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_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:04:28,660 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:04:28,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:04:28,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:04:28,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:04:28,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:04:28,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:04:28,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:04:28,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:04:28,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:04:28,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:04:28,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:04:28,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:04:28,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:04:28,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:04:28,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:04:28,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:04:28,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:04:28,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:04:28,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:04:28,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:04:28,706 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:04:28,707 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:04:28,708 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:04:28,713 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:04:28,713 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:04:28,714 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:04:28,714 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:04:28,715 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:04:28,716 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:04:28,716 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:04:28,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:04:28,719 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:04:28,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:04:28,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:04:28,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:04:28,722 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:04:28,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:04:28,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:04:28,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:04:28,729 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:04:28,730 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 14:04:28,750 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:04:28,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:04:28,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:04:28,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:04:28,753 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:04:28,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:04:28,754 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:04:28,754 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:04:28,754 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:04:28,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:04:28,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:04:28,756 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:04:28,756 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:04:28,756 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:04:28,756 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:04:28,757 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:04:28,757 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:04:28,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:04:28,757 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:04:28,757 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:04:28,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:04:28,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:04:28,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:04:28,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:04:28,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:04:28,759 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:04:28,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:04:28,759 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:04:28,759 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 14:04:29,101 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:04:29,116 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:04:29,125 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:04:29,126 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:04:29,127 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:04:29,128 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product09.cil.c [2019-10-07 14:04:29,188 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c07adc925/e4dd208abb754c4992946eb6b0247a00/FLAG91653337d [2019-10-07 14:04:29,766 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:04:29,767 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec1_product09.cil.c [2019-10-07 14:04:29,798 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c07adc925/e4dd208abb754c4992946eb6b0247a00/FLAG91653337d [2019-10-07 14:04:30,025 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c07adc925/e4dd208abb754c4992946eb6b0247a00 [2019-10-07 14:04:30,036 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:04:30,038 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:04:30,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:04:30,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:04:30,044 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:04:30,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:04:30" (1/1) ... [2019-10-07 14:04:30,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20190d68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:04:30, skipping insertion in model container [2019-10-07 14:04:30,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:04:30" (1/1) ... [2019-10-07 14:04:30,056 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:04:30,142 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:04:30,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:04:30,876 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:04:30,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:04:31,038 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:04:31,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:04:31 WrapperNode [2019-10-07 14:04:31,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:04:31,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:04:31,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:04:31,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:04:31,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:04:31" (1/1) ... [2019-10-07 14:04:31,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:04:31" (1/1) ... [2019-10-07 14:04:31,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:04:31" (1/1) ... [2019-10-07 14:04:31,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:04:31" (1/1) ... [2019-10-07 14:04:31,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:04:31" (1/1) ... [2019-10-07 14:04:31,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:04:31" (1/1) ... [2019-10-07 14:04:31,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:04:31" (1/1) ... [2019-10-07 14:04:31,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:04:31,232 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:04:31,232 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:04:31,232 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:04:31,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:04:31" (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 14:04:31,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:04:31,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:04:31,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:04:31,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:04:31,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:04:31,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:04:31,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:04:31,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:04:31,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:04:31,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:04:31,313 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:04:31,313 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:04:31,313 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:04:31,314 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:04:31,314 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-07 14:04:31,314 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-07 14:04:31,314 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-07 14:04:31,315 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-07 14:04:31,315 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-07 14:04:31,315 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-07 14:04:31,315 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-07 14:04:31,315 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-07 14:04:31,316 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 14:04:31,316 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-07 14:04:31,316 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-07 14:04:31,316 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-07 14:04:31,317 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 14:04:31,317 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-07 14:04:31,317 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:04:31,317 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 14:04:31,317 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:04:31,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-07 14:04:31,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2019-10-07 14:04:31,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2019-10-07 14:04:31,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2019-10-07 14:04:31,318 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-07 14:04:31,319 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-07 14:04:31,319 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-07 