./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0882_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0882_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/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 e6812207659d67444abdc9d105ff32acac8458b5 ...................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0882_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/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 e6812207659d67444abdc9d105ff32acac8458b5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:24:26,982 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:24:26,983 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:24:26,991 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:24:26,991 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:24:26,992 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:24:26,992 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:24:26,994 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:24:26,995 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:24:26,995 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:24:26,996 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:24:26,996 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:24:26,997 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:24:26,997 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:24:26,998 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:24:26,998 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:24:26,999 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:24:27,000 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:24:27,001 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:24:27,002 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:24:27,003 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:24:27,004 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:24:27,005 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:24:27,005 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:24:27,006 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:24:27,006 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:24:27,007 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:24:27,007 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:24:27,008 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:24:27,008 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:24:27,008 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:24:27,009 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:24:27,009 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:24:27,009 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:24:27,009 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:24:27,010 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:24:27,010 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 11:24:27,016 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:24:27,017 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:24:27,017 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:24:27,017 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:24:27,018 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:24:27,018 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:24:27,018 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:24:27,018 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:24:27,018 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:24:27,018 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:24:27,019 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:24:27,019 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:24:27,019 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:24:27,019 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:24:27,019 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:24:27,019 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:24:27,019 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:24:27,020 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:24:27,020 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:24:27,020 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:24:27,020 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:24:27,020 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:24:27,020 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:24:27,021 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:24:27,021 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:24:27,021 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:24:27,021 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:24:27,021 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:24:27,021 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:24:27,021 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 11:24:27,022 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/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 -> e6812207659d67444abdc9d105ff32acac8458b5 [2018-11-28 11:24:27,045 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:24:27,054 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:24:27,057 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:24:27,058 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:24:27,058 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:24:27,058 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0882_true-unreach-call.c [2018-11-28 11:24:27,104 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/uautomizer/data/1259fc1b8/c4cfe31ff7ad49a9b431f03836ffd837/FLAG00b70accf [2018-11-28 11:24:27,526 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:24:27,526 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/sv-benchmarks/c/float-newlib/double_req_bl_0882_true-unreach-call.c [2018-11-28 11:24:27,532 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/uautomizer/data/1259fc1b8/c4cfe31ff7ad49a9b431f03836ffd837/FLAG00b70accf [2018-11-28 11:24:27,540 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/uautomizer/data/1259fc1b8/c4cfe31ff7ad49a9b431f03836ffd837 [2018-11-28 11:24:27,542 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:24:27,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:24:27,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:24:27,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:24:27,546 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:24:27,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:24:27" (1/1) ... [2018-11-28 11:24:27,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53951666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:27, skipping insertion in model container [2018-11-28 11:24:27,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:24:27" (1/1) ... [2018-11-28 11:24:27,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:24:27,585 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:24:27,736 FATAL L292 ToolchainWalker]: 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:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1536) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.lambda$35(StandardFunctionHandler.java:315) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:208) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1319) 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:539) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1896) 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:1512) 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:962) 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:1489) 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:962) 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:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1341) 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:3445) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2240) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:538) 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:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) 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) [2018-11-28 11:24:27,742 INFO L168 Benchmark]: Toolchain (without parser) took 199.85 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 938.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:24:27,743 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:24:27,744 INFO L168 Benchmark]: CACSL2BoogieTranslator took 198.24 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 938.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:24:27,745 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 198.24 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 938.