java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/elevator_spec1_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:08:27,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:08:27,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:08:27,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:08:27,054 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:08:27,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:08:27,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:08:27,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:08:27,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:08:27,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:08:27,069 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:08:27,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:08:27,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:08:27,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:08:27,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:08:27,075 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:08:27,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:08:27,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:08:27,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:08:27,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:08:27,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:08:27,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:08:27,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:08:27,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:08:27,097 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:08:27,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:08:27,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:08:27,099 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:08:27,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:08:27,103 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:08:27,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:08:27,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:08:27,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:08:27,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:08:27,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:08:27,110 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:08:27,111 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:08:27,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:08:27,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:08:27,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:08:27,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:08:27,114 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 14:08:27,137 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:08:27,137 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:08:27,140 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:08:27,140 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:08:27,140 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:08:27,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:08:27,141 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:08:27,141 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:08:27,141 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:08:27,141 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:08:27,143 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:08:27,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:08:27,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:08:27,143 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:08:27,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:08:27,144 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:08:27,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:08:27,144 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:08:27,145 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:08:27,145 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:08:27,145 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:08:27,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:08:27,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:08:27,146 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:08:27,146 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:08:27,146 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:08:27,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:08:27,147 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:08:27,147 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 14:08:27,448 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:08:27,460 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:08:27,464 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:08:27,466 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:08:27,466 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:08:27,467 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product24.cil.c [2019-10-07 14:08:27,532 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7e95773e/d12243587bd84637832af79abcad31ce/FLAG417bbe7a1 [2019-10-07 14:08:28,136 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:08:28,136 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec1_product24.cil.c [2019-10-07 14:08:28,171 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7e95773e/d12243587bd84637832af79abcad31ce/FLAG417bbe7a1 [2019-10-07 14:08:28,398 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7e95773e/d12243587bd84637832af79abcad31ce [2019-10-07 14:08:28,409 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:08:28,411 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:08:28,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:08:28,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:08:28,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:08:28,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:08:28" (1/1) ... [2019-10-07 14:08:28,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52986215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:08:28, skipping insertion in model container [2019-10-07 14:08:28,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:08:28" (1/1) ... [2019-10-07 14:08:28,427 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:08:28,538 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:08:29,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:08:29,386 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:08:29,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:08:29,619 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:08:29,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:08:29 WrapperNode [2019-10-07 14:08:29,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:08:29,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:08:29,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:08:29,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:08:29,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:08:29" (1/1) ... [2019-10-07 14:08:29,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:08:29" (1/1) ... [2019-10-07 14:08:29,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:08:29" (1/1) ... [2019-10-07 14:08:29,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:08:29" (1/1) ... [2019-10-07 14:08:29,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:08:29" (1/1) ... [2019-10-07 14:08:29,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:08:29" (1/1) ... [2019-10-07 14:08:29,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:08:29" (1/1) ... [2019-10-07 14:08:29,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:08:29,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:08:29,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:08:29,833 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:08:29,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:08:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:08:29,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:08:29,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:08:29,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:08:29,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:08:29,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:08:29,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:08:29,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:08:29,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:08:29,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:08:29,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:08:29,930 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-07 14:08:29,931 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-07 14:08:29,932 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-07 14:08:29,932 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-07 14:08:29,932 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-07 14:08:29,932 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-07 14:08:29,935 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-07 14:08:29,935 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-07 14:08:29,935 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 14:08:29,936 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-07 14:08:29,936 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-07 14:08:29,936 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-07 14:08:29,936 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 14:08:29,936 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-07 14:08:29,937 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:08:29,937 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 14:08:29,937 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:08:29,937 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-07 14:08:29,938 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-07 14:08:29,938 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-07 14:08:29,938 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-07 14:08:29,938 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-07 14:08:29,939 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-07 14:08:29,939 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-07 14:08:29,940 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-07 14:08:29,940 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-07 14:08:29,940 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-07 14:08:29,940 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-07 14:08:29,941 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-07 14:08:29,941 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-07 14:08:29,941 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-07 14:08:29,941 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-07 14:08:29,942 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-07 14:08:29,942 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-07 14:08:29,942 