java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/elevator_spec1_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:11:00,349 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:11:00,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:11:00,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:11:00,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:11:00,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:11:00,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:11:00,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:11:00,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:11:00,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:11:00,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:11:00,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:11:00,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:11:00,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:11:00,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:11:00,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:11:00,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:11:00,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:11:00,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:11:00,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:11:00,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:11:00,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:11:00,393 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:11:00,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:11:00,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:11:00,397 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:11:00,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:11:00,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:11:00,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:11:00,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:11:00,401 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:11:00,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:11:00,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:11:00,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:11:00,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:11:00,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:11:00,409 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:11:00,409 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:11:00,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:11:00,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:11:00,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:11:00,414 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 14:11:00,433 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:11:00,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:11:00,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:11:00,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:11:00,439 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:11:00,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:11:00,439 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:11:00,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:11:00,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:11:00,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:11:00,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:11:00,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:11:00,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:11:00,441 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:11:00,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:11:00,442 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:11:00,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:11:00,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:11:00,443 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:11:00,444 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:11:00,444 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:11:00,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:11:00,446 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:11:00,447 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:11:00,448 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:11:00,448 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:11:00,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:11:00,449 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:11:00,449 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 14:11:00,727 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:11:00,747 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:11:00,752 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:11:00,753 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:11:00,753 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:11:00,754 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product31.cil.c [2019-10-07 14:11:00,832 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9306c663c/015344a02c48445ea17fdcd84a40c66c/FLAG932ab6aaf [2019-10-07 14:11:01,488 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:11:01,489 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec1_product31.cil.c [2019-10-07 14:11:01,527 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9306c663c/015344a02c48445ea17fdcd84a40c66c/FLAG932ab6aaf [2019-10-07 14:11:01,717 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9306c663c/015344a02c48445ea17fdcd84a40c66c [2019-10-07 14:11:01,727 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:11:01,728 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:11:01,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:11:01,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:11:01,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:11:01,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:11:01" (1/1) ... [2019-10-07 14:11:01,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1874f1f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:11:01, skipping insertion in model container [2019-10-07 14:11:01,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:11:01" (1/1) ... [2019-10-07 14:11:01,745 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:11:01,829 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:11:02,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:11:02,580 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:11:02,747 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:11:02,814 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:11:02,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:11:02 WrapperNode [2019-10-07 14:11:02,816 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:11:02,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:11:02,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:11:02,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:11:02,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:11:02" (1/1) ... [2019-10-07 14:11:02,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:11:02" (1/1) ... [2019-10-07 14:11:02,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:11:02" (1/1) ... [2019-10-07 14:11:02,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:11:02" (1/1) ... [2019-10-07 14:11:02,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:11:02" (1/1) ... [2019-10-07 14:11:02,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:11:02" (1/1) ... [2019-10-07 14:11:02,995 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:11:02" (1/1) ... [2019-10-07 14:11:03,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:11:03,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:11:03,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:11:03,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:11:03,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:11:02" (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 14:11:03,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:11:03,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:11:03,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:11:03,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:11:03,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:11:03,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:11:03,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:11:03,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:11:03,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:11:03,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:11:03,090 