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 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:834) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:24:29,041 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:24:29,043 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:24:29,053 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:24:29,053 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:24:29,054 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:24:29,055 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:24:29,056 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:24:29,057 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:24:29,058 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:24:29,059 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:24:29,059 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:24:29,060 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:24:29,061 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:24:29,062 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:24:29,063 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:24:29,063 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:24:29,065 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:24:29,067 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:24:29,068 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:24:29,069 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:24:29,070 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:24:29,072 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:24:29,073 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:24:29,073 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:24:29,074 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:24:29,074 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:24:29,075 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:24:29,076 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:24:29,076 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:24:29,077 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:24:29,078 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:24:29,078 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:24:29,078 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:24:29,079 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:24:29,080 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:24:29,080 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 11:24:29,092 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:24:29,093 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:24:29,093 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:24:29,094 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:24:29,094 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:24:29,094 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:24:29,094 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:24:29,095 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:24:29,095 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:24:29,095 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:24:29,095 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:24:29,095 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:24:29,095 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:24:29,096 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:24:29,096 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 11:24:29,096 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 11:24:29,096 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:24:29,096 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:24:29,096 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:24:29,098 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:24:29,098 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:24:29,098 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:24:29,099 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:24:29,099 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:24:29,099 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:24:29,099 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:24:29,099 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:24:29,099 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:24:29,100 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 11:24:29,100 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:24:29,100 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 11:24:29,100 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 11:24:29,100 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/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 -> e6812207659d67444abdc9d105ff32acac8458b5 [2018-11-28 11:24:29,129 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:24:29,139 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:24:29,142 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:24:29,143 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:24:29,143 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:24:29,144 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0882_true-unreach-call.c [2018-11-28 11:24:29,191 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/uautomizer/data/863cdf0d2/f7d7bba18a2c4d16850350a0c73cdd17/FLAG489c0351a [2018-11-28 11:24:29,552 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:24:29,553 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/sv-benchmarks/c/float-newlib/double_req_bl_0882_true-unreach-call.c [2018-11-28 11:24:29,561 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/uautomizer/data/863cdf0d2/f7d7bba18a2c4d16850350a0c73cdd17/FLAG489c0351a [2018-11-28 11:24:29,952 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/uautomizer/data/863cdf0d2/f7d7bba18a2c4d16850350a0c73cdd17 [2018-11-28 11:24:29,955 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:24:29,956 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:24:29,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:24:29,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:24:29,959 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:24:29,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:24:29" (1/1) ... [2018-11-28 11:24:29,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2937f3ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:29, skipping insertion in model container [2018-11-28 11:24:29,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:24:29" (1/1) ... [2018-11-28 11:24:29,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:24:29,994 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:24:30,211 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:24:30,219 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:24:30,301 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:24:30,368 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:24:30,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:30 WrapperNode [2018-11-28 11:24:30,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:24:30,369 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:24:30,369 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:24:30,369 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:24:30,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:30" (1/1) ... [2018-11-28 11:24:30,386 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:30" (1/1) ... [2018-11-28 11:24:30,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:24:30,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:24:30,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:24:30,392 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:24:30,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:30" (1/1) ... [2018-11-28 11:24:30,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:30" (1/1) ... [2018-11-28 11:24:30,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:30" (1/1) ... [2018-11-28 11:24:30,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:30" (1/1) ... [2018-11-28 11:24:30,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:30" (1/1) ... [2018-11-28 11:24:30,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:30" (1/1) ... [2018-11-28 11:24:30,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:30" (1/1) ... [2018-11-28 11:24:30,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:24:30,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:24:30,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:24:30,466 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:24:30,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/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 [2018-11-28 11:24:30,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-28 11:24:30,520 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2018-11-28 11:24:30,521 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2018-11-28 