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-07 14:08:29,942 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-07 14:08:29,943 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-07 14:08:29,943 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-07 14:08:29,943 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-07 14:08:29,943 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-07 14:08:29,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-07 14:08:29,944 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2019-10-07 14:08:29,944 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-07 14:08:29,944 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-07 14:08:29,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-07 14:08:29,945 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-07 14:08:29,945 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-07 14:08:29,945 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-07 14:08:29,946 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-07 14:08:29,946 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-07 14:08:29,946 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-07 14:08:29,947 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2019-10-07 14:08:29,947 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 14:08:29,947 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2019-10-07 14:08:29,947 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-07 14:08:29,947 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-07 14:08:29,948 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-07 14:08:29,948 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-07 14:08:29,948 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-07 14:08:29,948 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-07 14:08:29,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-07 14:08:29,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2019-10-07 14:08:29,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2019-10-07 14:08:29,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2019-10-07 14:08:29,950 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:08:29,950 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-07 14:08:29,951 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-07 14:08:29,951 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-07 14:08:29,951 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:08:29,951 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:08:29,952 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:08:29,953 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:08:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:08:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:08:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:08:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:08:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:08:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:08:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:08:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:08:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:08:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:08:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:08:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:08:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:08:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:08:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:08:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:08:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:08:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:08:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:08:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:08:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-07 14:08:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-07 14:08:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-07 14:08:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-07 14:08:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-07 14:08:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-07 14:08:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-07 14:08:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-07 14:08:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-07 14:08:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-07 14:08:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 14:08:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-07 14:08:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-07 14:08:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-07 14:08:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 14:08:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-07 14:08:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-07 14:08:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-07 14:08:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-07 14:08:29,960 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-07 14:08:29,960 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 14:08:29,960 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-07 14:08:29,961 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:08:29,961 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-07 14:08:29,961 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2019-10-07 14:08:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:08:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 14:08:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:08:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:08:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:08:29,963 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:08:29,964 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-07 14:08:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-07 14:08:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-07 14:08:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-07 14:08:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-07 14:08:29,968 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-07 14:08:29,968 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-07 14:08:29,968 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2019-10-07 14:08:29,969 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:08:29,969 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-07 14:08:29,969 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-07 14:08:29,976 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-07 14:08:29,977 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-07 14:08:29,977 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-07 14:08:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-07 14:08:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-07 14:08:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-07 14:08:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-07 14:08:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-07 14:08:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-07 14:08:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-07 14:08:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-07 14:08:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-07 14:08:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-07 14:08:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-07 14:08:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-07 14:08:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-07 14:08:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2019-10-07 14:08:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-07 14:08:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-07 14:08:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-07 14:08:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-07 14:08:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-07 14:08:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-07 14:08:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-07 14:08:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-07 14:08:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2019-10-07 14:08:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2019-10-07 14:08:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2019-10-07 14:08:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-07 14:08:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-07 14:08:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-07 14:08:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:08:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:08:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:08:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:08:35,510 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:08:35,510 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-07 14:08:35,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:08:35 BoogieIcfgContainer [2019-10-07 14:08:35,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:08:35,513 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:08:35,513 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:08:35,517 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:08:35,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:08:28" (1/3) ... [2019-10-07 14:08:35,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@439b754d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:08:35, skipping insertion in model container [2019-10-07 14:08:35,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:08:29" (2/3) ... [2019-10-07 14:08:35,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@439b754d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:08:35, skipping insertion in model container [2019-10-07 14:08:35,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:08:35" (3/3) ... [2019-10-07 14:08:35,521 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product24.cil.c [2019-10-07 14:08:35,531 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:08:35,544 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:08:35,556 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:08:35,603 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:08:35,603 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:08:35,603 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:08:35,603 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:08:35,603 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:08:35,604 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:08:35,604 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:08:35,604 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:08:35,648 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states. [2019-10-07 14:08:35,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-10-07 14:08:35,672 