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-07 14:11:03,091 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-07 14:11:03,091 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-07 14:11:03,091 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-07 14:11:03,091 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-07 14:11:03,091 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-07 14:11:03,092 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-07 14:11:03,092 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-07 14:11:03,092 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-07 14:11:03,092 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-07 14:11:03,093 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-07 14:11:03,093 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-07 14:11:03,093 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-07 14:11:03,093 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-07 14:11:03,094 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-07 14:11:03,094 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-07 14:11:03,094 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-07 14:11:03,094 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-07 14:11:03,094 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-07 14:11:03,095 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-07 14:11:03,095 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-07 14:11:03,095 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-07 14:11:03,095 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-07 14:11:03,095 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-07 14:11:03,096 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-07 14:11:03,096 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-07 14:11:03,096 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-07 14:11:03,096 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 14:11:03,096 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-07 14:11:03,097 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-07 14:11:03,097 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-07 14:11:03,097 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-07 14:11:03,097 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-07 14:11:03,097 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-07 14:11:03,098 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:11:03,098 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-07 14:11:03,098 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-07 14:11:03,098 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-07 14:11:03,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-07 14:11:03,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2019-10-07 14:11:03,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2019-10-07 14:11:03,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2019-10-07 14:11:03,099 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-07 14:11:03,099 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-07 14:11:03,099 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-07 14:11:03,100 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-07 14:11:03,100 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-07 14:11:03,100 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-07 14:11:03,100 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-07 14:11:03,100 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-07 14:11:03,101 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 14:11:03,101 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-07 14:11:03,101 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-07 14:11:03,101 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-07 14:11:03,101 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 14:11:03,101 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-07 14:11:03,102 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:11:03,102 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 14:11:03,102 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:11:03,102 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-07 14:11:03,102 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-07 14:11:03,103 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-07 14:11:03,103 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-07 14:11:03,103 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-07 14:11:03,103 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-07 14:11:03,103 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-07 14:11:03,103 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-07 14:11:03,104 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:11:03,104 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:11:03,104 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:11:03,104 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:11:03,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:11:03,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:11:03,105 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:11:03,105 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:11:03,105 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:11:03,105 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:11:03,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:11:03,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:11:03,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:11:03,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:11:03,106 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:11:03,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:11:03,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:11:03,107 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:11:03,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:11:03,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:11:03,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:11:03,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:11:03,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:11:03,108 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:11:03,108 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:11:03,108 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-07 14:11:03,108 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-07 14:11:03,109 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-07 14:11:03,109 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-07 14:11:03,109 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-07 14:11:03,109 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-07 14:11:03,109 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-07 14:11:03,109 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-07 14:11:03,110 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-07 14:11:03,110 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 14:11:03,110 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-07 14:11:03,110 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-07 14:11:03,110 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-07 14:11:03,110 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-07 14:11:03,110 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-07 14:11:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-07 14:11:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-07 14:11:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-07 14:11:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-07 14:11:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-07 14:11:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-07 14:11:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-07 14:11:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-07 14:11:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-07 14:11:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-07 14:11:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-07 14:11:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-07 14:11:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-07 14:11:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-07 14:11:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-07 14:11:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-07 14:11:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-07 