14:04:31,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-07 14:04:31,319 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-07 14:04:31,319 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-07 14:04:31,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-07 14:04:31,320 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-07 14:04:31,320 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-07 14:04:31,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-07 14:04:31,320 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-07 14:04:31,321 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-07 14:04:31,321 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-07 14:04:31,321 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-07 14:04:31,321 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-07 14:04:31,321 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-07 14:04:31,322 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-07 14:04:31,322 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-07 14:04:31,322 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-07 14:04:31,322 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-07 14:04:31,322 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-07 14:04:31,323 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-07 14:04:31,323 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-07 14:04:31,323 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-07 14:04:31,323 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-07 14:04:31,323 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-07 14:04:31,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-07 14:04:31,324 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-07 14:04:31,324 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-07 14:04:31,324 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-07 14:04:31,324 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-07 14:04:31,325 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 14:04:31,325 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-07 14:04:31,325 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-07 14:04:31,325 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:04:31,325 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-07 14:04:31,326 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-07 14:04:31,326 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-07 14:04:31,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:04:31,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:04:31,327 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:04:31,327 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:04:31,327 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:04:31,327 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:04:31,327 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:04:31,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:04:31,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:04:31,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:04:31,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:04:31,328 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:04:31,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:04:31,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:04:31,329 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:04:31,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:04:31,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:04:31,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:04:31,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:04:31,330 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:04:31,330 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:04:31,330 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:04:31,330 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:04:31,331 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:04:31,331 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-07 14:04:31,331 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-07 14:04:31,331 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-07 14:04:31,331 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-07 14:04:31,332 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-07 14:04:31,332 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-07 14:04:31,332 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-07 14:04:31,332 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-07 14:04:31,332 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-07 14:04:31,333 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-07 14:04:31,333 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 14:04:31,333 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-07 14:04:31,333 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-07 14:04:31,333 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-07 14:04:31,333 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 14:04:31,334 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-07 14:04:31,334 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-07 14:04:31,334 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-07 14:04:31,334 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-07 14:04:31,334 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-07 14:04:31,334 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 14:04:31,335 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-07 14:04:31,335 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:04:31,335 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-07 14:04:31,335 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2019-10-07 14:04:31,335 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:04:31,336 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 14:04:31,336 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:04:31,336 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-07 14:04:31,336 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-07 14:04:31,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2019-10-07 14:04:31,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2019-10-07 14:04:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-07 14:04:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-07 14:04:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-07 14:04:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-07 14:04:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-07 14:04:31,338 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-07 14:04:31,338 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-07 14:04:31,338 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-07 14:04:31,338 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-07 14:04:31,338 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-07 14:04:31,339 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:04:31,339 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-07 14:04:31,339 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-07 14:04:31,339 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-07 14:04:31,339 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-07 14:04:31,339 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-07 14:04:31,340 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-07 14:04:31,340 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-07 14:04:31,340 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-07 14:04:31,340 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-07 14:04:31,340 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-07 14:04:31,341 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-07 14:04:31,341 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-07 14:04:31,341 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-07 14:04:31,341 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-07 14:04:31,341 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-07 14:04:31,341 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-07 14:04:31,341 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-07 14:04:31,342 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-07 14:04:31,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:04:31,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:04:31,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:04:36,352 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:04:36,353 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-07 14:04:36,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:04:36 BoogieIcfgContainer [2019-10-07 14:04:36,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:04:36,356 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:04:36,356 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:04:36,359 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:04:36,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:04:30" (1/3) ... [2019-10-07 14:04:36,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@395a4f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:04:36, skipping insertion in model container [2019-10-07 14:04:36,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:04:31" (2/3) ... [2019-10-07 14:04:36,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@395a4f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:04:36, skipping insertion in model container [2019-10-07 14:04:36,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:04:36" (3/3) ... [2019-10-07 14:04:36,362 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product09.cil.c [2019-10-07 14:04:36,372 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:04:36,383 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:04:36,394 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:04:36,425 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:04:36,425 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:04:36,426 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:04:36,426 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:04:36,426 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:04:36,426 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:04:36,426 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:04:36,426 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:04:36,458 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states. [2019-10-07 