11:24:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2018-11-28 11:24:30,521 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2018-11-28 11:24:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-28 11:24:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-11-28 11:24:30,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-11-28 11:24:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_pow [2018-11-28 11:24:30,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_pow [2018-11-28 11:24:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:24:30,522 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:24:30,522 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-11-28 11:24:30,522 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-11-28 11:24:30,522 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-11-28 11:24:30,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-11-28 11:24:30,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:24:30,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:24:30,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2018-11-28 11:24:30,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:24:30,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-28 11:24:30,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:24:30,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:24:30,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-28 11:24:30,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 11:24:30,811 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:31,967 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:32,484 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:33,532 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:33,563 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:33,587 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:33,602 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:33,631 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:35,780 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:42,335 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:42,534 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:45,213 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:45,239 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:45,642 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:45,675 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:58,572 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:59,368 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:59,395 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:25:01,750 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:25:01,767 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:25:04,278 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:25:06,428 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:25:08,605 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:25:10,668 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:25:10,708 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:25:10,731 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:25:11,091 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:25:13,019 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:25:13,024 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:25:13,025 INFO L280 CfgBuilder]: Removed 60 assue(true) statements. [2018-11-28 11:25:13,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:25:13 BoogieIcfgContainer [2018-11-28 11:25:13,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:25:13,026 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:25:13,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:25:13,029 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:25:13,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:24:29" (1/3) ... [2018-11-28 11:25:13,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19b9a597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:25:13, skipping insertion in model container [2018-11-28 11:25:13,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:30" (2/3) ... [2018-11-28 11:25:13,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19b9a597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:25:13, skipping insertion in model container [2018-11-28 11:25:13,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:25:13" (3/3) ... [2018-11-28 11:25:13,031 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0882_true-unreach-call.c [2018-11-28 11:25:13,037 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:25:13,043 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 11:25:13,054 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 11:25:13,077 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:25:13,078 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:25:13,078 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:25:13,078 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:25:13,078 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:25:13,078 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:25:13,078 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:25:13,078 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:25:13,078 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:25:13,095 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states. [2018-11-28 11:25:13,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-28 11:25:13,100 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:13,101 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:13,103 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:13,106 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:13,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1650283176, now seen corresponding path program 1 times [2018-11-28 11:25:13,109 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 11:25:13,110 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/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 [2018-11-28 11:25:13,114 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:13,293 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:25:13,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:13,310 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:25:13,321 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:13,322 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 11:25:13,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 11:25:13,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 11:25:13,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:25:13,334 INFO L87 Difference]: Start difference. First operand 233 states. Second operand 2 states. [2018-11-28 11:25:13,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:13,374 INFO L93 Difference]: Finished difference Result 457 states and 749 transitions. [2018-11-28 11:25:13,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 11:25:13,375 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-11-28 11:25:13,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:13,384 INFO L225 Difference]: With dead ends: 457 [2018-11-28 11:25:13,384 INFO L226 Difference]: Without dead ends: 228 [2018-11-28 11:25:13,389 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:25:13,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-11-28 11:25:13,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2018-11-28 11:25:13,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-11-28 11:25:13,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 309 transitions. [2018-11-28 11:25:13,432 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 309 transitions. Word has length 19 [2018-11-28 11:25:13,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:13,433 INFO L480 AbstractCegarLoop]: Abstraction has 228 states and 309 transitions. [2018-11-28 11:25:13,433 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 11:25:13,433 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 309 transitions. [2018-11-28 11:25:13,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-28 11:25:13,434 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:13,434 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:13,434 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:13,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:13,435 INFO L82 PathProgramCache]: Analyzing trace with hash -166928027, now seen corresponding path program 1 times [2018-11-28 11:25:13,435 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 11:25:13,435 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/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 [2018-11-28 11:25:13,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:13,694 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:25:13,745 