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_spec1_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:21:26,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:21:26,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:21:26,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:21:26,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:21:26,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:21:26,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:21:26,193 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:21:26,195 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:21:26,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:21:26,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:21:26,198 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:21:26,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:21:26,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:21:26,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:21:26,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:21:26,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:21:26,202 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:21:26,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:21:26,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:21:26,207 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:21:26,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:21:26,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:21:26,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:21:26,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:21:26,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:21:26,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:21:26,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:21:26,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:21:26,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:21:26,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:21:26,217 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:21:26,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:21:26,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:21:26,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:21:26,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:21:26,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:21:26,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:21:26,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:21:26,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:21:26,228 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:21:26,229 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 [2019-10-13 19:21:26,253 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:21:26,253 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:21:26,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:21:26,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:21:26,255 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:21:26,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:21:26,255 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:21:26,256 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:21:26,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:21:26,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:21:26,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:21:26,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:21:26,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:21:26,257 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:21:26,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:21:26,257 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:21:26,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:21:26,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:21:26,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:21:26,258 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:21:26,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:21:26,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:21:26,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:21:26,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:21:26,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:21:26,259 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:21:26,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:21:26,260 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:21:26,260 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:21:26,513 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:21:26,527 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:21:26,530 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:21:26,532 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:21:26,532 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:21:26,533 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product29.cil.c [2019-10-13 19:21:26,606 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a6c7c928/11b2c41f89484b00919753590bf5785b/FLAG750011d06 [2019-10-13 19:21:27,162 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:21:27,164 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec1_product29.cil.c [2019-10-13 19:21:27,184 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a6c7c928/11b2c41f89484b00919753590bf5785b/FLAG750011d06 [2019-10-13 19:21:27,364 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a6c7c928/11b2c41f89484b00919753590bf5785b [2019-10-13 19:21:27,373 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:21:27,374 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:21:27,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:21:27,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:21:27,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:21:27,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:21:27" (1/1) ... [2019-10-13 19:21:27,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4432d2ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:27, skipping insertion in model container [2019-10-13 19:21:27,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:21:27" (1/1) ... [2019-10-13 19:21:27,394 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:21:27,474 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:21:28,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:21:28,167 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:21:28,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:21:28,349 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:21:28,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:28 WrapperNode [2019-10-13 19:21:28,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:21:28,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:21:28,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:21:28,351 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:21:28,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:28" (1/1) ... [2019-10-13 19:21:28,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:28" (1/1) ... [2019-10-13 19:21:28,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:28" (1/1) ... [2019-10-13 19:21:28,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:28" (1/1) ... [2019-10-13 19:21:28,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:28" (1/1) ... [2019-10-13 19:21:28,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:28" (1/1) ... [2019-10-13 19:21:28,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:28" (1/1) ... [2019-10-13 19:21:28,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:21:28,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:21:28,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:21:28,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:21:28,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:28" (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 [2019-10-13 19:21:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:21:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:21:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:21:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-13 19:21:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-13 19:21:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-13 19:21:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:21:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-13 19:21:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2019-10-13 19:21:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2019-10-13 19:21:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2019-10-13 19:21:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-13 19:21:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-13 