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:08:35,674 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2019-10-07 14:08:35,676 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:08:35,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:08:35,683 INFO L82 PathProgramCache]: Analyzing trace with hash 167046203, now seen corresponding path program 1 times [2019-10-07 14:08:35,693 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:08:35,693 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:08:35,693 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:08:35,694 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:08:35,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:08:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:08:36,378 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-07 14:08:36,379 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:08:36,379 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:08:36,380 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:08:36,384 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:08:36,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:08:36,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:08:36,408 INFO L87 Difference]: Start difference. First operand 610 states. Second operand 2 states. [2019-10-07 14:08:36,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:08:36,501 INFO L93 Difference]: Finished difference Result 513 states and 757 transitions. [2019-10-07 14:08:36,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:08:36,503 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 97 [2019-10-07 14:08:36,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:08:36,542 INFO L225 Difference]: With dead ends: 513 [2019-10-07 14:08:36,543 INFO L226 Difference]: Without dead ends: 479 [2019-10-07 14:08:36,552 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:08:36,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2019-10-07 14:08:36,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 479. [2019-10-07 14:08:36,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2019-10-07 14:08:36,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 706 transitions. [2019-10-07 14:08:36,654 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 706 transitions. Word has length 97 [2019-10-07 14:08:36,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:08:36,656 INFO L462 AbstractCegarLoop]: Abstraction has 479 states and 706 transitions. [2019-10-07 14:08:36,656 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:08:36,657 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 706 transitions. [2019-10-07 14:08:36,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-07 14:08:36,664 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:08:36,664 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2019-10-07 14:08:36,665 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:08:36,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:08:36,665 INFO L82 PathProgramCache]: Analyzing trace with hash 697325300, now seen corresponding path program 1 times [2019-10-07 14:08:36,666 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:08:36,666 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:08:36,666 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:08:36,666 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:08:36,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:08:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:08:37,041 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-07 14:08:37,042 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:08:37,042 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:08:37,042 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-07 14:08:37,049 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 14:08:37,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 14:08:37,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-07 14:08:37,051 INFO L87 Difference]: Start difference. First operand 479 states and 706 transitions. Second operand 9 states. [2019-10-07 14:08:43,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:08:43,611 INFO L93 Difference]: Finished difference Result 1298 states and 1960 transitions. [2019-10-07 14:08:43,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-10-07 14:08:43,612 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 98 [2019-10-07 14:08:43,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:08:43,621 INFO L225 Difference]: With dead ends: 1298 [2019-10-07 14:08:43,621 INFO L226 Difference]: Without dead ends: 872 [2019-10-07 14:08:43,629 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2019-10-07 14:08:43,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2019-10-07 14:08:43,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 841. [2019-10-07 14:08:43,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 841 states. [2019-10-07 14:08:43,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1228 transitions. [2019-10-07 14:08:43,761 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1228 transitions. Word has length 98 [2019-10-07 14:08:43,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:08:43,763 INFO L462 AbstractCegarLoop]: Abstraction has 841 states and 1228 transitions. [2019-10-07 14:08:43,763 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 14:08:43,763 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1228 transitions. [2019-10-07 14:08:43,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-07 14:08:43,767 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:08:43,768 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1] [2019-10-07 14:08:43,768 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:08:43,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:08:43,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1082098819, now seen corresponding path program 1 times [2019-10-07 14:08:43,769 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:08:43,770 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:08:43,770 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:08:43,770 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:08:43,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:08:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:08:44,201 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-07 14:08:44,201 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:08:44,202 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:08:44,202 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:08:44,205 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:08:44,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:08:44,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:08:44,206 INFO L87 Difference]: Start difference. First operand 841 states and 1228 transitions. Second operand 3 states. [2019-10-07 14:08:44,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:08:44,419 INFO L93 Difference]: Finished difference Result 2409 states and 3567 transitions. [2019-10-07 14:08:44,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:08:44,419 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2019-10-07 14:08:44,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:08:44,439 INFO L225 Difference]: With dead ends: 2409 [2019-10-07 14:08:44,440 INFO L226 Difference]: Without dead ends: 1623 [2019-10-07 14:08:44,445 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:08:44,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1623 states. [2019-10-07 14:08:44,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1623 to 1616. [2019-10-07 14:08:44,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1616 states. [2019-10-07 14:08:44,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1616 states and 2384 transitions. [2019-10-07 14:08:44,588 INFO L78 Accepts]: Start accepts. Automaton has 1616 states and 2384 transitions. Word has length 99 [2019-10-07 14:08:44,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:08:44,592 INFO L462 AbstractCegarLoop]: Abstraction has 1616 states and 2384 transitions. [2019-10-07 14:08:44,592 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:08:44,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 2384 transitions. [2019-10-07 14:08:44,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-10-07 14:08:44,598 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:08:44,598 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1] [2019-10-07 14:08:44,598 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:08:44,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:08:44,599 INFO L82 PathProgramCache]: Analyzing trace with hash 814303691, now seen corresponding path program 1 times [2019-10-07 14:08:44,599 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:08:44,599 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:08:44,599 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:08:44,600 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:08:44,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:08:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:08:44,883 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-07 14:08:44,884 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:08:44,884 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:08:44,884 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 14:08:44,885 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 14:08:44,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 14:08:44,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-07 14:08:44,886 INFO L87 Difference]: Start difference. First operand 1616 states and 2384 transitions. Second operand 6 states. [2019-10-07 14:08:48,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:08:48,171 INFO L93 Difference]: Finished difference Result 5129 states and 7717 transitions. [2019-10-07 14:08:48,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 14:08:48,172 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 100 [2019-10-07 14:08:48,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:08:48,217 INFO L225 Difference]: With dead ends: 5129 [2019-10-07 14:08:48,217 INFO L226 Difference]: Without dead ends: 3569 [2019-10-07 14:08:48,227 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-10-07 14:08:48,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3569 states. [2019-10-07 14:08:48,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3569 to 3258. [2019-10-07 14:08:48,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3258 states. [2019-10-07 14:08:48,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3258 states to 3258 states and 4895 transitions. [2019-10-07 14:08:48,570 INFO L78 Accepts]: Start accepts. Automaton has 3258 states and 4895 transitions. Word