14:04:36,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-10-07 14:04:36,478 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:04:36,479 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:04:36,482 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:04:36,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:04:36,488 INFO L82 PathProgramCache]: Analyzing trace with hash -3497016, now seen corresponding path program 1 times [2019-10-07 14:04:36,497 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:04:36,497 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:04:36,498 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:04:36,498 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:04:36,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:04:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:04:37,209 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 14:04:37,209 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:04:37,210 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:04:37,210 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-07 14:04:37,214 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 14:04:37,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 14:04:37,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-07 14:04:37,232 INFO L87 Difference]: Start difference. First operand 538 states. Second operand 8 states. [2019-10-07 14:04:37,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:04:37,387 INFO L93 Difference]: Finished difference Result 829 states and 1286 transitions. [2019-10-07 14:04:37,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 14:04:37,389 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 115 [2019-10-07 14:04:37,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:04:37,413 INFO L225 Difference]: With dead ends: 829 [2019-10-07 14:04:37,413 INFO L226 Difference]: Without dead ends: 452 [2019-10-07 14:04:37,422 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-07 14:04:37,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2019-10-07 14:04:37,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 417. [2019-10-07 14:04:37,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2019-10-07 14:04:37,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 624 transitions. [2019-10-07 14:04:37,514 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 624 transitions. Word has length 115 [2019-10-07 14:04:37,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:04:37,515 INFO L462 AbstractCegarLoop]: Abstraction has 417 states and 624 transitions. [2019-10-07 14:04:37,516 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 14:04:37,516 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 624 transitions. [2019-10-07 14:04:37,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-10-07 14:04:37,522 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:04:37,522 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:04:37,522 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:04:37,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:04:37,523 INFO L82 PathProgramCache]: Analyzing trace with hash -1674674738, now seen corresponding path program 1 times [2019-10-07 14:04:37,523 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:04:37,523 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:04:37,523 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:04:37,524 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:04:37,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:04:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:04:37,978 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 14:04:37,979 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:04:37,979 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:04:37,979 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 14:04:37,991 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 14:04:37,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 14:04:37,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 14:04:37,999 INFO L87 Difference]: Start difference. First operand 417 states and 624 transitions. Second operand 7 states. [2019-10-07 14:04:41,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:04:41,798 INFO L93 Difference]: Finished difference Result 1260 states and 1955 transitions. [2019-10-07 14:04:41,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-07 14:04:41,799 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 120 [2019-10-07 14:04:41,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:04:41,808 INFO L225 Difference]: With dead ends: 1260 [2019-10-07 14:04:41,809 INFO L226 Difference]: Without dead ends: 896 [2019-10-07 14:04:41,812 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2019-10-07 14:04:41,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2019-10-07 14:04:41,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 869. [2019-10-07 14:04:41,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2019-10-07 14:04:41,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1350 transitions. [2019-10-07 14:04:41,897 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1350 transitions. Word has length 120 [2019-10-07 14:04:41,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:04:41,898 INFO L462 AbstractCegarLoop]: Abstraction has 869 states and 1350 transitions. [2019-10-07 14:04:41,898 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 14:04:41,898 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1350 transitions. [2019-10-07 14:04:41,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-10-07 14:04:41,902 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:04:41,903 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:04:41,903 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:04:41,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:04:41,903 INFO L82 PathProgramCache]: Analyzing trace with hash -721454288, now seen corresponding path program 1 times [2019-10-07 14:04:41,904 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:04:41,904 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:04:41,904 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:04:41,904 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:04:41,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:04:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:04:42,118 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 14:04:42,119 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:04:42,120 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:04:42,120 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 14:04:42,122 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 14:04:42,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 14:04:42,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 14:04:42,123 INFO L87 Difference]: Start difference. First operand 869 states and 1350 transitions. Second operand 5 states. [2019-10-07 14:04:42,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:04:42,201 INFO L93 Difference]: Finished difference Result 1370 states and 2143 transitions. [2019-10-07 14:04:42,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 14:04:42,202 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2019-10-07 14:04:42,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:04:42,215 INFO L225 Difference]: With dead ends: 1370 [2019-10-07 14:04:42,215 INFO L226 Difference]: Without dead ends: 891 [2019-10-07 14:04:42,218 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 14:04:42,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2019-10-07 14:04:42,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 881. [2019-10-07 14:04:42,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 881 states. [2019-10-07 14:04:42,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1365 transitions. [2019-10-07 14:04:42,312 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1365 transitions. Word has length 124 [2019-10-07 14:04:42,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:04:42,313 INFO L462 AbstractCegarLoop]: Abstraction has 881 states and 1365 transitions. [2019-10-07 14:04:42,313 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 14:04:42,313 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1365 transitions. [2019-10-07 14:04:42,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-10-07 14:04:42,319 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:04:42,320 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:04:42,320 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:04:42,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:04:42,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1564514424, now seen corresponding path program 1 times [2019-10-07 14:04:42,321 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:04:42,321 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:04:42,321 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:04:42,322 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:04:42,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:04:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:04:42,683 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 14:04:42,684 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:04:42,684 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:04:42,684 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-07 14:04:42,685 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 14:04:42,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 14:04:42,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-07 14:04:42,686 INFO L87 Difference]: Start difference. First operand 881 states and 1365 transitions. Second operand 8 states. [2019-10-07 14:04:46,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:04:46,169 INFO L93 Difference]: Finished difference Result 1856 states and 2884 transitions. [2019-10-07 14:04:46,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 14:04:46,169 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 128 [2019-10-07 14:04:46,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:04:46,179 INFO L225 Difference]: With dead ends: 1856 [2019-10-07 14:04:46,179 INFO L226 Difference]: Without dead ends: 1269 [2019-10-07 14:04:46,185 