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_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:05:04,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:05:04,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:05:04,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:05:04,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:05:04,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:05:04,513 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:05:04,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:05:04,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:05:04,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:05:04,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:05:04,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:05:04,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:05:04,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:05:04,530 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:05:04,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:05:04,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:05:04,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:05:04,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:05:04,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:05:04,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:05:04,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:05:04,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:05:04,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:05:04,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:05:04,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:05:04,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:05:04,543 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:05:04,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:05:04,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:05:04,545 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:05:04,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:05:04,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:05:04,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:05:04,548 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:05:04,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:05:04,548 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:05:04,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:05:04,549 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:05:04,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:05:04,551 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:05:04,551 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 14:05:04,565 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:05:04,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:05:04,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:05:04,567 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:05:04,567 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:05:04,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:05:04,568 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:05:04,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:05:04,568 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:05:04,568 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:05:04,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:05:04,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:05:04,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:05:04,569 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:05:04,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:05:04,570 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:05:04,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:05:04,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:05:04,570 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:05:04,570 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:05:04,571 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:05:04,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:05:04,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:05:04,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:05:04,572 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:05:04,572 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:05:04,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:05:04,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:05:04,572 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 14:05:04,862 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:05:04,884 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:05:04,888 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:05:04,889 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:05:04,890 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:05:04,891 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product11.cil.c [2019-10-07 14:05:04,956 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3509307ee/2e8bb9ac24eb4ef483cf0b8eef0eb678/FLAG68497c033 [2019-10-07 14:05:05,601 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:05:05,602 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec1_product11.cil.c [2019-10-07 14:05:05,643 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3509307ee/2e8bb9ac24eb4ef483cf0b8eef0eb678/FLAG68497c033 [2019-10-07 14:05:05,801 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3509307ee/2e8bb9ac24eb4ef483cf0b8eef0eb678 [2019-10-07 14:05:05,813 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:05:05,814 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:05:05,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:05:05,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:05:05,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:05:05,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:05:05" (1/1) ... [2019-10-07 14:05:05,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2322f431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:05:05, skipping insertion in model container [2019-10-07 14:05:05,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:05:05" (1/1) ... [2019-10-07 14:05:05,829 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:05:05,891 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:05:06,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:05:06,693 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:05:06,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:05:06,888 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:05:06,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:05:06 WrapperNode [2019-10-07 14:05:06,889 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:05:06,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:05:06,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:05:06,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:05:06,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:05:06" (1/1) ... [2019-10-07 14:05:06,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:05:06" (1/1) ... [2019-10-07 14:05:06,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:05:06" (1/1) ... [2019-10-07 14:05:06,982 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:05:06" (1/1) ... [2019-10-07 14:05:07,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:05:06" (1/1) ... [2019-10-07 14:05:07,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:05:06" (1/1) ... [2019-10-07 14:05:07,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:05:06" (1/1) ... [2019-10-07 14:05:07,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:05:07,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:05:07,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:05:07,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:05:07,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:05:06" (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 14:05:07,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:05:07,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:05:07,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:05:07,209 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-07 14:05:07,209 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-07 14:05:07,209 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-07 14:05:07,210 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:05:07,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-07 14:05:07,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2019-10-07 14:05:07,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2019-10-07 14:05:07,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2019-10-07 14:05:07,211 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-07 14:05:07,211 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-07 14:05:07,211 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-07 14:05:07,211 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-07 14:05:07,212 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-07 14:05:07,212 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-07 14:05:07,212 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-07 14:05:07,212 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-07 14:05:07,213 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-07 14:05:07,213 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-07 