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_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:06:46,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:06:46,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:06:46,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:06:46,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:06:46,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:06:46,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:06:46,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:06:46,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:06:46,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:06:46,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:06:46,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:06:46,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:06:46,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:06:46,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:06:46,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:06:46,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:06:46,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:06:46,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:06:46,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:06:46,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:06:46,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:06:46,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:06:46,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:06:46,860 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:06:46,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:06:46,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:06:46,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:06:46,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:06:46,866 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:06:46,867 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:06:46,868 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:06:46,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:06:46,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:06:46,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:06:46,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:06:46,875 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:06:46,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:06:46,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:06:46,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:06:46,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:06:46,880 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 14:06:46,901 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:06:46,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:06:46,903 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:06:46,904 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:06:46,904 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:06:46,904 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:06:46,904 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:06:46,904 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:06:46,905 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:06:46,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:06:46,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:06:46,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:06:46,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:06:46,907 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:06:46,907 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:06:46,907 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:06:46,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:06:46,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:06:46,908 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:06:46,908 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:06:46,908 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:06:46,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:06:46,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:06:46,909 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:06:46,909 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:06:46,909 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:06:46,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:06:46,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:06:46,910 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 14:06:47,194 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:06:47,207 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:06:47,211 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:06:47,212 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:06:47,213 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:06:47,213 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product20.cil.c [2019-10-07 14:06:47,275 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbf2e30a2/3218b159452e4448b287c4c110d3d933/FLAGe0bd5af94 [2019-10-07 14:06:47,918 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:06:47,919 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec1_product20.cil.c [2019-10-07 14:06:47,939 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbf2e30a2/3218b159452e4448b287c4c110d3d933/FLAGe0bd5af94 [2019-10-07 14:06:48,142 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbf2e30a2/3218b159452e4448b287c4c110d3d933 [2019-10-07 14:06:48,153 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:06:48,154 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:06:48,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:06:48,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:06:48,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:06:48,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:06:48" (1/1) ... [2019-10-07 14:06:48,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c8f2a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:06:48, skipping insertion in model container [2019-10-07 14:06:48,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:06:48" (1/1) ... [2019-10-07 14:06:48,172 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:06:48,281 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:06:49,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:06:49,138 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:06:49,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:06:49,364 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:06:49,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:06:49 WrapperNode [2019-10-07 14:06:49,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:06:49,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:06:49,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:06:49,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:06:49,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:06:49" (1/1) ... [2019-10-07 14:06:49,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:06:49" (1/1) ... [2019-10-07 14:06:49,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:06:49" (1/1) ... [2019-10-07 14:06:49,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:06:49" (1/1) ... [2019-10-07 14:06:49,490 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:06:49" (1/1) ... [2019-10-07 14:06:49,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:06:49" (1/1) ... [2019-10-07 14:06:49,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:06:49" (1/1) ... [2019-10-07 14:06:49,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:06:49,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:06:49,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:06:49,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:06:49,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:06:49" (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 14:06:49,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:06:49,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:06:49,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:06:49,616 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-07 14:06:49,617 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-07 14:06:49,617 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-07 14:06:49,617 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-07 14:06:49,617 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-07 14:06:49,618 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-07 14:06:49,618 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-07 14:06:49,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-07 14:06:49,618 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-07 14:06:49,618 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-07 14:06:49,619 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-07 14:06:49,619 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-07 14:06:49,619 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-07 14:06:49,619 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-07 14:06:49,620 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-07 14:06:49,620 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-07 14:06:49,620 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2019-10-07 14:06:49,620 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-07 14:06:49,621 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-07 14:06:49,621 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-07 14:06:49,621 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-07 14:06:49,621 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-07 14:06:49,622 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-07 14:06:49,622 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-07 14:06:49,622 