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-10-07 14:04:46,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1269 states. [2019-10-07 14:04:46,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1269 to 1219. [2019-10-07 14:04:46,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1219 states. [2019-10-07 14:04:46,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1849 transitions. [2019-10-07 14:04:46,276 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1849 transitions. Word has length 128 [2019-10-07 14:04:46,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:04:46,276 INFO L462 AbstractCegarLoop]: Abstraction has 1219 states and 1849 transitions. [2019-10-07 14:04:46,277 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 14:04:46,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1849 transitions. [2019-10-07 14:04:46,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-10-07 14:04:46,283 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:04:46,284 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:04:46,285 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:04:46,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:04:46,286 INFO L82 PathProgramCache]: Analyzing trace with hash 38619959, now seen corresponding path program 1 times [2019-10-07 14:04:46,286 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:04:46,286 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:04:46,287 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:04:46,287 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:04:46,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:04:46,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:04:46,641 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 14:04:46,642 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:04:46,642 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:04:46,642 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 14:04:46,643 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 14:04:46,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 14:04:46,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 14:04:46,643 INFO L87 Difference]: Start difference. First operand 1219 states and 1849 transitions. Second operand 7 states. [2019-10-07 14:04:46,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:04:46,868 INFO L93 Difference]: Finished difference Result 2288 states and 3556 transitions. [2019-10-07 14:04:46,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 14:04:46,869 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 131 [2019-10-07 14:04:46,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:04:46,878 INFO L225 Difference]: With dead ends: 2288 [2019-10-07 14:04:46,878 INFO L226 Difference]: Without dead ends: 1219 [2019-10-07 14:04:46,883 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-10-07 14:04:46,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2019-10-07 14:04:46,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 1219. [2019-10-07 14:04:46,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1219 states. [2019-10-07 14:04:46,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1817 transitions. [2019-10-07 14:04:46,950 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1817 transitions. Word has length 131 [2019-10-07 14:04:46,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:04:46,950 INFO L462 AbstractCegarLoop]: Abstraction has 1219 states and 1817 transitions. [2019-10-07 14:04:46,950 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 14:04:46,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1817 transitions. [2019-10-07 14:04:46,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-07 14:04:46,953 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:04:46,954 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 14:04:46,954 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:04:46,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:04:46,954 INFO L82 PathProgramCache]: Analyzing trace with hash -987124071, now seen corresponding path program 1 times [2019-10-07 14:04:46,955 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:04:46,955 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:04:46,955 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:04:46,955 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:04:46,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:04:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:04:47,152 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:04:47,152 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:04:47,152 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:04:47,153 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 14:04:47,153 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 14:04:47,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 14:04:47,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 14:04:47,154 INFO L87 Difference]: Start difference. First operand 1219 states and 1817 transitions. Second operand 7 states. [2019-10-07 14:04:50,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:04:50,310 INFO L93 Difference]: Finished difference Result 2157 states and 3226 transitions. [2019-10-07 14:04:50,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-07 14:04:50,311 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 133 [2019-10-07 14:04:50,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:04:50,322 INFO L225 Difference]: With dead ends: 2157 [2019-10-07 14:04:50,323 INFO L226 Difference]: Without dead ends: 1289 [2019-10-07 14:04:50,327 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2019-10-07 14:04:50,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1289 states. [2019-10-07 14:04:50,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1289 to 1246. [2019-10-07 14:04:50,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1246 states. [2019-10-07 14:04:50,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 1246 states and 1851 transitions. [2019-10-07 14:04:50,388 INFO L78 Accepts]: Start accepts. Automaton has 1246 states and 1851 transitions. Word has length 133 [2019-10-07 14:04:50,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:04:50,388 INFO L462 AbstractCegarLoop]: Abstraction has 1246 states and 1851 transitions. [2019-10-07 14:04:50,388 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 14:04:50,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 1851 transitions. [2019-10-07 14:04:50,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-10-07 14:04:50,391 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:04:50,392 INFO L385 BasicCegarLoop]: trace histogram [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 14:04:50,392 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:04:50,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:04:50,392 INFO L82 PathProgramCache]: Analyzing trace with hash 663475440, now seen corresponding path program 1 times [2019-10-07 14:04:50,393 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:04:50,393 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:04:50,393 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:04:50,393 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:04:50,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:04:50,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:04:51,125 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-07 14:04:51,126 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:04:51,126 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:04:51,126 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 14:04:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:04:51,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 3182 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-07 14:04:51,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:04:51,940 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 14:04:51,940 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:04:52,401 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 14:04:52,401 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 14:04:52,402 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 6] imperfect sequences [26] total 33 [2019-10-07 14:04:52,403 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 14:04:52,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 14:04:52,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=933, Unknown=0, NotChecked=0, Total=1056 [2019-10-07 14:04:52,404 INFO L87 Difference]: Start difference. First operand 1246 states and 1851 transitions. Second operand 9 states. [2019-10-07 14:04:53,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:04:53,642 INFO L93 Difference]: Finished difference Result 1320 states and 1965 transitions. [2019-10-07 14:04:53,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 14:04:53,643 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 137 [2019-10-07 14:04:53,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:04:53,653 INFO L225 Difference]: With dead ends: 1320 [2019-10-07 14:04:53,653 INFO L226 Difference]: Without dead ends: 1303 [2019-10-07 14:04:53,656 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 285 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=137, Invalid=1053, Unknown=0, NotChecked=0, Total=1190 [2019-10-07 14:04:53,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1303 states. [2019-10-07 14:04:53,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1303 to 1273. [2019-10-07 14:04:53,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1273 states. [2019-10-07 14:04:53,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 1273 states and 1890 transitions. [2019-10-07 14:04:53,851 INFO L78 Accepts]: Start accepts. Automaton has 1273 states and 1890 transitions. Word has length 137 [2019-10-07 14:04:53,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:04:53,852 INFO L462 AbstractCegarLoop]: Abstraction has 1273 states and 1890 transitions. [2019-10-07 14:04:53,852 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 14:04:53,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1273 states and 1890 transitions. [2019-10-07 14:04:53,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-10-07 14:04:53,855 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:04:53,855 INFO L385 