./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0873b.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_adab7c1c-faf2-47a8-ba60-49f0cb186641/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_adab7c1c-faf2-47a8-ba60-49f0cb186641/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_adab7c1c-faf2-47a8-ba60-49f0cb186641/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_adab7c1c-faf2-47a8-ba60-49f0cb186641/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0873b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_adab7c1c-faf2-47a8-ba60-49f0cb186641/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_adab7c1c-faf2-47a8-ba60-49f0cb186641/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 8b9f1d4d604db7902b4170bb3ee6b57db84e8a88 ............................................................................................................................................................. 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_adab7c1c-faf2-47a8-ba60-49f0cb186641/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_adab7c1c-faf2-47a8-ba60-49f0cb186641/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_adab7c1c-faf2-47a8-ba60-49f0cb186641/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_adab7c1c-faf2-47a8-ba60-49f0cb186641/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0873b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_adab7c1c-faf2-47a8-ba60-49f0cb186641/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_adab7c1c-faf2-47a8-ba60-49f0cb186641/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 8b9f1d4d604db7902b4170bb3ee6b57db84e8a88 .................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:59:55,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:59:55,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:59:55,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:59:55,814 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:59:55,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:59:55,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:59:55,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:59:55,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:59:55,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:59:55,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:59:55,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:59:55,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:59:55,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:59:55,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:59:55,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:59:55,840 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:59:55,841 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:59:55,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:59:55,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:59:55,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:59:55,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:59:55,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:59:55,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:59:55,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:59:55,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:59:55,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:59:55,870 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:59:55,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:59:55,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:59:55,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:59:55,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:59:55,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:59:55,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:59:55,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:59:55,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:59:55,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:59:55,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:59:55,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:59:55,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:59:55,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:59:55,880 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_adab7c1c-faf2-47a8-ba60-49f0cb186641/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 23:59:55,910 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:59:55,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:59:55,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:59:55,912 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:59:55,912 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:59:55,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:59:55,913 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:59:55,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:59:55,913 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:59:55,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:59:55,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:59:55,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:59:55,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:59:55,915 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:59:55,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:59:55,915 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:59:55,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:59:55,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:59:55,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:59:55,916 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:59:55,916 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:59:55,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:59:55,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:59:55,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:59:55,918 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:59:55,918 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:59:55,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 23:59:55,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:59:55,919 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_adab7c1c-faf2-47a8-ba60-49f0cb186641/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 -> 8b9f1d4d604db7902b4170bb3ee6b57db84e8a88 [2019-11-15 23:59:55,947 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:59:55,959 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:59:55,963 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:59:55,964 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:59:55,965 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:59:55,965 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_adab7c1c-faf2-47a8-ba60-49f0cb186641/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0873b.c [2019-11-15 23:59:56,024 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_adab7c1c-faf2-47a8-ba60-49f0cb186641/bin/uautomizer/data/90173089b/6e1bb688c38347e28e270848d624071d/FLAGf778fccbb [2019-11-15 23:59:56,568 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:59:56,569 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_adab7c1c-faf2-47a8-ba60-49f0cb186641/sv-benchmarks/c/float-newlib/double_req_bl_0873b.c [2019-11-15 23:59:56,585 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_adab7c1c-faf2-47a8-ba60-49f0cb186641/bin/uautomizer/data/90173089b/6e1bb688c38347e28e270848d624071d/FLAGf778fccbb [2019-11-15 23:59:56,898 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_adab7c1c-faf2-47a8-ba60-49f0cb186641/bin/uautomizer/data/90173089b/6e1bb688c38347e28e270848d624071d [2019-11-15 23:59:56,901 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:59:56,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:59:56,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:59:56,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:59:56,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:59:56,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:59:56" (1/1) ... [2019-11-15 23:59:56,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6faf513d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:59:56, skipping insertion in model container [2019-11-15 23:59:56,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:59:56" (1/1) ... [2019-11-15 23:59:56,927 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:59:56,967 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:59:57,292 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 23:59:57,298 INFO L168 Benchmark]: Toolchain (without parser) took 395.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 948.8 MB in the beginning and 1.2 GB in the end (delta: -220.