has length 100 [2019-10-07 14:08:48,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:08:48,570 INFO L462 AbstractCegarLoop]: Abstraction has 3258 states and 4895 transitions. [2019-10-07 14:08:48,570 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 14:08:48,570 INFO L276 IsEmpty]: Start isEmpty. Operand 3258 states and 4895 transitions. [2019-10-07 14:08:48,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-07 14:08:48,574 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:08:48,575 INFO L385 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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] [2019-10-07 14:08:48,575 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:08:48,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:08:48,576 INFO L82 PathProgramCache]: Analyzing trace with hash -304140986, now seen corresponding path program 1 times [2019-10-07 14:08:48,576 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:08:48,576 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:08:48,576 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:08:48,577 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:08:48,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:08:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:08:48,877 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 14:08:48,878 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:08:48,878 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:08:48,878 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 14:08:48,879 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 14:08:48,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 14:08:48,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 14:08:48,880 INFO L87 Difference]: Start difference. First operand 3258 states and 4895 transitions. Second operand 7 states. [2019-10-07 14:08:52,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:08:52,710 INFO L93 Difference]: Finished difference Result 8025 states and 12049 transitions. [2019-10-07 14:08:52,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-07 14:08:52,710 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 146 [2019-10-07 14:08:52,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:08:52,759 INFO L225 Difference]: With dead ends: 8025 [2019-10-07 14:08:52,759 INFO L226 Difference]: Without dead ends: 4826 [2019-10-07 14:08:52,781 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2019-10-07 14:08:52,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4826 states. [2019-10-07 14:08:53,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4826 to 4739. [2019-10-07 14:08:53,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4739 states. [2019-10-07 14:08:53,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4739 states to 4739 states and 7072 transitions. [2019-10-07 14:08:53,080 INFO L78 Accepts]: Start accepts. Automaton has 4739 states and 7072 transitions. Word has length 146 [2019-10-07 14:08:53,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:08:53,081 INFO L462 AbstractCegarLoop]: Abstraction has 4739 states and 7072 transitions. [2019-10-07 14:08:53,081 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 14:08:53,081 INFO L276 IsEmpty]: Start isEmpty. Operand 4739 states and 7072 transitions. [2019-10-07 14:08:53,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-07 14:08:53,087 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:08:53,087 INFO L385 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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] [2019-10-07 14:08:53,087 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:08:53,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:08:53,088 INFO L82 PathProgramCache]: Analyzing trace with hash 2131483078, now seen corresponding path program 1 times [2019-10-07 14:08:53,088 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:08:53,088 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:08:53,088 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:08:53,089 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:08:53,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:08:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:08:53,527 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 14:08:53,527 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:08:53,528 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:08:53,528 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-07 14:08:53,529 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-07 14:08:53,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-07 14:08:53,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2019-10-07 14:08:53,530 INFO L87 Difference]: Start difference. First operand 4739 states and 7072 transitions. Second operand 12 states. [2019-10-07 14:09:01,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:09:01,850 INFO L93 Difference]: Finished difference Result 13002 states and 19310 transitions. [2019-10-07 14:09:01,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-10-07 14:09:01,851 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 149 [2019-10-07 14:09:01,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:09:01,905 INFO L225 Difference]: With dead ends: 13002 [2019-10-07 14:09:01,905 INFO L226 Difference]: Without dead ends: 8318 [2019-10-07 14:09:01,930 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=156, Invalid=836, Unknown=0, NotChecked=0, Total=992 [2019-10-07 14:09:01,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8318 states. [2019-10-07 14:09:02,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8318 to 8236. [2019-10-07 14:09:02,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8236 states. [2019-10-07 14:09:02,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8236 states to 8236 states and 12113 transitions. [2019-10-07 14:09:02,409 INFO L78 Accepts]: Start accepts. Automaton has 8236 states and 12113 transitions. Word has length 149 [2019-10-07 14:09:02,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:09:02,410 INFO L462 AbstractCegarLoop]: Abstraction has 8236 states and 12113 transitions. [2019-10-07 14:09:02,410 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-07 14:09:02,411 INFO L276 IsEmpty]: Start isEmpty. Operand 8236 states and 12113 transitions. [2019-10-07 14:09:02,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-07 14:09:02,414 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:09:02,415 INFO L385 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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] [2019-10-07 14:09:02,415 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:09:02,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:09:02,415 INFO L82 PathProgramCache]: Analyzing trace with hash 221379687, now seen corresponding path program 1 times [2019-10-07 14:09:02,416 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:09:02,416 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:09:02,416 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:09:02,416 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:09:02,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:09:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:09:02,675 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 14:09:02,676 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:09:02,676 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:09:02,676 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 14:09:02,677 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 14:09:02,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 14:09:02,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-07 14:09:02,678 INFO L87 Difference]: Start difference. First operand 8236 states and 12113 transitions. Second operand 6 states. [2019-10-07 14:09:03,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:09:03,854 INFO L93 Difference]: Finished difference Result 8320 states and 12250 transitions. [2019-10-07 14:09:03,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 14:09:03,855 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 150 [2019-10-07 14:09:03,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:09:03,918 INFO L225 Difference]: With dead ends: 8320 [2019-10-07 14:09:03,918 INFO L226 Difference]: Without dead ends: 8297 [2019-10-07 14:09:03,925 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-10-07 14:09:03,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8297 states. [2019-10-07 14:09:04,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8297 to 8246. [2019-10-07 14:09:04,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8246 states. [2019-10-07 14:09:04,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8246 states to 8246 states and 12123 transitions. [2019-10-07 14:09:04,371 INFO L78 Accepts]: Start accepts. Automaton has 8246 states and 12123 transitions. Word has length 150 [2019-10-07 14:09:04,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:09:04,372 INFO L462 AbstractCegarLoop]: Abstraction has 8246 states and 12123 transitions. [2019-10-07 14:09:04,372 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 14:09:04,372 INFO L276 IsEmpty]: Start isEmpty. Operand 8246 states and 12123 transitions. [2019-10-07 14:09:04,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-07 14:09:04,376 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:09:04,377 INFO L385 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 1, 1, 1, 1, 1] [2019-10-07 14:09:04,377 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:09:04,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:09:04,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1203185504, now seen corresponding path program 1 times [2019-10-07 14:09:04,378 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:09:04,378 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:09:04,378 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:09:04,378 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:09:04,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:09:04,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:09:04,608 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 14:09:04,609 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:09:04,609 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:09:04,609 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-07 14:09:04,610 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 14:09:04,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 14:09:04,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-07 14:09:04,611 INFO L87 Difference]: Start difference. First operand 8246 states and 12123 transitions. Second operand 9 states. [2019-10-07 14:09:05,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:09:05,951 