BasicCegarLoop]: trace histogram [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 14:04:54,073 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:04:54,073 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:04:54,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:04:54,074 INFO L82 PathProgramCache]: Analyzing trace with hash -638145850, now seen corresponding path program 1 times [2019-10-07 14:04:54,074 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:04:54,074 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:04:54,075 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:04:54,075 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:04:54,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:04:54,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:04:54,342 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 14:04:54,343 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:04:54,343 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:04:54,343 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-07 14:04:54,344 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 14:04:54,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 14:04:54,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-07 14:04:54,344 INFO L87 Difference]: Start difference. First operand 1273 states and 1890 transitions. Second operand 8 states. [2019-10-07 14:04:54,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:04:54,436 INFO L93 Difference]: Finished difference Result 1290 states and 1910 transitions. [2019-10-07 14:04:54,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-07 14:04:54,437 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2019-10-07 14:04:54,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:04:54,447 INFO L225 Difference]: With dead ends: 1290 [2019-10-07 14:04:54,447 INFO L226 Difference]: Without dead ends: 1273 [2019-10-07 14:04:54,449 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-07 14:04:54,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1273 states. [2019-10-07 14:04:54,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1273 to 1273. [2019-10-07 14:04:54,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1273 states. [2019-10-07 14:04:54,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 1273 states and 1885 transitions. [2019-10-07 14:04:54,521 INFO L78 Accepts]: Start accepts. Automaton has 1273 states and 1885 transitions. Word has length 142 [2019-10-07 14:04:54,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:04:54,522 INFO L462 AbstractCegarLoop]: Abstraction has 1273 states and 1885 transitions. [2019-10-07 14:04:54,523 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 14:04:54,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1273 states and 1885 transitions. [2019-10-07 14:04:54,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-07 14:04:54,528 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:04:54,529 INFO L385 BasicCegarLoop]: trace histogram [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 14:04:54,529 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:04:54,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:04:54,530 INFO L82 PathProgramCache]: Analyzing trace with hash -500682761, now seen corresponding path program 1 times [2019-10-07 14:04:54,531 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:04:54,531 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:04:54,531 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:04:54,531 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:04:54,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:04:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:04:55,217 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-07 14:04:55,219 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:04:55,219 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:04:55,219 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 14:04:55,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:04:55,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 3265 conjuncts, 19 conjunts are in the unsatisfiable core [2019-10-07 14:04:55,814 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:04:55,945 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:04:55,995 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-07 14:04:55,995 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:04:56,697 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:04:56,781 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-07 14:04:56,781 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 14:04:56,782 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [26, 7] total 34 [2019-10-07 14:04:56,782 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 14:04:56,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 14:04:56,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=994, Unknown=0, NotChecked=0, Total=1122 [2019-10-07 14:04:56,783 INFO L87 Difference]: Start difference. First operand 1273 states and 1885 transitions. Second operand 6 states. [2019-10-07 14:04:57,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:04:57,606 INFO L93 Difference]: Finished difference Result 2381 states and 3543 transitions. [2019-10-07 14:04:57,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-07 14:04:57,606 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160 [2019-10-07 14:04:57,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:04:57,616 INFO L225 Difference]: With dead ends: 2381 [2019-10-07 14:04:57,616 INFO L226 Difference]: Without dead ends: 1427 [2019-10-07 14:04:57,623 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 331 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 386 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=159, Invalid=1173, Unknown=0, NotChecked=0, Total=1332 [2019-10-07 14:04:57,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1427 states. [2019-10-07 14:04:57,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1427 to 1387. [2019-10-07 14:04:57,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1387 states. [2019-10-07 14:04:57,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1387 states and 2040 transitions. [2019-10-07 14:04:57,688 INFO L78 Accepts]: Start accepts. Automaton has 1387 states and 2040 transitions. Word has length 160 [2019-10-07 14:04:57,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:04:57,689 INFO L462 AbstractCegarLoop]: Abstraction has 1387 states and 2040 transitions. [2019-10-07 14:04:57,689 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 14:04:57,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 2040 transitions. [2019-10-07 14:04:57,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-07 14:04:57,693 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:04:57,693 INFO L385 BasicCegarLoop]: trace histogram [3, 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 14:04:57,908 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:04:57,909 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:04:57,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:04:57,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1967245946, now seen corresponding path program 1 times [2019-10-07 14:04:57,910 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:04:57,910 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:04:57,911 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:04:57,911 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:04:57,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:04:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:04:58,465 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-07 14:04:58,465 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:04:58,465 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:04:58,466 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 14:04:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:04:59,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 3240 conjuncts, 21 conjunts are in the unsatisfiable core [2019-10-07 14:04:59,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:04:59,289 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:04:59,289 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:04:59,572 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:04:59,856 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:04:59,857 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 14:04:59,857 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [26] total 33 [2019-10-07 14:04:59,860 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 14:04:59,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 14:04:59,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=942, Unknown=0, NotChecked=0, Total=1056 [2019-10-07 14:04:59,861 INFO L87 Difference]: Start difference. First operand 1387 states and 2040 transitions. Second operand 9 states. [2019-10-07 14:04:59,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:04:59,952 INFO L93 Difference]: Finished difference Result 1428 states and 2091 transitions. [2019-10-07 14:04:59,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 14:04:59,953 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2019-10-07 14:04:59,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:04:59,961 INFO L225 Difference]: With dead ends: 1428 [2019-10-07 14:04:59,961 INFO L226 Difference]: Without dead ends: 1411 [2019-10-07 14:04:59,963 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=118, Invalid=1004, Unknown=0, NotChecked=0, Total=1122 [2019-10-07 14:04:59,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1411 states. [2019-10-07 14:05:00,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1411 to 1409. [2019-10-07 14:05:00,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1409 states. [2019-10-07 14:05:00,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 1409 states and 2064 transitions. [2019-10-07 14:05:00,045 INFO L78 Accepts]: Start accepts. Automaton has 1409 states and 2064 transitions. Word has length 157 [2019-10-07 14:05:00,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:05:00,046 INFO L462 AbstractCegarLoop]: Abstraction has 1409 states and 2064 transitions. [2019-10-07 14:05:00,047 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 