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_spec2_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:22:23,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:22:23,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:22:23,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:22:23,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:22:23,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:22:23,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:22:23,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:22:23,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:22:23,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:22:23,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:22:23,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:22:23,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:22:23,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:22:23,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:22:23,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:22:23,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:22:23,269 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:22:23,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:22:23,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:22:23,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:22:23,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:22:23,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:22:23,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:22:23,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:22:23,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:22:23,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:22:23,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:22:23,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:22:23,282 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:22:23,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:22:23,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:22:23,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:22:23,285 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:22:23,286 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:22:23,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:22:23,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:22:23,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:22:23,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:22:23,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:22:23,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:22:23,290 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 14:22:23,304 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:22:23,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:22:23,305 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:22:23,306 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:22:23,306 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:22:23,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:22:23,306 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:22:23,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:22:23,307 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:22:23,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:22:23,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:22:23,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:22:23,308 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:22:23,308 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:22:23,308 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:22:23,308 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:22:23,308 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:22:23,309 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:22:23,309 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:22:23,309 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:22:23,309 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:22:23,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:22:23,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:22:23,310 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:22:23,310 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:22:23,310 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:22:23,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:22:23,311 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:22:23,311 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 14:22:23,616 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:22:23,630 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:22:23,633 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:22:23,635 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:22:23,635 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:22:23,636 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product32.cil.c [2019-10-07 14:22:23,711 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6682f8e9f/dc2b0a5a405a46778661ad3af41e8090/FLAG5c889794f [2019-10-07 14:22:24,357 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:22:24,357 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product32.cil.c [2019-10-07 14:22:24,402 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6682f8e9f/dc2b0a5a405a46778661ad3af41e8090/FLAG5c889794f [2019-10-07 14:22:24,680 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6682f8e9f/dc2b0a5a405a46778661ad3af41e8090 [2019-10-07 14:22:24,690 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:22:24,692 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:22:24,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:22:24,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:22:24,696 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:22:24,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:22:24" (1/1) ... [2019-10-07 14:22:24,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e84451e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:22:24, skipping insertion in model container [2019-10-07 14:22:24,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:22:24" (1/1) ... [2019-10-07 14:22:24,706 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:22:24,806 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:22:25,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:22:25,511 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:22:25,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:22:25,834 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:22:25,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:22:25 WrapperNode [2019-10-07 14:22:25,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:22:25,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:22:25,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:22:25,836 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:22:25,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:22:25" (1/1) ... [2019-10-07 14:22:25,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:22:25" (1/1) ... [2019-10-07 14:22:25,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:22:25" (1/1) ... [2019-10-07 14:22:25,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:22:25" (1/1) ... [2019-10-07 14:22:26,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:22:25" (1/1) ... [2019-10-07 14:22:26,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:22:25" (1/1) ... [2019-10-07 14:22:26,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:22:25" (1/1) ... [2019-10-07 14:22:26,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:22:26,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:22:26,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:22:26,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:22:26,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:22:25" (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 14:22:26,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:22:26,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:22:26,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:22:26,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-07 14:22:26,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-07 14:22:26,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2019-10-07 14:22:26,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2019-10-07 14:22:26,205 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-07 14:22:26,205 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-07 14:22:26,206 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-07 14:22:26,206 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-07 14:22:26,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-07 14:22:26,206 