./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0870b.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_7c5a557d-33eb-4508-ad75-3b0eaf7b724f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7c5a557d-33eb-4508-ad75-3b0eaf7b724f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7c5a557d-33eb-4508-ad75-3b0eaf7b724f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7c5a557d-33eb-4508-ad75-3b0eaf7b724f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0870b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7c5a557d-33eb-4508-ad75-3b0eaf7b724f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7c5a557d-33eb-4508-ad75-3b0eaf7b724f/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 08d6302d3ed7bf310f181699a2211422e4771bf9 ............................................................................................................................................................. 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_7c5a557d-33eb-4508-ad75-3b0eaf7b724f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7c5a557d-33eb-4508-ad75-3b0eaf7b724f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7c5a557d-33eb-4508-ad75-3b0eaf7b724f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7c5a557d-33eb-4508-ad75-3b0eaf7b724f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0870b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7c5a557d-33eb-4508-ad75-3b0eaf7b724f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7c5a557d-33eb-4508-ad75-3b0eaf7b724f/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 08d6302d3ed7bf310f181699a2211422e4771bf9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 21:46:51,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 21:46:51,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 21:46:51,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 21:46:51,343 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 21:46:51,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 21:46:51,346 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 21:46:51,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 21:46:51,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 21:46:51,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 21:46:51,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 21:46:51,364 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 21:46:51,364 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 21:46:51,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 21:46:51,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 21:46:51,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 21:46:51,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 21:46:51,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 21:46:51,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 21:46:51,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 21:46:51,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 21:46:51,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 21:46:51,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 21:46:51,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 21:46:51,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 21:46:51,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 21:46:51,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 21:46:51,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 21:46:51,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 21:46:51,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 21:46:51,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 21:46:51,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 21:46:51,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 21:46:51,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 21:46:51,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 21:46:51,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 21:46:51,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 21:46:51,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 21:46:51,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 21:46:51,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 21:46:51,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 21:46:51,397 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7c5a557d-33eb-4508-ad75-3b0eaf7b724f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 21:46:51,419 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 21:46:51,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 21:46:51,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 21:46:51,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 21:46:51,420 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 21:46:51,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 21:46:51,421 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 21:46:51,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 21:46:51,421 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 21:46:51,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 21:46:51,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 21:46:51,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 21:46:51,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 21:46:51,422 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 21:46:51,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 21:46:51,422 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 21:46:51,422 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 21:46:51,422 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 21:46:51,422 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 21:46:51,423 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 21:46:51,423 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 21:46:51,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:46:51,423 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 21:46:51,423 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 21:46:51,423 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 21:46:51,423 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 21:46:51,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 21:46:51,424 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 21:46:51,424 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_7c5a557d-33eb-4508-ad75-3b0eaf7b724f/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 -> 08d6302d3ed7bf310f181699a2211422e4771bf9 [2019-11-15 21:46:51,446 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 21:46:51,456 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 21:46:51,459 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 21:46:51,460 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 21:46:51,461 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 21:46:51,461 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7c5a557d-33eb-4508-ad75-3b0eaf7b724f/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0870b.c [2019-11-15 21:46:51,508 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7c5a557d-33eb-4508-ad75-3b0eaf7b724f/bin/uautomizer/data/26a1b1af3/7f2c4912eb614729a996a8b86020eef7/FLAGe16d6ffab [2019-11-15 21:46:51,951 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 21:46:51,954 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7c5a557d-33eb-4508-ad75-3b0eaf7b724f/sv-benchmarks/c/float-newlib/double_req_bl_0870b.c [2019-11-15 21:46:51,969 