14:05:00,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 2064 transitions. [2019-10-07 14:05:00,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2019-10-07 14:05:00,053 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:05:00,053 INFO L385 BasicCegarLoop]: trace histogram [7, 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] [2019-10-07 14:05:00,266 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:05:00,267 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:05:00,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:05:00,267 INFO L82 PathProgramCache]: Analyzing trace with hash 766147687, now seen corresponding path program 1 times [2019-10-07 14:05:00,267 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:05:00,268 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:05:00,268 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:05:00,268 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:05:00,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:05:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:05:00,511 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-10-07 14:05:00,511 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:05:00,512 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:05:00,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:05:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:05:01,236 INFO L256 TraceCheckSpWp]: Trace formula consists of 3304 conjuncts, 21 conjunts are in the unsatisfiable core [2019-10-07 14:05:01,244 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:05:01,522 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 35 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:05:01,522 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:05:01,703 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2019-10-07 14:05:01,995 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:05:02,400 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:05:02,827 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:05:03,225 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:05:03,630 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:05:04,031 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:05:04,486 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:05:04,943 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:05:05,345 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:05:05,747 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:05:05,794 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:05,795 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:05,796 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:05,797 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:05,797 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:05,908 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-10-07 14:05:05,909 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:05:05,949 INFO L162 IcfgInterpreter]: Started Sifa with 155 locations of interest [2019-10-07 14:05:05,950 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:05:05,959 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:05:05,968 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:05:05,969 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:05:54,075 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 758 [2019-10-07 14:05:59,116 WARN L191 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 405 DAG size of output: 327 [2019-10-07 14:05:59,683 WARN L191 SmtUtils]: Spent 559.00 ms on a formula simplification that was a NOOP. DAG size: 844 [2019-10-07 14:06:00,218 WARN L191 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 844 [2019-10-07 14:06:00,552 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 844 [2019-10-07 14:06:00,686 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 280 [2019-10-07 14:06:01,331 WARN L191 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 1028 [2019-10-07 14:06:01,905 WARN L191 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 1028 [2019-10-07 14:06:02,373 WARN L191 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 1028 [2019-10-07 14:06:02,946 WARN L191 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 1028 [2019-10-07 14:06:04,124 WARN L191 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 1030 DAG size of output: 1028 [2019-10-07 14:06:04,640 WARN L191 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 1028 [2019-10-07 14:06:05,152 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 1028 [2019-10-07 14:06:05,607 WARN L191 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 1028 [2019-10-07 14:06:06,140 WARN L191 SmtUtils]: Spent 530.00 ms on a formula simplification that was a NOOP. DAG size: 1028 [2019-10-07 14:06:06,649 WARN L191 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 1028 [2019-10-07 14:06:06,670 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 382 for LOIs [2019-10-07 14:06:07,026 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 727 [2019-10-07 14:06:07,270 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 727 [2019-10-07 14:06:07,761 WARN L191 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 911 [2019-10-07 14:06:07,762 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1078 for LOIs [2019-10-07 14:06:08,212 WARN L191 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 1078 [2019-10-07 14:06:08,669 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 1078 [2019-10-07 14:06:08,789 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:06:09,579 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:06:10,033 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 1078 [2019-10-07 14:06:10,474 WARN L191 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 1078 [2019-10-07 14:06:10,608 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:06:11,411 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:06:11,893 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 1078 [2019-10-07 14:06:12,385 WARN L191 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 1078 [2019-10-07 14:06:12,640 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:06:13,415 WARN L191 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:06:14,254 WARN L191 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 1246 DAG size of output: 1078 [2019-10-07 14:06:14,736 WARN L191 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 1078 [2019-10-07 14:06:14,939 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:06:15,682 WARN L191 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:06:16,137 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 1078 [2019-10-07 14:06:16,623 WARN L191 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 1078 [2019-10-07 14:06:16,739 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:06:17,482 WARN L191 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:06:17,924 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 1078 [2019-10-07 14:06:18,431 WARN L191 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 1078 [2019-10-07 14:06:18,555 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:06:19,309 WARN L191 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:06:19,756 WARN L191 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 1078 [2019-10-07 14:06:20,203 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 1078 [2019-10-07 14:06:20,820 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:06:21,578 WARN L191 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:06:22,015 WARN L191 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 1078 [2019-10-07 14:06:22,459 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 1078 [2019-10-07 14:06:22,575 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:06:23,342 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:06:23,786 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 1078 [2019-10-07 14:06:24,234 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 1078 [2019-10-07 14:06:24,351 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:06:25,087 WARN L191 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:06:25,520 WARN L191 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 1078 [2019-10-07 14:06:25,962 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 1078 [2019-10-07 14:06:26,081 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:06:26,844 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:06:27,294 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 1078 [2019-10-07 14:06:27,792 WARN L191 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 1078 [2019-10-07 14:06:27,906 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:06:28,659 WARN L191 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:06:29,102 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 1078 [2019-10-07 14:06:29,539 WARN L191 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 1078 [2019-10-07 14:06:29,654 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:06:30,389 WARN L191 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:06:30,830 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 1078 [2019-10-07 14:06:31,280 WARN L191 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 1078 [2019-10-07 14:06:31,399 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:06:32,149 WARN L191 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:06:33,358 WARN L191 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:06:34,096 WARN L191 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:06:34,218 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:06:34,955 WARN L191 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:06:36,326 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1246 DAG size of output: 1244 [2019-10-07 14:06:37,104 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:06:37,228 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:06:37,992 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:06:38,736 WARN L191 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:06:39,480 WARN L191 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:06:39,593 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:06:40,345 WARN L191 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:06:41,933 WARN L191 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:42,682 