14:11:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-07 14:11:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-07 14:11:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-07 14:11:03,114 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-07 14:11:03,114 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-07 14:11:03,114 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-07 14:11:03,114 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-07 14:11:03,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2019-10-07 14:11:03,114 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-07 14:11:03,115 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-07 14:11:03,115 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-07 14:11:03,115 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-07 14:11:03,115 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-07 14:11:03,115 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-07 14:11:03,115 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-07 14:11:03,116 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 14:11:03,116 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:11:03,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-07 14:11:03,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2019-10-07 14:11:03,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2019-10-07 14:11:03,116 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-07 14:11:03,116 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-07 14:11:03,117 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-07 14:11:03,117 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-07 14:11:03,117 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-07 14:11:03,117 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-07 14:11:03,117 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-07 14:11:03,117 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-07 14:11:03,117 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-07 14:11:03,118 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-07 14:11:03,118 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 14:11:03,118 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-07 14:11:03,118 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:11:03,118 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 14:11:03,118 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:11:03,118 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:11:03,119 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:11:03,119 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:11:03,119 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-07 14:11:03,119 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:11:03,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:11:03,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:11:03,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:11:07,837 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:11:07,838 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-07 14:11:07,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:11:07 BoogieIcfgContainer [2019-10-07 14:11:07,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:11:07,841 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:11:07,841 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:11:07,845 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:11:07,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:11:01" (1/3) ... [2019-10-07 14:11:07,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bd31dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:11:07, skipping insertion in model container [2019-10-07 14:11:07,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:11:02" (2/3) ... [2019-10-07 14:11:07,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bd31dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:11:07, skipping insertion in model container [2019-10-07 14:11:07,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:11:07" (3/3) ... [2019-10-07 14:11:07,849 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product31.cil.c [2019-10-07 14:11:07,859 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:11:07,924 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:11:07,934 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:11:07,969 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:11:07,969 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:11:07,969 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:11:07,969 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:11:07,969 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:11:07,969 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:11:07,970 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:11:07,970 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:11:08,021 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states. [2019-10-07 14:11:08,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-07 14:11:08,055 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:11:08,057 INFO L385 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:11:08,061 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:11:08,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:11:08,071 INFO L82 PathProgramCache]: Analyzing trace with hash -1452797579, now seen corresponding path program 1 times [2019-10-07 14:11:08,080 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:11:08,082 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:11:08,083 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:11:08,083 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:11:08,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:11:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:11:08,828 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 14:11:08,828 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:11:08,829 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:11:08,829 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:11:08,833 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:11:08,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:11:08,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:11:08,851 INFO L87 Difference]: Start difference. First operand 602 states. Second operand 2 states. [2019-10-07 14:11:08,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:11:08,925 INFO L93 Difference]: Finished difference Result 511 states and 751 transitions. [2019-10-07 14:11:08,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:11:08,926 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 135 [2019-10-07 14:11:08,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:11:08,952 INFO L225 Difference]: With dead ends: 511 [2019-10-07 14:11:08,952 INFO L226 Difference]: Without dead ends: 477 [2019-10-07 14:11:08,957 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 14:11:08,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2019-10-07 14:11:09,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 477. [2019-10-07 14:11:09,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2019-10-07 14:11:09,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 700 transitions. [2019-10-07 14:11:09,060 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 700 transitions. Word has length 135 [2019-10-07 14:11:09,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:11:09,063 INFO L462 AbstractCegarLoop]: Abstraction has 477 states and 700 transitions. [2019-10-07 14:11:09,063 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:11:09,063 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 700 transitions. [2019-10-07 14:11:09,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-07 14:11:09,071 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:11:09,072 INFO L385 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:11:09,072 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:11:09,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:11:09,073 INFO L82 PathProgramCache]: Analyzing trace with hash -4130734, now seen corresponding path program 1 times [2019-10-07 14:11:09,073 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:11:09,073 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:11:09,073 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:11:09,074 