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7c5a557d-33eb-4508-ad75-3b0eaf7b724f/bin/uautomizer/data/26a1b1af3/7f2c4912eb614729a996a8b86020eef7/FLAGe16d6ffab [2019-11-15 21:46:52,305 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7c5a557d-33eb-4508-ad75-3b0eaf7b724f/bin/uautomizer/data/26a1b1af3/7f2c4912eb614729a996a8b86020eef7 [2019-11-15 21:46:52,307 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 21:46:52,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 21:46:52,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 21:46:52,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 21:46:52,312 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 21:46:52,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:46:52" (1/1) ... [2019-11-15 21:46:52,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1abd6267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:46:52, skipping insertion in model container [2019-11-15 21:46:52,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:46:52" (1/1) ... [2019-11-15 21:46:52,325 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 21:46:52,363 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 21:46:52,649 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 21:46:52,654 INFO L168 Benchmark]: Toolchain (without parser) took 345.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -192.9 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2019-11-15 21:46:52,655 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:46:52,656 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -192.9 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2019-11-15 21:46:52,657 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 343.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -192.9 MB). Peak memory consumption was 22.3 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 21:46:54,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 21:46:54,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 21:46:54,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 21:46:54,481 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 21:46:54,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 21:46:54,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 21:46:54,485 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 21:46:54,486 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 21:46:54,487 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 21:46:54,488 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 21:46:54,489 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 21:46:54,489 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 21:46:54,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 21:46:54,491 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 21:46:54,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 21:46:54,493 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 21:46:54,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 21:46:54,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 21:46:54,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 21:46:54,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 21:46:54,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 21:46:54,501 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 21:46:54,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 21:46:54,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 21:46:54,504 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 21:46:54,504 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 21:46:54,505 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 21:46:54,505 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 21:46:54,506 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 21:46:54,506 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 21:46:54,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 21:46:54,508 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 21:46:54,508 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 21:46:54,509 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 21:46:54,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 21:46:54,510 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 21:46:54,510 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 21:46:54,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 21:46:54,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 21:46:54,512 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 21:46:54,513 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7c5a557d-33eb-4508-ad75-3b0eaf7b724f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-15 21:46:54,526 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 21:46:54,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 21:46:54,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 21:46:54,527 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 21:46:54,528 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 21:46:54,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 21:46:54,528 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 21:46:54,528 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 21:46:54,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 21:46:54,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 21:46:54,529 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 21:46:54,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 21:46:54,530 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 21:46:54,530 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 21:46:54,530 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 21:46:54,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 21:46:54,530 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 21:46:54,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 21:46:54,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 21:46:54,531 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 21:46:54,531 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 21:46:54,532 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 21:46:54,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:46:54,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 21:46:54,532 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 21:46:54,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 21:46:54,533 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 21:46:54,533 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 21:46:54,533 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 21:46:54,534 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 21:46:54,534 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_7c5a557d-33eb-4508-ad75-3b0eaf7b724f/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 -> 08d6302d3ed7bf310f181699a2211422e4771bf9 [2019-11-15 21:46:54,562 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 21:46:54,572 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 21:46:54,575 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 21:46:54,576 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 21:46:54,577 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 21:46:54,577 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7c5a557d-33eb-4508-ad75-3b0eaf7b724f/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0870b.c [2019-11-15 21:46:54,626 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7c5a557d-33eb-4508-ad75-3b0eaf7b724f/bin/uautomizer/data/dfb9c1fa4/163e4bd3ab7d47c6909fdbb05af255fd/FLAG23bc4fbbc [2019-11-15 21:46:55,018 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 21:46:55,018 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7c5a557d-33eb-4508-ad75-3b0eaf7b724f/sv-benchmarks/c/float-newlib/double_req_bl_0870b.c [2019-11-15 21:46:55,028 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7c5a557d-33eb-4508-ad75-3b0eaf7b724f/bin/uautomizer/data/dfb9c1fa4/163e4bd3ab7d47c6909fdbb05af255fd/FLAG23bc4fbbc [2019-11-15 21:46:55,350 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7c5a557d-33eb-4508-ad75-3b0eaf7b724f/bin/uautomizer/data/dfb9c1fa4/163e4bd3ab7d47c6909fdbb05af255fd [2019-11-15 21:46:55,352 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 21:46:55,353 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 21:46:55,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 21:46:55,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 21:46:55,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 21:46:55,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:46:55" (1/1) ... [2019-11-15 21:46:55,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e6e30be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:46:55, skipping insertion in model container [2019-11-15 21:46:55,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:46:55" (1/1) ... [2019-11-15 21:46:55,367 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 21:46:55,402 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 21:46:55,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:46:55,735 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 21:46:55,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:46:55,922 INFO L192 MainTranslator]: Completed translation [2019-11-15 21:46:55,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:46:55 WrapperNode [2019-11-15 21:46:55,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 21:46:55,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 21:46:55,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 21:46:55,923 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 21:46:55,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:46:55" (1/1) ... [2019-11-15 21:46:55,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:46:55" (1/1) ... [2019-11-15 21:46:56,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 21:46:56,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 21:46:56,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 21:46:56,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 21:46:56,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:46:55" (1/1) ... [2019-11-15 21:46:56,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:46:55" (1/1) ... [2019-11-15 21:46:56,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:46:55" (1/1) ... [2019-11-15 21:46:56,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:46:55" (1/1) ... [2019-11-15 21:46:56,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:46:55" (1/1) ... [2019-11-15 21:46:56,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:46:55" (1/1) ... [2019-11-15 21:46:56,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:46:55" (1/1) ... [2019-11-15 21:46:56,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 21:46:56,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 21:46:56,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 21:46:56,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 21:46:56,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:46:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7c5a557d-33eb-4508-ad75-3b0eaf7b724f/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 21:46:56,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-15 21:46:56,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-15 21:46:56,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 21:46:56,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-11-15 21:46:56,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-15 21:46:56,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 21:46:56,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 21:46:56,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-15 21:46:56,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 21:47:42,729 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 21:47:42,729 INFO L284 CfgBuilder]: Removed 90 assume(true) statements. [2019-11-15 21:47:42,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:47:42 BoogieIcfgContainer [2019-11-15 21:47:42,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 21:47:42,731 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 21:47:42,731 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 21:47:42,734 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 21:47:42,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 09:46:55" (1/3) ... [2019-11-15 21:47:42,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1026b7bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:47:42, skipping insertion in model container [2019-11-15 21:47:42,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:46:55" (2/3) ... [2019-11-15 21:47:42,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1026b7bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:47:42, skipping insertion in model container [2019-11-15 21:47:42,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:47:42" (3/3) ... [2019-11-15 21:47:42,738 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0870b.c [2019-11-15 21:47:42,747 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 21:47:42,755 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 21:47:42,766 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 21:47:42,791 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 21:47:42,792 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 21:47:42,792 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 21:47:42,792 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 21:47:42,792 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 21:47:42,793 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 21:47:42,793 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 21:47:42,793 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 21:47:42,811 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states. [2019-11-15 21:47:42,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 21:47:42,817 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:47:42,818 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:47:42,820 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:47:42,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:47:42,825 INFO L82 PathProgramCache]: Analyzing trace with hash 484704243, now seen corresponding path program 1 times [2019-11-15 21:47:42,835 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 21:47:42,836 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [198813710] [2019-11-15 21:47:42,836 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7c5a557d-33eb-4508-ad75-3b0eaf7b724f/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 21:47:43,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:47:43,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-15 21:47:43,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:47:43,099 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 21:47:43,100 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 21:47:43,103 