14:05:07,213 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-07 14:05:07,214 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-07 14:05:07,214 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-07 14:05:07,214 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-07 14:05:07,214 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-07 14:05:07,214 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-07 14:05:07,214 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-07 14:05:07,215 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-07 14:05:07,215 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-07 14:05:07,215 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-07 14:05:07,215 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-07 14:05:07,215 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-07 14:05:07,216 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-07 14:05:07,216 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 14:05:07,216 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-07 14:05:07,216 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-07 14:05:07,216 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-07 14:05:07,217 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-07 14:05:07,217 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:05:07,217 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:05:07,217 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:05:07,217 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:05:07,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:05:07,218 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-07 14:05:07,218 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-07 14:05:07,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:05:07,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:05:07,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:05:07,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:05:07,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:05:07,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:05:07,219 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-07 14:05:07,219 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-07 14:05:07,219 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-07 14:05:07,220 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-07 14:05:07,220 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-07 14:05:07,220 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-07 14:05:07,220 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-07 14:05:07,221 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-07 14:05:07,221 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 14:05:07,221 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-07 14:05:07,221 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-07 14:05:07,221 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-07 14:05:07,222 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 14:05:07,222 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-07 14:05:07,222 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:05:07,222 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 14:05:07,222 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:05:07,222 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-07 14:05:07,223 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-07 14:05:07,223 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-07 14:05:07,223 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-07 14:05:07,223 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-07 14:05:07,223 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-07 14:05:07,224 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-07 14:05:07,224 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-07 14:05:07,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:05:07,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:05:07,224 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-07 14:05:07,225 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-07 14:05:07,225 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-07 14:05:07,225 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-07 14:05:07,225 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-07 14:05:07,225 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 14:05:07,226 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:05:07,226 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:05:07,226 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-07 14:05:07,226 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-07 14:05:07,226 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-07 14:05:07,227 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2019-10-07 14:05:07,227 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2019-10-07 14:05:07,227 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2019-10-07 14:05:07,227 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:05:07,227 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-07 14:05:07,227 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-07 14:05:07,228 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-07 14:05:07,228 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-07 14:05:07,228 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-07 14:05:07,228 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-07 14:05:07,228 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-07 14:05:07,228 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 14:05:07,229 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-07 14:05:07,229 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-07 14:05:07,229 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-07 14:05:07,229 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-07 14:05:07,229 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-07 14:05:07,230 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-07 14:05:07,230 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-07 14:05:07,230 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-07 14:05:07,230 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-07 14:05:07,230 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-07 14:05:07,230 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-07 14:05:07,231 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-07 14:05:07,231 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-07 14:05:07,231 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-07 14:05:07,231 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-07 14:05:07,231 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-07 14:05:07,231 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-07 14:05:07,232 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-07 14:05:07,232 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-07 14:05:07,232 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-07 14:05:07,232 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-07 14:05:07,232 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-07 14:05:07,233 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-07 14:05:07,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:05:07,233 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-07 14:05:07,233 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:05:07,233 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:05:07,233 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:05:07,234 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:05:07,234 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-07 14:05:07,234 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-07 14:05:07,234 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-07 14:05:07,235 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:05:07,235 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:05:07,235 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:05:07,235 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:05:07,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:05:07,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:05:07,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:05:07,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:05:07,236 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:05:07,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:05:07,236 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:05:07,237 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:05:07,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:05:07,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:05:07,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:05:07,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:05:07,238 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-07 14:05:07,238 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-07 14:05:07,238 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-07 14:05:07,238 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-07 14:05:07,238 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-07 14:05:07,238 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-07 14:05:07,239 