java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec9_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:24:00,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:24:00,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:24:00,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:24:00,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:24:00,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:24:00,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:24:00,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:24:00,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:24:00,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:24:00,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:24:00,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:24:00,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:24:00,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:24:00,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:24:00,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:24:00,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:24:00,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:24:00,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:24:00,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:24:00,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:24:00,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:24:00,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:24:00,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:24:00,168 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:24:00,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:24:00,168 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:24:00,169 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:24:00,170 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:24:00,171 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:24:00,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:24:00,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:24:00,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:24:00,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:24:00,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:24:00,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:24:00,175 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:24:00,175 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:24:00,175 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:24:00,176 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:24:00,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:24:00,177 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 19:24:00,191 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:24:00,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:24:00,192 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:24:00,192 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:24:00,193 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:24:00,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:24:00,193 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:24:00,193 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:24:00,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:24:00,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:24:00,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:24:00,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:24:00,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:24:00,194 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:24:00,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:24:00,195 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:24:00,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:24:00,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:24:00,195 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:24:00,196 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:24:00,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:24:00,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:24:00,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:24:00,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:24:00,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:24:00,197 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:24:00,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:24:00,197 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:24:00,197 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:24:00,476 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:24:00,491 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:24:00,494 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:24:00,495 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:24:00,496 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:24:00,497 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec9_product31.cil.c [2019-10-13 19:24:00,568 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05f7752bf/73dc4db5ef4c49af869fb656022f6fc7/FLAG2891de7f6 [2019-10-13 19:24:01,199 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:24:01,200 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec9_product31.cil.c [2019-10-13 19:24:01,229 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05f7752bf/73dc4db5ef4c49af869fb656022f6fc7/FLAG2891de7f6 [2019-10-13 19:24:01,375 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05f7752bf/73dc4db5ef4c49af869fb656022f6fc7 [2019-10-13 19:24:01,385 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:24:01,386 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:24:01,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:24:01,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:24:01,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:24:01,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:24:01" (1/1) ... [2019-10-13 19:24:01,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@599a6431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:01, skipping insertion in model container [2019-10-13 19:24:01,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:24:01" (1/1) ... [2019-10-13 19:24:01,402 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:24:01,485 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:24:02,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:24:02,166 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:24:02,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:24:02,411 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:24:02,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:02 WrapperNode [2019-10-13 19:24:02,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:24:02,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:24:02,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:24:02,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:24:02,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:02" (1/1) ... [2019-10-13 19:24:02,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:02" (1/1) ... [2019-10-13 19:24:02,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:02" (1/1) ... [2019-10-13 19:24:02,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:02" (1/1) ... [2019-10-13 19:24:02,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:02" (1/1) ... [2019-10-13 19:24:02,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:02" (1/1) ... [2019-10-13 19:24:02,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:02" (1/1) ... [2019-10-13 19:24:02,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:24:02,656 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:24:02,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:24:02,656 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:24:02,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:24:02,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:24:02,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:24:02,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:24:02,726 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-13 19:24:02,726 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-13 19:24:02,726 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-13 19:24:02,727 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:24:02,727 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-13 19:24:02,727 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-13 19:24:02,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:24:02,727 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-13 19:24:02,728 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-13 19:24:02,728 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-13 19:24:02,728 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-13 19:24:02,729 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-13 19:24:02,729 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-13 19:24:02,729 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-13 19:24:02,729 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-13 19:24:02,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__1 [2019-10-13 19:24:02,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__2 [2019-10-13 19:24:02,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__3 [2019-10-13 19:24:02,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__4 [2019-10-13 19:24:02,730 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-13 19:24:02,731 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-13 19:24:02,731 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-13 19:24:02,731 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-13 19:24:02,731 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-13 19:24:02,731 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-13 19:24:02,732 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-13 19:24:02,732 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-13 19:24:02,732 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-13 19:24:02,732 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-13 19:24:02,733 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-13 19:24:02,733 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-13 19:24:02,733 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-13 19:24:02,733 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-13 19:24:02,733 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-13 19:24:02,733 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-13 19:24:02,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-13 19:24:02,734 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:24:02,734 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-13 19:24:02,734 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-13 19:24:02,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-13 19:24:02,735 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-13 19:24:02,735 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:24:02,735 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-13 19:24:02,735 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-13 19:24:02,735 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-13 19:24:02,736 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-13 19:24:02,736 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:24:02,736 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-13 19:24:02,736 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-13 19:24:02,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-13 19:24:02,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-13 19:24:02,737 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:24:02,737 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:24:02,737 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:24:02,737 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:24:02,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:24:02,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:24:02,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:24:02,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:24:02,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:24:02,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:24:02,738 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-13 19:24:02,739 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-13 19:24:02,739 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-13 19:24:02,739 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-13 19:24:02,739 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-13 19:24:02,740 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-13 19:24:02,740 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-13 19:24:02,740 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-13 19:24:02,740 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:24:02,740 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-13 19:24:02,740 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-13 19:24:02,741 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-13 19:24:02,741 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:24:02,741 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-13 19:24:02,741 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:24:02,741 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:24:02,742 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:24:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:24:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:24:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-13 19:24:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-13 19:24:02,743 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-13 19:24:02,743 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-13 19:24:02,743 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:24:02,743 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:24:02,743 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-13 19:24:02,743 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:24:02,744 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-13 19:24:02,744 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-13 19:24:02,744 