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:11:09,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:11:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:11:09,523 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 14:11:09,524 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:11:09,524 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:11:09,524 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 14:11:09,526 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 14:11:09,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 14:11:09,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 14:11:09,527 INFO L87 Difference]: Start difference. First operand 477 states and 700 transitions. Second operand 7 states. [2019-10-07 14:11:13,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:11:13,773 INFO L93 Difference]: Finished difference Result 1336 states and 2011 transitions. [2019-10-07 14:11:13,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-07 14:11:13,774 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 136 [2019-10-07 14:11:13,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:11:13,795 INFO L225 Difference]: With dead ends: 1336 [2019-10-07 14:11:13,795 INFO L226 Difference]: Without dead ends: 912 [2019-10-07 14:11:13,802 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2019-10-07 14:11:13,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2019-10-07 14:11:13,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 887. [2019-10-07 14:11:13,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 887 states. [2019-10-07 14:11:13,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1330 transitions. [2019-10-07 14:11:13,909 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1330 transitions. Word has length 136 [2019-10-07 14:11:13,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:11:13,920 INFO L462 AbstractCegarLoop]: Abstraction has 887 states and 1330 transitions. [2019-10-07 14:11:13,920 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 14:11:13,920 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1330 transitions. [2019-10-07 14:11:13,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-07 14:11:13,928 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:11:13,929 INFO L385 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:11:13,929 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:11:13,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:11:13,929 INFO L82 PathProgramCache]: Analyzing trace with hash 921546809, now seen corresponding path program 1 times [2019-10-07 14:11:13,930 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:11:13,930 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:11:13,930 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:11:13,930 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:11:13,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:11:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:11:14,255 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 14:11:14,255 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:11:14,255 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:11:14,256 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 14:11:14,257 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 14:11:14,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 14:11:14,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-07 14:11:14,258 INFO L87 Difference]: Start difference. First operand 887 states and 1330 transitions. Second operand 6 states. [2019-10-07 14:11:14,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:11:14,988 INFO L93 Difference]: Finished difference Result 926 states and 1386 transitions. [2019-10-07 14:11:14,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 14:11:14,988 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 140 [2019-10-07 14:11:14,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:11:15,000 INFO L225 Difference]: With dead ends: 926 [2019-10-07 14:11:15,000 INFO L226 Difference]: Without dead ends: 909 [2019-10-07 14:11:15,002 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-10-07 14:11:15,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2019-10-07 14:11:15,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 891. [2019-10-07 14:11:15,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 891 states. [2019-10-07 14:11:15,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 891 states and 1334 transitions. [2019-10-07 14:11:15,078 INFO L78 Accepts]: Start accepts. Automaton has 891 states and 1334 transitions. Word has length 140 [2019-10-07 14:11:15,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:11:15,080 INFO L462 AbstractCegarLoop]: Abstraction has 891 states and 1334 transitions. [2019-10-07 14:11:15,080 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 14:11:15,080 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1334 transitions. [2019-10-07 14:11:15,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-10-07 14:11:15,085 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:11:15,085 INFO L385 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:11:15,086 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:11:15,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:11:15,086 INFO L82 PathProgramCache]: Analyzing trace with hash -1929054002, now seen corresponding path program 1 times [2019-10-07 14:11:15,086 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:11:15,087 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:11:15,087 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:11:15,087 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:11:15,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:11:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:11:15,362 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 14:11:15,363 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:11:15,363 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:11:15,363 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-07 14:11:15,364 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 14:11:15,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 14:11:15,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-07 14:11:15,366 INFO L87 Difference]: Start difference. First operand 891 states and 1334 transitions. Second operand 8 states. [2019-10-07 14:11:15,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:11:15,494 INFO L93 Difference]: Finished difference Result 912 states and 1360 transitions. [2019-10-07 14:11:15,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-07 14:11:15,495 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 145 [2019-10-07 14:11:15,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:11:15,503 INFO L225 Difference]: With dead ends: 912 [2019-10-07 14:11:15,503 INFO L226 Difference]: Without dead ends: 895 [2019-10-07 14:11:15,505 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-07 14:11:15,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2019-10-07 14:11:15,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 891. [2019-10-07 14:11:15,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 891 states. [2019-10-07 14:11:15,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 891 states and 1332 transitions. [2019-10-07 14:11:15,556 INFO L78 Accepts]: Start accepts. Automaton has 891 states and 1332 transitions. Word has length 145 [2019-10-07 14:11:15,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:11:15,557 INFO L462 AbstractCegarLoop]: Abstraction has 891 states and 1332 transitions. [2019-10-07 14:11:15,557 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 14:11:15,557 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1332 transitions. [2019-10-07 14:11:15,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-07 14:11:15,562 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:11:15,562 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:11:15,562 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:11:15,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:11:15,563 INFO L82 PathProgramCache]: Analyzing trace with hash -616685527, now seen corresponding path program 1 times [2019-10-07 14:11:15,563 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:11:15,563 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:11:15,563 