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-15 23:59:57,299 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:59:57,300 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 943.5 MB in the beginning and 1.2 GB in the end (delta: -225.5 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-11-15 23:59:57,302 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 389.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 943.5 MB in the beginning and 1.2 GB in the end (delta: -225.5 MB). Peak memory consumption was 17.6 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 23:59:59,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:59:59,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:59:59,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:59:59,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:59:59,613 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:59:59,614 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:59:59,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:59:59,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:59:59,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:59:59,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:59:59,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:59:59,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:59:59,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:59:59,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:59:59,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:59:59,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:59:59,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:59:59,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:59:59,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:59:59,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:59:59,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:59:59,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:59:59,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:59:59,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:59:59,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:59:59,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:59:59,643 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:59:59,644 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:59:59,645 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:59:59,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:59:59,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:59:59,647 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:59:59,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:59:59,650 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:59:59,650 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:59:59,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:59:59,651 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:59:59,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:59:59,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:59:59,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:59:59,655 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_adab7c1c-faf2-47a8-ba60-49f0cb186641/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-15 23:59:59,671 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:59:59,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:59:59,673 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:59:59,673 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:59:59,674 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:59:59,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:59:59,674 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:59:59,675 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:59:59,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:59:59,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:59:59,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:59:59,676 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:59:59,676 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 23:59:59,676 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 23:59:59,676 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:59:59,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:59:59,677 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:59:59,677 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:59:59,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:59:59,678 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:59:59,678 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:59:59,678 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:59:59,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:59:59,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:59:59,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:59:59,679 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:59:59,680 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 23:59:59,680 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 23:59:59,680 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:59:59,681 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 23:59:59,681 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_adab7c1c-faf2-47a8-ba60-49f0cb186641/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 -> 8b9f1d4d604db7902b4170bb3ee6b57db84e8a88 [2019-11-15 23:59:59,717 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:59:59,728 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:59:59,731 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:59:59,733 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:59:59,734 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:59:59,734 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_adab7c1c-faf2-47a8-ba60-49f0cb186641/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0873b.c [2019-11-15 23:59:59,791 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_adab7c1c-faf2-47a8-ba60-49f0cb186641/bin/uautomizer/data/fd260bc76/4cc2d58c096e49ad86209ce070fa47f1/FLAG4c11f4a70 [2019-11-16 00:00:00,275 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:00:00,276 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_adab7c1c-faf2-47a8-ba60-49f0cb186641/sv-benchmarks/c/float-newlib/double_req_bl_0873b.c [2019-11-16 00:00:00,286 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_adab7c1c-faf2-47a8-ba60-49f0cb186641/bin/uautomizer/data/fd260bc76/4cc2d58c096e49ad86209ce070fa47f1/FLAG4c11f4a70 [2019-11-16 00:00:00,696 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_adab7c1c-faf2-47a8-ba60-49f0cb186641/bin/uautomizer/data/fd260bc76/4cc2d58c096e49ad86209ce070fa47f1 [2019-11-16 00:00:00,700 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:00:00,701 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:00:00,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:00:00,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:00:00,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:00:00,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:00:00" (1/1) ... [2019-11-16 00:00:00,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11d7ef0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:00, skipping insertion in model container [2019-11-16 00:00:00,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:00:00" (1/1) ... [2019-11-16 00:00:00,719 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:00:00,770 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:00:01,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:00:01,329 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:00:01,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:00:01,481 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:00:01,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:01 WrapperNode [2019-11-16 00:00:01,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:00:01,483 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:00:01,483 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:00:01,483 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:00:01,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:01" (1/1) ... [2019-11-16 00:00:01,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:01" (1/1) ... [2019-11-16 00:00:01,591 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:00:01,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:00:01,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:00:01,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:00:01,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:01" (1/1) ... [2019-11-16 00:00:01,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:01" (1/1) ... [2019-11-16 00:00:01,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:01" (1/1) ... [2019-11-16 00:00:01,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:01" (1/1) ... [2019-11-16 