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 21:47:43,104 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [198813710] [2019-11-15 21:47:43,104 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:47:43,105 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-15 21:47:43,106 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401314017] [2019-11-15 21:47:43,110 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 21:47:43,111 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 21:47:43,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 21:47:43,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 21:47:43,124 INFO L87 Difference]: Start difference. First operand 213 states. Second operand 2 states. [2019-11-15 21:47:43,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:47:43,172 INFO L93 Difference]: Finished difference Result 423 states and 722 transitions. [2019-11-15 21:47:43,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 21:47:43,173 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-15 21:47:43,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:47:43,186 INFO L225 Difference]: With dead ends: 423 [2019-11-15 21:47:43,186 INFO L226 Difference]: Without dead ends: 209 [2019-11-15 21:47:43,195 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 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 21:47:43,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2019-11-15 21:47:43,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2019-11-15 21:47:43,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2019-11-15 21:47:43,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 287 transitions. [2019-11-15 21:47:43,243 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 287 transitions. Word has length 11 [2019-11-15 21:47:43,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:47:43,243 INFO L462 AbstractCegarLoop]: Abstraction has 209 states and 287 transitions. [2019-11-15 21:47:43,243 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 21:47:43,244 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 287 transitions. [2019-11-15 21:47:43,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-15 21:47:43,244 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:47:43,244 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:47:43,445 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-15 21:47:43,445 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:47:43,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:47:43,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1071808080, now seen corresponding path program 1 times [2019-11-15 21:47:43,447 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 21:47:43,447 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1340286675] [2019-11-15 21:47:43,447 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7c5a557d-33eb-4508-ad75-3b0eaf7b724f/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 21:47:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:47:43,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-15 21:47:43,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:47:43,861 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2019-11-15 21:47:43,879 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2019-11-15 21:47:43,880 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 21:47:43,899 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:47:43,915 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:47:43,915 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 24 treesize of output 12 [2019-11-15 21:47:43,916 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-15 21:47:43,924 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:47:43,924 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:47:43,947 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:47:43,948 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 21:47:43,948 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:59, output treesize:20 [2019-11-15 21:47:46,029 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 21:47:46,029 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 21:47:48,421 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:47:48,422 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 49 [2019-11-15 21:47:48,465 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:47:48,465 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 36 [2019-11-15 21:47:48,466 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 21:47:48,485 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:47:48,497 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:47:48,497 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 32 treesize of output 20 [2019-11-15 21:47:48,498 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-15 21:47:48,501 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:47:48,502 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:47:48,513 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:47:48,514 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 21:47:48,514 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:61, output treesize:21 [2019-11-15 21:47:48,527 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 21:47:48,528 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1340286675] [2019-11-15 21:47:48,528 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:47:48,528 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2019-11-15 21:47:48,528 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260802285] [2019-11-15 21:47:48,530 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 21:47:48,530 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 21:47:48,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 21:47:48,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=27, Unknown=2, NotChecked=0, Total=42 [2019-11-15 21:47:48,531 INFO L87 Difference]: Start difference. First operand 209 states and 287 transitions. Second operand 7 states. [2019-11-15 21:47:53,727 WARN L191 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 27 [2019-11-15 21:48:07,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:48:07,657 INFO L93 Difference]: Finished difference Result 219 states and 295 transitions. [2019-11-15 21:48:07,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 21:48:07,807 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2019-11-15 21:48:07,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:48:07,810 INFO L225 Difference]: With dead ends: 219 [2019-11-15 21:48:07,810 INFO L226 Difference]: Without dead ends: 214 [2019-11-15 21:48:07,811 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=26, Invalid=44, Unknown=2, NotChecked=0, Total=72 [2019-11-15 21:48:07,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2019-11-15 21:48:07,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 209. [2019-11-15 21:48:07,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2019-11-15 21:48:07,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 286 transitions. [2019-11-15 21:48:07,837 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 286 transitions. Word has length 13 [2019-11-15 21:48:07,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:48:07,838 INFO L462 AbstractCegarLoop]: Abstraction has 209 states and 286 transitions. [2019-11-15 21:48:07,838 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 21:48:07,838 