19:21:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-13 19:21:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-13 19:21:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-13 19:21:28,678 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-13 19:21:28,678 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-13 19:21:28,678 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-13 19:21:28,678 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-13 19:21:28,679 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-13 19:21:28,679 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-13 19:21:28,679 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-13 19:21:28,679 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-13 19:21:28,679 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-13 19:21:28,679 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-13 19:21:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-13 19:21:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:21:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-13 19:21:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-13 19:21:28,681 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-13 19:21:28,681 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:21:28,681 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-13 19:21:28,681 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:21:28,681 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:21:28,682 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:21:28,682 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:21:28,682 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:21:28,682 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:21:28,683 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:21:28,683 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-13 19:21:28,683 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-13 19:21:28,683 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-13 19:21:28,684 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-13 19:21:28,684 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-13 19:21:28,684 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-13 19:21:28,684 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-13 19:21:28,685 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-13 19:21:28,685 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-13 19:21:28,685 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-13 19:21:28,685 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-13 19:21:28,685 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-13 19:21:28,686 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-13 19:21:28,686 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-13 19:21:28,686 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-13 19:21:28,686 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-13 19:21:28,686 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-13 19:21:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-13 19:21:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-13 19:21:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:21:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-13 19:21:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-13 19:21:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-13 19:21:28,688 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:21:28,688 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-13 19:21:28,688 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-13 19:21:28,688 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-13 19:21:28,688 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:21:28,689 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-13 19:21:28,689 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-13 19:21:28,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:21:28,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:21:28,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:21:28,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:21:28,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:21:28,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:21:28,690 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:21:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:21:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:21:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-13 19:21:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-13 19:21:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-13 19:21:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:21:28,692 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-13 19:21:28,692 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-13 19:21:28,692 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-13 19:21:28,692 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2019-10-13 19:21:28,692 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2019-10-13 19:21:28,692 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2019-10-13 19:21:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-13 19:21:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-13 19:21:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-13 19:21:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-13 19:21:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-13 19:21:28,694 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-13 19:21:28,694 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-13 19:21:28,694 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-13 19:21:28,694 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 19:21:28,694 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-13 19:21:28,695 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-13 19:21:28,695 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-13 19:21:28,695 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-13 19:21:28,695 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-13 19:21:28,695 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-13 19:21:28,695 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-13 19:21:28,696 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:21:28,696 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-13 19:21:28,696 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-13 19:21:28,696 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-13 19:21:28,696 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:21:28,696 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-13 19:21:28,697 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-13 19:21:28,697 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-13 19:21:28,697 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-13 19:21:28,697 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-13 19:21:28,697 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:21:28,697 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-13 19:21:28,698 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:21:28,698 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:21:28,698 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:21:28,698 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:21:28,698 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:21:28,699 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:21:28,699 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:21:28,699 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:21:28,699 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-13 19:21:28,699 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-13 19:21:28,699 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-13 19:21:28,700 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:21:28,700 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-13 19:21:28,700 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-13 19:21:28,700 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-13 19:21:28,700 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-13 19:21:28,701 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-13 19:21:28,701 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-13 19:21:28,701 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-13 19:21:28,701 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-13 19:21:28,701 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-13 19:21:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-13 19:21:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-13 19:21:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-13 