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-07 14:05:07,239 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-07 14:05:07,239 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-07 14:05:07,239 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-07 14:05:07,239 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 14:05:07,239 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-07 14:05:07,240 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:05:07,240 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 14:05:07,240 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:05:07,240 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-07 14:05:07,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:05:07,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:05:07,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:05:11,791 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:05:11,791 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-07 14:05:11,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:05:11 BoogieIcfgContainer [2019-10-07 14:05:11,793 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:05:11,794 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:05:11,794 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:05:11,797 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:05:11,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:05:05" (1/3) ... [2019-10-07 14:05:11,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bef6fc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:05:11, skipping insertion in model container [2019-10-07 14:05:11,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:05:06" (2/3) ... [2019-10-07 14:05:11,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bef6fc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:05:11, skipping insertion in model container [2019-10-07 14:05:11,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:05:11" (3/3) ... [2019-10-07 14:05:11,801 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product11.cil.c [2019-10-07 14:05:11,811 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:05:11,820 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:05:11,831 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:05:11,863 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:05:11,864 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:05:11,864 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:05:11,864 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:05:11,864 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:05:11,864 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:05:11,865 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:05:11,865 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:05:11,898 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states. [2019-10-07 14:05:11,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-07 14:05:11,921 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:05:11,923 INFO L385 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:05:11,925 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:05:11,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:05:11,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1182461957, now seen corresponding path program 1 times [2019-10-07 14:05:11,940 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:05:11,940 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:05:11,941 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:05:11,941 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:05:11,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:05:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:05:12,714 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 14:05:12,714 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:05:12,715 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:05:12,715 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:05:12,720 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:05:12,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:05:12,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:05:12,736 INFO L87 Difference]: Start difference. First operand 565 states. Second operand 2 states. [2019-10-07 14:05:12,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:05:12,810 INFO L93 Difference]: Finished difference Result 474 states and 706 transitions. [2019-10-07 14:05:12,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:05:12,812 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 135 [2019-10-07 14:05:12,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:05:12,854 INFO L225 Difference]: With dead ends: 474 [2019-10-07 14:05:12,854 INFO L226 Difference]: Without dead ends: 440 [2019-10-07 14:05:12,861 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:05:12,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2019-10-07 14:05:12,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2019-10-07 14:05:12,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 440 states. [2019-10-07 14:05:12,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 655 transitions. [2019-10-07 14:05:12,967 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 655 transitions. Word has length 135 [2019-10-07 14:05:12,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:05:12,970 INFO L462 AbstractCegarLoop]: Abstraction has 440 states and 655 transitions. [2019-10-07 14:05:12,970 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:05:12,970 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 655 transitions. [2019-10-07 14:05:12,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-07 14:05:12,980 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:05:12,980 INFO L385 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:05:12,981 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:05:12,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:05:12,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1045736166, now seen corresponding path program 1 times [2019-10-07 14:05:12,982 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:05:12,982 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:05:12,982 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:05:12,984 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:05:12,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:05:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:05:13,458 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 14:05:13,459 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:05:13,459 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:05:13,459 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 14:05:13,467 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 14:05:13,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 14:05:13,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 14:05:13,468 INFO L87 Difference]: Start difference. First operand 440 states and 655 transitions. Second operand 7 states. [2019-10-07 14:05:17,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:05:17,111 INFO L93 Difference]: Finished difference Result 1225 states and 1876 transitions. [2019-10-07 14:05:17,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-07 14:05:17,112 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 136 [2019-10-07 14:05:17,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:05:17,119 INFO L225 Difference]: With dead ends: 1225 [2019-10-07 14:05:17,119 INFO L226 Difference]: Without dead ends: 838 [2019-10-07 14:05:17,127 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2019-10-07 14:05:17,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2019-10-07 14:05:17,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 813. [2019-10-07 14:05:17,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 813 states. [2019-10-07 14:05:17,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1240 transitions. [2019-10-07 14:05:17,236 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 1240 transitions. Word has length 136 [2019-10-07 14:05:17,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:05:17,240 INFO L462 AbstractCegarLoop]: Abstraction has 813 states and 1240 transitions. [2019-10-07 14:05:17,240 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 14:05:17,241 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1240 transitions. [2019-10-07 14:05:17,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-07 14:05:17,249 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:05:17,250 INFO L385 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:05:17,250 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:05:17,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:05:17,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1456942530, now seen corresponding path program 1 times [2019-10-07 14:05:17,257 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:05:17,257 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:05:17,257 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:05:17,257 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:05:17,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:05:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:05:17,569 