INFO L93 Difference]: Finished difference Result 8706 states and 12765 transitions. [2019-10-07 14:09:05,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-07 14:09:05,952 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2019-10-07 14:09:05,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:09:05,991 INFO L225 Difference]: With dead ends: 8706 [2019-10-07 14:09:05,991 INFO L226 Difference]: Without dead ends: 8683 [2019-10-07 14:09:05,997 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2019-10-07 14:09:06,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8683 states. [2019-10-07 14:09:06,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8683 to 8510. [2019-10-07 14:09:06,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8510 states. [2019-10-07 14:09:06,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8510 states to 8510 states and 12479 transitions. [2019-10-07 14:09:06,440 INFO L78 Accepts]: Start accepts. Automaton has 8510 states and 12479 transitions. Word has length 155 [2019-10-07 14:09:06,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:09:06,441 INFO L462 AbstractCegarLoop]: Abstraction has 8510 states and 12479 transitions. [2019-10-07 14:09:06,441 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 14:09:06,441 INFO L276 IsEmpty]: Start isEmpty. Operand 8510 states and 12479 transitions. [2019-10-07 14:09:06,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-10-07 14:09:06,447 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:09:06,447 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:09:06,447 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:09:06,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:09:06,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1023987506, now seen corresponding path program 1 times [2019-10-07 14:09:06,448 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:09:06,448 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:09:06,451 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:09:06,452 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:09:06,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:09:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:09:07,542 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-07 14:09:07,542 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:09:07,543 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:09:07,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:09:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:09:08,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 3559 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-07 14:09:08,938 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:09:09,052 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:09,208 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 14:09:09,209 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:09:09,622 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:09,927 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 14:09:09,927 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 14:09:09,928 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [34] total 39 [2019-10-07 14:09:09,930 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 14:09:09,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 14:09:09,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1359, Unknown=0, NotChecked=0, Total=1482 [2019-10-07 14:09:09,932 INFO L87 Difference]: Start difference. First operand 8510 states and 12479 transitions. Second operand 7 states. [2019-10-07 14:09:10,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:09:10,429 INFO L93 Difference]: Finished difference Result 8743 states and 12758 transitions. [2019-10-07 14:09:10,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 14:09:10,430 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 170 [2019-10-07 14:09:10,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:09:10,498 INFO L225 Difference]: With dead ends: 8743 [2019-10-07 14:09:10,498 INFO L226 Difference]: Without dead ends: 8720 [2019-10-07 14:09:10,506 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 352 SyntacticMatches, 4 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 426 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=127, Invalid=1433, Unknown=0, NotChecked=0, Total=1560 [2019-10-07 14:09:10,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8720 states. [2019-10-07 14:09:11,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8720 to 8686. [2019-10-07 14:09:11,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8686 states. [2019-10-07 14:09:11,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8686 states to 8686 states and 12655 transitions. [2019-10-07 14:09:11,105 INFO L78 Accepts]: Start accepts. Automaton has 8686 states and 12655 transitions. Word has length 170 [2019-10-07 14:09:11,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:09:11,106 INFO L462 AbstractCegarLoop]: Abstraction has 8686 states and 12655 transitions. [2019-10-07 14:09:11,106 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 14:09:11,107 INFO L276 IsEmpty]: Start isEmpty. Operand 8686 states and 12655 transitions. [2019-10-07 14:09:11,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-10-07 14:09:11,115 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:09:11,115 INFO L385 BasicCegarLoop]: trace histogram [7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 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] [2019-10-07 14:09:11,326 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:09:11,326 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:09:11,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:09:11,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1603043259, now seen corresponding path program 1 times [2019-10-07 14:09:11,327 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:09:11,327 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:09:11,328 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:09:11,328 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:09:11,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:09:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:09:11,935 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-10-07 14:09:11,935 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:09:11,935 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:09:11,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:09:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:09:12,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 3623 conjuncts, 41 conjunts are in the unsatisfiable core [2019-10-07 14:09:12,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:09:13,583 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-10-07 14:09:13,584 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:09:14,051 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:09:15,299 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:09:15,417 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-10-07 14:09:15,848 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2019-10-07 14:09:16,157 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:16,158 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:16,158 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:16,159 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:16,160 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:16,161 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:16,161 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:16,162 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:16,163 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:16,163 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:16,164 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:16,165 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:16,166 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:16,166 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:16,167 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:16,693 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:09:17,047 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-10-07 14:09:17,894 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:09:18,285 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2019-10-07 14:09:18,419 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:18,420 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:18,421 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:18,422 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:18,423 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:18,423 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:18,424 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:18,425 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:18,425 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:18,426 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:18,427 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:18,427 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:18,428 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:18,428 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:18,429 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:18,886 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:09:19,180 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:19,181 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:19,182 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:19,290 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:19,699 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:09:20,315 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:09:20,609 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2019-10-07 14:09:20,902 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:09:21,716 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:21,717 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:21,718 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:21,718 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:21,719 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:21,719 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:21,720 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:21,721 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:21,721 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:21,722 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:21,723 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:21,723 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:21,724 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:21,724 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:21,725 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:21,726 