19:21:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:21:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-13 19:21:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-13 19:21:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:21:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-13 19:21:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-13 19:21:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-13 19:21:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:21:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-13 19:21:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:21:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:21:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:21:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:21:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:21:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:21:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:21:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:21:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:21:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:21:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:21:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:21:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:21:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:21:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:21:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:21:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:21:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:21:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:21:31,593 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:21:31,594 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-13 19:21:31,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:21:31 BoogieIcfgContainer [2019-10-13 19:21:31,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:21:31,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:21:31,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:21:31,601 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:21:31,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:21:27" (1/3) ... [2019-10-13 19:21:31,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77a432b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:21:31, skipping insertion in model container [2019-10-13 19:21:31,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:28" (2/3) ... [2019-10-13 19:21:31,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77a432b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:21:31, skipping insertion in model container [2019-10-13 19:21:31,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:21:31" (3/3) ... [2019-10-13 19:21:31,604 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product29.cil.c [2019-10-13 19:21:31,614 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:21:31,623 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:21:31,634 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:21:31,674 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:21:31,674 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:21:31,674 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:21:31,675 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:21:31,675 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:21:31,675 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:21:31,675 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:21:31,675 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:21:31,722 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states. [2019-10-13 19:21:31,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-13 19:21:31,764 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:21:31,766 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:21:31,768 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:21:31,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:21:31,774 INFO L82 PathProgramCache]: Analyzing trace with hash 902898907, now seen corresponding path program 1 times [2019-10-13 19:21:31,784 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:21:31,785 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559322768] [2019-10-13 19:21:31,785 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:21:31,785 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:21:31,785 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:21:32,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:33,508 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 388 [2019-10-13 19:21:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:33,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:33,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:33,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:33,825 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-13 19:21:33,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:34,060 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-13 19:21:34,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:34,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:34,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:34,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:34,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:34,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:34,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:34,534 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-13 19:21:34,535 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559322768] [2019-10-13 19:21:34,536 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484558410] [2019-10-13 19:21:34,536 INFO L94 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 [2019-10-13 19:21:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:35,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 3273 conjuncts, 1 conjunts are in the unsatisfiable core [2019-10-13 19:21:35,181 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 19:21:35,246 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-13 19:21:35,246 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 19:21:35,247 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10] total 10 [2019-10-13 19:21:35,247 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000224600] [2019-10-13 19:21:35,255 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 19:21:35,255 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:21:35,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 19:21:35,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:21:35,273 INFO L87 Difference]: Start difference. First operand 790 states. Second operand 2 states. [2019-10-13 19:21:35,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:21:35,401 INFO L93 Difference]: Finished difference Result 673 states and 1068 transitions. [2019-10-13 19:21:35,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 19:21:35,403 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 155 [2019-10-13 19:21:35,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:21:35,430 INFO L225 Difference]: With dead ends: 673 [2019-10-13 19:21:35,431 INFO L226 Difference]: Without dead ends: 636 [2019-10-13 19:21:35,436 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:21:35,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2019-10-13 19:21:35,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 636. [2019-10-13 19:21:35,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 636 states. [2019-10-13 19:21:35,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 1013 transitions. [2019-10-13 19:21:35,562 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 1013 transitions. Word has length 155 [2019-10-13 19:21:35,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:21:35,570 INFO L462 AbstractCegarLoop]: Abstraction has 636 states and 1013 transitions. [2019-10-13 19:21:35,570 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 19:21:35,570 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 1013 transitions. [2019-10-13 19:21:35,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-13 19:21:35,591 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:21:35,592 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:21:35,796 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 19:21:35,796 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:21:35,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:21:35,797 INFO L82 PathProgramCache]: Analyzing trace with hash 598223950, now seen corresponding path program 1 times [2019-10-13 19:21:35,798 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:21:35,798 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548790667] [2019-10-13 19:21:35,798 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:21:35,799 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:21:35,799 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:21:35,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:36,958 WARN L191 SmtUtils]: Spent 975.