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 14:05:17,570 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:05:17,570 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:05:17,570 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 14:05:17,571 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 14:05:17,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 14:05:17,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-07 14:05:17,571 INFO L87 Difference]: Start difference. First operand 813 states and 1240 transitions. Second operand 6 states. [2019-10-07 14:05:18,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:05:18,144 INFO L93 Difference]: Finished difference Result 852 states and 1296 transitions. [2019-10-07 14:05:18,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 14:05:18,144 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 140 [2019-10-07 14:05:18,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:05:18,153 INFO L225 Difference]: With dead ends: 852 [2019-10-07 14:05:18,154 INFO L226 Difference]: Without dead ends: 835 [2019-10-07 14:05:18,156 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-10-07 14:05:18,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2019-10-07 14:05:18,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 817. [2019-10-07 14:05:18,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 817 states. [2019-10-07 14:05:18,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 1244 transitions. [2019-10-07 14:05:18,224 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 1244 transitions. Word has length 140 [2019-10-07 14:05:18,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:05:18,227 INFO L462 AbstractCegarLoop]: Abstraction has 817 states and 1244 transitions. [2019-10-07 14:05:18,227 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 14:05:18,227 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1244 transitions. [2019-10-07 14:05:18,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-10-07 14:05:18,234 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:05:18,235 INFO L385 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:05:18,235 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:05:18,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:05:18,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1766301213, now seen corresponding path program 1 times [2019-10-07 14:05:18,236 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:05:18,236 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:05:18,236 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:05:18,236 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:05:18,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:05:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:05:18,490 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 14:05:18,491 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:05:18,491 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:05:18,492 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-07 14:05:18,493 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 14:05:18,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 14:05:18,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-07 14:05:18,495 INFO L87 Difference]: Start difference. First operand 817 states and 1244 transitions. Second operand 8 states. [2019-10-07 14:05:18,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:05:18,593 INFO L93 Difference]: Finished difference Result 838 states and 1270 transitions. [2019-10-07 14:05:18,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-07 14:05:18,593 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 145 [2019-10-07 14:05:18,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:05:18,603 INFO L225 Difference]: With dead ends: 838 [2019-10-07 14:05:18,603 INFO L226 Difference]: Without dead ends: 821 [2019-10-07 14:05:18,605 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 14:05:18,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2019-10-07 14:05:18,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 817. [2019-10-07 14:05:18,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 817 states. [2019-10-07 14:05:18,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 1242 transitions. [2019-10-07 14:05:18,665 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 1242 transitions. Word has length 145 [2019-10-07 14:05:18,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:05:18,669 INFO L462 AbstractCegarLoop]: Abstraction has 817 states and 1242 transitions. [2019-10-07 14:05:18,670 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 14:05:18,670 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1242 transitions. [2019-10-07 14:05:18,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-07 14:05:18,674 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:05:18,674 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:05:18,674 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:05:18,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:05:18,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1194523864, now seen corresponding path program 1 times [2019-10-07 14:05:18,675 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:05:18,675 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:05:18,675 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:05:18,675 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:05:18,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:05:18,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:05:19,976 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:05:19,976 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:05:19,977 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:05:19,977 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 14:05:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:05:20,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 3266 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-07 14:05:20,603 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:05:20,719 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:20,867 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 14:05:20,868 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:05:21,250 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:21,532 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 14:05:21,533 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 14:05:21,533 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [32] total 37 [2019-10-07 14:05:21,534 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 14:05:21,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 14:05:21,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1223, Unknown=0, NotChecked=0, Total=1332 [2019-10-07 14:05:21,536 INFO L87 Difference]: Start difference. First operand 817 states and 1242 transitions. Second operand 7 states. [2019-10-07 14:05:21,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:05:21,627 INFO L93 Difference]: Finished difference Result 860 states and 1296 transitions. [2019-10-07 14:05:21,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 14:05:21,628 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 160 [2019-10-07 14:05:21,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:05:21,637 INFO L225 Difference]: With dead ends: 860 [2019-10-07 14:05:21,637 INFO L226 Difference]: Without dead ends: 843 [2019-10-07 14:05:21,638 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 328 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=113, Invalid=1293, Unknown=0, NotChecked=0, Total=1406 [2019-10-07 14:05:21,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2019-10-07 14:05:21,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 829. [2019-10-07 14:05:21,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 829 states. [2019-10-07 14:05:21,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 1254 transitions. [2019-10-07 14:05:21,694 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 1254 transitions. Word has length 160 [2019-10-07 14:05:21,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:05:21,694 INFO L462 AbstractCegarLoop]: Abstraction has 829 states and 1254 transitions. [2019-10-07 14:05:21,695 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 14:05:21,695 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1254 transitions. [2019-10-07 14:05:21,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-10-07 14:05:21,699 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:05:21,700 INFO L385 BasicCegarLoop]: trace histogram [7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:05:21,909 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:05:21,910 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:05:21,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:05:21,911 INFO L82 PathProgramCache]: Analyzing trace with hash 982452877, now seen corresponding path program 1 times [2019-10-07 14:05:21,911 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:05:21,911 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:05:21,911 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:05:21,911 