memory is 11.5 GB. [2019-11-15 20:48:55,876 INFO L168 Benchmark]: TraceAbstraction took 24584.78 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 51.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -144.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:48:55,883 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 653.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.3 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -208.2 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 130.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 44484.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 109.4 MB). Peak memory consumption was 109.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 24584.78 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 51.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -144.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:277) RESULT: Ultimate could not prove your program: Toolchain returned no result. [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...