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:11:15,563 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:11:15,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:11:15,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:11:16,626 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:11:16,626 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:11:16,626 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:11:16,627 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 14:11:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:11:17,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 3298 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-07 14:11:17,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:11:17,405 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:11:17,550 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 14:11:17,550 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:11:17,949 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:11:18,220 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 14:11:18,220 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 14:11:18,221 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [32] total 37 [2019-10-07 14:11:18,222 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 14:11:18,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 14:11:18,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=1229, Unknown=0, NotChecked=0, Total=1332 [2019-10-07 14:11:18,223 INFO L87 Difference]: Start difference. First operand 891 states and 1332 transitions. Second operand 7 states. [2019-10-07 14:11:18,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:11:18,318 INFO L93 Difference]: Finished difference Result 934 states and 1386 transitions. [2019-10-07 14:11:18,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 14:11:18,319 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 160 [2019-10-07 14:11:18,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:11:18,327 INFO L225 Difference]: With dead ends: 934 [2019-10-07 14:11:18,327 INFO L226 Difference]: Without dead ends: 917 [2019-10-07 14:11:18,329 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 328 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=107, Invalid=1299, Unknown=0, NotChecked=0, Total=1406 [2019-10-07 14:11:18,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2019-10-07 14:11:18,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 903. [2019-10-07 14:11:18,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 903 states. [2019-10-07 14:11:18,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1344 transitions. [2019-10-07 14:11:18,386 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1344 transitions. Word has length 160 [2019-10-07 14:11:18,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:11:18,387 INFO L462 AbstractCegarLoop]: Abstraction has 903 states and 1344 transitions. [2019-10-07 14:11:18,387 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 14:11:18,387 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1344 transitions. [2019-10-07 14:11:18,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-10-07 14:11:18,393 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:11:18,394 INFO L385 BasicCegarLoop]: trace histogram [7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:11:18,603 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:11:18,604 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:11:18,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:11:18,604 INFO L82 PathProgramCache]: Analyzing trace with hash -252326484, now seen corresponding path program 1 times [2019-10-07 14:11:18,605 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:11:18,605 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:11:18,605 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:11:18,605 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:11:18,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:11:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:11:19,206 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-10-07 14:11:19,206 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:11:19,207 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:11:19,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:11:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:11:19,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 3362 conjuncts, 41 conjunts are in the unsatisfiable core [2019-10-07 14:11:19,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:11:19,993 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 38 [2019-10-07 14:11:20,529 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-10-07 14:11:20,530 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:11:20,696 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2019-10-07 14:11:21,003 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 12 [2019-10-07 14:12:14,456 WARN L191 SmtUtils]: Spent 52.97 s on a formula simplification. DAG size of input: 1441 DAG size of output: 51 [2019-10-07 14:12:15,258 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:12:15,732 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:12:16,207 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:12:16,295 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:16,652 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:12:17,132 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-10-07 14:12:17,206 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:17,237 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:17,244 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:17,250 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:17,260 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:17,277 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:12:17,436 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2019-10-07 14:12:17,727 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 12 [2019-10-07 14:12:17,842 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-10-07 14:13:08,942 WARN L191 SmtUtils]: Spent 50.75 s on a formula simplification. DAG size of input: 1457 DAG size of output: 51 [2019-10-07 14:13:59,245 WARN L191 SmtUtils]: Spent 49.46 s on a formula simplification. DAG size of input: 1441 DAG size of output: 51 [2019-10-07 14:13:59,564 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:13:59,565 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:13:59,565 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:13:59,566 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:14:49,488 WARN L191 SmtUtils]: Spent 49.47 s on a formula simplification. DAG size of input: 1441 DAG size of output: 51 [2019-10-07 14:14:49,556 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:14:49,557 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:14:49,558 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:14:49,558 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:14:49,936 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2019-10-07 14:14:50,203 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 12 [2019-10-07 14:14:50,245 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:14:50,246 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:14:50,247 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:14:50,247 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:14:50,248 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:14:50,249 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 14:14:50,312 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-10-07 14:14:50,312 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:14:50,339 INFO L162 IcfgInterpreter]: Started Sifa with 152 locations of interest [2019-10-07 14:14:50,339 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:14:50,347 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:14:50,355 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:14:50,355 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:15:36,396 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 764 [2019-10-07 14:15:41,159 WARN L191 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 405 DAG size of output: 327 [2019-10-07 14:15:41,595 WARN L191 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 850 [2019-10-07 14:15:41,974 WARN L191 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 850 [2019-10-07 