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-13 19:21:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:36,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:37,273 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-13 19:21:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:37,431 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-13 19:21:37,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:37,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:37,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:37,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:37,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:37,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:37,817 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-13 19:21:37,817 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548790667] [2019-10-13 19:21:37,817 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565609888] [2019-10-13 19:21:37,817 INFO L94 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 [2019-10-13 19:21:38,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:38,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 3276 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 19:21:38,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 19:21:38,572 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 19:21:38,572 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 19:21:38,573 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2019-10-13 19:21:38,573 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929247604] [2019-10-13 19:21:38,574 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 19:21:38,574 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:21:38,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 19:21:38,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2019-10-13 19:21:38,575 INFO L87 Difference]: Start difference. First operand 636 states and 1013 transitions. Second operand 4 states. [2019-10-13 19:21:38,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:21:38,692 INFO L93 Difference]: Finished difference Result 1244 states and 1999 transitions. [2019-10-13 19:21:38,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 19:21:38,693 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 157 [2019-10-13 19:21:38,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:21:38,700 INFO L225 Difference]: With dead ends: 1244 [2019-10-13 19:21:38,701 INFO L226 Difference]: Without dead ends: 636 [2019-10-13 19:21:38,713 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2019-10-13 19:21:38,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2019-10-13 19:21:38,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 636. [2019-10-13 19:21:38,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 636 states. [2019-10-13 19:21:38,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 1012 transitions. [2019-10-13 19:21:38,789 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 1012 transitions. Word has length 157 [2019-10-13 19:21:38,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:21:38,789 INFO L462 AbstractCegarLoop]: Abstraction has 636 states and 1012 transitions. [2019-10-13 19:21:38,789 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 19:21:38,789 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 1012 transitions. [2019-10-13 19:21:38,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-13 19:21:38,799 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:21:38,800 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:21:39,006 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 19:21:39,007 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:21:39,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:21:39,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1074530708, now seen corresponding path program 1 times [2019-10-13 19:21:39,008 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:21:39,009 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563219729] [2019-10-13 19:21:39,009 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:21:39,010 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:21:39,010 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:21:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:39,995 WARN L191 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-13 19:21:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,255 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-13 19:21:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,420 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-13 19:21:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:40,808 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-13 19:21:40,808 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563219729] [2019-10-13 19:21:40,809 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [186766882] [2019-10-13 19:21:40,809 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 19:21:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:41,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 3278 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 19:21:41,439 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 19:21:41,489 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 19:21:41,489 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 19:21:41,489 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2019-10-13 19:21:41,490 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873823380] [2019-10-13 19:21:41,491 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 19:21:41,491 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:21:41,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 19:21:41,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2019-10-13 19:21:41,492 INFO L87 Difference]: Start difference. First operand 636 states and 1012 transitions. Second operand 4 states. [2019-10-13 19:21:41,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:21:41,595 INFO L93 Difference]: Finished difference Result 1244 states and 1997 transitions. [2019-10-13 19:21:41,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 19:21:41,596 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 159 [2019-10-13 19:21:41,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:21:41,607 INFO L225 Difference]: With dead ends: 1244 [2019-10-13 19:21:41,607 INFO L226 Difference]: Without dead ends: 636 [2019-10-13 19:21:41,611 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2019-10-13 19:21:41,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2019-10-13 19:21:41,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 636. [2019-10-13 19:21:41,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 636 states. [2019-10-13 19:21:41,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 1011 transitions. [2019-10-13 19:21:41,658 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 1011 transitions. Word has length 159 [2019-10-13 19:21:41,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:21:41,658 INFO L462 AbstractCegarLoop]: Abstraction has 636 states and 1011 transitions. [2019-10-13 19:21:41,658 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 19:21:41,658 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 1011 transitions. [2019-10-13 19:21:41,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-10-13 19:21:41,664 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:21:41,664 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:21:41,874 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 19:21:41,874 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:21:41,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:21:41,875 INFO L82 PathProgramCache]: Analyzing trace with hash 480608966, now seen corresponding path program 1 times [2019-10-13 19:21:41,876 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:21:41,876 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870381243] [2019-10-13 19:21:41,876 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:21:41,876 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:21:41,877 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:21:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,853 WARN L191 SmtUtils]: Spent 869.