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-07 14:22:26,207 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-07 14:22:26,207 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-07 14:22:26,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:22:26,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:22:26,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:22:26,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:22:26,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:22:26,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:22:26,210 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:22:26,210 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:22:26,210 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:22:26,211 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:22:26,211 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-07 14:22:26,211 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-07 14:22:26,211 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:22:26,212 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-07 14:22:26,212 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-07 14:22:26,212 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-07 14:22:26,213 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-07 14:22:26,213 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-07 14:22:26,213 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-07 14:22:26,214 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-07 14:22:26,214 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-07 14:22:26,214 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-07 14:22:26,214 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-07 14:22:26,215 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-07 14:22:26,215 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 14:22:26,215 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-07 14:22:26,215 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-07 14:22:26,216 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-07 14:22:26,216 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 14:22:26,216 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-07 14:22:26,216 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:22:26,217 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 14:22:26,217 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:22:26,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:22:26,217 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-07 14:22:26,217 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-07 14:22:26,217 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-07 14:22:26,217 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-07 14:22:26,218 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-07 14:22:26,218 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-07 14:22:26,218 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-07 14:22:26,218 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-07 14:22:26,218 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-07 14:22:26,219 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-07 14:22:26,219 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-07 14:22:26,219 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-07 14:22:26,220 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-07 14:22:26,220 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-07 14:22:26,220 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-07 14:22:26,220 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-07 14:22:26,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-07 14:22:26,221 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-07 14:22:26,221 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-07 14:22:26,221 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-07 14:22:26,222 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-07 14:22:26,222 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-07 14:22:26,223 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-07 14:22:26,223 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-07 14:22:26,224 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-07 14:22:26,224 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-07 14:22:26,224 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-07 14:22:26,225 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2019-10-07 14:22:26,226 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 14:22:26,226 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2019-10-07 14:22:26,226 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-07 14:22:26,228 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-07 14:22:26,228 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-07 14:22:26,228 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-07 14:22:26,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:22:26,229 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:22:26,229 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:22:26,229 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-07 14:22:26,230 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-07 14:22:26,230 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-07 14:22:26,230 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-07 14:22:26,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2019-10-07 14:22:26,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2019-10-07 14:22:26,231 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-07 14:22:26,231 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-07 14:22:26,231 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-07 14:22:26,231 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-07 14:22:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-07 14:22:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-07 14:22:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-07 14:22:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-07 14:22:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:22:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:22:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:22:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:22:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:22:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:22:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:22:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:22:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:22:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:22:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:22:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:22:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:22:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:22:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:22:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:22:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:22:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:22:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:22:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:22:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:22:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-07 14:22:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 14:22:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-07 14:22:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-07 14:22:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-07 14:22:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-07 14:22:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-07 14:22:26,240 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-07 14:22:26,240 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-07 14:22:26,241 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 14:22:26,241 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:22:26,242 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-07 14:22:26,243 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-07 14:22:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-07 14:22:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-07 14:22:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-07 14:22:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-07 14:22:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-07 14:22:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-07 14:22:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-07 14:22:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-07 14:22:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-07 