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:05:21,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:05:21,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:05:22,360 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-10-07 14:05:22,361 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:05:22,361 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:05:22,361 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 14:05:23,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:05:23,018 INFO L256 TraceCheckSpWp]: Trace formula consists of 3330 conjuncts, 41 conjunts are in the unsatisfiable core [2019-10-07 14:05:23,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:05:23,615 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-10-07 14:05:23,616 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:05:24,093 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:05:24,203 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-10-07 14:05:25,170 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:05:25,554 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2019-10-07 14:05:25,861 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:25,862 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:25,862 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:25,863 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:25,864 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:25,865 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:25,865 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:25,866 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:25,867 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:25,868 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:25,869 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:25,869 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:25,870 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:25,871 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:25,872 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:26,378 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:05:27,475 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:05:27,896 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2019-10-07 14:05:28,024 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:28,025 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:28,026 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:28,027 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:28,027 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:28,028 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:28,029 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:28,029 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:28,030 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:28,031 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:28,031 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:28,032 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:28,033 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:28,034 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:28,034 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:28,440 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:05:28,722 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:28,723 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:28,811 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:29,243 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:05:29,821 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:05:30,358 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:05:30,962 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:30,963 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:30,964 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:30,964 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:30,965 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:30,966 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:30,967 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:30,967 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:30,967 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:30,968 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:30,969 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:30,969 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:30,970 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:30,970 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:30,971 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:30,972 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:30,972 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:30,973 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:30,973 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:31,430 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:05:31,855 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:31,856 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:31,857 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:31,858 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:31,858 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:31,859 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:31,860 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:31,861 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:31,861 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:31,862 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:31,862 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:31,863 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:31,864 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:31,864 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:31,865 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:31,865 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:32,362 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:05:32,601 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:05:32,602 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:32,603 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:32,604 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:32,604 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:32,605 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:32,605 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:32,606 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:32,607 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:32,607 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:32,608 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:32,609 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:32,609 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:32,610 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:32,610 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:32,611 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:32,612 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:32,612 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:32,613 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:33,148 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-07 14:05:33,204 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:33,206 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:33,248 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:33,248 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:33,249 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:05:33,250 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:33,250 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:05:33,251 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:33,252 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:33,252 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:05:33,253 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:33,254 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:05:33,255 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:33,256 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:33,257 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:33,257 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:33,258 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:05:33,258 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:33,259 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:05:33,259 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:33,260 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:33,261 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:33,261 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:05:33,262 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:05:33,263 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:33,263 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:05:33,264 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-07 14:05:33,314 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:33,315 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:33,315 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:33,316 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:33,316 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:05:33,422 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-10-07 14:05:33,422 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:05:33,452 