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-13 19:24:02,744 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-13 19:24:02,744 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-13 19:24:02,745 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-13 19:24:02,745 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:24:02,745 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-13 19:24:02,745 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-13 19:24:02,745 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-13 19:24:02,745 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-13 19:24:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-13 19:24:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-13 19:24:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-13 19:24:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-13 19:24:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-13 19:24:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-13 19:24:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__1 [2019-10-13 19:24:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__2 [2019-10-13 19:24:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__3 [2019-10-13 19:24:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__4 [2019-10-13 19:24:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:24:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-13 19:24:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-13 19:24:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-13 19:24:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-13 19:24:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-13 19:24:02,749 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-13 19:24:02,749 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-13 19:24:02,749 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-13 19:24:02,749 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-13 19:24:02,749 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-13 19:24:02,749 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-13 19:24:02,750 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-13 19:24:02,750 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-13 19:24:02,750 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-13 19:24:02,750 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-13 19:24:02,750 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-10-13 19:24:02,750 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-13 19:24:02,751 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-13 19:24:02,751 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-13 19:24:02,751 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-10-13 19:24:02,751 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-13 19:24:02,751 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-13 19:24:02,752 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-13 19:24:02,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:24:02,752 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-13 19:24:02,752 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:24:02,753 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:24:02,753 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:24:02,753 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:24:02,753 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:24:02,753 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:24:02,754 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:24:02,754 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:24:02,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:24:02,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:24:02,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:24:02,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:24:02,755 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:24:02,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:24:02,755 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:24:02,755 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:24:02,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:24:02,756 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:24:02,756 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:24:02,756 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:24:02,757 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 19:24:02,757 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-13 19:24:02,757 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-13 19:24:02,757 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-13 19:24:02,757 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-13 19:24:02,758 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-13 19:24:02,758 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-13 19:24:02,758 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-13 19:24:02,758 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-13 19:24:02,758 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-13 19:24:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-13 19:24:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:24:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-13 19:24:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:24:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:24:02,760 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:24:02,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:24:02,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:24:02,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:24:05,069 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:24:05,069 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-13 19:24:05,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:24:05 BoogieIcfgContainer [2019-10-13 19:24:05,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:24:05,072 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:24:05,072 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:24:05,078 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:24:05,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:24:01" (1/3) ... [2019-10-13 19:24:05,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370e28ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:24:05, skipping insertion in model container [2019-10-13 19:24:05,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:02" (2/3) ... [2019-10-13 19:24:05,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370e28ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:24:05, skipping insertion in model container [2019-10-13 19:24:05,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:24:05" (3/3) ... [2019-10-13 19:24:05,081 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product31.cil.c [2019-10-13 19:24:05,090 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:24:05,099 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:24:05,110 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:24:05,147 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:24:05,147 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:24:05,147 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:24:05,148 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:24:05,148 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:24:05,148 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:24:05,148 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:24:05,148 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:24:05,190 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states. [2019-10-13 19:24:05,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-13 19:24:05,221 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:24:05,223 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-13 19:24:05,225 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:24:05,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:24:05,229 INFO L82 PathProgramCache]: Analyzing trace with hash -817980403, now seen corresponding path program 1 times [2019-10-13 19:24:05,236 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:24:05,236 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534367576] [2019-10-13 19:24:05,237 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:24:05,237 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:24:05,237 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:24:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:06,674 WARN L191 SmtUtils]: Spent 925.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:24:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:06,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:06,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:06,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:06,946 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-13 19:24:06,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:07,142 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-13 19:24:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:07,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:07,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:07,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:07,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:07,498 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 19:24:07,499 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534367576] [2019-10-13 19:24:07,500 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:24:07,500 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 19:24:07,500 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709426877] [2019-10-13 19:24:07,505 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 19:24:07,505 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:24:07,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 19:24:07,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:24:07,519 INFO L87 Difference]: Start difference. First operand 808 states. Second operand 10 states. [2019-10-13 19:24:09,198 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-10-13 19:24:10,045 WARN L191 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2019-10-13 19:24:12,031 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-10-13 19:24:17,695 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-13 19:24:32,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:24:32,446 INFO L93 Difference]: Finished difference Result 1835 states and 3198 transitions. [2019-10-13 19:24:32,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 19:24:32,449 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 135 [2019-10-13 19:24:32,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:24:32,484 INFO L225 Difference]: With dead ends: 1835 [2019-10-13 19:24:32,485 INFO L226 Difference]: Without dead ends: 1176 [2019-10-13 19:24:32,498 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2019-10-13 19:24:32,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2019-10-13 19:24:32,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 648. [2019-10-13 19:24:32,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 648 states. [2019-10-13 19:24:32,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 1024 transitions. [2019-10-13 19:24:32,813 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 1024 transitions. Word has length 135 [2019-10-13 19:24:32,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:24:32,814 INFO L462 AbstractCegarLoop]: Abstraction has 648 states and 1024 transitions. [2019-10-13 19:24:32,814 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 19:24:32,814 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 1024 transitions. [2019-10-13 19:24:32,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-10-13 19:24:32,825 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:24:32,825 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-13 19:24:32,827 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:24:32,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:24:32,827 INFO L82 PathProgramCache]: Analyzing trace with hash 40844142, now seen corresponding path program 1 times [2019-10-13 19:24:32,827 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:24:32,828 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951613926] [2019-10-13 19:24:32,828 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:24:32,829 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:24:32,829 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:24:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:33,767 WARN L191 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:24:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:33,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:34,055 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-13 19:24:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:34,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:34,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:34,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:24:34,551 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 19:24:34,552 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951613926] [2019-10-13 19:24:34,552 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:24:34,552 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 19:24:34,553 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866203555] [2019-10-13 19:24:34,554 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 19:24:34,555 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:24:34,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 19:24:34,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:24:34,556 INFO L87 Difference]: Start difference. First operand 648 states and 1024 transitions. Second operand 10 states. [2019-10-13 19:24:36,183 WARN L191 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-10-13 19:24:37,018 WARN L191 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2019-10-13 19:24:38,662 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 127