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 286 transitions. [2019-11-15 21:48:07,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-15 21:48:07,839 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:48:07,839 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:48:08,053 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-15 21:48:08,053 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:48:08,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:48:08,054 INFO L82 PathProgramCache]: Analyzing trace with hash 754673845, now seen corresponding path program 1 times [2019-11-15 21:48:08,054 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 21:48:08,054 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [585241510] [2019-11-15 21:48:08,054 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7c5a557d-33eb-4508-ad75-3b0eaf7b724f/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 21:48:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:48:08,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-15 21:48:08,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:48:08,445 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 21:48:08,445 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 21:48:08,607 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 21:48:08,607 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [585241510] [2019-11-15 21:48:08,607 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:48:08,607 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-11-15 21:48:08,607 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583212820] [2019-11-15 21:48:08,608 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-15 21:48:08,608 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 21:48:08,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-15 21:48:08,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-15 21:48:08,608 INFO L87 Difference]: Start difference. First operand 209 states and 286 transitions. Second operand 10 states. [2019-11-15 21:48:15,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:48:15,946 INFO L93 Difference]: Finished difference Result 327 states and 424 transitions. [2019-11-15 21:48:15,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 21:48:15,947 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 15 [2019-11-15 21:48:15,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:48:15,949 INFO L225 Difference]: With dead ends: 327 [2019-11-15 21:48:15,950 INFO L226 Difference]: Without dead ends: 208 [2019-11-15 21:48:15,951 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2019-11-15 21:48:15,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2019-11-15 21:48:15,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 198. [2019-11-15 21:48:15,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2019-11-15 21:48:15,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 263 transitions. [2019-11-15 21:48:15,969 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 263 transitions. Word has length 15 [2019-11-15 21:48:15,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:48:15,969 INFO L462 AbstractCegarLoop]: Abstraction has 198 states and 263 transitions. [2019-11-15 21:48:15,970 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-15 21:48:15,970 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 263 transitions. [2019-11-15 21:48:15,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-15 21:48:15,971 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:48:15,971 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:48:16,189 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-15 21:48:16,189 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:48:16,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:48:16,190 INFO L82 PathProgramCache]: Analyzing trace with hash 756520887, now seen corresponding path program 1 times [2019-11-15 21:48:16,190 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 21:48:16,190 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1627880678] [2019-11-15 21:48:16,191 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7c5a557d-33eb-4508-ad75-3b0eaf7b724f/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 21:48:16,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:48:16,426 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-15 21:48:16,428 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:48:16,481 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 21:48:16,481 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 21:48:16,527 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 21:48:16,528 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1627880678] [2019-11-15 21:48:16,528 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:48:16,528 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2019-11-15 21:48:16,528 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080417411] [2019-11-15 21:48:16,529 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 21:48:16,529 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 21:48:16,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 21:48:16,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-15 21:48:16,530 INFO L87 Difference]: Start difference. First operand 198 states and 263 transitions. Second operand 7 states. [2019-11-15 21:48:31,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:48:31,226 INFO L93 Difference]: Finished difference Result 203 states and 267 transitions. [2019-11-15 21:48:31,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 21:48:31,271 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2019-11-15 21:48:31,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:48:31,273 INFO L225 Difference]: With dead ends: 203 [2019-11-15 21:48:31,273 INFO L226 Difference]: Without dead ends: 197 [2019-11-15 21:48:31,273 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-11-15 21:48:31,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2019-11-15 21:48:31,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2019-11-15 21:48:31,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2019-11-15 21:48:31,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 260 transitions. [2019-11-15 21:48:31,298 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 260 transitions. Word has length 15 [2019-11-15 21:48:31,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:48:31,299 INFO L462 AbstractCegarLoop]: Abstraction has 197 states and 260 transitions. [2019-11-15 21:48:31,299 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 21:48:31,299 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 260 transitions. [2019-11-15 21:48:31,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-15 21:48:31,300 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:48:31,300 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:48:31,500 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-15 21:48:31,500 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:48:31,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:48:31,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1368861529, now seen corresponding path program 1 times [2019-11-15 21:48:31,501 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 21:48:31,501 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2048379295] [2019-11-15 21:48:31,501 