INFO L683 Elim1Store]: detected equality via solver [2018-11-28 11:25:13,749 INFO L683 Elim1Store]: detected equality via solver [2018-11-28 11:25:13,753 INFO L478 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 33 treesize of output 43 [2018-11-28 11:25:13,818 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 28 [2018-11-28 11:25:13,819 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 11:25:13,838 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-11-28 11:25:13,845 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 4 [2018-11-28 11:25:13,846 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-28 11:25:13,849 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:25:13,851 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:25:13,863 INFO L267 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. [2018-11-28 11:25:13,863 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:18 [2018-11-28 11:25:13,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:13,972 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:25:13,982 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:13,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:25:13,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:25:13,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:25:13,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:25:13,983 INFO L87 Difference]: Start difference. First operand 228 states and 309 transitions. Second operand 7 states. [2018-11-28 11:25:27,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:27,656 INFO L93 Difference]: Finished difference Result 245 states and 326 transitions. [2018-11-28 11:25:27,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:25:27,777 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-11-28 11:25:27,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:27,780 INFO L225 Difference]: With dead ends: 245 [2018-11-28 11:25:27,780 INFO L226 Difference]: Without dead ends: 230 [2018-11-28 11:25:27,781 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-28 11:25:27,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2018-11-28 11:25:27,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 228. [2018-11-28 11:25:27,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-11-28 11:25:27,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 308 transitions. [2018-11-28 11:25:27,802 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 308 transitions. Word has length 21 [2018-11-28 11:25:27,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:27,802 INFO L480 AbstractCegarLoop]: Abstraction has 228 states and 308 transitions. [2018-11-28 11:25:27,802 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:25:27,802 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 308 transitions. [2018-11-28 11:25:27,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 11:25:27,803 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:27,803 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:27,803 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:27,803 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:27,803 INFO L82 PathProgramCache]: Analyzing trace with hash -857621751, now seen corresponding path program 1 times [2018-11-28 11:25:27,804 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 11:25:27,804 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/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 [2018-11-28 11:25:27,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:28,002 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:25:28,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:28,088 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:25:28,101 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:28,102 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:25:28,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:25:28,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:25:28,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:25:28,102 INFO L87 Difference]: Start difference. First operand 228 states and 308 transitions. Second operand 7 states. [2018-11-28 11:25:40,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:40,271 INFO L93 Difference]: Finished difference Result 283 states and 374 transitions. [2018-11-28 11:25:40,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:25:40,271 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-11-28 11:25:40,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:40,273 INFO L225 Difference]: With dead ends: 283 [2018-11-28 11:25:40,274 INFO L226 Difference]: Without dead ends: 267 [2018-11-28 11:25:40,274 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-28 11:25:40,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2018-11-28 11:25:40,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 228. [2018-11-28 11:25:40,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-11-28 11:25:40,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 305 transitions. [2018-11-28 11:25:40,291 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 305 transitions. Word has length 23 [2018-11-28 11:25:40,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:40,291 INFO L480 AbstractCegarLoop]: Abstraction has 228 states and 305 transitions. [2018-11-28 11:25:40,291 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:25:40,291 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 305 transitions. [2018-11-28 11:25:40,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 11:25:40,292 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:40,292 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:40,292 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:40,292 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:40,292 INFO L82 PathProgramCache]: Analyzing trace with hash 29881930, now seen corresponding path program 1 times [2018-11-28 11:25:40,293 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 11:25:40,293 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/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 [2018-11-28 11:25:40,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:40,667 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:25:40,736 INFO L683 Elim1Store]: detected equality via solver [2018-11-28 11:25:40,737 INFO L683 Elim1Store]: detected equality via solver [2018-11-28 11:25:40,738 INFO L478 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 33 treesize of output 43 [2018-11-28 11:25:40,803 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 24 [2018-11-28 11:25:40,804 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 11:25:40,829 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-11-28 11:25:40,837 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 4 [2018-11-28 11:25:40,837 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-28 11:25:40,843 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:25:40,850 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:25:40,898 INFO L267 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. [2018-11-28 11:25:40,898 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:49, output treesize:21 [2018-11-28 11:25:40,964 INFO L683 Elim1Store]: detected equality via solver [2018-11-28 11:25:40,965 INFO L683 Elim1Store]: detected equality via solver [2018-11-28 11:25:40,966 INFO L478 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 56 [2018-11-28 11:25:41,040 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 43 [2018-11-28 11:25:41,066 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 9 [2018-11-28 11:25:41,066 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-28 11:25:41,090 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:25:41,120 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-11-28 11:25:41,129 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2018-11-28 11:25:41,129 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-28 11:25:41,131 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:25:41,138 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:25:41,162 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-28 11:25:41,162 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:74, output treesize:35 [2018-11-28 11:25:41,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:41,450 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:25:41,465 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:41,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 11:25:41,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 11:25:41,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 11:25:41,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:25:41,466 