14:15:42,295 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 850 [2019-10-07 14:15:42,836 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:15:43,303 WARN L191 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:15:43,766 WARN L191 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:15:44,314 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:15:45,239 WARN L191 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 1042 DAG size of output: 1040 [2019-10-07 14:15:45,718 WARN L191 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:15:46,246 WARN L191 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:15:46,693 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:15:47,151 WARN L191 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:15:47,647 WARN L191 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 1040 [2019-10-07 14:15:47,666 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 391 for LOIs [2019-10-07 14:15:47,973 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 733 [2019-10-07 14:15:48,081 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 733 [2019-10-07 14:15:48,540 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 923 [2019-10-07 14:15:48,542 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1090 for LOIs [2019-10-07 14:15:48,975 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:49,406 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:49,526 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:15:50,275 WARN L191 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:15:50,732 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:51,169 WARN L191 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:51,289 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:15:52,033 WARN L191 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:15:52,737 WARN L191 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:53,181 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:53,380 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:15:54,124 WARN L191 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:15:54,955 WARN L191 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 1262 DAG size of output: 1090 [2019-10-07 14:15:55,408 WARN L191 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:55,545 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:15:56,286 WARN L191 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:15:56,740 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:57,179 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:57,298 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:15:58,038 WARN L191 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:15:58,484 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:58,929 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:15:59,048 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:15:59,788 WARN L191 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:00,245 WARN L191 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:16:00,685 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:16:00,803 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:16:01,549 WARN L191 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:01,988 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:16:02,435 WARN L191 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:16:02,555 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:16:03,300 WARN L191 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:03,734 WARN L191 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:16:04,170 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:16:04,290 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:16:05,046 WARN L191 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:05,489 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:16:05,929 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:16:06,047 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:16:06,796 WARN L191 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:07,241 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:16:07,685 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:16:07,805 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:16:08,542 WARN L191 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:08,996 WARN L191 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:16:09,430 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:16:09,548 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:16:10,291 WARN L191 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:10,731 WARN L191 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:16:11,175 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:16:11,298 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:16:12,037 WARN L191 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:13,483 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:14,231 WARN L191 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:14,373 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:16:15,115 WARN L191 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:16,652 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:16:17,391 WARN L191 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:17,530 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:16:18,272 WARN L191 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:19,014 WARN L191 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:19,770 WARN L191 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:19,887 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:16:20,634 WARN L191 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:21,953 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:16:22,694 WARN L191 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:16:22,820 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:16:23,564 WARN L191 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:16:24,969 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1264 [2019-10-07 14:16:25,720 WARN L191 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:16:25,852 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:16:26,601 WARN L191 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:16:27,936 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1264 [2019-10-07 14:16:28,693 WARN L191 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:16:28,814 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:16:29,566 WARN L191 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:16:30,306 WARN L191 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:16:31,054 WARN L191 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:16:31,176 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:16:31,920 WARN L191 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:16:32,664 WARN L191 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:16:33,409 WARN L191 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:16:33,535 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:16:34,293 WARN L191 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 14:16:35,381 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:16:36,133 WARN L191 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:16:36,265 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:16:37,012 WARN L191 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 14:16:38,353 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1268 DAG size of output: 1264 [2019-10-07 14:16:39,097 WARN L191 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:16:39,243 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:16:39,985 WARN L191 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 14:16:40,726 WARN L191 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:16:41,481 WARN L191 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:16:41,601 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:16:42,342 WARN L191 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 14:16:43,683 WARN L191 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:16:44,432 WARN L191 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:44,556 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:16:45,297 WARN L191 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:46,645 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:16:47,388 WARN L191 