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2019-10-07 14:06:49,622 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 14:06:49,622 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2019-10-07 14:06:49,623 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-07 14:06:49,623 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-07 14:06:49,623 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-07 14:06:49,623 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-07 14:06:49,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:06:49,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:06:49,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:06:49,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:06:49,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:06:49,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:06:49,625 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:06:49,625 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:06:49,625 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:06:49,625 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:06:49,625 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:06:49,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:06:49,626 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-07 14:06:49,626 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-07 14:06:49,626 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-07 14:06:49,626 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-07 14:06:49,626 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-07 14:06:49,627 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-07 14:06:49,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-07 14:06:49,627 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-07 14:06:49,627 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-07 14:06:49,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-07 14:06:49,628 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-07 14:06:49,628 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-07 14:06:49,628 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-07 14:06:49,628 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-07 14:06:49,629 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-07 14:06:49,629 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-07 14:06:49,629 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-07 14:06:49,629 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-07 14:06:49,629 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 14:06:49,630 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-07 14:06:49,630 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-07 14:06:49,630 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-07 14:06:49,630 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 14:06:49,630 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-07 14:06:49,630 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:06:49,631 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 14:06:49,631 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:06:49,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-07 14:06:49,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2019-10-07 14:06:49,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2019-10-07 14:06:49,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2019-10-07 14:06:49,632 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-07 14:06:49,632 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-07 14:06:49,632 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-07 14:06:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:06:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:06:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:06:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-07 14:06:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-07 14:06:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-07 14:06:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-07 14:06:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-07 14:06:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-07 14:06:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-07 14:06:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-07 14:06:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-07 14:06:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 14:06:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-07 14:06:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-07 14:06:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-07 14:06:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-07 14:06:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-07 14:06:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-07 14:06:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-07 14:06:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-07 14:06:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-07 14:06:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-07 14:06:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-07 14:06:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-07 14:06:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-07 14:06:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-07 14:06:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-07 14:06:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-07 14:06:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-07 14:06:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-07 14:06:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-07 14:06:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2019-10-07 14:06:49,639 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-07 14:06:49,639 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-07 14:06:49,639 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-07 14:06:49,639 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-07 14:06:49,639 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-07 14:06:49,639 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-07 14:06:49,640 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2019-10-07 14:06:49,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2019-10-07 14:06:49,640 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2019-10-07 14:06:49,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:06:49,640 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-07 14:06:49,641 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:06:49,641 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:06:49,641 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:06:49,641 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:06:49,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:06:49,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:06:49,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:06:49,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:06:49,642 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:06:49,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:06:49,642 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:06:49,642 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:06:49,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:06:49,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:06:49,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:06:49,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:06:49,643 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-07 14:06:49,643 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-07 14:06:49,644 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 14:06:49,644 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:06:49,644 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:06:49,644 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:06:49,644 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:06:49,644 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:06:49,644 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:06:49,645 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-07 14:06:49,645 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-07 14:06:49,645 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-07 14:06:49,645 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-07 14:06:49,645 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-07 14:06:49,645 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2019-10-07 14:06:49,646 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-07 14:06:49,646 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-07 14:06:49,646 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-07 14:06:49,646 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-07 14:06:49,646 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-07 14:06:49,646 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-07 14:06:49,646 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-07 14:06:49,647 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-07 14:06:49,647 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-07 14:06:49,647 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-07 14:06:49,647 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 14:06:49,647 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-07 14:06:49,647 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:06:49,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-07 14:06:49,648 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2019-10-07 14:06:49,648 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 14:06:49,648 