00:00:01,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:01" (1/1) ... [2019-11-16 00:00:01,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:01" (1/1) ... [2019-11-16 00:00:01,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:01" (1/1) ... [2019-11-16 00:00:01,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:00:01,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:00:01,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:00:01,753 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:00:01,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adab7c1c-faf2-47a8-ba60-49f0cb186641/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 [2019-11-16 00:00:01,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-16 00:00:01,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-16 00:00:01,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-16 00:00:01,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-11-16 00:00:01,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-16 00:00:01,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:00:01,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:00:01,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-16 00:00:01,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-16 00:00:52,136 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:00:52,137 INFO L284 CfgBuilder]: Removed 88 assume(true) statements. [2019-11-16 00:00:52,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:00:52 BoogieIcfgContainer [2019-11-16 00:00:52,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:00:52,140 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:00:52,140 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:00:52,144 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:00:52,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:00:00" (1/3) ... [2019-11-16 00:00:52,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12c62dba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:00:52, skipping insertion in model container [2019-11-16 00:00:52,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:01" (2/3) ... [2019-11-16 00:00:52,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12c62dba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:00:52, skipping insertion in model container [2019-11-16 00:00:52,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:00:52" (3/3) ... [2019-11-16 00:00:52,150 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0873b.c [2019-11-16 00:00:52,163 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:00:52,173 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-16 00:00:52,186 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-16 00:00:52,225 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:00:52,225 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-16 00:00:52,225 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:00:52,226 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:00:52,226 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:00:52,226 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:00:52,227 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:00:52,227 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:00:52,257 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states. [2019-11-16 00:00:52,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-16 00:00:52,265 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:00:52,266 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:00:52,269 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:00:52,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:00:52,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1640331358, now seen corresponding path program 1 times [2019-11-16 00:00:52,289 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-16 00:00:52,289 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [47243664] [2019-11-16 00:00:52,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adab7c1c-faf2-47a8-ba60-49f0cb186641/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 [2019-11-16 00:00:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:00:52,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-16 00:00:52,594 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:00:52,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:00:52,615 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-16 00:00:52,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:00:52,624 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [47243664] [2019-11-16 00:00:52,625 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:00:52,626 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-16 00:00:52,626 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925526616] [2019-11-16 00:00:52,630 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-16 00:00:52,631 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-16 00:00:52,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-16 00:00:52,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-16 00:00:52,650 INFO L87 Difference]: Start difference. First operand 210 states. Second operand 2 states. [2019-11-16 00:00:52,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:00:52,728 INFO L93 Difference]: Finished difference Result 418 states and 716 transitions. [2019-11-16 00:00:52,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-16 00:00:52,730 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-16 00:00:52,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:00:52,754 INFO L225 Difference]: With dead ends: 418 [2019-11-16 00:00:52,755 INFO L226 Difference]: Without dead ends: 207 [2019-11-16 00:00:52,760 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 [2019-11-16 00:00:52,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2019-11-16 00:00:52,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2019-11-16 00:00:52,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2019-11-16 00:00:52,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 285 transitions. [2019-11-16 00:00:52,839 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 285 transitions. Word has length 9 [2019-11-16 00:00:52,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:00:52,840 INFO L462 AbstractCegarLoop]: Abstraction has 207 states and 285 transitions. [2019-11-16 00:00:52,840 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-16 00:00:52,840 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 285 transitions. [2019-11-16 00:00:52,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-16 00:00:52,841 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:00:52,841 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:00:53,057 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-16 00:00:53,057 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:00:53,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:00:53,058 INFO L82 PathProgramCache]: Analyzing trace with hash 559153733, now seen corresponding path program 1 times [2019-11-16 00:00:53,060 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-16 00:00:53,060 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1394141867] [2019-11-16 00:00:53,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adab7c1c-faf2-47a8-ba60-49f0cb186641/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 [2019-11-16 00:00:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:00:53,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-16 00:00:53,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:00:53,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:00:53,489 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-16 00:00:53,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:00:53,650 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1394141867] [2019-11-16 00:00:53,651 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:00:53,651 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-16 00:00:53,651 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133978499] [2019-11-16 00:00:53,653 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-16 00:00:53,653 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-16 00:00:53,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-16 00:00:53,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-16 00:00:53,654 INFO L87 Difference]: Start difference. First operand 207 states and 285 transitions. Second operand 8 states. [2019-11-16 00:01:01,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:01:01,420 INFO L93 Difference]: Finished difference Result 332 states and 449 transitions. [2019-11-16 