14:22:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-07 14:22:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-07 14:22:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-07 14:22:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 14:22:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-07 14:22:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:22:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 14:22:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:22:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:22:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-07 14:22:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-07 14:22:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-07 14:22:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-07 14:22:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-07 14:22:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-07 14:22:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-07 14:22:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-07 14:22:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-07 14:22:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-07 14:22:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-07 14:22:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-07 14:22:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-07 14:22:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-07 14:22:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-07 14:22:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-07 14:22:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-07 14:22:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-07 14:22:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-07 14:22:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-07 14:22:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-07 14:22:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-07 14:22:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-07 14:22:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2019-10-07 14:22:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2019-10-07 14:22:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-07 14:22:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:22:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:22:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:22:31,314 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:22:31,314 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-07 14:22:31,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:22:31 BoogieIcfgContainer [2019-10-07 14:22:31,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:22:31,317 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:22:31,318 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:22:31,321 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:22:31,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:22:24" (1/3) ... [2019-10-07 14:22:31,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@518509d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:22:31, skipping insertion in model container [2019-10-07 14:22:31,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:22:25" (2/3) ... [2019-10-07 14:22:31,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@518509d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:22:31, skipping insertion in model container [2019-10-07 14:22:31,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:22:31" (3/3) ... [2019-10-07 14:22:31,324 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product32.cil.c [2019-10-07 14:22:31,334 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:22:31,344 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:22:31,355 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:22:31,387 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:22:31,387 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:22:31,387 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:22:31,387 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:22:31,388 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:22:31,388 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:22:31,388 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:22:31,388 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:22:31,420 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states. [2019-10-07 14:22:31,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-10-07 14:22:31,433 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:22:31,434 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:22:31,436 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:22:31,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:22:31,442 INFO L82 PathProgramCache]: Analyzing trace with hash 716596662, now seen corresponding path program 1 times [2019-10-07 14:22:31,451 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:22:31,451 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:22:31,451 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:22:31,452 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:22:31,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:22:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:22:32,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 14:22:32,026 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:22:32,028 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:22:32,028 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:22:32,034 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:22:32,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:22:32,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:22:32,051 INFO L87 Difference]: Start difference. First operand 616 states. Second operand 2 states. [2019-10-07 14:22:32,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:22:32,183 INFO L93 Difference]: Finished difference Result 513 states and 755 transitions. [2019-10-07 14:22:32,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:22:32,188 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 74 [2019-10-07 14:22:32,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:22:32,223 INFO L225 Difference]: With dead ends: 513 [2019-10-07 14:22:32,223 INFO L226 Difference]: Without dead ends: 479 [2019-10-07 14:22:32,229 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 14:22:32,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2019-10-07 14:22:32,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 479. [2019-10-07 14:22:32,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2019-10-07 14:22:32,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 704 transitions. [2019-10-07 14:22:32,326 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 704 transitions. Word has length 74 [2019-10-07 14:22:32,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:22:32,329 INFO L462 AbstractCegarLoop]: Abstraction has 479 states and 704 transitions. [2019-10-07 14:22:32,329 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:22:32,329 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 704 transitions. [2019-10-07 14:22:32,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-07 14:22:32,334 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:22:32,334 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:22:32,335 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:22:32,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:22:32,335 INFO L82 PathProgramCache]: Analyzing trace with hash -1077325897, now seen corresponding path program 1 times [2019-10-07 14:22:32,335 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:22:32,335 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:22:32,336 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:22:32,336 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:22:32,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:22:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:22:32,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 14:22:32,689 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:22:32,690 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:22:32,690 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-07 14:22:32,692 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 14:22:32,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 14:22:32,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-07 14:22:32,693 INFO L87 Difference]: Start difference. First operand 479 states and 704 transitions. Second operand 9 states. [2019-10-07 14:22:38,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:22:38,550 INFO