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:06:49,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:06:49,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:06:49,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:06:54,491 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:06:54,491 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-07 14:06:54,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:06:54 BoogieIcfgContainer [2019-10-07 14:06:54,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:06:54,495 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:06:54,495 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:06:54,498 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:06:54,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:06:48" (1/3) ... [2019-10-07 14:06:54,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e521e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:06:54, skipping insertion in model container [2019-10-07 14:06:54,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:06:49" (2/3) ... [2019-10-07 14:06:54,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e521e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:06:54, skipping insertion in model container [2019-10-07 14:06:54,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:06:54" (3/3) ... [2019-10-07 14:06:54,502 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product20.cil.c [2019-10-07 14:06:54,513 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:06:54,524 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:06:54,535 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:06:54,570 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:06:54,570 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:06:54,570 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:06:54,570 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:06:54,570 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:06:54,571 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:06:54,571 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:06:54,571 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:06:54,613 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states. [2019-10-07 14:06:54,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-10-07 14:06:54,629 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:06:54,630 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 14:06:54,632 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:06:54,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:06:54,638 INFO L82 PathProgramCache]: Analyzing trace with hash -482573627, now seen corresponding path program 1 times [2019-10-07 14:06:54,648 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:06:54,648 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:06:54,648 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:06:54,649 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:06:54,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:06:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:06:55,469 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 14:06:55,470 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:06:55,471 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:06:55,471 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 14:06:55,476 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 14:06:55,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 14:06:55,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-07 14:06:55,494 INFO L87 Difference]: Start difference. First operand 585 states. Second operand 6 states. [2019-10-07 14:06:59,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:06:59,013 INFO L93 Difference]: Finished difference Result 1390 states and 2150 transitions. [2019-10-07 14:06:59,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 14:06:59,016 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 97 [2019-10-07 14:06:59,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:06:59,046 INFO L225 Difference]: With dead ends: 1390 [2019-10-07 14:06:59,046 INFO L226 Difference]: Without dead ends: 964 [2019-10-07 14:06:59,057 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 14:06:59,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2019-10-07 14:06:59,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 875. [2019-10-07 14:06:59,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 875 states. [2019-10-07 14:06:59,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1346 transitions. [2019-10-07 14:06:59,219 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1346 transitions. Word has length 97 [2019-10-07 14:06:59,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:06:59,220 INFO L462 AbstractCegarLoop]: Abstraction has 875 states and 1346 transitions. [2019-10-07 14:06:59,220 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 14:06:59,220 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1346 transitions. [2019-10-07 14:06:59,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-07 14:06:59,241 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:06:59,241 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 14:06:59,241 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:06:59,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:06:59,243 INFO L82 PathProgramCache]: Analyzing trace with hash -1422196509, now seen corresponding path program 1 times [2019-10-07 14:06:59,243 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:06:59,243 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:06:59,243 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:06:59,243 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:06:59,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:06:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:06:59,714 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 14:06:59,715 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:06:59,715 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:06:59,715 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 14:06:59,731 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 14:06:59,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 14:06:59,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-07 14:06:59,732 INFO L87 Difference]: Start difference. First operand 875 states and 1346 transitions. Second operand 6 states. [2019-10-07 14:07:00,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:07:00,371 INFO L93 Difference]: Finished difference Result 914 states and 1402 transitions. [2019-10-07 14:07:00,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 14:07:00,371 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 146 [2019-10-07 14:07:00,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:07:00,382 INFO L225 Difference]: With dead ends: 914 [2019-10-07 14:07:00,382 INFO L226 Difference]: Without dead ends: 897 [2019-10-07 14:07:00,384 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 14:07:00,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2019-10-07 14:07:00,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 879. [2019-10-07 14:07:00,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 879 states. [2019-10-07 14:07:00,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1350 transitions. [2019-10-07 14:07:00,477 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1350 transitions. Word has length 146 [2019-10-07 14:07:00,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:07:00,478 INFO L462 AbstractCegarLoop]: Abstraction has 879 states and 1350 transitions. [2019-10-07 14:07:00,487 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 14:07:00,487 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1350 transitions. [2019-10-07 14:07:00,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-07 14:07:00,499 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:07:00,500 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 14:07:00,500 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:07:00,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:07:00,501 INFO L82 PathProgramCache]: Analyzing trace with hash 482572223, now seen corresponding path program 1 times [2019-10-07 14:07:00,501 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:07:00,501 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:07:00,501 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:07:00,501 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:07:00,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:07:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:07:00,781 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 14:07:00,781 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:07:00,782 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:07:00,782 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-07 14:07:00,783 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-07 14:07:00,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-07 14:07:00,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2019-10-07 14:07:00,784 INFO L87 Difference]: Start difference. First operand 879 states and 1350 transitions. Second operand 12 states. [2019-10-07 14:07:08,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:07:08,940 INFO L93 Difference]: Finished difference Result 2653 states and 4096 transitions. [2019-10-07 14:07:08,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-10-07 14:07:08,941 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 150 [2019-10-07 14:07:08,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:07:08,956 INFO L225 Difference]: With dead ends: 2653 [2019-10-07 14:07:08,956 INFO L226 Difference]: Without dead ends: 1827 [2019-10-07 