WARN L191 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:42,802 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:06:43,548 WARN L191 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:44,588 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:45,330 WARN L191 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:45,456 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:06:46,215 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:46,977 WARN L191 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:47,732 WARN L191 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:47,849 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:06:48,584 WARN L191 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:49,330 WARN L191 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 1246 [2019-10-07 14:06:50,063 WARN L191 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 1246 [2019-10-07 14:06:50,182 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:06:50,924 WARN L191 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:51,660 WARN L191 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:52,402 WARN L191 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:52,528 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:06:53,268 WARN L191 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-10-07 14:06:54,041 WARN L191 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:54,792 WARN L191 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:54,910 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:06:55,656 WARN L191 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-10-07 14:06:56,911 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 1252 DAG size of output: 1248 [2019-10-07 14:06:57,677 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:57,801 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:06:58,541 WARN L191 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-10-07 14:06:59,281 WARN L191 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:00,031 WARN L191 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:00,159 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:07:00,903 WARN L191 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-10-07 14:07:02,312 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1246 DAG size of output: 1244 [2019-10-07 14:07:03,047 WARN L191 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:07:03,186 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:07:03,921 WARN L191 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:07:05,231 WARN L191 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 1246 DAG size of output: 1244 [2019-10-07 14:07:05,970 WARN L191 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:07:06,089 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:07:06,823 WARN L191 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:07:07,576 WARN L191 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:07:08,324 WARN L191 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:07:08,440 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:07:09,176 WARN L191 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:07:10,455 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1250 DAG size of output: 1246 [2019-10-07 14:07:11,202 WARN L191 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 1246 [2019-10-07 14:07:11,325 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:07:12,065 WARN L191 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:13,418 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1250 DAG size of output: 1248 [2019-10-07 14:07:14,160 WARN L191 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:14,282 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:07:15,049 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:16,373 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1250 DAG size of output: 1246 [2019-10-07 14:07:17,113 WARN L191 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 1246 [2019-10-07 14:07:17,229 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:07:17,993 WARN L191 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:19,348 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1255 DAG size of output: 1248 [2019-10-07 14:07:20,108 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:20,253 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:07:21,008 WARN L191 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:22,284 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1257 DAG size of output: 1250 [2019-10-07 14:07:23,061 WARN L191 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-10-07 14:07:23,187 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:07:23,940 WARN L191 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-10-07 14:07:25,300 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1246 DAG size of output: 1244 [2019-10-07 14:07:26,050 WARN L191 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:07:26,174 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:07:26,920 WARN L191 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:07:28,480 WARN L191 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 1246 DAG size of output: 1244 [2019-10-07 14:07:29,226 WARN L191 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:07:29,349 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:07:30,086 WARN L191 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:07:30,835 WARN L191 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:07:31,606 WARN L191 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:07:31,721 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:07:32,459 WARN L191 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:07:33,814 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1246 DAG size of output: 1244 [2019-10-07 14:07:34,594 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:07:34,715 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:07:35,458 WARN L191 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:07:36,782 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1246 DAG size of output: 1244 [2019-10-07 14:07:37,524 WARN L191 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:07:37,644 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:07:38,390 WARN L191 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:07:39,129 WARN L191 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:07:39,874 WARN L191 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:07:39,989 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:07:40,725 WARN L191 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:07:41,516 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:42,264 WARN L191 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:42,389 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:07:43,126 WARN L191 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:44,385 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1250 DAG size of output: 1246 [2019-10-07 14:07:45,126 WARN L191 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 1246 [2019-10-07 14:07:45,246 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:07:45,989 WARN L191 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:47,228 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 1250 DAG size of output: 1246 [2019-10-07 14:07:47,970 WARN L191 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 1246 [2019-10-07 14:07:48,085 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:07:48,841 WARN L191 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:50,177 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1255 DAG size of output: 1248 [2019-10-07 14:07:50,927 WARN L191 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:51,050 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:07:51,794 WARN L191 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:53,042 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 1257 DAG size of output: 1250 [2019-10-07 14:07:53,795 WARN L191 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-10-07 14:07:53,915 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:07:54,661 WARN L191 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-10-07 14:07:55,994 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1246 DAG size of output: 1244 [2019-10-07 14:07:56,729 WARN L191 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:07:56,989 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:07:57,784 WARN L191 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:07:59,128 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1246 DAG size of output: 1244 [2019-10-07 14:07:59,878 WARN L191 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:07:59,999 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:08:00,739 WARN L191 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:08:02,112 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1246 DAG size of output: 1244 [2019-10-07 14:08:02,853 WARN L191 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:08:02,988 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:08:03,738 WARN L191 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:08:05,067 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1246 DAG size of output: 1244 [2019-10-07 14:08:05,804 WARN L191 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:08:05,939 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:08:06,675 WARN L191 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:08:07,412 WARN L191 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:08:08,152 WARN L191 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:08:08,267 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:08:09,003 WARN L191 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:08:10,283 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1250 DAG size of output: 1246 [2019-10-07 14:08:11,027 WARN L191 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 1246 [2019-10-07 14:08:11,149 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:08:11,896 WARN L191 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:13,156 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1250 DAG size of output: 1246 [2019-10-07 14:08:13,897 WARN L191 