L93 Difference]: Finished difference Result 1320 states and 1980 transitions. [2019-10-07 14:22:38,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-10-07 14:22:38,551 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 75 [2019-10-07 14:22:38,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:22:38,561 INFO L225 Difference]: With dead ends: 1320 [2019-10-07 14:22:38,563 INFO L226 Difference]: Without dead ends: 883 [2019-10-07 14:22:38,575 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2019-10-07 14:22:38,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2019-10-07 14:22:38,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 852. [2019-10-07 14:22:38,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 852 states. [2019-10-07 14:22:38,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1237 transitions. [2019-10-07 14:22:38,675 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1237 transitions. Word has length 75 [2019-10-07 14:22:38,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:22:38,676 INFO L462 AbstractCegarLoop]: Abstraction has 852 states and 1237 transitions. [2019-10-07 14:22:38,676 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 14:22:38,676 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1237 transitions. [2019-10-07 14:22:38,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-10-07 14:22:38,679 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:22:38,680 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:22:38,680 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:22:38,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:22:38,680 INFO L82 PathProgramCache]: Analyzing trace with hash -983155146, now seen corresponding path program 1 times [2019-10-07 14:22:38,681 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:22:38,681 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:22:38,681 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:22:38,681 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:22:38,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:22:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:22:38,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 14:22:38,908 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:22:38,909 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:22:38,909 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 14:22:38,909 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 14:22:38,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 14:22:38,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-07 14:22:38,910 INFO L87 Difference]: Start difference. First operand 852 states and 1237 transitions. Second operand 5 states. [2019-10-07 14:22:40,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:22:40,815 INFO L93 Difference]: Finished difference Result 2542 states and 3780 transitions. [2019-10-07 14:22:40,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 14:22:40,815 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2019-10-07 14:22:40,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:22:40,835 INFO L225 Difference]: With dead ends: 2542 [2019-10-07 14:22:40,836 INFO L226 Difference]: Without dead ends: 1733 [2019-10-07 14:22:40,840 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-10-07 14:22:40,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1733 states. [2019-10-07 14:22:40,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1733 to 1637. [2019-10-07 14:22:40,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1637 states. [2019-10-07 14:22:40,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1637 states and 2421 transitions. [2019-10-07 14:22:40,951 INFO L78 Accepts]: Start accepts. Automaton has 1637 states and 2421 transitions. Word has length 76 [2019-10-07 14:22:40,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:22:40,951 INFO L462 AbstractCegarLoop]: Abstraction has 1637 states and 2421 transitions. [2019-10-07 14:22:40,951 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 14:22:40,952 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 2421 transitions. [2019-10-07 14:22:40,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-07 14:22:40,958 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:22:40,958 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:22:40,959 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:22:40,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:22:40,959 INFO L82 PathProgramCache]: Analyzing trace with hash -414612669, now seen corresponding path program 1 times [2019-10-07 14:22:40,959 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:22:40,960 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:22:40,960 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:22:40,960 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:22:40,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:22:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:22:41,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 14:22:41,204 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:22:41,204 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:22:41,205 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 14:22:41,205 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 14:22:41,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 14:22:41,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 14:22:41,206 INFO L87 Difference]: Start difference. First operand 1637 states and 2421 transitions. Second operand 4 states. [2019-10-07 14:22:42,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:22:42,983 INFO L93 Difference]: Finished difference Result 4830 states and 7247 transitions. [2019-10-07 14:22:42,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 14:22:42,984 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 77 [2019-10-07 14:22:42,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:22:43,014 INFO L225 Difference]: With dead ends: 4830 [2019-10-07 14:22:43,014 INFO L226 Difference]: Without dead ends: 3237 [2019-10-07 14:22:43,025 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-07 14:22:43,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3237 states. [2019-10-07 14:22:43,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3237 to 3120. [2019-10-07 14:22:43,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3120 states. [2019-10-07 14:22:43,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3120 states to 3120 states and 4656 transitions. [2019-10-07 14:22:43,288 INFO L78 Accepts]: Start accepts. Automaton has 3120 states and 4656 transitions. Word has length 77 [2019-10-07 14:22:43,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:22:43,289 INFO L462 AbstractCegarLoop]: Abstraction has 3120 states and 4656 transitions. [2019-10-07 14:22:43,289 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 14:22:43,289 INFO L276 IsEmpty]: Start isEmpty. Operand 3120 states and 4656 transitions. [2019-10-07 14:22:43,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-07 14:22:43,290 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:22:43,291 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:22:43,291 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:22:43,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:22:43,291 INFO L82 PathProgramCache]: Analyzing trace with hash 30338840, now seen corresponding path program 1 times [2019-10-07 14:22:43,292 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:22:43,292 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:22:43,292 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:22:43,292 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:22:43,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:22:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:22:43,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 14:22:43,415 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:22:43,415 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:22:43,415 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 14:22:43,416 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 14:22:43,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 14:22:43,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 14:22:43,416 INFO L87 Difference]: Start difference. First operand 3120 states and 4656 transitions. Second operand 4 states. [2019-10-07 14:22:45,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:22:45,536 INFO L93 Difference]: Finished difference Result 9324 states and 14118 transitions. [2019-10-07 14:22:45,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 