14:07:08,964 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=156, Invalid=836, Unknown=0, NotChecked=0, Total=992 [2019-10-07 14:07:09,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1827 states. [2019-10-07 14:07:09,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1827 to 1768. [2019-10-07 14:07:09,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1768 states. [2019-10-07 14:07:09,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1768 states to 1768 states and 2706 transitions. [2019-10-07 14:07:09,228 INFO L78 Accepts]: Start accepts. Automaton has 1768 states and 2706 transitions. Word has length 150 [2019-10-07 14:07:09,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:07:09,230 INFO L462 AbstractCegarLoop]: Abstraction has 1768 states and 2706 transitions. [2019-10-07 14:07:09,230 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-07 14:07:09,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1768 states and 2706 transitions. [2019-10-07 14:07:09,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-10-07 14:07:09,237 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:07:09,237 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] [2019-10-07 14:07:09,238 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:07:09,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:07:09,238 INFO L82 PathProgramCache]: Analyzing trace with hash 215831978, now seen corresponding path program 1 times [2019-10-07 14:07:09,238 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:07:09,238 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:07:09,239 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:07:09,239 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:07:09,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:07:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:07:09,508 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 14:07:09,508 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:07:09,508 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:07:09,508 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-07 14:07:09,509 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 14:07:09,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 14:07:09,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-07 14:07:09,510 INFO L87 Difference]: Start difference. First operand 1768 states and 2706 transitions. Second operand 9 states. [2019-10-07 14:07:10,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:07:10,238 INFO L93 Difference]: Finished difference Result 1881 states and 2855 transitions. [2019-10-07 14:07:10,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-07 14:07:10,239 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 151 [2019-10-07 14:07:10,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:07:10,254 INFO L225 Difference]: With dead ends: 1881 [2019-10-07 14:07:10,254 INFO L226 Difference]: Without dead ends: 1864 [2019-10-07 14:07:10,256 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 14:07:10,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1864 states. [2019-10-07 14:07:10,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1864 to 1815. [2019-10-07 14:07:10,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1815 states. [2019-10-07 14:07:10,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1815 states and 2767 transitions. [2019-10-07 14:07:10,371 INFO L78 Accepts]: Start accepts. Automaton has 1815 states and 2767 transitions. Word has length 151 [2019-10-07 14:07:10,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:07:10,374 INFO L462 AbstractCegarLoop]: Abstraction has 1815 states and 2767 transitions. [2019-10-07 14:07:10,374 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 14:07:10,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2767 transitions. [2019-10-07 14:07:10,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-07 14:07:10,379 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:07:10,380 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] [2019-10-07 14:07:10,380 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:07:10,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:07:10,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1389201064, now seen corresponding path program 1 times [2019-10-07 14:07:10,381 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:07:10,381 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:07:10,381 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:07:10,381 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:07:10,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:07:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:07:11,908 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:07:11,909 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:07:11,909 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:07:11,909 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 14:07:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:07:12,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 3542 conjuncts, 33 conjunts are in the unsatisfiable core [2019-10-07 14:07:12,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:07:12,835 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 14:07:12,835 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:07:13,704 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 14:07:13,705 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 14:07:13,705 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [32] total 39 [2019-10-07 14:07:13,706 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 14:07:13,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 14:07:13,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1372, Unknown=0, NotChecked=0, Total=1482 [2019-10-07 14:07:13,709 INFO L87 Difference]: Start difference. First operand 1815 states and 2767 transitions. Second operand 9 states. [2019-10-07 14:07:17,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:07:17,942 INFO L93 Difference]: Finished difference Result 4500 states and 6909 transitions. [2019-10-07 14:07:17,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-07 14:07:17,943 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 166 [2019-10-07 14:07:17,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:07:17,963 INFO L225 Difference]: With dead ends: 4500 [2019-10-07 14:07:17,963 INFO L226 Difference]: Without dead ends: 2744 [2019-10-07 14:07:17,973 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 344 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=144, Invalid=1748, Unknown=0, NotChecked=0, Total=1892 [2019-10-07 14:07:17,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2744 states. [2019-10-07 14:07:18,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2744 to 2703. [2019-10-07 14:07:18,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2703 states. [2019-10-07 14:07:18,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2703 states to 2703 states and 4140 transitions. [2019-10-07 14:07:18,146 INFO L78 Accepts]: Start accepts. Automaton has 2703 states and 4140 transitions. Word has length 166 [2019-10-07 14:07:18,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:07:18,148 INFO L462 AbstractCegarLoop]: Abstraction has 2703 states and 4140 transitions. [2019-10-07 14:07:18,148 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 14:07:18,148 INFO L276 IsEmpty]: Start isEmpty. Operand 2703 states and 4140 transitions. [2019-10-07 14:07:18,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-10-07 14:07:18,154 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:07:18,155 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 14:07:18,375 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:07:18,376 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:07:18,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:07:18,376 INFO L82 PathProgramCache]: Analyzing trace with hash -73532161, now seen corresponding path program 1 times [2019-10-07 14:07:18,376 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:07:18,376 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:07:18,377 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:07:18,377 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:07:18,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:07:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:07:19,749 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:07:19,749 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:07:19,750 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:07:19,751 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 14:07:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:07:20,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 3559 conjuncts, 21 conjunts are in the unsatisfiable core [2019-10-07 14:07:20,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:07:20,558 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 14:07:20,558 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:07:20,848 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:21,138 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 14:07:21,139 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 14:07:21,139 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [32] total 39 [2019-10-07 14:07:21,140 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 14:07:21,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 14:07:21,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1366, Unknown=0, NotChecked=0, Total=1482 [2019-10-07 14:07:21,141 INFO L87 Difference]: Start difference. First operand 2703 states and 4140 transitions. Second