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:47,512 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:16:48,256 WARN L191 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:48,999 WARN L191 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:49,744 WARN L191 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:49,864 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:16:50,606 WARN L191 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:16:51,959 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1264 [2019-10-07 14:16:52,704 WARN L191 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:16:52,833 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:16:53,576 WARN L191 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:16:54,911 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1264 [2019-10-07 14:16:55,650 WARN L191 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:16:55,782 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:16:56,529 WARN L191 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:16:57,862 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1264 [2019-10-07 14:16:58,603 WARN L191 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:16:58,722 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:16:59,477 WARN L191 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:17:00,808 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1262 [2019-10-07 14:17:01,559 WARN L191 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:17:01,712 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:17:02,463 WARN L191 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:17:03,795 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1268 DAG size of output: 1264 [2019-10-07 14:17:04,545 WARN L191 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:17:04,671 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:17:05,421 WARN L191 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 14:17:06,790 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:17:07,532 WARN L191 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:07,658 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:17:08,400 WARN L191 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:09,753 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:17:10,493 WARN L191 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:10,625 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:17:11,364 WARN L191 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:12,114 WARN L191 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:12,845 WARN L191 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:12,962 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:17:13,708 WARN L191 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:15,074 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:17:15,814 WARN L191 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:15,936 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:17:16,693 WARN L191 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:18,014 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:17:18,770 WARN L191 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:18,892 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:17:19,626 WARN L191 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:20,965 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:17:21,699 WARN L191 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:21,833 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:17:22,569 WARN L191 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:23,890 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:17:24,625 WARN L191 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:24,748 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:17:25,484 WARN L191 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:26,223 WARN L191 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:26,967 WARN L191 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:27,084 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:17:27,823 WARN L191 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:28,596 WARN L191 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:17:29,340 WARN L191 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:17:29,466 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:17:30,205 WARN L191 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:17:30,962 WARN L191 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:17:31,708 WARN L191 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:17:31,833 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:17:32,586 WARN L191 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:17:33,328 WARN L191 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:17:34,072 WARN L191 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:17:34,193 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:17:34,940 WARN L191 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:17:36,203 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1271 DAG size of output: 1264 [2019-10-07 14:17:36,972 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:17:37,098 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:17:37,855 WARN L191 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:17:39,120 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 1273 DAG size of output: 1266 [2019-10-07 14:17:39,870 WARN L191 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 14:17:40,011 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:17:40,760 WARN L191 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 14:17:42,103 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:17:42,856 WARN L191 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:42,980 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:17:43,722 WARN L191 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:45,044 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:17:45,778 WARN L191 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:45,917 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:17:46,659 WARN L191 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:47,409 WARN L191 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:48,161 WARN L191 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:48,280 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:17:49,022 WARN L191 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:49,801 WARN L191 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:17:50,549 WARN L191 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:17:50,680 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:17:51,426 WARN L191 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:17:52,790 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1262 [2019-10-07 14:17:53,539 WARN L191 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:17:53,665 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:17:54,414 WARN L191 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:17:55,758 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:17:56,501 WARN L191 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:56,626 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:17:57,362 WARN L191 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:58,718 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:17:59,463 WARN L191 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:17:59,587 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:18:00,326 WARN L191 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:18:01,067 WARN L191 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:18:01,817 WARN L191 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:18:01,935 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:18:02,691 WARN L191 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:18:04,251 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1262 [2019-10-07 14:18:05,003 WARN L191 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:18:05,129 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:18:05,890 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:18:07,239 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1262 [2019-10-07 14:18:07,999 WARN L191 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:18:08,125 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:18:08,882 