INFO L162 IcfgInterpreter]: Started Sifa with 152 locations of interest [2019-10-07 14:05:33,452 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:05:33,459 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:05:33,466 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:05:33,467 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:06:08,057 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 760 [2019-10-07 14:06:12,538 WARN L191 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 405 DAG size of output: 327 [2019-10-07 14:06:12,960 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 846 [2019-10-07 14:06:13,577 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 846 [2019-10-07 14:06:13,905 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 846 [2019-10-07 14:06:14,032 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 284 [2019-10-07 14:06:14,745 WARN L191 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 1032 [2019-10-07 14:06:15,260 WARN L191 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 1032 [2019-10-07 14:06:15,729 WARN L191 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 1032 [2019-10-07 14:06:16,290 WARN L191 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 1032 [2019-10-07 14:06:17,298 WARN L191 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 1032 [2019-10-07 14:06:17,806 WARN L191 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 1032 [2019-10-07 14:06:18,338 WARN L191 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 1032 [2019-10-07 14:06:18,847 WARN L191 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 1032 [2019-10-07 14:06:19,293 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 1032 [2019-10-07 14:06:19,825 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 1032 [2019-10-07 14:06:19,844 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 385 for LOIs [2019-10-07 14:06:20,234 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 729 [2019-10-07 14:06:20,414 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 729 [2019-10-07 14:06:20,794 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 915 [2019-10-07 14:06:20,796 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1082 for LOIs [2019-10-07 14:06:21,239 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:06:21,749 WARN L191 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:06:21,879 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:06:22,617 WARN L191 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:23,110 WARN L191 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:06:23,552 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:06:23,730 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:06:24,487 WARN L191 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:25,079 WARN L191 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:06:25,518 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:06:25,773 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:06:26,639 WARN L191 SmtUtils]: Spent 864.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:27,543 WARN L191 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 1250 DAG size of output: 1082 [2019-10-07 14:06:27,990 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:06:28,191 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:06:29,399 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:29,869 WARN L191 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:06:30,305 WARN L191 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:06:30,420 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:06:31,169 WARN L191 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:31,638 WARN L191 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:06:32,107 WARN L191 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:06:32,229 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:06:33,004 WARN L191 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:33,453 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:06:33,910 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:06:34,023 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:06:34,788 WARN L191 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:35,221 WARN L191 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:06:35,673 WARN L191 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:06:35,787 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:06:36,545 WARN L191 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:37,018 WARN L191 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:06:37,474 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:06:37,594 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:06:38,323 WARN L191 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:38,773 WARN L191 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:06:39,222 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:06:39,335 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:06:40,093 WARN L191 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:40,528 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:06:40,997 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:06:41,110 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:06:41,874 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:42,311 WARN L191 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:06:42,750 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:06:42,877 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:06:43,607 WARN L191 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:44,043 WARN L191 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:06:44,487 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:06:44,599 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:06:45,353 WARN L191 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:46,778 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:47,518 WARN L191 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:47,639 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:06:48,381 WARN L191 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:50,024 WARN L191 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 1250 DAG size of output: 1248 [2019-10-07 14:06:50,772 WARN L191 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:50,895 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:06:51,637 WARN L191 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:52,394 WARN L191 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:53,122 WARN L191 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:53,238 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:06:53,969 WARN L191 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:06:54,741 WARN L191 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-10-07 14:06:55,487 WARN L191 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-10-07 14:06:55,609 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2019-10-07 14:06:56,350 WARN L191 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:06:57,714 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1250 [2019-10-07 14:06:58,463 WARN L191 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-10-07 14:06:58,593 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2019-10-07 14:06:59,343 WARN L191 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:07:00,075 WARN L191 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-10-07 14:07:00,831 WARN L191 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-10-07 14:07:00,954 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2019-10-07 14:07:01,704 WARN L191 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:07:02,470 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 1257 [2019-10-07 14:07:03,198 WARN L191 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 1257 [2019-10-07 14:07:03,321 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2019-10-07 14:07:04,082 WARN L191 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 1257 [2019-10-07 14:07:04,817 WARN L191 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 1259 [2019-10-07 14:07:05,575 WARN L191 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 1259 [2019-10-07 14:07:05,701 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2019-10-07 14:07:06,438 WARN L191 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 1259 [2019-10-07 14:07:07,194 WARN L191 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 1259 [2019-10-07 14:07:07,954 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1259 [2019-10-07 14:07:08,076 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2019-10-07 14:07:08,835 WARN L191 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 1259 [2019-10-07 14:07:09,576 WARN L191 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 1259 [2019-10-07 14:07:10,333 WARN L191 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 1259 [2019-10-07 14:07:10,593 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2019-10-07 14:07:11,624 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1259 [2019-10-07 14:07:12,359 WARN L191 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 1259 [2019-10-07 14:07:13,122 