operand 9 states. [2019-10-07 14:07:21,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:07:21,294 INFO L93 Difference]: Finished difference Result 2794 states and 4252 transitions. [2019-10-07 14:07:21,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 14:07:21,294 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 170 [2019-10-07 14:07:21,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:07:21,317 INFO L225 Difference]: With dead ends: 2794 [2019-10-07 14:07:21,317 INFO L226 Difference]: Without dead ends: 2777 [2019-10-07 14:07:21,321 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=120, Invalid=1440, Unknown=0, NotChecked=0, Total=1560 [2019-10-07 14:07:21,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2777 states. [2019-10-07 14:07:21,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2777 to 2757. [2019-10-07 14:07:21,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2757 states. [2019-10-07 14:07:21,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2757 states to 2757 states and 4194 transitions. [2019-10-07 14:07:21,497 INFO L78 Accepts]: Start accepts. Automaton has 2757 states and 4194 transitions. Word has length 170 [2019-10-07 14:07:21,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:07:21,498 INFO L462 AbstractCegarLoop]: Abstraction has 2757 states and 4194 transitions. [2019-10-07 14:07:21,498 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 14:07:21,499 INFO L276 IsEmpty]: Start isEmpty. Operand 2757 states and 4194 transitions. [2019-10-07 14:07:21,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-10-07 14:07:21,506 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:07:21,506 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 14:07:21,718 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:07:21,719 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:07:21,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:07:21,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1193295496, now seen corresponding path program 1 times [2019-10-07 14:07:21,720 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:07:21,720 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:07:21,720 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:07:21,720 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:07:21,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:07:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:07:22,268 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 14:07:22,268 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:07:22,268 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:07:22,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:07:22,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:07:22,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 3623 conjuncts, 41 conjunts are in the unsatisfiable core [2019-10-07 14:07:22,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:07:23,657 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 14:07:23,657 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:07:24,158 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:07:24,593 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-10-07 14:07:25,480 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:07:25,924 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2019-10-07 14:07:26,230 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:26,230 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:26,231 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:26,231 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:26,232 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:26,232 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:26,233 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:26,233 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:26,234 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:26,235 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:26,235 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:26,236 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:26,236 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:26,237 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:26,238 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:26,786 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:07:27,958 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:07:28,355 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2019-10-07 14:07:28,497 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:28,498 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:28,499 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:28,499 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:28,500 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:28,501 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:28,501 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:28,502 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:28,503 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:28,504 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:28,504 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:28,505 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:28,506 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:28,506 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:28,507 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:29,041 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:07:29,322 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-07 14:07:29,323 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:29,325 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:29,416 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:29,804 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:07:30,405 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:07:30,919 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:07:31,737 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:31,738 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:31,739 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:31,740 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:31,741 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:31,742 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:31,742 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:31,743 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:31,744 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:31,744 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:31,745 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:31,745 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:31,746 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:31,747 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:31,747 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:31,748 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:31,748 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:32,255 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:07:32,908 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:32,909 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:32,910 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:32,910 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:32,911 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:32,911 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:32,912 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:32,912 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:32,913 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:32,913 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:32,914 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:32,914 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:32,915 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:32,915 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:32,916 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:32,916 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:32,917 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:32,918 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:33,394 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:07:33,882 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:33,883 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:33,884 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:33,884 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:33,885 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:33,885 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:33,886 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:33,887 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:33,887 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:33,888 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:33,889 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:33,889 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:33,890 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:33,890 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:33,891 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:33,891 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:33,892 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:33,892 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:33,893 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:33,894 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:33,894 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:33,895 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:33,895 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:34,438 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:07:34,683 