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 -i ../../../trunk/examples/svcomp/product-lines/elevator_spec2_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:21:19,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:21:19,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:21:19,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:21:19,466 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:21:19,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:21:19,469 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:21:19,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:21:19,472 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:21:19,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:21:19,474 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:21:19,476 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:21:19,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:21:19,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:21:19,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:21:19,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:21:19,480 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:21:19,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:21:19,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:21:19,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:21:19,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:21:19,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:21:19,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:21:19,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:21:19,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:21:19,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:21:19,491 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:21:19,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:21:19,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:21:19,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:21:19,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:21:19,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:21:19,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:21:19,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:21:19,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:21:19,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:21:19,497 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:21:19,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:21:19,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:21:19,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:21:19,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:21:19,500 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 [2019-10-14 23:21:19,514 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:21:19,514 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:21:19,515 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:21:19,515 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:21:19,516 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:21:19,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:21:19,516 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:21:19,516 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:21:19,516 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:21:19,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:21:19,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:21:19,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:21:19,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:21:19,517 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:21:19,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:21:19,518 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:21:19,518 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:21:19,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:21:19,518 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:21:19,519 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:21:19,519 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:21:19,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:21:19,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:21:19,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:21:19,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:21:19,520 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:21:19,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:21:19,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:21:19,520 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:21:19,815 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:21:19,831 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:21:19,835 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:21:19,836 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:21:19,836 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:21:19,837 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product29.cil.c [2019-10-14 23:21:19,909 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e5b9e9cd/8ee7e011d1aa46788549259482bc2e5c/FLAG5e8f21a1a [2019-10-14 23:21:20,562 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:21:20,562 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product29.cil.c [2019-10-14 23:21:20,585 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e5b9e9cd/8ee7e011d1aa46788549259482bc2e5c/FLAG5e8f21a1a [2019-10-14 23:21:20,728 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e5b9e9cd/8ee7e011d1aa46788549259482bc2e5c [2019-10-14 23:21:20,739 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:21:20,740 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:21:20,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:21:20,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:21:20,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:21:20,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:21:20" (1/1) ... [2019-10-14 23:21:20,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33ab95e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:20, skipping insertion in model container [2019-10-14 23:21:20,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:21:20" (1/1) ... [2019-10-14 23:21:20,756 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:21:20,846 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:21:21,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:21:21,560 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:21:21,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:21:21,789 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:21:21,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:21 WrapperNode [2019-10-14 23:21:21,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:21:21,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:21:21,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:21:21,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:21:21,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:21" (1/1) ... [2019-10-14 23:21:21,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:21" (1/1) ... [2019-10-14 23:21:21,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:21" (1/1) ... [2019-10-14 23:21:21,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:21" (1/1) ... [2019-10-14 23:21:21,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:21" (1/1) ... [2019-10-14 23:21:21,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:21" (1/1) ... [2019-10-14 23:21:21,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:21" (1/1) ... [2019-10-14 23:21:22,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:21:22,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:21:22,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:21:22,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:21:22,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:21" (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 [2019-10-14 23:21:22,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:21:22,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:21:22,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:21:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-14 23:21:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-14 23:21:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-14 23:21:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-14 23:21:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-14 23:21:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-14 23:21:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-14 23:21:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-14 23:21:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:21:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:21:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-14 23:21:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-14 23:21:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-14 23:21:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-14 23:21:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-14 23:21:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-14 23:21:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-14 23:21:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-14 23:21:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-14 23:21:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-14 23:21:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-14 23:21:22,090 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-14 23:21:22,090 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-14 23:21:22,090 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-14 23:21:22,090 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-14 23:21:22,091 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-14 23:21:22,091 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-14 23:21:22,091 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-14 23:21:22,091 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-14 23:21:22,091 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-14 23:21:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-14 23:21:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-14 23:21:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-14 23:21:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-14 23:21:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-14 23:21:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:21:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-14 23:21:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-14 23:21:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:21:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:21:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:21:22,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:21:22,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:21:22,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:21:22,094 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-14 23:21:22,094 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-14 23:21:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-14 23:21:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-14 23:21:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-14 23:21:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-14 23:21:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-14 23:21:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-14 23:21:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:21:22,096 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-14 23:21:22,096 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-14 23:21:22,096 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-14 23:21:22,096 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:21:22,096 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-14 23:21:22,096 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:21:22,096 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:21:22,096 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:21:22,097 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-14 23:21:22,097 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-14 23:21:22,097 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-14 23:21:22,097 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-14 23:21:22,097 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-14 23:21:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-14 23:21:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-14 23:21:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2019-10-14 23:21:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2019-10-14 23:21:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:21:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:21:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:21:22,099 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:21:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:21:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:21:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-14 23:21:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-14 23:21:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-14 23:21:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-14 23:21:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-14 23:21:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-14 23:21:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-14 23:21:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-14 23:21:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:21:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-14 23:21:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:21:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:21:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:21:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-14 23:21:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-14 23:21:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-14 23:21:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:21:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-14 23:21:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-14 23:21:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-14 23:21:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-14 23:21:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-14 23:21:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-14 23:21:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-14 23:21:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-14 23:21:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-14 23:21:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-14 23:21:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-14 23:21:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-14 23:21:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-14 23:21:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-14 23:21:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-14 23:21:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-14 23:21:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-14 23:21:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-14 23:21:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-14 23:21:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-14 23:21:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-14 23:21:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-14 23:21:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-14 23:21:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-14 23:21:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-14 23:21:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-14 23:21:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2019-10-14 23:21:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:21:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-14 23:21:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:21:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:21:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:21:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:21:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:21:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:21:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:21:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:21:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:21:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:21:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:21:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:21:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:21:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:21:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:21:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:21:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 23:21:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-14 23:21:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-14 23:21:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-14 23:21:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-14 23:21:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-14 23:21:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-14 23:21:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-14 23:21:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-14 23:21:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-14 23:21:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-14 23:21:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-14 23:21:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:21:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-14 23:21:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:21:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-14 23:21:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2019-10-14 23:21:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:21:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:21:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:21:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:21:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:21:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-14 23:21:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-14 23:21:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:21:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:21:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:21:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:21:24,296 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:21:24,296 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-14 23:21:24,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:21:24 BoogieIcfgContainer [2019-10-14 23:21:24,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:21:24,300 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:21:24,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:21:24,305 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:21:24,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:21:20" (1/3) ... [2019-10-14 23:21:24,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30079814 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:21:24, skipping insertion in model container [2019-10-14 23:21:24,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:21" (2/3) ... [2019-10-14 23:21:24,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30079814 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:21:24, skipping insertion in model container [2019-10-14 23:21:24,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:21:24" (3/3) ... [2019-10-14 23:21:24,310 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product29.cil.c [2019-10-14 23:21:24,319 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:21:24,330 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:21:24,342 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:21:24,396 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:21:24,396 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:21:24,396 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:21:24,396 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:21:24,396 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:21:24,397 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:21:24,397 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:21:24,397 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:21:24,432 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states. [2019-10-14 23:21:24,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-10-14 23:21:24,456 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:21:24,457 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-14 23:21:24,460 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:21:24,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:21:24,466 INFO L82 PathProgramCache]: Analyzing trace with hash -1653197611, now seen corresponding path program 1 times [2019-10-14 23:21:24,475 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:21:24,475 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766363256] [2019-10-14 23:21:24,475 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:24,476 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:24,476 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:21:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,035 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 388 [2019-10-14 23:21:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,333 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-14 23:21:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:27,117 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-14 23:21:27,118 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766363256] [2019-10-14 23:21:27,119 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:21:27,119 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-10-14 23:21:27,119 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368748872] [2019-10-14 23:21:27,124 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-10-14 23:21:27,125 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:21:27,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-10-14 23:21:27,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2019-10-14 23:21:27,142 INFO L87 Difference]: Start difference. First operand 789 states. Second operand 16 states. [2019-10-14 23:21:28,762 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-14 23:21:29,798 WARN L191 SmtUtils]: Spent 889.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:21:30,714 WARN L191 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2019-10-14 23:21:33,831 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-10-14 23:21:34,840 WARN L191 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:21:36,710 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:21:38,098 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-10-14 23:21:39,339 WARN L191 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-10-14 23:21:40,923 WARN L191 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:21:41,108 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-10-14 23:21:42,199 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:21:42,354 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-10-14 23:21:43,838 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-14 23:21:51,989 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 124