14:22:45,537 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 78 [2019-10-07 14:22:45,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:22:45,588 INFO L225 Difference]: With dead ends: 9324 [2019-10-07 14:22:45,588 INFO L226 Difference]: Without dead ends: 6249 [2019-10-07 14:22:45,608 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-07 14:22:45,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6249 states. [2019-10-07 14:22:45,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6249 to 6087. [2019-10-07 14:22:45,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6087 states. [2019-10-07 14:22:45,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6087 states to 6087 states and 9164 transitions. [2019-10-07 14:22:45,932 INFO L78 Accepts]: Start accepts. Automaton has 6087 states and 9164 transitions. Word has length 78 [2019-10-07 14:22:45,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:22:45,933 INFO L462 AbstractCegarLoop]: Abstraction has 6087 states and 9164 transitions. [2019-10-07 14:22:45,933 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 14:22:45,933 INFO L276 IsEmpty]: Start isEmpty. Operand 6087 states and 9164 transitions. [2019-10-07 14:22:45,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-10-07 14:22:45,935 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:22:45,935 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:22:45,935 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:22:45,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:22:45,936 INFO L82 PathProgramCache]: Analyzing trace with hash 938937637, now seen corresponding path program 1 times [2019-10-07 14:22:45,936 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:22:45,936 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:22:45,936 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:22:45,936 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:22:45,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:22:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:22:46,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 14:22:46,044 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:22:46,045 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:22:46,045 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 14:22:46,045 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 14:22:46,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 14:22:46,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 14:22:46,046 INFO L87 Difference]: Start difference. First operand 6087 states and 9164 transitions. Second operand 4 states. [2019-10-07 14:22:48,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:22:48,202 INFO L93 Difference]: Finished difference Result 18327 states and 28127 transitions. [2019-10-07 14:22:48,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 14:22:48,203 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 79 [2019-10-07 14:22:48,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:22:48,307 INFO L225 Difference]: With dead ends: 18327 [2019-10-07 14:22:48,307 INFO L226 Difference]: Without dead ends: 12285 [2019-10-07 14:22:48,345 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-07 14:22:48,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12285 states. [2019-10-07 14:22:49,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12285 to 12034. [2019-10-07 14:22:49,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12034 states. [2019-10-07 14:22:49,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12034 states to 12034 states and 18338 transitions. [2019-10-07 14:22:49,815 INFO L78 Accepts]: Start accepts. Automaton has 12034 states and 18338 transitions. Word has length 79 [2019-10-07 14:22:49,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:22:49,815 INFO L462 AbstractCegarLoop]: Abstraction has 12034 states and 18338 transitions. [2019-10-07 14:22:49,816 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 14:22:49,816 INFO L276 IsEmpty]: Start isEmpty. Operand 12034 states and 18338 transitions. [2019-10-07 14:22:49,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-10-07 14:22:49,823 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:22:49,823 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:22:49,823 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:22:49,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:22:49,824 INFO L82 PathProgramCache]: Analyzing trace with hash -959266822, now seen corresponding path program 1 times [2019-10-07 14:22:49,824 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:22:49,824 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:22:49,824 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:22:49,824 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:22:49,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:22:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:22:49,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 14:22:49,997 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:22:49,997 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:22:49,997 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 14:22:49,998 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 14:22:49,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 14:22:49,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 14:22:49,999 INFO L87 Difference]: Start difference. First operand 12034 states and 18338 transitions. Second operand 4 states. [2019-10-07 14:22:52,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:22:52,825 INFO L93 Difference]: Finished difference Result 36386 states and 57091 transitions. [2019-10-07 14:22:52,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 14:22:52,826 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 80 [2019-10-07 14:22:52,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:22:53,038 INFO L225 Difference]: With dead ends: 36386 [2019-10-07 14:22:53,038 INFO L226 Difference]: Without dead ends: 24385 [2019-10-07 14:22:53,115 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-07 14:22:53,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24385 states. [2019-10-07 14:22:54,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24385 to 23863. [2019-10-07 14:22:54,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23863 states. [2019-10-07 14:22:54,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23863 states to 23863 states and 36902 transitions. [2019-10-07 14:22:54,565 INFO L78 Accepts]: Start accepts. Automaton has 23863 states and 36902 transitions. Word has length 80 [2019-10-07 14:22:54,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:22:54,565 INFO L462 AbstractCegarLoop]: Abstraction has 23863 states and 36902 transitions. [2019-10-07 14:22:54,565 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 14:22:54,566 INFO L276 IsEmpty]: Start isEmpty. Operand 23863 states and 36902 transitions. [2019-10-07 14:22:54,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2019-10-07 14:22:54,573 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:22:54,573 INFO L385 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:22:54,574 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:22:54,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:22:54,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1351384967, now seen corresponding path program 1 times [2019-10-07 14:22:54,574 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:22:54,575 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:22:54,575 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:22:54,575 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:22:54,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:22:54,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:22:54,763 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2019-10-07 14:22:54,763 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:22:54,764 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:22:54,764 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 14:22:55,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:22:55,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 4049 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-07 14:22:55,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:22:56,038 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2019-10-07 14:22:56,040 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:22:56,407 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:22:56,669 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:22:56,692 