INFO L87 Difference]: Start difference. First operand 228 states and 305 transitions. Second operand 9 states. [2018-11-28 11:25:42,303 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-11-28 11:25:42,783 WARN L180 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-11-28 11:26:08,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:26:08,769 INFO L93 Difference]: Finished difference Result 256 states and 336 transitions. [2018-11-28 11:26:08,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 11:26:08,887 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-11-28 11:26:08,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:26:08,888 INFO L225 Difference]: With dead ends: 256 [2018-11-28 11:26:08,888 INFO L226 Difference]: Without dead ends: 240 [2018-11-28 11:26:08,889 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2018-11-28 11:26:08,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2018-11-28 11:26:08,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 227. [2018-11-28 11:26:08,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-11-28 11:26:08,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 303 transitions. [2018-11-28 11:26:08,905 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 303 transitions. Word has length 23 [2018-11-28 11:26:08,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:26:08,905 INFO L480 AbstractCegarLoop]: Abstraction has 227 states and 303 transitions. [2018-11-28 11:26:08,905 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 11:26:08,905 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 303 transitions. [2018-11-28 11:26:08,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-28 11:26:08,906 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:26:08,906 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:26:08,906 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:26:08,906 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:26:08,906 INFO L82 PathProgramCache]: Analyzing trace with hash -2076363094, now seen corresponding path program 1 times [2018-11-28 11:26:08,907 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 11:26:08,907 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/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 [2018-11-28 11:26:08,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:26:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:26:09,254 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:26:09,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:26:09,322 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:26:09,334 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:26:09,334 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:26:09,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:26:09,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:26:09,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:26:09,335 INFO L87 Difference]: Start difference. First operand 227 states and 303 transitions. Second operand 6 states. [2018-11-28 11:26:20,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:26:20,193 INFO L93 Difference]: Finished difference Result 244 states and 320 transitions. [2018-11-28 11:26:20,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:26:20,321 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2018-11-28 11:26:20,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:26:20,322 INFO L225 Difference]: With dead ends: 244 [2018-11-28 11:26:20,322 INFO L226 Difference]: Without dead ends: 229 [2018-11-28 11:26:20,323 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:26:20,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-11-28 11:26:20,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 227. [2018-11-28 11:26:20,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-11-28 11:26:20,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 302 transitions. [2018-11-28 11:26:20,337 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 302 transitions. Word has length 27 [2018-11-28 11:26:20,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:26:20,337 INFO L480 AbstractCegarLoop]: Abstraction has 227 states and 302 transitions. [2018-11-28 11:26:20,337 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:26:20,337 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 302 transitions. [2018-11-28 11:26:20,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-28 11:26:20,338 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:26:20,338 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:26:20,338 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:26:20,338 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:26:20,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1951936010, now seen corresponding path program 1 times [2018-11-28 11:26:20,339 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 11:26:20,339 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/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 [2018-11-28 11:26:20,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:26:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:26:21,169 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:26:25,017 WARN L854 $PredicateComparison]: unable to prove that (and (= (fp.div roundNearestTiesToEven c_~one_pow~0 |c___ieee754_pow_#in~x|) |c___ieee754_pow_#res|) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) c_~one_pow~0)) is different from true [2018-11-28 11:26:25,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:26:25,045 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:26:25,061 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:26:25,061 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 11:26:25,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 11:26:25,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 11:26:25,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=30, Unknown=1, NotChecked=10, Total=56 [2018-11-28 11:26:25,062 INFO L87 Difference]: Start difference. First operand 227 states and 302 transitions. Second operand 8 states. [2018-11-28 11:26:30,731 WARN L832 $PredicateComparison]: unable to prove that (and (= (fp.div roundNearestTiesToEven c_~one_pow~0 |c___ieee754_pow_#in~x|) |c___ieee754_pow_#res|) (= c___ieee754_pow_~x |c___ieee754_pow_#in~x|) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) c_~one_pow~0)) is different from false [2018-11-28 11:26:44,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:26:44,558 INFO L93 Difference]: Finished difference Result 261 states and 345 transitions. [2018-11-28 11:26:44,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 11:26:44,559 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2018-11-28 11:26:44,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:26:44,560 INFO L225 Difference]: With dead ends: 261 [2018-11-28 11:26:44,560 INFO L226 Difference]: Without dead ends: 258 [2018-11-28 11:26:44,561 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=27, Invalid=51, Unknown=2, NotChecked=30, Total=110 [2018-11-28 11:26:44,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2018-11-28 11:26:44,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 231. [2018-11-28 11:26:44,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-11-28 11:26:44,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 306 transitions. [2018-11-28 11:26:44,576 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 306 transitions. Word has length 27 [2018-11-28 11:26:44,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:26:44,577 INFO L480 AbstractCegarLoop]: Abstraction has 231 states and 306 transitions. [2018-11-28 11:26:44,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 11:26:44,577 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 306 transitions. [2018-11-28 11:26:44,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-28 11:26:44,578 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:26:44,578 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:26:44,578 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:26:44,578 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:26:44,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1455527605, now seen corresponding path program 1 times [2018-11-28 11:26:44,579 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 11:26:44,579 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/uautomizer/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-11-28 11:26:44,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:26:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:26:44,771 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:26:44,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:26:44,916 