00:01:01,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-16 00:01:01,583 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-11-16 00:01:01,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:01:01,584 INFO L225 Difference]: With dead ends: 332 [2019-11-16 00:01:01,585 INFO L226 Difference]: Without dead ends: 137 [2019-11-16 00:01:01,587 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 [2019-11-16 00:01:01,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-11-16 00:01:01,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 133. [2019-11-16 00:01:01,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-11-16 00:01:01,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 166 transitions. [2019-11-16 00:01:01,599 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 166 transitions. Word has length 11 [2019-11-16 00:01:01,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:01:01,599 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 166 transitions. [2019-11-16 00:01:01,599 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-16 00:01:01,600 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 166 transitions. [2019-11-16 00:01:01,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-16 00:01:01,601 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:01:01,601 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:01:01,818 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-16 00:01:01,819 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:01:01,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:01:01,819 INFO L82 PathProgramCache]: Analyzing trace with hash -305805344, now seen corresponding path program 1 times [2019-11-16 00:01:01,820 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-16 00:01:01,820 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [135031903] [2019-11-16 00:01:01,827 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adab7c1c-faf2-47a8-ba60-49f0cb186641/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 [2019-11-16 00:01:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:01:02,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-16 00:01:02,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:01:02,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:01:02,168 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-16 00:01:02,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:01:02,189 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [135031903] [2019-11-16 00:01:02,189 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:01:02,189 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-16 00:01:02,189 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099535863] [2019-11-16 00:01:02,190 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-16 00:01:02,190 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-16 00:01:02,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-16 00:01:02,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:01:02,191 INFO L87 Difference]: Start difference. First operand 133 states and 166 transitions. Second operand 5 states. [2019-11-16 00:01:20,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:01:20,539 INFO L93 Difference]: Finished difference Result 141 states and 172 transitions. [2019-11-16 00:01:20,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-16 00:01:20,584 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-11-16 00:01:20,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:01:20,585 INFO L225 Difference]: With dead ends: 141 [2019-11-16 00:01:20,585 INFO L226 Difference]: Without dead ends: 137 [2019-11-16 00:01:20,586 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:01:20,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-11-16 00:01:20,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 133. [2019-11-16 00:01:20,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-11-16 00:01:20,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 164 transitions. [2019-11-16 00:01:20,596 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 164 transitions. Word has length 13 [2019-11-16 00:01:20,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:01:20,597 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 164 transitions. [2019-11-16 00:01:20,597 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-16 00:01:20,598 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 164 transitions. [2019-11-16 00:01:20,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-16 00:01:20,598 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:01:20,599 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:01:20,817 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-16 00:01:20,817 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:01:20,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:01:20,817 INFO L82 PathProgramCache]: Analyzing trace with hash -305745762, now seen corresponding path program 1 times [2019-11-16 00:01:20,818 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-16 00:01:20,818 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [604022451] [2019-11-16 00:01:20,819 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adab7c1c-faf2-47a8-ba60-49f0cb186641/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 [2019-11-16 00:01:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:01:21,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-16 00:01:21,256 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:01:21,340 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:01:21,373 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 [2019-11-16 00:01:21,399 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 [2019-11-16 00:01:21,399 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-16 00:01:21,418 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:01:21,428 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:01:21,428 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 [2019-11-16 00:01:21,429 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-16 00:01:21,436 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:01:21,437 INFO L496 ElimStorePlain]: Start of recursive call 2: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-16 00:01:21,466 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:01:21,467 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. [2019-11-16 00:01:21,467 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:76, output treesize:35 [2019-11-16 00:01:21,730 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-16 00:01:21,730 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) [2019-11-16 00:01:21,735 INFO L168 Benchmark]: Toolchain (without parser) took 81033.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 206.0 MB). Free memory was 948.3 MB in the beginning and 1.2 GB in the end (delta: -214.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:01:21,736 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:01:21,736 INFO L168 Benchmark]: CACSL2BoogieTranslator took 780.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 943.0 MB in the beginning and 1.1 GB in the end (delta: -178.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-16 00:01:21,737 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.23 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-16 00:01:21,738 INFO L168 Benchmark]: Boogie Preprocessor took 160.53 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-16 00:01:21,738 INFO L168 Benchmark]: RCFGBuilder took 50386.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 992.1 MB in the end (delta: 116.2 MB). Peak memory consumption was 116.2 MB. Max. memory is 11.5 GB. [2019-11-16 00:01:21,739 INFO L168 Benchmark]: TraceAbstraction took 29593.60 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.3 MB). Free memory was 992.1 MB in the beginning and 1.2 GB in the end (delta: -170.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:01:21,753 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 780.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 943.0 MB in the beginning and 1.1 GB in the end (delta: -178.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 108.23 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 160.53 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 50386.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 992.1 MB in the end (delta: 116.2 MB). Peak memory consumption was 116.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 29593.60 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.3 MB). Free memory was 992.1 MB in the beginning and 1.2 GB in the end (delta: -170.5 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...