WARN L191 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:18:10,218 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1264 DAG size of output: 1262 [2019-10-07 14:18:10,968 WARN L191 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:18:11,089 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:18:11,848 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:18:13,192 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1262 [2019-10-07 14:18:13,943 WARN L191 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:18:14,068 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:18:14,826 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:18:16,177 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:18:16,925 WARN L191 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:18:17,052 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:18:17,813 WARN L191 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:18:19,157 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:18:19,903 WARN L191 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:18:20,027 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:18:20,778 WARN L191 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:18:21,529 WARN L191 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:18:22,276 WARN L191 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:18:22,396 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:18:23,141 WARN L191 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:18:24,529 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1264 [2019-10-07 14:18:25,281 WARN L191 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:18:25,406 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:18:26,157 WARN L191 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:18:27,514 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1264 [2019-10-07 14:18:28,267 WARN L191 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:18:28,404 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:18:29,159 WARN L191 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:18:30,510 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1264 [2019-10-07 14:18:31,261 WARN L191 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:18:31,381 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:18:32,134 WARN L191 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:18:33,488 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1262 [2019-10-07 14:18:34,236 WARN L191 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:18:34,370 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:18:35,124 WARN L191 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:18:36,474 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1268 DAG size of output: 1264 [2019-10-07 14:18:37,226 WARN L191 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:18:37,353 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:18:38,111 WARN L191 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 14:18:39,481 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1268 DAG size of output: 1264 [2019-10-07 14:18:40,234 WARN L191 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:18:40,360 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:18:41,113 WARN L191 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 14:18:42,454 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1268 DAG size of output: 1264 [2019-10-07 14:18:43,203 WARN L191 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 14:18:43,329 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 14:18:44,093 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 14:18:44,100 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 1116 for LOIs [2019-10-07 14:18:44,582 WARN L191 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 14:18:45,070 WARN L191 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 14:18:45,191 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:18:45,940 WARN L191 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:18:46,474 WARN L191 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:18:46,976 WARN L191 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:18:47,097 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:18:47,843 WARN L191 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:18:48,772 WARN L191 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 1262 DAG size of output: 1126 [2019-10-07 14:18:49,278 WARN L191 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:18:49,402 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:18:50,151 WARN L191 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:18:50,673 WARN L191 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:18:51,174 WARN L191 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:18:51,296 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:18:52,040 WARN L191 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:18:52,541 WARN L191 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:18:53,045 WARN L191 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:18:53,164 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:18:53,915 WARN L191 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:18:54,430 WARN L191 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:18:54,937 WARN L191 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:18:55,058 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 14:18:55,807 WARN L191 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:18:56,081 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:18:56,082 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 14:18:56,089 INFO L168 Benchmark]: Toolchain (without parser) took 474360.93 ms. Allocated memory was 142.6 MB in the beginning and 2.8 GB in the end (delta: 2.7 GB). Free memory was 97.3 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 992.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:18:56,089 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 142.6 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 14:18:56,090 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1087.41 ms. Allocated memory was 142.6 MB in the beginning and 200.3 MB in the end (delta: 57.7 MB). Free memory was 97.1 MB in the beginning and 136.8 MB in the end (delta: -39.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. [2019-10-07 14:18:56,091 INFO L168 Benchmark]: Boogie Preprocessor took 197.40 ms. Allocated memory is still 200.3 MB. Free memory was 136.8 MB in the beginning and 127.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-10-07 14:18:56,092 INFO L168 Benchmark]: RCFGBuilder took 4825.10 ms. Allocated memory was 200.3 MB in the beginning and 312.5 MB in the end (delta: 112.2 MB). Free memory was 127.2 MB in the beginning and 70.3 MB in the end (delta: 56.9 MB). Peak memory consumption was 169.1 MB. Max. memory is 7.1 GB. [2019-10-07 14:18:56,097 INFO L168 Benchmark]: TraceAbstraction took 468246.45 ms. Allocated memory was 312.5 MB in the beginning and 2.8 GB in the end (delta: 2.5 GB). Free memory was 70.3 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 795.4 MB. Max. memory is 7.1 GB. [2019-10-07 14:18:56,107 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 142.6 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1087.41 ms. Allocated memory was 142.6 MB in the beginning and 200.3 MB in the end (delta: 57.7 MB). Free memory was 97.1 MB in the beginning and 136.8 MB in the end (delta: -39.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 197.40 ms. Allocated memory is still 200.3 MB. Free memory was 136.8 MB in the beginning and 127.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4825.10 ms. Allocated memory was 200.3 MB in the beginning and 312.5 MB in the end (delta: 112.2 MB). Free memory was 127.2 MB in the beginning and 70.3 MB in the end (delta: 56.9 MB). Peak memory consumption was 169.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 468246.45 ms. Allocated memory was 312.5 MB in the beginning and 2.8 GB in the end (delta: 2.5 GB). Free memory was 70.3 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 795.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee initPersonOnFloor de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee initPersonOnFloor: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...