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-13 19:21:42,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,110 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-13 19:21:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,280 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-13 19:21:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:43,634 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-13 19:21:43,635 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870381243] [2019-10-13 19:21:43,635 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116533485] [2019-10-13 19:21:43,635 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 19:21:44,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:44,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 19:21:44,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 19:21:44,274 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 19:21:44,275 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 19:21:44,275 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2019-10-13 19:21:44,276 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881052140] [2019-10-13 19:21:44,277 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 19:21:44,277 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:21:44,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 19:21:44,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2019-10-13 19:21:44,278 INFO L87 Difference]: Start difference. First operand 636 states and 1011 transitions. Second operand 4 states. [2019-10-13 19:21:44,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:21:44,387 INFO L93 Difference]: Finished difference Result 1251 states and 2004 transitions. [2019-10-13 19:21:44,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 19:21:44,388 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 161 [2019-10-13 19:21:44,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:21:44,394 INFO L225 Difference]: With dead ends: 1251 [2019-10-13 19:21:44,395 INFO L226 Difference]: Without dead ends: 645 [2019-10-13 19:21:44,399 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2019-10-13 19:21:44,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2019-10-13 19:21:44,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 645. [2019-10-13 19:21:44,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2019-10-13 19:21:44,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 1023 transitions. [2019-10-13 19:21:44,434 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 1023 transitions. Word has length 161 [2019-10-13 19:21:44,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:21:44,434 INFO L462 AbstractCegarLoop]: Abstraction has 645 states and 1023 transitions. [2019-10-13 19:21:44,435 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 19:21:44,435 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 1023 transitions. [2019-10-13 19:21:44,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-10-13 19:21:44,441 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:21:44,442 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:21:44,688 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 19:21:44,688 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:21:44,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:21:44,689 INFO L82 PathProgramCache]: Analyzing trace with hash 744578377, now seen corresponding path program 1 times [2019-10-13 19:21:44,689 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:21:44,689 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304538209] [2019-10-13 19:21:44,689 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:21:44,689 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:21:44,690 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:21:44,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:45,634 WARN L191 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-13 19:21:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:45,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:45,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:45,896 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-13 19:21:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:46,132 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-13 19:21:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:46,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:46,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:46,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:46,643 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-13 19:21:46,644 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304538209] [2019-10-13 19:21:46,644 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [390792197] [2019-10-13 19:21:46,644 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 19:21:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:47,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 3281 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 19:21:47,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 19:21:47,249 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 19:21:47,250 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 19:21:47,250 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2019-10-13 19:21:47,250 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388369321] [2019-10-13 19:21:47,251 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 19:21:47,251 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:21:47,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 19:21:47,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2019-10-13 19:21:47,252 INFO L87 Difference]: Start difference. First operand 645 states and 1023 transitions. Second operand 4 states. [2019-10-13 19:21:47,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:21:47,350 INFO L93 Difference]: Finished difference Result 1253 states and 2005 transitions. [2019-10-13 19:21:47,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 19:21:47,351 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 162 [2019-10-13 19:21:47,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:21:47,359 INFO L225 Difference]: With dead ends: 1253 [2019-10-13 19:21:47,359 INFO L226 Difference]: Without dead ends: 645 [2019-10-13 19:21:47,365 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2019-10-13 19:21:47,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2019-10-13 19:21:47,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 645. [2019-10-13 19:21:47,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2019-10-13 19:21:47,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 1022 transitions. [2019-10-13 19:21:47,403 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 1022 transitions. Word has length 162 [2019-10-13 19:21:47,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:21:47,406 INFO L462 AbstractCegarLoop]: Abstraction has 645 states and 1022 transitions. [2019-10-13 19:21:47,406 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 19:21:47,406 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 1022 transitions. [2019-10-13 19:21:47,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-10-13 19:21:47,415 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:21:47,415 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:21:47,626 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 19:21:47,627 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:21:47,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:21:47,628 INFO L82 PathProgramCache]: Analyzing trace with hash -831847774, now seen corresponding path program 1 times [2019-10-13 19:21:47,628 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:21:47,628 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825955690] [2019-10-13 19:21:47,629 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:21:47,629 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:21:47,629 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:21:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:48,799 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 388 [2019-10-13 19:21:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:48,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:48,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:49,065 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-13 19:21:49,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:49,264 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-13 