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7c5a557d-33eb-4508-ad75-3b0eaf7b724f/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-15 21:48:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:48:32,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-15 21:48:32,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:48:32,511 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:48:32,547 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 21:48:32,547 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 21:48:34,996 WARN L838 $PredicateComparison]: unable to prove that (forall ((~one_pow~0 (_ FloatingPoint 11 53))) (not (let ((.cse0 (fp.div roundNearestTiesToEven ~one_pow~0 c_ULTIMATE.start___ieee754_pow_~x))) (fp.eq .cse0 .cse0)))) is different from false [2019-11-15 21:48:37,353 WARN L860 $PredicateComparison]: unable to prove that (forall ((~one_pow~0 (_ FloatingPoint 11 53))) (not (let ((.cse0 (fp.div roundNearestTiesToEven ~one_pow~0 c_ULTIMATE.start___ieee754_pow_~x))) (fp.eq .cse0 .cse0)))) is different from true [2019-11-15 21:48:39,728 WARN L838 $PredicateComparison]: unable to prove that (forall ((~one_pow~0 (_ FloatingPoint 11 53))) (not (let ((.cse0 (fp.div roundNearestTiesToEven ~one_pow~0 c_ULTIMATE.start_main_~x~0))) (fp.eq .cse0 .cse0)))) is different from false [2019-11-15 21:48:42,089 WARN L860 $PredicateComparison]: unable to prove that (forall ((~one_pow~0 (_ FloatingPoint 11 53))) (not (let ((.cse0 (fp.div roundNearestTiesToEven ~one_pow~0 c_ULTIMATE.start_main_~x~0))) (fp.eq .cse0 .cse0)))) is different from true [2019-11-15 21:48:42,096 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 21:48:42,096 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2048379295] [2019-11-15 21:48:42,096 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:48:42,096 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2019-11-15 21:48:42,097 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900105202] [2019-11-15 21:48:42,097 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-15 21:48:42,097 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 21:48:42,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-15 21:48:42,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=69, Unknown=4, NotChecked=34, Total=132 [2019-11-15 21:48:42,098 INFO L87 Difference]: Start difference. First operand 197 states and 260 transitions. Second operand 12 states. [2019-11-15 21:48:47,039 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 13 DAG size of output: 8 [2019-11-15 21:48:59,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:48:59,913 INFO L93 Difference]: Finished difference Result 202 states and 264 transitions. [2019-11-15 21:48:59,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 21:48:59,968 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 19 [2019-11-15 21:48:59,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:48:59,969 INFO L225 Difference]: With dead ends: 202 [2019-11-15 21:48:59,970 INFO L226 Difference]: Without dead ends: 196 [2019-11-15 21:48:59,970 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 2 IntricatePredicates, 1 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 15.0s TimeCoverageRelationStatistics Valid=59, Invalid=127, Unknown=4, NotChecked=50, Total=240 [2019-11-15 21:48:59,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2019-11-15 21:48:59,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2019-11-15 21:48:59,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2019-11-15 21:48:59,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 256 transitions. [2019-11-15 21:48:59,982 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 256 transitions. Word has length 19 [2019-11-15 21:48:59,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:48:59,983 INFO L462 AbstractCegarLoop]: Abstraction has 196 states and 256 transitions. [2019-11-15 21:48:59,983 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-15 21:48:59,983 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 256 transitions. [2019-11-15 21:48:59,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-15 21:48:59,984 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:48:59,984 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:49:00,193 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-15 21:49:00,194 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:49:00,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:49:00,194 INFO L82 PathProgramCache]: Analyzing trace with hash -376334493, now seen corresponding path program 1 times [2019-11-15 21:49:00,194 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 21:49:00,194 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1270621787] [2019-11-15 21:49:00,194 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7c5a557d-33eb-4508-ad75-3b0eaf7b724f/bin/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-11-15 21:49:00,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:49:00,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-15 21:49:00,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:49:00,693 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-15 21:49:00,694 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 21:49:00,698 INFO L168 Benchmark]: Toolchain (without parser) took 125344.63 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 232.8 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -70.5 MB). Peak memory consumption was 162.3 MB. Max. memory is 11.5 GB. [2019-11-15 21:49:00,698 INFO L168 Benchmark]: CDTParser took 0.24 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. [2019-11-15 21:49:00,704 INFO L168 Benchmark]: CACSL2BoogieTranslator took 568.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.3 MB). Free memory was 945.6 MB in the beginning and 1.2 GB in the end (delta: -216.4 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. [2019-11-15 21:49:00,705 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. [2019-11-15 21:49:00,706 INFO L168 Benchmark]: Boogie Preprocessor took 103.57 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: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. [2019-11-15 21:49:00,709 INFO L168 Benchmark]: RCFGBuilder took 46588.31 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: 118.9 MB). Peak memory consumption was 118.9 MB. Max. memory is 11.5 GB. [2019-11-15 21:49:00,710 INFO L168 Benchmark]: TraceAbstraction took 77965.32 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 53.5 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.6 MB). Peak memory consumption was 56.1 MB. Max. memory is 11.5 GB. [2019-11-15 21:49:00,713 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 568.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.3 MB). Free memory was 945.6 MB in the beginning and 1.2 GB in the end (delta: -216.4 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 114.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 103.57 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: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 46588.31 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: 118.9 MB). Peak memory consumption was 118.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 77965.32 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 53.5 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.6 MB). Peak memory consumption was 56.1 MB. 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...