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:26:44,934 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:26:44,934 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 11:26:44,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 11:26:44,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 11:26:44,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:26:44,935 INFO L87 Difference]: Start difference. First operand 231 states and 306 transitions. Second operand 8 states. [2018-11-28 11:26:57,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:26:57,774 INFO L93 Difference]: Finished difference Result 252 states and 329 transitions. [2018-11-28 11:26:57,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:26:57,899 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2018-11-28 11:26:57,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:26:57,900 INFO L225 Difference]: With dead ends: 252 [2018-11-28 11:26:57,900 INFO L226 Difference]: Without dead ends: 237 [2018-11-28 11:26:57,901 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2018-11-28 11:26:57,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2018-11-28 11:26:57,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 231. [2018-11-28 11:26:57,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-11-28 11:26:57,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 305 transitions. [2018-11-28 11:26:57,916 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 305 transitions. Word has length 27 [2018-11-28 11:26:57,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:26:57,917 INFO L480 AbstractCegarLoop]: Abstraction has 231 states and 305 transitions. [2018-11-28 11:26:57,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 11:26:57,917 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 305 transitions. [2018-11-28 11:26:57,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-28 11:26:57,918 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:26:57,918 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:26:57,918 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:26:57,918 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:26:57,918 INFO L82 PathProgramCache]: Analyzing trace with hash 1297315135, now seen corresponding path program 1 times [2018-11-28 11:26:57,919 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 11:26:57,919 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/uautomizer/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-11-28 11:26:57,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:26:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:26:58,121 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:26:58,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:26:58,224 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:26:58,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:26:58,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:26:58,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:26:58,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:26:58,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:26:58,235 INFO L87 Difference]: Start difference. First operand 231 states and 305 transitions. Second operand 7 states. [2018-11-28 11:27:07,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:27:07,580 INFO L93 Difference]: Finished difference Result 347 states and 448 transitions. [2018-11-28 11:27:07,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:27:07,581 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 29 [2018-11-28 11:27:07,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:27:07,583 INFO L225 Difference]: With dead ends: 347 [2018-11-28 11:27:07,583 INFO L226 Difference]: Without dead ends: 263 [2018-11-28 11:27:07,583 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-28 11:27:07,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2018-11-28 11:27:07,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 225. [2018-11-28 11:27:07,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-11-28 11:27:07,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 292 transitions. [2018-11-28 11:27:07,599 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 292 transitions. Word has length 29 [2018-11-28 11:27:07,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:27:07,599 INFO L480 AbstractCegarLoop]: Abstraction has 225 states and 292 transitions. [2018-11-28 11:27:07,599 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:27:07,599 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 292 transitions. [2018-11-28 11:27:07,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-28 11:27:07,600 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:27:07,600 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:27:07,600 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:27:07,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:27:07,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1799940619, now seen corresponding path program 1 times [2018-11-28 11:27:07,601 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 11:27:07,601 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/uautomizer/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2018-11-28 11:27:07,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:27:07,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:27:07,780 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:27:07,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:27:07,839 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:27:07,848 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:27:07,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:27:07,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:27:07,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:27:07,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:27:07,848 INFO L87 Difference]: Start difference. First operand 225 states and 292 transitions. Second operand 7 states. [2018-11-28 11:27:24,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:27:24,626 INFO L93 Difference]: Finished difference Result 233 states and 300 transitions. [2018-11-28 11:27:24,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:27:24,627 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 29 [2018-11-28 11:27:24,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:27:24,628 INFO L225 Difference]: With dead ends: 233 [2018-11-28 11:27:24,628 INFO L226 Difference]: Without dead ends: 230 [2018-11-28 11:27:24,628 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:27:24,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2018-11-28 11:27:24,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 226. [2018-11-28 11:27:24,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2018-11-28 11:27:24,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 293 transitions. [2018-11-28 11:27:24,646 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 293 transitions. Word has length 29 [2018-11-28 11:27:24,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:27:24,646 INFO L480 AbstractCegarLoop]: Abstraction has 226 states and 293 transitions. [2018-11-28 11:27:24,646 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:27:24,646 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 293 transitions. [2018-11-28 11:27:24,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-28 11:27:24,647 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:27:24,647 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:27:24,647 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:27:24,647 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:27:24,647 INFO L82 PathProgramCache]: Analyzing trace with hash -990593993, now seen corresponding path program 1 times [2018-11-28 11:27:24,647 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 11:27:24,647 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/uautomizer/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2018-11-28 11:27:24,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:27:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:27:24,829 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:27:24,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:27:24,893 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:27:24,903 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:27:24,903 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:27:24,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:27:24,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:27:24,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:27:24,904 INFO L87 Difference]: Start difference. First operand 226 states and 293 transitions. Second operand 6 states. [2018-11-28 11:27:36,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:27:36,739 INFO L93 Difference]: Finished difference Result 298 states and 381 transitions. [2018-11-28 11:27:36,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:27:36,740 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2018-11-28 11:27:36,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:27:36,742 INFO L225 Difference]: With dead ends: 298 [2018-11-28 11:27:36,742 INFO L226 Difference]: Without dead ends: 229 [2018-11-28 11:27:36,742 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:27:36,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-11-28 11:27:36,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 190. [2018-11-28 11:27:36,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2018-11-28 11:27:36,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 236 transitions. [2018-11-28 11:27:36,756 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 236 transitions. Word has length 29 [2018-11-28 11:27:36,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:27:36,756 INFO L480 AbstractCegarLoop]: Abstraction has 190 states and 236 transitions. [2018-11-28 11:27:36,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:27:36,756 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 236 transitions. [2018-11-28 11:27:36,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-28 11:27:36,757 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:27:36,757 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:27:36,757 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:27:36,757 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:27:36,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1745994737, now seen corresponding path program 1 times [2018-11-28 11:27:36,758 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 11:27:36,758 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/uautomizer/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2018-11-28 11:27:36,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:27:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:27:37,617 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:27:39,988 WARN L832 $PredicateComparison]: unable to prove that (and (= (fp.div roundNearestTiesToEven c_~one_pow~0 |c___ieee754_pow_#in~x|) |c___ieee754_pow_#res|) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) c_~one_pow~0)) is different from false [2018-11-28 11:27:42,365 WARN L854 $PredicateComparison]: unable to prove that (and (= (fp.div roundNearestTiesToEven c_~one_pow~0 |c___ieee754_pow_#in~x|) |c___ieee754_pow_#res|) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) c_~one_pow~0)) is different from true [2018-11-28 11:27:42,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:27:42,522 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:27:42,537 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:27:42,538 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-11-28 11:27:42,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 11:27:42,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 11:27:42,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=109, Unknown=2, NotChecked=20, Total=156 [2018-11-28 11:27:42,538 INFO L87 Difference]: Start difference. First operand 190 states and 236 transitions. Second operand 13 states. [2018-11-28 11:28:24,310 WARN L180 SmtUtils]: Spent 11.89 s on a formula simplification that was a NOOP. DAG size: 12 [2018-11-28 11:28:46,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:28:46,743 INFO L93 Difference]: Finished difference Result 226 states and 281 transitions. [2018-11-28 11:28:46,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-28 11:28:46,743 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 35 [2018-11-28 11:28:46,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:28:46,745 INFO L225 Difference]: With dead ends: 226 [2018-11-28 11:28:46,745 INFO L226 Difference]: Without dead ends: 216 [2018-11-28 11:28:46,745 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 43.2s TimeCoverageRelationStatistics Valid=73, Invalid=302, Unknown=9, NotChecked=36, Total=420 [2018-11-28 11:28:46,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2018-11-28 11:28:46,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 189. [2018-11-28 11:28:46,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-11-28 11:28:46,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 234 transitions. [2018-11-28 11:28:46,758 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 234 transitions. Word has length 35 [2018-11-28 11:28:46,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:28:46,758 INFO L480 AbstractCegarLoop]: Abstraction has 189 states and 234 transitions. [2018-11-28 11:28:46,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 11:28:46,758 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 234 transitions. [2018-11-28 11:28:46,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-28 11:28:46,758 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:28:46,759 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:28:46,759 INFO L423 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:28:46,759 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:28:46,759 INFO L82 PathProgramCache]: Analyzing trace with hash 422241547, now seen corresponding path program 1 times [2018-11-28 11:28:46,759 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 11:28:46,759 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/uautomizer/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2018-11-28 11:28:46,762 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:28:47,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:28:47,557 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:28:47,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:28:47,731 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:28:47,748 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:28:47,748 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 11:28:47,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 11:28:47,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 11:28:47,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:28:47,748 INFO L87 Difference]: Start difference. First operand 189 states and 234 transitions. Second operand 8 states. [2018-11-28 11:28:54,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:28:54,226 INFO L93 Difference]: Finished difference Result 244 states and 300 transitions. [2018-11-28 11:28:54,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 11:28:54,227 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2018-11-28 11:28:54,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:28:54,228 INFO L225 Difference]: With dead ends: 244 [2018-11-28 11:28:54,228 INFO L226 Difference]: Without dead ends: 165 [2018-11-28 11:28:54,228 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2018-11-28 11:28:54,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-11-28 11:28:54,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 156. [2018-11-28 11:28:54,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-11-28 11:28:54,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 193 transitions. [2018-11-28 11:28:54,242 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 193 transitions. Word has length 36 [2018-11-28 11:28:54,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:28:54,242 INFO L480 AbstractCegarLoop]: Abstraction has 156 states and 193 transitions. [2018-11-28 11:28:54,242 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 11:28:54,243 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 193 transitions. [2018-11-28 11:28:54,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-28 11:28:54,243 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:28:54,243 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:28:54,243 INFO L423 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:28:54,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:28:54,243 INFO L82 PathProgramCache]: Analyzing trace with hash 627806428, now seen corresponding path program 1 times [2018-11-28 11:28:54,244 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 11:28:54,244 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/uautomizer/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2018-11-28 11:28:54,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:28:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:28:54,528 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:28:54,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:28:54,857 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:28:54,871 