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:22,185 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:09:22,832 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:22,833 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:22,833 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:22,834 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:22,834 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:22,835 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:22,836 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:22,836 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:22,837 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:22,837 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:22,838 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:22,838 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:22,839 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:22,839 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:22,840 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:22,840 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:22,841 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:22,841 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:22,842 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:22,842 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:22,843 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:22,844 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:22,844 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:22,845 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:22,845 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:22,846 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:22,846 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:22,847 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:22,848 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:22,848 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:22,848 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:23,333 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:09:23,842 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:23,843 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:23,843 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:23,844 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:23,844 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:23,845 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:23,846 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:23,846 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:23,847 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:23,848 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:23,848 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:23,848 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:23,849 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:23,850 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:23,850 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:23,851 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:23,852 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:23,852 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:23,852 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:23,853 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:23,854 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:23,854 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:23,855 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:23,855 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:23,856 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:23,857 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:23,857 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:23,858 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:23,858 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:23,859 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:23,859 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:24,411 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:09:24,663 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:24,664 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:24,665 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:24,665 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:09:24,665 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:24,666 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:24,666 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:24,668 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:09:24,669 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:24,670 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:24,671 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:24,671 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:24,672 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:09:24,672 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:24,673 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:24,673 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:24,674 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:24,675 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:24,675 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:09:24,676 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:09:24,676 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:24,677 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:09:24,677 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:09:25,237 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:09:25,292 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:25,292 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:09:25,293 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:25,294 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:25,294 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:25,295 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:25,295 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:25,296 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:25,296 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:25,297 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:25,298 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:25,298 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:25,299 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:25,299 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:25,300 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:25,301 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:25,301 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:25,351 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:25,352 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:25,353 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:25,354 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:25,354 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:09:25,544 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-10-07 14:09:25,545 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:09:25,576 INFO L162 IcfgInterpreter]: Started Sifa with 162 locations of interest [2019-10-07 14:09:25,576 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:09:25,583 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:09:25,592 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:09:25,593 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:10:12,112 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 777 [2019-10-07 14:10:17,076 WARN L191 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 430 DAG size of output: 347 [2019-10-07 14:10:17,558 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 870 [2019-10-07 14:10:18,299 WARN L191 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 870 [2019-10-07 14:10:18,816 WARN L191 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 870 [2019-10-07 14:10:19,586 WARN L191 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:10:20,196 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:10:20,706 WARN L191 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:10:21,330 WARN L191 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:10:22,297 WARN L191 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 1066 DAG size of output: 1064 [2019-10-07 14:10:22,847 WARN L191 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:10:23,417 WARN L191 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:10:23,913 WARN L191 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:10:24,416 WARN L191 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:10:24,546 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2019-10-07 14:10:25,036 WARN L191 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:10:25,058 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 400 for LOIs [2019-10-07 14:10:25,304 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 745 [2019-10-07 14:10:25,421 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 745 [2019-10-07 14:10:25,525 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2019-10-07 14:10:25,909 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 939 [2019-10-07 14:10:25,911 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1114 for LOIs [2019-10-07 14:10:26,448 WARN L191 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:10:26,926 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:10:27,070 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:10:27,887 WARN L191 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:28,468 WARN L191 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:10:28,945 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:10:29,078 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:10:29,884 WARN L191 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:30,625 WARN L191 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:10:31,104 WARN L191 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:10:31,238 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:10:32,059 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:33,067 WARN L191 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 1290 DAG size of output: 1114 [2019-10-07 14:10:33,544 WARN L191 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:10:33,690 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:10:34,498 WARN L191 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:35,046 WARN L191 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:10:35,520 WARN L191 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:10:35,648 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:10:36,463 WARN L191 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:36,957 WARN L191 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:10:37,510 WARN L191 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:10:37,637 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:10:38,455 WARN L191 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:38,936 WARN L191 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:10:39,475 WARN L191 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:10:39,605 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:10:40,412 WARN L191 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:40,893 WARN L191 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:10:41,383 WARN L191 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:10:41,511 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:10:42,360 WARN L191 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:42,853 WARN L191 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:10:43,332 WARN L191 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:10:43,463 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:10:44,266 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:44,765 WARN L191 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:10:45,248 WARN L191 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:10:45,376 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:10:46,201 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:46,687 WARN L191 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:10:47,182 WARN L191 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:10:47,343 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:10:48,177 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:48,667 WARN L191 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:10:49,155 WARN L191 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:10:49,284 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:10:50,101 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:50,582 WARN L191 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:10:51,067 WARN L191 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-10-07 14:10:51,196 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:10:52,007 WARN L191 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:53,121 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:53,967 WARN L191 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:54,122 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:10:54,933 WARN L191 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:56,492 WARN L191 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:10:57,306 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:57,477 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:10:58,303 WARN L191 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:59,120 WARN L191 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:59,957 WARN L191 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:00,086 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:11:00,895 WARN L191 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:01,758 WARN L191 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:11:02,587 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:11:02,726 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:11:03,554 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:05,054 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1292 [2019-10-07 14:11:05,897 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:06,041 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:11:06,862 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:08,258 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:11:09,078 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:11:09,209 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:11:10,038 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:10,875 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:11:11,710 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:11:11,847 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:11:12,702 WARN L191 SmtUtils]: Spent 853.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:13,548 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:14,388 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:14,540 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:11:15,365 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:11:16,229 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:17,057 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:17,191 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:11:18,019 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:11:19,470 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1296 DAG size of output: 1292 [2019-10-07 14:11:20,294 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:20,431 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:11:21,262 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:11:22,089 WARN L191 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:22,912 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:23,042 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:11:23,867 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:11:25,406 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:11:26,228 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:26,367 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:11:27,190 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:28,715 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:11:29,536 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:29,672 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:11:30,488 WARN L191 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:31,308 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:32,124 WARN L191 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:32,254 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:11:33,069 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:33,936 WARN L191 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:34,761 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:34,897 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:11:35,715 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:37,222 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:11:38,056 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:11:38,200 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:11:39,026 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:40,501 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:11:41,321 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:11:41,453 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:11:42,294 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:43,792 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:11:44,620 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:11:44,777 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:11:45,605 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:47,018 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1296 DAG size of output: 1292 [2019-10-07 14:11:47,851 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:47,989 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:11:48,820 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:11:50,371 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:11:51,233 WARN L191 SmtUtils]: Spent 859.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:51,379 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:11:52,201 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:53,682 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:11:54,514 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:54,651 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:11:55,472 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:56,280 WARN L191 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:57,116 WARN L191 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:57,246 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:11:58,063 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:59,580 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:12:00,410 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:12:00,549 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:12:01,369 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:12:02,861 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:12:03,693 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:12:03,829 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:12:04,655 WARN L191 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:12:05,477 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:12:06,289 WARN L191 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:12:06,419 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:12:07,235 WARN L191 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:12:08,770 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1292 [2019-10-07 14:12:09,601 WARN L191 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:12:09,737 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:12:10,569 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:12:11,426 WARN L191 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:12:12,255 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:12:12,398 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:12:13,229 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:12:14,056 WARN L191 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:12:14,896 WARN L191 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:12:15,028 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:12:15,859 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:12:17,288 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1299 DAG size of output: 1292 [2019-10-07 14:12:18,119 WARN L191 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:12:18,257 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:12:19,087 WARN L191 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:12:20,635 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:12:21,462 WARN L191 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:12:21,598 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:12:22,420 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:12:23,932 WARN L191 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:12:24,775 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:12:24,922 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:12:25,745 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:12:26,567 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:12:27,402 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:12:27,535 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:12:28,373 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:12:29,243 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:12:30,083 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:12:30,219 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:12:31,059 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:12:32,588 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:12:33,408 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:12:33,558 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:12:34,400 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:12:35,941 WARN L191 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:12:36,756 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:12:36,889 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:12:37,728 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:12:39,226 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1299 DAG size of output: 1292 [2019-10-07 14:12:40,049 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:12:40,207 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:12:41,049 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:12:42,510 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1301 DAG size of output: 1294 [2019-10-07 14:12:43,344 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:12:43,479 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:12:44,323 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:12:45,818 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1301 DAG size of output: 1294 [2019-10-07 14:12:46,661 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:12:46,806 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:12:47,663 WARN L191 SmtUtils]: Spent 855.