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:34,684 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:34,685 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:34,685 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:34,686 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:07:34,687 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:34,687 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:34,688 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:07:34,689 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:34,690 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:34,690 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:34,691 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:34,691 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:07:34,692 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:34,692 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:07:34,693 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:34,694 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:34,694 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:07:34,695 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:34,696 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:07:34,696 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:34,697 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:34,698 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:34,698 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:07:34,699 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:34,700 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:34,700 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:07:34,701 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:34,701 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:34,702 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:34,702 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:34,703 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:07:34,703 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:07:34,704 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:34,705 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:07:34,705 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:34,706 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:34,706 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:07:35,211 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:07:35,259 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:35,260 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:35,261 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:35,261 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:07:35,262 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:35,262 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:35,263 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:35,264 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:07:35,264 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:35,265 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:35,266 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:35,267 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:35,267 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:35,268 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:07:35,268 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:35,269 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:35,270 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:35,271 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:35,271 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:07:35,272 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:35,272 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:35,273 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:35,334 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:35,334 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:35,334 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:35,335 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:35,335 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:07:35,456 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 14:07:35,456 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:07:35,502 INFO L162 IcfgInterpreter]: Started Sifa with 162 locations of interest [2019-10-07 14:07:35,503 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:07:35,512 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:07:35,524 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:07:35,525 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:08:32,353 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 777 [2019-10-07 14:08:37,593 WARN L191 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 430 DAG size of output: 347 [2019-10-07 14:08:38,025 WARN L191 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 870 [2019-10-07 14:08:38,287 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 870 [2019-10-07 14:08:38,511 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 870 [2019-10-07 14:08:39,164 WARN L191 SmtUtils]: Spent 584.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:08:39,700 WARN L191 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:08:40,261 WARN L191 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:08:40,839 WARN L191 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:08:41,945 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1066 DAG size of output: 1064 [2019-10-07 14:08:42,470 WARN L191 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:08:43,100 WARN L191 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:08:43,591 WARN L191 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:08:44,097 WARN L191 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:08:44,725 WARN L191 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:08:44,754 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 400 for LOIs [2019-10-07 14:08:45,031 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 745 [2019-10-07 14:08:45,149 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 745 [2019-10-07 14:08:45,521 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 939 [2019-10-07 14:08:45,522 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1112 for LOIs [2019-10-07 14:08:46,057 WARN L191 SmtUtils]: Spent 534.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:08:46,534 WARN L191 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:08:46,721 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:08:47,537 WARN L191 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:08:48,094 WARN L191 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:08:48,574 WARN L191 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:08:48,853 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:08:49,736 WARN L191 SmtUtils]: Spent 881.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:08:50,238 WARN L191 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:08:50,711 WARN L191 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:08:50,842 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:08:51,706 WARN L191 SmtUtils]: Spent 862.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:08:52,590 WARN L191 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 1290 DAG size of output: 1112 [2019-10-07 14:08:53,074 WARN L191 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:08:53,773 WARN L191 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:08:54,592 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:08:55,099 WARN L191 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:08:55,576 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:08:55,732 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:08:56,549 WARN L191 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:08:57,026 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:08:57,503 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:08:57,639 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:08:58,450 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:08:58,929 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:08:59,420 WARN L191 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:08:59,553 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:09:00,405 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:09:00,887 WARN L191 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:09:01,373 WARN L191 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:09:01,507 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:09:02,330 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:09:02,809 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:09:03,283 WARN L191 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:09:03,447 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:09:04,269 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:09:04,768 WARN L191 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:09:05,263 WARN L191 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:09:05,392 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:09:06,214 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:09:06,698 WARN L191 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:09:07,184 WARN L191 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:09:07,319 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:09:08,144 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:09:08,631 WARN L191 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:09:09,136 WARN L191 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:09:09,268 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:09:10,095 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:09:10,582 WARN L191 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:09:11,064 WARN L191 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:09:11,199 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:09:12,028 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:09:13,562 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:09:14,390 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:09:14,527 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:09:15,368 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:09:17,188 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:09:18,017 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:09:18,169 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:09:18,995 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:09:19,832 WARN L191 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:09:20,676 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:09:20,806 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:09:21,634 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:09:22,512 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:09:23,346 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:09:23,481 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:09:24,303 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:09:25,722 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:09:26,541 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:09:26,678 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:09:27,498 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:09:28,320 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:09:29,147 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:09:29,279 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:09:30,114 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:09:30,950 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:09:31,778 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:09:31,916 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:09:32,752 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:09:33,577 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:09:34,414 WARN L191 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:09:34,547 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:09:35,388 WARN L191 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:09:36,286 WARN L191 SmtUtils]: Spent 866.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:09:37,106 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:09:37,248 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:09:38,079 WARN L191 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:09:39,476 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1296 DAG size of output: 1292 [2019-10-07 14:09:40,300 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:09:40,438 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:09:41,277 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:09:42,101 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:09:42,932 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:09:43,065 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:09:43,893 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:09:45,399 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:09:46,242 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:09:46,404 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:09:47,226 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:09:48,713 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:09:49,539 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:09:49,672 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:09:50,489 WARN L191 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:09:51,332 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:09:52,154 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:09:52,285 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:09:53,096 WARN L191 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:09:54,612 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1292 [2019-10-07 14:09:55,436 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:09:55,572 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:09:56,412 WARN L191 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:09:57,562 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:09:58,395 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:09:58,537 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:09:59,365 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:10:00,874 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1292 [2019-10-07 14:10:01,731 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:10:01,865 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:10:02,708 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:10:04,198 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1299 DAG size of output: 1292 [2019-10-07 14:10:05,034 WARN L191 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:10:05,225 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:10:06,048 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:10:07,485 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1301 DAG size of output: 1294 [2019-10-07 14:10:08,312 WARN L191 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:10:08,452 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:10:09,287 WARN L191 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:10:10,810 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:10:11,632 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:11,779 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:10:12,604 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:14,092 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:10:14,909 WARN L191 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:15,044 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:10:15,864 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:16,702 WARN L191 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:17,523 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:17,652 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:10:18,469 WARN L191 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:19,977 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:10:20,795 WARN L191 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:20,930 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:10:21,748 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:23,233 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:10:24,049 WARN L191 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:24,194 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:10:25,014 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:25,830 WARN L191 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:26,645 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:26,775 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:10:27,619 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:29,054 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:10:29,880 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:10:30,031 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:10:30,868 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:10:31,712 WARN L191 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:10:32,545 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:10:32,685 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:10:33,509 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:10:34,895 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:10:35,720 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:10:35,854 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:10:36,677 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:10:38,164 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1299 DAG size of output: 1292 [2019-10-07 14:10:38,997 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:10:39,136 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:10:39,958 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:10:41,366 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1301 DAG size of output: 1294 [2019-10-07 14:10:42,197 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:10:42,494 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:10:43,393 WARN L191 SmtUtils]: Spent 896.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:10:44,810 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1301 DAG size of output: 1294 [2019-10-07 14:10:45,658 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:10:45,796 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:10:46,624 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:10:48,054 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1301 DAG size of output: 1294 [2019-10-07 14:10:48,884 WARN L191 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:10:49,020 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:10:49,845 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:10:51,353 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:10:52,171 WARN L191 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:52,320 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:10:53,139 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:54,634 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:10:55,456 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:55,589 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:10:56,412 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:57,929 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:10:58,771 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:10:58,927 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:10:59,752 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:01,229 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:11:02,055 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:02,193 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:11:03,030 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:03,856 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:04,668 WARN L191 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:04,798 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:11:05,619 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:07,071 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:11:07,899 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:11:08,041 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:11:08,869 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:09,704 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:10,533 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:10,670 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:11:11,497 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:12,879 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:11:13,735 WARN L191 SmtUtils]: Spent 851.