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 1259 [2019-10-07 14:07:13,243 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2019-10-07 14:07:13,989 WARN L191 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 1259 [2019-10-07 14:07:15,314 WARN L191 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1250 DAG size of output: 1248 [2019-10-07 14:07:16,052 WARN L191 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:16,192 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:07:16,929 WARN L191 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:18,320 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1250 DAG size of output: 1248 [2019-10-07 14:07:19,059 WARN L191 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:19,177 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:07:19,915 WARN L191 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:20,635 WARN L191 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:21,355 WARN L191 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:21,471 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:07:22,197 WARN L191 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:23,526 WARN L191 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1250 [2019-10-07 14:07:24,251 WARN L191 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-10-07 14:07:24,371 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2019-10-07 14:07:25,114 WARN L191 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:07:25,865 WARN L191 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:07:26,612 WARN L191 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:07:26,731 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2019-10-07 14:07:27,473 WARN L191 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:07:28,796 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1250 [2019-10-07 14:07:29,513 WARN L191 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-10-07 14:07:29,631 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2019-10-07 14:07:30,357 WARN L191 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:07:31,639 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1259 DAG size of output: 1250 [2019-10-07 14:07:32,383 WARN L191 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-10-07 14:07:32,509 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2019-10-07 14:07:33,253 WARN L191 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:07:34,535 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1261 DAG size of output: 1252 [2019-10-07 14:07:35,281 WARN L191 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:07:35,401 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2019-10-07 14:07:36,152 WARN L191 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 1254 [2019-10-07 14:07:37,467 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1250 DAG size of output: 1248 [2019-10-07 14:07:38,192 WARN L191 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:38,315 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:07:39,029 WARN L191 SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:40,406 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1250 DAG size of output: 1248 [2019-10-07 14:07:41,122 WARN L191 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:41,240 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:07:41,972 WARN L191 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:42,690 WARN L191 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:43,431 WARN L191 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:43,545 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:07:44,260 WARN L191 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:45,625 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1250 DAG size of output: 1248 [2019-10-07 14:07:46,370 WARN L191 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:46,488 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:07:47,233 WARN L191 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:48,577 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1250 DAG size of output: 1248 [2019-10-07 14:07:49,304 WARN L191 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:49,423 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:07:50,164 WARN L191 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:50,884 WARN L191 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:51,630 WARN L191 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:51,743 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:07:52,488 WARN L191 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:53,239 WARN L191 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:07:54,001 WARN L191 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:07:54,121 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2019-10-07 14:07:54,865 WARN L191 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:07:56,165 WARN L191 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1250 [2019-10-07 14:07:56,909 WARN L191 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-10-07 14:07:57,028 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2019-10-07 14:07:57,782 WARN L191 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:07:59,154 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1250 DAG size of output: 1248 [2019-10-07 14:07:59,874 WARN L191 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:07:59,996 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:08:00,706 WARN L191 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:02,004 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1250 DAG size of output: 1248 [2019-10-07 14:08:02,741 WARN L191 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:02,868 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:08:03,605 WARN L191 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:04,937 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1250 DAG size of output: 1248 [2019-10-07 14:08:05,657 WARN L191 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:05,778 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:08:06,491 WARN L191 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:07,820 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1250 DAG size of output: 1248 [2019-10-07 14:08:08,533 WARN L191 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:08,652 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:08:09,378 WARN L191 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:10,113 WARN L191 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:10,830 WARN L191 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:10,942 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:08:11,684 WARN L191 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:12,439 WARN L191 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:08:13,186 WARN L191 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:08:13,322 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2019-10-07 14:08:14,071 WARN L191 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:08:14,802 WARN L191 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:08:15,548 WARN L191 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:08:15,679 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2019-10-07 14:08:16,420 WARN L191 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:08:17,168 WARN L191 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:08:17,897 WARN L191 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:08:18,010 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2019-10-07 14:08:18,760 WARN L191 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:08:20,148 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1259 DAG size of output: 1252 [2019-10-07 14:08:20,871 WARN L191 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:08:21,013 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2019-10-07 14:08:21,753 WARN L191 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:08:23,091 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1250 DAG size of output: 1248 [2019-10-07 14:08:23,810 WARN L191 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:23,931 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:08:24,656 WARN L191 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:25,979 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1250 DAG size of output: 1248 [2019-10-07 14:08:26,725 WARN L191 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:26,845 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:08:27,574 WARN L191 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:28,306 WARN L191 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:29,038 WARN L191 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:29,154 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:08:29,889 WARN L191 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:31,198 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1250 [2019-10-07 14:08:31,935 WARN L191 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-10-07 14:08:32,054 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2019-10-07 14:08:32,811 WARN L191 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:08:33,552 WARN L191 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:08:34,308 WARN L191 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:08:34,437 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2019-10-07 14:08:35,158 WARN L191 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:08:36,501 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1250 [2019-10-07 14:08:37,219 WARN L191 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-10-07 14:08:37,338 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2019-10-07 14:08:38,095 WARN L191 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:08:39,331 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1250 [2019-10-07 14:08:40,073 WARN L191 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-10-07 14:08:40,197 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2019-10-07 14:08:40,960 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:08:42,310 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1256 DAG size of output: 1252 [2019-10-07 14:08:43,043 WARN L191 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:08:43,167 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2019-10-07 14:08:43,903 WARN L191 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 1254 [2019-10-07 14:08:45,268 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1250 DAG size of output: 1248 [2019-10-07 14:08:45,996 WARN L191 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:46,121 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:08:46,849 WARN L191 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:48,226 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1250 DAG size of output: 1248 [2019-10-07 14:08:48,958 WARN L191 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:49,080 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:08:49,840 WARN L191 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:50,592 WARN L191 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:51,313 WARN L191 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:51,432 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:08:52,160 WARN L191 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:08:52,924 WARN L191 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:08:53,675 WARN L191 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:08:53,799 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2019-10-07 14:08:54,539 WARN L191 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:08:55,333 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:08:56,077 WARN L191 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:08:56,205 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2019-10-07 14:08:56,947 WARN L191 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:08:57,716 WARN L191 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:08:58,471 WARN L191 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:08:58,586 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2019-10-07 14:08:59,350 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:09:00,613 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1250 [2019-10-07 14:09:01,387 WARN L191 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-10-07 14:09:01,515 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2019-10-07 14:09:02,281 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:09:03,633 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1256 DAG size of output: 1252 [2019-10-07 14:09:04,404 WARN L191 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:09:04,526 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2019-10-07 14:09:05,303 WARN L191 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 1254 [2019-10-07 14:09:07,005 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 1261 DAG size of output: 1252 [2019-10-07 14:09:07,762 WARN L191 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:09:07,894 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2019-10-07 14:09:08,646 WARN L191 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 1254 [2019-10-07 14:09:10,038 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1256 DAG size of output: 1252 [2019-10-07 14:09:10,801 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 14:09:10,928 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2019-10-07 14:09:11,681 WARN L191 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 1254 [2019-10-07 14:09:11,688 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 1106 for LOIs [2019-10-07 14:09:12,191 WARN L191 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 14:09:12,670 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 14:09:12,789 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:09:13,537 WARN L191 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:09:14,079 WARN L191 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 14:09:14,580 WARN L191 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 14:09:14,699 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:09:15,451 WARN L191 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:09:16,350 WARN L191 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 1250 DAG size of output: 1116 [2019-10-07 14:09:16,861 WARN L191 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 14:09:16,981 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:09:17,752 WARN L191 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:09:18,283 WARN L191 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 14:09:18,778 WARN L191 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 14:09:18,897 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:09:19,644 WARN L191 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:09:20,153 WARN L191 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 14:09:20,661 WARN L191 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 14:09:20,779 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:09:21,524 WARN L191 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:09:22,031 WARN L191 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 14:09:22,541 WARN L191 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 14:09:22,655 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-10-07 14:09:23,424 WARN L191 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 14:09:23,693 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:09:23,695 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 14:09:23,702 INFO L168 Benchmark]: Toolchain (without parser) took 257887.45 ms. Allocated memory was 143.1 MB in the beginning and 2.6 GB in the end (delta: 2.4 GB). Free memory was 97.7 MB in the beginning and 2.2 GB in the end (delta: -2.1 GB). Peak memory consumption was 325.5 MB. Max. memory is 7.1 GB. [2019-10-07 14:09:23,702 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 143.1 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 14:09:23,702 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1073.91 ms. Allocated memory was 143.1 MB in the beginning and 201.3 MB in the end (delta: 58.2 MB). Free memory was 97.5 MB in the beginning and 141.2 MB in the end (delta: -43.7 MB). Peak memory consumption was 30.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:09:23,703 INFO L168 Benchmark]: Boogie Preprocessor took 257.23 ms. Allocated memory is still 201.3 MB. Free memory was 141.2 MB in the beginning and 131.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-10-07 14:09:23,703 INFO L168 Benchmark]: RCFGBuilder took 4645.98 ms. Allocated memory was 201.3 MB in the beginning and 314.6 MB in the end (delta: 113.2 MB). Free memory was 131.6 MB in the beginning and 88.0 MB in the end (delta: 43.6 MB). Peak memory consumption was 156.8 MB. Max. memory is 7.1 GB. [2019-10-07 14:09:23,703 INFO L168 Benchmark]: TraceAbstraction took 251906.28 ms. Allocated memory was 314.6 MB in the beginning and 2.6 GB in the end (delta: 2.2 GB). Free memory was 88.0 MB in the beginning and 2.2 GB in the end (delta: -2.1 GB). Peak memory consumption was 144.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:09:23,705 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 143.1 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1073.91 ms. Allocated memory was 143.1 MB in the beginning and 201.3 MB in the end (delta: 58.2 MB). Free memory was 97.5 MB in the beginning and 141.2 MB in the end (delta: -43.7 MB). Peak memory consumption was 30.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 257.23 ms. Allocated memory is still 201.3 MB. Free memory was 141.2 MB in the beginning and 131.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4645.98 ms. Allocated memory was 201.3 MB in the beginning and 314.6 MB in the end (delta: 113.2 MB). Free memory was 131.6 MB in the beginning and 88.0 MB in the end (delta: 43.6 MB). Peak memory consumption was 156.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 251906.28 ms. Allocated memory was 314.6 MB in the beginning and 2.6 GB in the end (delta: 2.2 GB). Free memory was 88.0 MB in the beginning and 2.2 GB in the end (delta: -2.1 GB). Peak memory consumption was 144.3 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...