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:12:49,104 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1301 DAG size of output: 1294 [2019-10-07 14:12:49,937 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:12:50,207 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:12:51,048 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:12:52,562 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:12:53,401 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:12:53,536 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:12:54,378 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:12:55,872 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:12:56,691 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:12:56,829 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:12:57,650 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:12:58,499 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:12:59,345 WARN L191 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:12:59,474 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:13:00,323 WARN L191 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:13:01,838 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1292 [2019-10-07 14:13:02,687 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:13:02,823 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:13:03,670 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:13:05,253 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:13:06,086 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:13:06,226 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:13:07,081 WARN L191 SmtUtils]: Spent 853.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:13:08,541 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:13:09,393 WARN L191 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:13:09,524 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:13:10,365 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:13:11,753 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:13:12,604 WARN L191 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:13:12,740 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:13:13,574 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:13:15,067 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1296 DAG size of output: 1292 [2019-10-07 14:13:15,911 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:13:16,053 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:13:16,888 WARN L191 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:13:18,424 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:13:19,246 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:13:19,389 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:13:20,227 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:13:21,705 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:13:22,524 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:13:22,660 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:13:23,474 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:13:24,984 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:13:25,810 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:13:25,945 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:13:26,769 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:13:28,294 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:13:29,113 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:13:29,253 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:13:30,067 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:13:30,906 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:13:31,739 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:13:31,871 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:13:32,688 WARN L191 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:13:34,177 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1292 [2019-10-07 14:13:35,029 WARN L191 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:13:35,178 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:13:36,005 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:13:37,489 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1292 [2019-10-07 14:13:38,329 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:13:38,465 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:13:39,289 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:13:39,295 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 1140 for LOIs [2019-10-07 14:13:39,830 WARN L191 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 1140 [2019-10-07 14:13:40,350 WARN L191 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 1140 [2019-10-07 14:13:40,481 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:13:41,300 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:13:41,885 WARN L191 SmtUtils]: Spent 552.00 ms on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:13:42,431 WARN L191 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:13:42,562 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:13:43,377 WARN L191 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:13:44,340 WARN L191 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 1290 DAG size of output: 1150 [2019-10-07 14:13:45,344 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:13:45,478 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:13:46,310 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:13:46,890 WARN L191 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:13:47,445 WARN L191 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:13:47,575 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:13:48,400 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:13:48,956 WARN L191 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:13:49,504 WARN L191 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:13:49,637 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:13:50,463 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:13:51,016 WARN L191 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:13:51,567 WARN L191 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:13:51,699 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:13:52,535 WARN L191 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:13:52,818 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:13:52,819 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee initPersonOnFloor at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee initPersonOnFloor at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 14:13:52,826 INFO L168 Benchmark]: Toolchain (without parser) took 324415.87 ms. Allocated memory was 142.6 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 97.6 MB in the beginning and 2.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 537.9 MB. Max. memory is 7.1 GB. [2019-10-07 14:13:52,827 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 142.6 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 14:13:52,828 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1208.20 ms. Allocated memory was 142.6 MB in the beginning and 200.3 MB in the end (delta: 57.7 MB). Free memory was 97.4 MB in the beginning and 134.9 MB in the end (delta: -37.5 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. [2019-10-07 14:13:52,831 INFO L168 Benchmark]: Boogie Preprocessor took 212.29 ms. Allocated memory is still 200.3 MB. Free memory was 134.9 MB in the beginning and 125.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-10-07 14:13:52,831 INFO L168 Benchmark]: RCFGBuilder took 5679.24 ms. Allocated memory was 200.3 MB in the beginning and 313.0 MB in the end (delta: 112.7 MB). Free memory was 125.2 MB in the beginning and 250.8 MB in the end (delta: -125.6 MB). Peak memory consumption was 170.0 MB. Max. memory is 7.1 GB. [2019-10-07 14:13:52,832 INFO L168 Benchmark]: TraceAbstraction took 317311.36 ms. Allocated memory was 313.0 MB in the beginning and 2.9 GB in the end (delta: 2.5 GB). Free memory was 250.8 MB in the beginning and 2.3 GB in the end (delta: -2.0 GB). Peak memory consumption was 520.6 MB. Max. memory is 7.1 GB. [2019-10-07 14:13:52,833 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 142.6 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1208.20 ms. Allocated memory was 142.6 MB in the beginning and 200.3 MB in the end (delta: 57.7 MB). Free memory was 97.4 MB in the beginning and 134.9 MB in the end (delta: -37.5 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 212.29 ms. Allocated memory is still 200.3 MB. Free memory was 134.9 MB in the beginning and 125.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5679.24 ms. Allocated memory was 200.3 MB in the beginning and 313.0 MB in the end (delta: 112.7 MB). Free memory was 125.2 MB in the beginning and 250.8 MB in the end (delta: -125.6 MB). Peak memory consumption was 170.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 317311.36 ms. Allocated memory was 313.0 MB in the beginning and 2.9 GB in the end (delta: 2.5 GB). Free memory was 250.8 MB in the beginning and 2.3 GB in the end (delta: -2.0 GB). Peak memory consumption was 520.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee initPersonOnFloor de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee initPersonOnFloor: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...