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:22:56,705 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:22:56,783 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-10-07 14:22:56,784 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:22:56,816 INFO L162 IcfgInterpreter]: Started Sifa with 185 locations of interest [2019-10-07 14:22:56,816 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:22:56,827 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:22:56,836 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:22:56,837 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:23:36,894 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 777 [2019-10-07 14:23:41,957 WARN L191 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 430 DAG size of output: 347 [2019-10-07 14:23:42,387 WARN L191 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 870 [2019-10-07 14:23:42,877 WARN L191 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 870 [2019-10-07 14:23:43,167 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 870 [2019-10-07 14:23:43,740 WARN L191 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:23:45,063 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:23:45,539 WARN L191 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:23:46,113 WARN L191 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:23:47,170 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1066 DAG size of output: 1064 [2019-10-07 14:23:47,643 WARN L191 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:23:48,213 WARN L191 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:23:48,696 WARN L191 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:23:49,188 WARN L191 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:23:49,756 WARN L191 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:23:49,779 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 400 for LOIs [2019-10-07 14:23:50,096 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 745 [2019-10-07 14:23:50,224 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 745 [2019-10-07 14:23:50,612 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 939 [2019-10-07 14:23:50,614 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1118 for LOIs [2019-10-07 14:23:51,092 WARN L191 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:23:51,564 WARN L191 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:23:51,746 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:23:52,538 WARN L191 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:23:53,174 WARN L191 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:23:53,654 WARN L191 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:23:53,789 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:23:54,583 WARN L191 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:23:55,102 WARN L191 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:23:55,589 WARN L191 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:23:55,723 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:23:56,526 WARN L191 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:23:57,484 WARN L191 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 1290 DAG size of output: 1118 [2019-10-07 14:23:57,959 WARN L191 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:23:58,246 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:23:59,121 WARN L191 SmtUtils]: Spent 873.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:23:59,619 WARN L191 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:24:00,092 WARN L191 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:24:00,218 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:24:01,031 WARN L191 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:01,539 WARN L191 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:24:02,009 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:24:02,139 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:24:02,955 WARN L191 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:03,432 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:24:03,908 WARN L191 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:24:04,034 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:24:04,836 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:05,318 WARN L191 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:24:05,792 WARN L191 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:24:05,942 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:24:06,730 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:07,198 WARN L191 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:24:07,663 WARN L191 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:24:07,798 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:24:08,579 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:09,051 WARN L191 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:24:09,524 WARN L191 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:24:09,681 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:24:10,484 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:10,958 WARN L191 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:24:11,433 WARN L191 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:24:11,559 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:24:12,343 WARN L191 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:12,819 WARN L191 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:24:13,288 WARN L191 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:24:13,412 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:24:14,188 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:14,653 WARN L191 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:24:15,136 WARN L191 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 1118 [2019-10-07 14:24:15,260 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:24:16,045 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:16,929 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:17,728 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:17,864 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:24:18,661 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:20,121 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:24:20,915 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:21,059 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:24:21,872 WARN L191 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:22,658 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:23,447 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:23,575 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:24:24,388 WARN L191 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:25,230 WARN L191 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:24:26,034 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:24:26,168 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:24:26,991 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:24:28,524 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1292 [2019-10-07 14:24:29,319 WARN L191 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:24:29,453 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:24:30,236 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:24:31,650 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1292 [2019-10-07 14:24:32,452 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:24:32,581 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:24:33,372 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:24:34,177 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 1297 [2019-10-07 14:24:34,959 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 1297 [2019-10-07 14:24:35,109 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:24:35,897 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 1297 [2019-10-07 14:24:36,688 WARN L191 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:24:37,491 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:24:37,631 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:24:38,417 WARN L191 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:24:39,373 WARN L191 SmtUtils]: Spent 926.