19:21:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:49,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:49,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:49,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:49,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:49,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:49,776 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-13 19:21:49,777 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825955690] [2019-10-13 19:21:49,777 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427841192] [2019-10-13 19:21:49,777 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 19:21:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:50,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 3282 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 19:21:50,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 19:21:50,399 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 19:21:50,400 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 19:21:50,400 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2019-10-13 19:21:50,400 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096350070] [2019-10-13 19:21:50,401 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 19:21:50,402 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:21:50,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 19:21:50,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2019-10-13 19:21:50,402 INFO L87 Difference]: Start difference. First operand 645 states and 1022 transitions. Second operand 4 states. [2019-10-13 19:21:50,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:21:50,492 INFO L93 Difference]: Finished difference Result 1253 states and 2004 transitions. [2019-10-13 19:21:50,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 19:21:50,493 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 163 [2019-10-13 19:21:50,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:21:50,499 INFO L225 Difference]: With dead ends: 1253 [2019-10-13 19:21:50,499 INFO L226 Difference]: Without dead ends: 645 [2019-10-13 19:21:50,503 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2019-10-13 19:21:50,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2019-10-13 19:21:50,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 645. [2019-10-13 19:21:50,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2019-10-13 19:21:50,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 1021 transitions. [2019-10-13 19:21:50,529 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 1021 transitions. Word has length 163 [2019-10-13 19:21:50,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:21:50,529 INFO L462 AbstractCegarLoop]: Abstraction has 645 states and 1021 transitions. [2019-10-13 19:21:50,529 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 19:21:50,530 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 1021 transitions. [2019-10-13 19:21:50,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-10-13 19:21:50,535 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:21:50,535 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:21:50,749 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 19:21:50,750 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:21:50,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:21:50,750 INFO L82 PathProgramCache]: Analyzing trace with hash 669005797, now seen corresponding path program 1 times [2019-10-13 19:21:50,750 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:21:50,750 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571523357] [2019-10-13 19:21:50,750 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:21:50,751 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:21:50,751 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:21:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:51,691 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-13 19:21:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:52,001 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-13 19:21:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:52,173 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-13 19:21:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:52,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:52,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:52,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:52,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:52,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:52,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:52,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:52,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:52,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:52,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:52,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:52,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:52,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:52,547 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-13 19:21:52,548 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571523357] [2019-10-13 19:21:52,548 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900270662] [2019-10-13 19:21:52,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 19:21:53,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:53,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 3283 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 19:21:53,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 19:21:53,189 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 19:21:53,189 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 19:21:53,189 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [16] total 18 [2019-10-13 19:21:53,189 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201459512] [2019-10-13 19:21:53,190 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 19:21:53,190 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:21:53,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 19:21:53,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2019-10-13 19:21:53,191 INFO L87 Difference]: Start difference. First operand 645 states and 1021 transitions. Second operand 4 states. [2019-10-13 19:21:53,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:21:53,404 INFO L93 Difference]: Finished difference Result 1252 states and 2004 transitions. [2019-10-13 19:21:53,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 19:21:53,405 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 164 [2019-10-13 19:21:53,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:21:53,411 INFO L225 Difference]: With dead ends: 1252 [2019-10-13 19:21:53,411 INFO L226 Difference]: Without dead ends: 645 [2019-10-13 19:21:53,415 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2019-10-13 19:21:53,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2019-10-13 19:21:53,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 645. [2019-10-13 19:21:53,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2019-10-13 19:21:53,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 1016 transitions. [2019-10-13 19:21:53,442 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 1016 transitions. Word has length 164 [2019-10-13 19:21:53,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:21:53,443 INFO L462 AbstractCegarLoop]: Abstraction has 645 states and 1016 transitions. [2019-10-13 19:21:53,443 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 19:21:53,443 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 1016 transitions. [2019-10-13 19:21:53,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-13 19:21:53,448 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:21:53,449 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:21:53,657 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 19:21:53,658 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:21:53,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:21:53,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1950074191, now seen corresponding path program 1 times [2019-10-13 19:21:53,659 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:21:53,659 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885209985] [2019-10-13 19:21:53,660 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:21:53,660 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:21:53,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:21:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:54,638 