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:11:13,867 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:11:14,694 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:16,181 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1299 DAG size of output: 1292 [2019-10-07 14:11:17,010 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:17,145 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:11:17,971 WARN L191 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:19,463 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1301 DAG size of output: 1294 [2019-10-07 14:11:20,307 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:11:20,441 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:11:21,274 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2019-10-07 14:11:22,998 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:11:23,827 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:23,962 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:11:24,783 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:26,260 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:11:27,076 WARN L191 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:27,213 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:11:28,035 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:28,861 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:29,681 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:29,810 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:11:30,629 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:31,488 WARN L191 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:32,309 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:32,445 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:11:33,281 WARN L191 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:34,683 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:11:35,503 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:11:35,644 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:11:36,479 WARN L191 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:37,963 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:11:38,789 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:38,922 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:11:39,749 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:41,225 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:11:42,047 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:42,185 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:11:43,008 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:43,830 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:44,659 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:44,788 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:11:45,605 WARN L191 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:11:47,107 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1292 [2019-10-07 14:11:47,937 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:48,073 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:11:48,893 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:50,399 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1292 [2019-10-07 14:11:51,220 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:51,365 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:11:52,191 WARN L191 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:53,684 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1292 [2019-10-07 14:11:54,517 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:54,651 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:11:55,498 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:56,887 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:11:57,718 WARN L191 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:11:57,854 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:11:58,686 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:11:58,693 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 1140 for LOIs [2019-10-07 14:11:59,226 WARN L191 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 1140 [2019-10-07 14:11:59,756 WARN L191 SmtUtils]: Spent 528.00 ms on a formula simplification that was a NOOP. DAG size: 1140 [2019-10-07 14:11:59,888 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:12:00,703 WARN L191 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:12:01,279 WARN L191 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:12:01,824 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:12:01,965 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:12:02,797 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:12:03,745 WARN L191 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 1290 DAG size of output: 1150 [2019-10-07 14:12:04,305 WARN L191 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:12:04,449 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:12:05,279 WARN L191 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:12:05,842 WARN L191 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:12:06,393 WARN L191 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:12:06,525 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:12:07,331 WARN L191 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:12:07,873 WARN L191 SmtUtils]: Spent 539.00 ms on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:12:08,418 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:12:08,547 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:12:09,369 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:12:09,930 WARN L191 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:12:10,475 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 1150 [2019-10-07 14:12:10,604 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:12:11,436 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:12:11,720 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:12:11,722 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 14:12:11,728 INFO L168 Benchmark]: Toolchain (without parser) took 323573.96 ms. Allocated memory was 140.5 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 98.7 MB in the beginning and 502.2 MB in the end (delta: -403.5 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2019-10-07 14:12:11,728 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 14:12:11,729 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1210.79 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 98.5 MB in the beginning and 143.5 MB in the end (delta: -45.0 MB). Peak memory consumption was 31.2 MB. Max. memory is 7.1 GB. [2019-10-07 14:12:11,729 INFO L168 Benchmark]: Boogie Preprocessor took 177.73 ms. Allocated memory is still 204.5 MB. Free memory was 143.5 MB in the beginning and 132.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2019-10-07 14:12:11,729 INFO L168 Benchmark]: RCFGBuilder took 4949.15 ms. Allocated memory was 204.5 MB in the beginning and 306.2 MB in the end (delta: 101.7 MB). Free memory was 132.7 MB in the beginning and 216.0 MB in the end (delta: -83.3 MB). Peak memory consumption was 157.8 MB. Max. memory is 7.1 GB. [2019-10-07 14:12:11,730 INFO L168 Benchmark]: TraceAbstraction took 317231.57 ms. Allocated memory was 306.2 MB in the beginning and 2.7 GB in the end (delta: 2.4 GB). Free memory was 216.0 MB in the beginning and 502.2 MB in the end (delta: -286.3 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2019-10-07 14:12:11,731 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1210.79 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 98.5 MB in the beginning and 143.5 MB in the end (delta: -45.0 MB). Peak memory consumption was 31.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 177.73 ms. Allocated memory is still 204.5 MB. Free memory was 143.5 MB in the beginning and 132.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4949.15 ms. Allocated memory was 204.5 MB in the beginning and 306.2 MB in the end (delta: 101.7 MB). Free memory was 132.7 MB in the beginning and 216.0 MB in the end (delta: -83.3 MB). Peak memory consumption was 157.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 317231.57 ms. Allocated memory was 306.2 MB in the beginning and 2.7 GB in the end (delta: 2.4 GB). Free memory was 216.0 MB in the beginning and 502.2 MB in the end (delta: -286.3 MB). Peak memory consumption was 2.1 GB. 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...