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:24:40,165 WARN L191 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:24:40,299 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:24:41,098 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:24:42,569 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1301 DAG size of output: 1299 [2019-10-07 14:24:43,384 WARN L191 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:24:43,682 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:24:44,512 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:24:45,326 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:24:46,140 WARN L191 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:24:46,268 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:24:47,059 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:24:48,810 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:24:49,598 WARN L191 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:49,778 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:24:50,558 WARN L191 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:51,969 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:24:52,758 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:52,894 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:24:53,682 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:54,459 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:55,243 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:55,369 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:24:56,149 WARN L191 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:24:57,491 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:24:58,270 WARN L191 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:24:58,403 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:24:59,186 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:25:00,000 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:25:00,790 WARN L191 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:25:00,924 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:25:01,725 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:25:03,143 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:25:03,924 WARN L191 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:25:04,051 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:25:04,852 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:25:06,291 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1299 DAG size of output: 1297 [2019-10-07 14:25:07,085 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 1297 [2019-10-07 14:25:07,218 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:25:08,018 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 1297 [2019-10-07 14:25:09,460 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1301 DAG size of output: 1299 [2019-10-07 14:25:10,259 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:25:10,393 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:25:11,184 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:25:12,642 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:25:13,436 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:13,570 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:25:14,370 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:15,780 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:25:16,577 WARN L191 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:16,712 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:25:17,495 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:18,280 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:19,071 WARN L191 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:19,198 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:25:19,993 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:21,512 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:25:22,318 WARN L191 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:22,450 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:25:23,234 WARN L191 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:24,663 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:25:25,467 WARN L191 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:25,600 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:25:26,394 WARN L191 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:27,198 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:27,987 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:28,112 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:25:28,909 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:30,382 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:25:31,168 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:25:31,301 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:25:32,106 WARN L191 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:25:32,942 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:25:33,743 WARN L191 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:25:33,897 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:25:34,697 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:25:36,143 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:25:36,932 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:25:37,058 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:25:37,874 WARN L191 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:25:38,696 WARN L191 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 1297 [2019-10-07 14:25:39,496 WARN L191 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 1297 [2019-10-07 14:25:39,632 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:25:40,446 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 1297 [2019-10-07 14:25:41,897 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:25:42,707 WARN L191 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:42,838 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:25:43,641 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:45,081 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:25:45,868 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:46,000 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:25:46,798 WARN L191 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:47,603 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:48,405 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:48,532 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:25:49,339 WARN L191 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:25:50,175 WARN L191 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:25:50,982 WARN L191 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:25:51,114 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:25:51,908 WARN L191 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:25:52,726 WARN L191 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:25:53,528 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:25:53,661 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:25:54,483 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:25:55,301 WARN L191 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:25:56,098 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:25:56,228 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:25:57,041 WARN L191 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:25:57,853 WARN L191 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 1297 [2019-10-07 14:25:58,669 WARN L191 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 1297 [2019-10-07 14:25:58,817 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:25:59,638 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 1297 [2019-10-07 14:26:01,089 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1301 DAG size of output: 1299 [2019-10-07 14:26:01,911 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:26:02,042 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:26:02,834 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:26:04,277 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1301 DAG size of output: 1299 [2019-10-07 14:26:05,068 WARN L191 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:26:05,200 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:26:05,992 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:26:07,421 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1301 DAG size of output: 1299 [2019-10-07 14:26:08,210 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:26:08,343 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:26:09,145 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:26:10,578 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:26:11,366 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:26:11,497 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:26:12,272 WARN L191 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:26:13,701 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:26:14,490 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:26:14,622 