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-13 19:21:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:54,969 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-13 19:21:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:55,162 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-13 19:21:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:55,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:55,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:55,581 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-13 19:21:55,582 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885209985] [2019-10-13 19:21:55,582 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450396193] [2019-10-13 19:21:55,582 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 19:21:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:56,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 3285 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 19:21:56,162 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 19:21:56,263 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 19:21:56,263 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 19:21:56,264 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [18] total 20 [2019-10-13 19:21:56,264 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285151116] [2019-10-13 19:21:56,268 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 19:21:56,268 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:21:56,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 19:21:56,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2019-10-13 19:21:56,269 INFO L87 Difference]: Start difference. First operand 645 states and 1016 transitions. Second operand 4 states. [2019-10-13 19:21:56,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:21:56,468 INFO L93 Difference]: Finished difference Result 1252 states and 1994 transitions. [2019-10-13 19:21:56,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 19:21:56,468 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2019-10-13 19:21:56,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:21:56,474 INFO L225 Difference]: With dead ends: 1252 [2019-10-13 19:21:56,475 INFO L226 Difference]: Without dead ends: 645 [2019-10-13 19:21:56,478 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2019-10-13 19:21:56,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2019-10-13 19:21:56,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 645. [2019-10-13 19:21:56,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2019-10-13 19:21:56,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 1011 transitions. [2019-10-13 19:21:56,503 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 1011 transitions. Word has length 166 [2019-10-13 19:21:56,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:21:56,503 INFO L462 AbstractCegarLoop]: Abstraction has 645 states and 1011 transitions. [2019-10-13 19:21:56,503 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 19:21:56,503 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 1011 transitions. [2019-10-13 19:21:56,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-10-13 19:21:56,509 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:21:56,510 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:21:56,719 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 19:21:56,720 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:21:56,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:21:56,720 INFO L82 PathProgramCache]: Analyzing trace with hash 889413103, now seen corresponding path program 1 times [2019-10-13 19:21:56,721 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:21:56,721 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447384906] [2019-10-13 19:21:56,721 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:21:56,721 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:21:56,721 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:21:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:57,920 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 388 [2019-10-13 19:21:57,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:58,314 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-13 19:21:58,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:58,501 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-13 19:21:58,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:58,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:58,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:58,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:58,900 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-13 19:21:58,901 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447384906] [2019-10-13 19:21:58,901 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890473978] [2019-10-13 19:21:58,901 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 19:21:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:59,515 INFO L256 TraceCheckSpWp]: Trace formula consists of 3287 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 19:21:59,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 19:21:59,631 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 19:21:59,631 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 19:21:59,631 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [16] total 18 [2019-10-13 19:21:59,632 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124274381] [2019-10-13 19:21:59,632 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 19:21:59,632 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:21:59,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 19:21:59,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2019-10-13 19:21:59,633 INFO L87 Difference]: Start difference. First operand 645 states and 1011 transitions. Second operand 4 states. [2019-10-13 19:21:59,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:21:59,852 INFO L93 Difference]: Finished difference Result 1288 states and 2043 transitions. [2019-10-13 19:21:59,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 19:21:59,853 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 168 [2019-10-13 19:21:59,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:21:59,859 INFO L225 Difference]: With dead ends: 1288 [2019-10-13 19:21:59,859 INFO L226 Difference]: Without dead ends: 684 [2019-10-13 19:21:59,863 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2019-10-13 19:21:59,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2019-10-13 19:21:59,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 684. [2019-10-13 19:21:59,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 684 states. [2019-10-13 19:21:59,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 1075 transitions. [2019-10-13 19:21:59,890 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 1075 transitions. Word has length 168 [2019-10-13 19:21:59,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:21:59,892 INFO L462 AbstractCegarLoop]: Abstraction has 684 states and 1075 transitions. [2019-10-13 19:21:59,892 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 19:21:59,892 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 1075 transitions. [2019-10-13 19:21:59,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-10-13 19:21:59,898 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:21:59,898 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:22:00,106 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 19:22:00,107 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:22:00,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:22:00,107 INFO L82 PathProgramCache]: Analyzing trace with hash 666131544, now seen corresponding path program 1 times [2019-10-13 19:22:00,108 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:22:00,108 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911102855] [2019-10-13 19:22:00,108 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:22:00,108 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:22:00,109 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:22:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:01,021 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-13 19:22:01,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:01,288 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-13 19:22:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:01,463 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-13 19:22:01,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:01,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat