/usr/bin/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_spec9_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:36:07,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:36:07,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:36:07,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:36:07,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:36:07,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:36:07,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:36:07,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:36:07,247 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:36:07,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:36:07,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:36:07,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:36:07,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:36:07,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:36:07,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:36:07,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:36:07,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:36:07,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:36:07,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:36:07,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:36:07,259 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:36:07,261 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:36:07,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:36:07,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:36:07,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:36:07,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:36:07,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:36:07,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:36:07,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:36:07,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:36:07,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:36:07,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:36:07,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:36:07,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:36:07,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:36:07,271 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:36:07,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:36:07,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:36:07,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:36:07,273 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:36:07,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:36:07,274 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 [2019-11-06 21:36:07,288 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:36:07,288 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:36:07,290 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:36:07,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:36:07,290 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:36:07,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:36:07,290 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:36:07,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:36:07,291 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:36:07,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:36:07,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:36:07,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:36:07,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:36:07,292 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:36:07,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:36:07,292 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:36:07,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:36:07,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:36:07,293 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:36:07,293 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:36:07,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:36:07,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:36:07,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:36:07,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:36:07,294 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:36:07,294 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:36:07,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:36:07,295 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:36:07,295 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:36:07,575 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:36:07,597 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:36:07,602 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:36:07,603 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:36:07,604 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:36:07,605 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec9_product29.cil.c [2019-11-06 21:36:07,678 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05270148c/84eef5c8619348ed841fe3e016492f88/FLAG2ca99b878 [2019-11-06 21:36:08,364 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:36:08,364 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec9_product29.cil.c [2019-11-06 21:36:08,383 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05270148c/84eef5c8619348ed841fe3e016492f88/FLAG2ca99b878 [2019-11-06 21:36:08,523 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05270148c/84eef5c8619348ed841fe3e016492f88 [2019-11-06 21:36:08,531 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:36:08,533 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:36:08,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:36:08,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:36:08,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:36:08,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:36:08" (1/1) ... [2019-11-06 21:36:08,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16eebeb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:08, skipping insertion in model container [2019-11-06 21:36:08,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:36:08" (1/1) ... [2019-11-06 21:36:08,549 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:36:08,630 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:36:09,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:36:09,420 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:36:09,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:36:09,596 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:36:09,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:09 WrapperNode [2019-11-06 21:36:09,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:36:09,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:36:09,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:36:09,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:36:09,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:09" (1/1) ... [2019-11-06 21:36:09,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:09" (1/1) ... [2019-11-06 21:36:09,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:09" (1/1) ... [2019-11-06 21:36:09,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:09" (1/1) ... [2019-11-06 21:36:09,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:09" (1/1) ... [2019-11-06 21:36:09,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:09" (1/1) ... [2019-11-06 21:36:09,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:09" (1/1) ... [2019-11-06 21:36:09,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:36:09,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:36:09,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:36:09,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:36:09,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:09" (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 [2019-11-06 21:36:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:36:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:36:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:36:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:36:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:36:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__1 [2019-11-06 21:36:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__2 [2019-11-06 21:36:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__3 [2019-11-06 21:36:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__4 [2019-11-06 21:36:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-11-06 21:36:09,887 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-11-06 21:36:09,887 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-11-06 21:36:09,888 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-11-06 21:36:09,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-11-06 21:36:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-11-06 21:36:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-11-06 21:36:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-11-06 21:36:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-11-06 21:36:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-11-06 21:36:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-11-06 21:36:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-11-06 21:36:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-11-06 21:36:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-11-06 21:36:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-11-06 21:36:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-11-06 21:36:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-06 21:36:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-11-06 21:36:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-11-06 21:36:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-11-06 21:36:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-06 21:36:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-11-06 21:36:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:36:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-06 21:36:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:36:09,895 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-11-06 21:36:09,896 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-11-06 21:36:09,896 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:36:09,896 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:36:09,896 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:36:09,897 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:36:09,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:36:09,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:36:09,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:36:09,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:36:09,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:36:09,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:36:09,898 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-11-06 21:36:09,898 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-11-06 21:36:09,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-11-06 21:36:09,899 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-11-06 21:36:09,899 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-11-06 21:36:09,899 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-11-06 21:36:09,899 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-11-06 21:36:09,899 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-11-06 21:36:09,900 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-11-06 21:36:09,900 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-11-06 21:36:09,900 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-11-06 21:36:09,900 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-11-06 21:36:09,900 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-11-06 21:36:09,901 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-11-06 21:36:09,901 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-11-06 21:36:09,901 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-11-06 21:36:09,901 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-11-06 21:36:09,901 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-11-06 21:36:09,902 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-11-06 21:36:09,902 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-11-06 21:36:09,902 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-11-06 21:36:09,902 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-11-06 21:36:09,902 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-11-06 21:36:09,903 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-11-06 21:36:09,903 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-11-06 21:36:09,903 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-06 21:36:09,903 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-11-06 21:36:09,903 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-11-06 21:36:09,904 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-11-06 21:36:09,904 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-11-06 21:36:09,904 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-11-06 21:36:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:36:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:36:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-11-06 21:36:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-06 21:36:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:36:09,906 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:36:09,906 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-11-06 21:36:09,906 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-11-06 21:36:09,906 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-11-06 21:36:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__1 [2019-11-06 21:36:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__2 [2019-11-06 21:36:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__3 [2019-11-06 21:36:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__4 [2019-11-06 21:36:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-11-06 21:36:09,909 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-11-06 21:36:09,909 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-11-06 21:36:09,909 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-11-06 21:36:09,909 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-11-06 21:36:09,909 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-11-06 21:36:09,909 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-11-06 21:36:09,910 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-11-06 21:36:09,910 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 21:36:09,910 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-11-06 21:36:09,910 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-11-06 21:36:09,910 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-11-06 21:36:09,910 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-11-06 21:36:09,911 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-11-06 21:36:09,911 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-11-06 21:36:09,911 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-11-06 21:36:09,911 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-06 21:36:09,911 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-11-06 21:36:09,911 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-11-06 21:36:09,912 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-11-06 21:36:09,912 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-11-06 21:36:09,912 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-11-06 21:36:09,912 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-11-06 21:36:09,912 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-11-06 21:36:09,912 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-11-06 21:36:09,913 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-06 21:36:09,913 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-11-06 21:36:09,913 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:36:09,913 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-06 21:36:09,914 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:36:09,914 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:36:09,914 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:36:09,914 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:36:09,915 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-11-06 21:36:09,916 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-11-06 21:36:09,916 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-11-06 21:36:09,916 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:36:09,916 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:36:09,917 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:36:09,917 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:36:09,917 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:36:09,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:36:09,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:36:09,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:36:09,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:36:09,918 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:36:09,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:36:09,918 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:36:09,919 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:36:09,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:36:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:36:09,923 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:36:09,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:36:09,925 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:36:09,929 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:36:09,929 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-11-06 21:36:09,929 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-11-06 21:36:09,929 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-11-06 21:36:09,930 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-11-06 21:36:09,930 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-11-06 21:36:09,930 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-11-06 21:36:09,930 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-11-06 21:36:09,930 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-11-06 21:36:09,930 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-11-06 21:36:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-11-06 21:36:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-11-06 21:36:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-11-06 21:36:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-11-06 21:36:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-11-06 21:36:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-11-06 21:36:09,933 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-11-06 21:36:09,934 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-11-06 21:36:09,934 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-11-06 21:36:09,934 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-11-06 21:36:09,934 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-11-06 21:36:09,934 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-11-06 21:36:09,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:36:09,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:36:09,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:36:12,363 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:36:12,363 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-06 21:36:12,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:36:12 BoogieIcfgContainer [2019-11-06 21:36:12,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:36:12,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:36:12,366 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:36:12,370 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:36:12,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:36:08" (1/3) ... [2019-11-06 21:36:12,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c699a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:36:12, skipping insertion in model container [2019-11-06 21:36:12,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:09" (2/3) ... [2019-11-06 21:36:12,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c699a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:36:12, skipping insertion in model container [2019-11-06 21:36:12,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:36:12" (3/3) ... [2019-11-06 21:36:12,374 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product29.cil.c [2019-11-06 21:36:12,384 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:36:12,394 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:36:12,405 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:36:12,453 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:36:12,454 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:36:12,454 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:36:12,454 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:36:12,454 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:36:12,454 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:36:12,454 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:36:12,454 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:36:12,494 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states. [2019-11-06 21:36:12,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-11-06 21:36:12,529 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:36:12,531 INFO L410 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, 1, 1] [2019-11-06 21:36:12,533 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:36:12,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:36:12,539 INFO L82 PathProgramCache]: Analyzing trace with hash 998764860, now seen corresponding path program 1 times [2019-11-06 21:36:12,549 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:36:12,549 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263784663] [2019-11-06 21:36:12,549 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:36:12,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:14,104 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 388 [2019-11-06 21:36:14,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:14,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:14,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:14,382 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-06 21:36:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:14,610 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-11-06 21:36:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:15,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:15,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:15,157 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-06 21:36:15,157 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263784663] [2019-11-06 21:36:15,158 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:36:15,158 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-11-06 21:36:15,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028880308] [2019-11-06 21:36:15,163 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-06 21:36:15,164 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:36:15,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-06 21:36:15,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2019-11-06 21:36:15,178 INFO L87 Difference]: Start difference. First operand 780 states. Second operand 16 states. [2019-11-06 21:36:16,692 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-11-06 21:36:17,692 WARN L191 SmtUtils]: Spent 857.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-11-06 21:36:18,609 WARN L191 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2019-11-06 21:36:21,576 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-11-06 21:36:22,515 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-11-06 21:36:24,497 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-11-06 21:36:25,881 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-11-06 21:36:27,163 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-11-06 21:36:28,848 WARN L191 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-11-06 21:36:29,057 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-11-06 21:36:30,284 WARN L191 SmtUtils]: Spent 888.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-11-06 21:36:30,452 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-11-06 21:36:31,898 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-11-06 21:36:39,895 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-11-06 21:36:41,423 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 109