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:26:15,399 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:26:16,178 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:26:16,958 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:26:17,084 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:26:17,864 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:26:19,463 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:26:20,261 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:26:20,406 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:26:21,218 WARN L191 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:26:22,032 WARN L191 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:26:22,842 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:26:22,980 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:26:23,781 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:26:25,204 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1290 [2019-10-07 14:26:25,981 WARN L191 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 14:26:26,105 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:26:26,886 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:26:28,311 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1299 DAG size of output: 1297 [2019-10-07 14:26:29,091 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 1297 [2019-10-07 14:26:29,221 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:26:30,012 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 1297 [2019-10-07 14:26:31,421 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1301 DAG size of output: 1299 [2019-10-07 14:26:32,203 WARN L191 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:26:32,334 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:26:33,115 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 1299 [2019-10-07 14:26:34,516 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:26:35,305 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:26:35,441 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:26:36,219 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:26:37,659 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:26:38,449 WARN L191 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:26:38,578 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:26:39,356 WARN L191 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:26:40,787 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:26:41,574 WARN L191 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:26:41,710 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:26:42,495 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:26:43,909 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1288 [2019-10-07 14:26:44,689 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:26:44,819 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:26:45,598 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:26:46,377 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:26:47,155 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:26:47,280 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:26:48,058 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:26:48,869 WARN L191 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:26:49,653 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:26:49,805 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:26:50,610 WARN L191 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:26:51,427 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:26:52,209 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:26:52,351 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2019-10-07 14:26:53,144 WARN L191 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2019-10-07 14:26:53,151 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 1136 for LOIs [2019-10-07 14:26:53,646 WARN L191 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 1136 [2019-10-07 14:26:54,142 WARN L191 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 1136 [2019-10-07 14:26:54,266 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:26:55,044 WARN L191 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:26:55,602 WARN L191 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 1146 [2019-10-07 14:26:56,115 WARN L191 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 1146 [2019-10-07 14:26:56,241 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:26:57,012 WARN L191 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:26:57,903 WARN L191 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 1290 DAG size of output: 1146 [2019-10-07 14:26:58,515 WARN L191 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 1146 [2019-10-07 14:26:58,643 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:26:59,422 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:26:59,952 WARN L191 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 1146 [2019-10-07 14:27:00,479 WARN L191 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 1146 [2019-10-07 14:27:00,602 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:27:01,380 WARN L191 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:27:01,896 WARN L191 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 1146 [2019-10-07 14:27:02,403 WARN L191 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 1146 [2019-10-07 14:27:02,527 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:27:03,303 WARN L191 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:27:03,817 WARN L191 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 1146 [2019-10-07 14:27:04,331 WARN L191 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 1146 [2019-10-07 14:27:04,454 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 14:27:05,222 WARN L191 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 14:27:05,501 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:27:05,503 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 14:27:05,510 INFO L168 Benchmark]: Toolchain (without parser) took 280817.58 ms. Allocated memory was 143.1 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 98.2 MB in the beginning and 738.2 MB in the end (delta: -639.9 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2019-10-07 14:27:05,511 INFO L168 Benchmark]: CDTParser took 0.24 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 14:27:05,512 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1142.63 ms. Allocated memory was 143.1 MB in the beginning and 199.8 MB in the end (delta: 56.6 MB). Free memory was 98.0 MB in the beginning and 134.7 MB in the end (delta: -36.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. [2019-10-07 14:27:05,512 INFO L168 Benchmark]: Boogie Preprocessor took 278.24 ms. Allocated memory is still 199.8 MB. Free memory was 134.7 MB in the beginning and 124.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-10-07 14:27:05,512 INFO L168 Benchmark]: RCFGBuilder took 5201.64 ms. Allocated memory was 199.8 MB in the beginning and 317.2 MB in the end (delta: 117.4 MB). Free memory was 124.9 MB in the beginning and 259.6 MB in the end (delta: -134.7 MB). Peak memory consumption was 177.1 MB. Max. memory is 7.1 GB. [2019-10-07 14:27:05,513 INFO L168 Benchmark]: TraceAbstraction took 274190.19 ms. Allocated memory was 317.2 MB in the beginning and 3.0 GB in the end (delta: 2.6 GB). Free memory was 259.6 MB in the beginning and 738.2 MB in the end (delta: -478.5 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2019-10-07 14:27:05,520 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 1142.63 ms. Allocated memory was 143.1 MB in the beginning and 199.8 MB in the end (delta: 56.6 MB). Free memory was 98.0 MB in the beginning and 134.7 MB in the end (delta: -36.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 278.24 ms. Allocated memory is still 199.8 MB. Free memory was 134.7 MB in the beginning and 124.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5201.64 ms. Allocated memory was 199.8 MB in the beginning and 317.2 MB in the end (delta: 117.4 MB). Free memory was 124.9 MB in the beginning and 259.6 MB in the end (delta: -134.7 MB). Peak memory consumption was 177.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 274190.19 ms. Allocated memory was 317.2 MB in the beginning and 3.0 GB in the end (delta: 2.6 GB). Free memory was 259.6 MB in the beginning and 738.2 MB in the end (delta: -478.5 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee initPersonOnFloor de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee initPersonOnFloor: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...