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:28:54,872 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-11-28 11:28:54,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 11:28:54,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 11:28:54,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-11-28 11:28:54,872 INFO L87 Difference]: Start difference. First operand 156 states and 193 transitions. Second operand 12 states. [2018-11-28 11:29:05,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:29:05,809 INFO L93 Difference]: Finished difference Result 161 states and 198 transitions. [2018-11-28 11:29:05,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-28 11:29:05,811 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 37 [2018-11-28 11:29:05,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:29:05,811 INFO L225 Difference]: With dead ends: 161 [2018-11-28 11:29:05,811 INFO L226 Difference]: Without dead ends: 148 [2018-11-28 11:29:05,811 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-28 11:29:05,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-11-28 11:29:05,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-11-28 11:29:05,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-11-28 11:29:05,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 184 transitions. [2018-11-28 11:29:05,821 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 184 transitions. Word has length 37 [2018-11-28 11:29:05,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:29:05,821 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 184 transitions. [2018-11-28 11:29:05,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 11:29:05,821 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 184 transitions. [2018-11-28 11:29:05,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-28 11:29:05,822 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:29:05,822 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:29:05,822 INFO L423 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:29:05,822 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:29:05,822 INFO L82 PathProgramCache]: Analyzing trace with hash -1092260135, now seen corresponding path program 1 times [2018-11-28 11:29:05,822 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 11:29:05,823 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_257bf709-6a04-4b8b-863b-0944167b6463/bin-2019/uautomizer/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2018-11-28 11:29:05,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:29:06,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:29:06,659 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:29:06,777 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 60 [2018-11-28 11:29:06,782 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 55 [2018-11-28 11:29:06,795 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 27 [2018-11-28 11:29:06,795 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-28 11:29:06,800 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:29:06,806 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:29:06,828 INFO L267 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. [2018-11-28 11:29:06,828 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:90, output treesize:51 [2018-11-28 11:29:09,579 WARN L832 $PredicateComparison]: unable to prove that (and (exists ((|v_q#valueAsBitvector_33| (_ BitVec 64)) (|v_q#valueAsBitvector_32| (_ BitVec 64))) (and (= c___ieee754_pow_~z~1 (fp.div roundNearestTiesToEven c_~one_pow~0 (let ((.cse0 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_32|)) ((_ extract 31 0) |v_q#valueAsBitvector_33|)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))))) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_32|) ((_ extract 62 52) |v_q#valueAsBitvector_32|) ((_ extract 51 0) |v_q#valueAsBitvector_32|)) |c___ieee754_pow_#in~x|) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_33|) ((_ extract 62 52) |v_q#valueAsBitvector_33|) ((_ extract 51 0) |v_q#valueAsBitvector_33|)) |c___ieee754_pow_#in~x|))) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) c_~one_pow~0)) is different from false [2018-11-28 11:29:11,913 WARN L832 $PredicateComparison]: unable to prove that (and (exists ((|v_q#valueAsBitvector_33| (_ BitVec 64)) (|v_q#valueAsBitvector_32| (_ BitVec 64))) (and (= |c___ieee754_pow_#res| (fp.div roundNearestTiesToEven c_~one_pow~0 (let ((.cse0 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_32|)) ((_ extract 31 0) |v_q#valueAsBitvector_33|)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))))) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_32|) ((_ extract 62 52) |v_q#valueAsBitvector_32|) ((_ extract 51 0) |v_q#valueAsBitvector_32|)) |c___ieee754_pow_#in~x|) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_33|) ((_ extract 62 52) |v_q#valueAsBitvector_33|) ((_ extract 51 0) |v_q#valueAsBitvector_33|)) |c___ieee754_pow_#in~x|))) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) c_~one_pow~0)) is different from false [2018-11-28 11:29:33,317 WARN L180 SmtUtils]: Spent 2.45 s on a formula simplification that was a NOOP. DAG size: 31 [2018-11-28 11:29:40,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:29:40,956 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:29:40,972 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:29:40,972 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-11-28 11:29:40,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-28 11:29:40,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-28 11:29:40,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=146, Unknown=5, NotChecked=50, Total=240 [2018-11-28 11:29:40,973 INFO L87 Difference]: Start difference. First operand 148 states and 184 transitions. Second operand 16 states. [2018-11-28 11:30:07,555 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-11-28 11:30:07,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 11:30:07,556 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.checkSat(ManagedScript.java:141) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:84) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:893) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:767) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:339) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:382) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1066) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:968) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:188) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:699) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:628) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:472) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) 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) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1427) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 43 more [2018-11-28 11:30:07,559 INFO L168 Benchmark]: Toolchain (without parser) took 337603.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 212.9 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -226.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:30:07,559 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:30:07,559 INFO L168 Benchmark]: CACSL2BoogieTranslator took 411.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -168.7 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. [2018-11-28 11:30:07,560 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:30:07,560 INFO L168 Benchmark]: Boogie Preprocessor took 73.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:30:07,560 INFO L168 Benchmark]: RCFGBuilder took 42559.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 987.7 MB in the end (delta: 112.3 MB). Peak memory consumption was 112.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:30:07,560 INFO L168 Benchmark]: TraceAbstraction took 294532.17 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 92.3 MB). Free memory was 987.7 MB in the beginning and 1.2 GB in the end (delta: -182.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:30:07,563 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 411.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -168.7 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 42559.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 987.7 MB in the end (delta: 112.3 MB). Peak memory consumption was 112.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 294532.17 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 92.3 MB). Free memory was 987.7 MB in the beginning and 1.2 GB in the end (delta: -182.2 MB). There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...