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 1246 [2019-10-07 14:08:14,032 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:08:14,784 WARN L191 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:16,129 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1246 DAG size of output: 1244 [2019-10-07 14:08:16,867 WARN L191 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:08:16,987 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:08:17,729 WARN L191 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:08:19,100 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1246 DAG size of output: 1244 [2019-10-07 14:08:19,840 WARN L191 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:08:19,960 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:08:20,699 WARN L191 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:08:21,448 WARN L191 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:08:22,202 WARN L191 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:08:22,316 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:08:23,062 WARN L191 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:08:24,335 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 1250 DAG size of output: 1246 [2019-10-07 14:08:25,063 WARN L191 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 1246 [2019-10-07 14:08:25,187 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:08:25,933 WARN L191 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:27,276 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1250 DAG size of output: 1248 [2019-10-07 14:08:28,041 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:28,161 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:08:28,900 WARN L191 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:30,235 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1250 DAG size of output: 1246 [2019-10-07 14:08:30,981 WARN L191 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 1246 [2019-10-07 14:08:31,096 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:08:31,841 WARN L191 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:33,225 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1255 DAG size of output: 1248 [2019-10-07 14:08:33,979 WARN L191 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:34,100 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:08:34,871 WARN L191 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:36,218 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1246 DAG size of output: 1244 [2019-10-07 14:08:36,964 WARN L191 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:08:37,083 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:08:37,831 WARN L191 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:08:39,163 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1246 DAG size of output: 1244 [2019-10-07 14:08:39,912 WARN L191 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:08:40,034 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:08:40,773 WARN L191 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:08:41,512 WARN L191 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:08:42,252 WARN L191 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:08:42,369 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:08:43,109 WARN L191 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:08:43,879 WARN L191 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:44,632 WARN L191 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:44,764 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:08:45,526 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:47,019 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1250 DAG size of output: 1248 [2019-10-07 14:08:47,775 WARN L191 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:47,898 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:08:48,660 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:50,026 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1250 DAG size of output: 1248 [2019-10-07 14:08:50,781 WARN L191 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:50,898 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:08:51,650 WARN L191 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:53,002 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1255 DAG size of output: 1248 [2019-10-07 14:08:53,764 WARN L191 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:53,892 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:08:54,651 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:55,919 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 1257 DAG size of output: 1250 [2019-10-07 14:08:56,800 WARN L191 SmtUtils]: Spent 878.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-10-07 14:08:56,921 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:08:57,680 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-10-07 14:08:58,966 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 1257 DAG size of output: 1250 [2019-10-07 14:08:59,724 WARN L191 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-10-07 14:08:59,845 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:09:00,611 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-10-07 14:09:01,904 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1257 DAG size of output: 1250 [2019-10-07 14:09:02,672 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-10-07 14:09:02,794 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-10-07 14:09:03,548 WARN L191 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-10-07 14:09:03,554 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 1102 for LOIs [2019-10-07 14:09:04,034 WARN L191 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 1102 [2019-10-07 14:09:04,520 WARN L191 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 1102 [2019-10-07 14:09:04,639 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:09:05,396 WARN L191 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:09:05,936 WARN L191 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:09:06,440 WARN L191 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:09:06,567 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:09:07,315 WARN L191 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:09:08,202 WARN L191 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 1246 DAG size of output: 1112 [2019-10-07 14:09:08,701 WARN L191 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:09:08,821 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:09:09,569 WARN L191 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:09:10,082 WARN L191 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:09:10,597 WARN L191 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:09:10,712 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:09:11,467 WARN L191 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:09:11,970 WARN L191 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:09:12,471 WARN L191 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:09:12,589 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:09:13,333 WARN L191 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:09:13,837 WARN L191 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:09:14,332 WARN L191 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:09:14,449 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:09:15,196 WARN L191 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 1244 [2019-10-07 14:09:15,461 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:09:15,463 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 14:09:15,468 INFO L168 Benchmark]: Toolchain (without parser) took 285430.69 ms. Allocated memory was 145.8 MB in the beginning and 2.8 GB in the end (delta: 2.7 GB). Free memory was 99.2 MB in the beginning and 2.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 460.8 MB. Max. memory is 7.1 GB. [2019-10-07 14:09:15,468 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 145.8 MB. Free memory is still 120.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 14:09:15,469 INFO L168 Benchmark]: CACSL2BoogieTranslator took 999.39 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 99.2 MB in the beginning and 143.1 MB in the end (delta: -43.9 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2019-10-07 14:09:15,469 INFO L168 Benchmark]: Boogie Preprocessor took 191.54 ms. Allocated memory is still 202.4 MB. Free memory was 143.1 MB in the beginning and 134.1 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-10-07 14:09:15,469 INFO L168 Benchmark]: RCFGBuilder took 5122.28 ms. Allocated memory was 202.4 MB in the beginning and 298.3 MB in the end (delta: 95.9 MB). Free memory was 134.1 MB in the beginning and 213.2 MB in the end (delta: -79.1 MB). Peak memory consumption was 153.0 MB. Max. memory is 7.1 GB. [2019-10-07 14:09:15,470 INFO L168 Benchmark]: TraceAbstraction took 279111.24 ms. Allocated memory was 298.3 MB in the beginning and 2.8 GB in the end (delta: 2.5 GB). Free memory was 213.2 MB in the beginning and 2.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 422.2 MB. Max. memory is 7.1 GB. [2019-10-07 14:09:15,471 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 145.8 MB. Free memory is still 120.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 999.39 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 99.2 MB in the beginning and 143.1 MB in the end (delta: -43.9 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 191.54 ms. Allocated memory is still 202.4 MB. Free memory was 143.1 MB in the beginning and 134.1 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5122.28 ms. Allocated memory was 202.4 MB in the beginning and 298.3 MB in the end (delta: 95.9 MB). Free memory was 134.1 MB in the beginning and 213.2 MB in the end (delta: -79.1 MB). Peak memory consumption was 153.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 279111.24 ms. Allocated memory was 298.3 MB in the beginning and 2.8 GB in the end (delta: 2.5 GB). Free memory was 213.2 MB in the beginning and 2.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 422.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee initPersonOnFloor de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee initPersonOnFloor: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...