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_spec3_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:23:00,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:23:00,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:23:00,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:23:00,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:23:00,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:23:00,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:23:00,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:23:00,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:23:00,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:23:00,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:23:00,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:23:00,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:23:00,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:23:00,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:23:00,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:23:00,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:23:00,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:23:00,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:23:00,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:23:00,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:23:00,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:23:00,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:23:00,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:23:00,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:23:00,227 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:23:00,227 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:23:00,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:23:00,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:23:00,230 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:23:00,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:23:00,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:23:00,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:23:00,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:23:00,233 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:23:00,233 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:23:00,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:23:00,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:23:00,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:23:00,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:23:00,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:23:00,237 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 19:23:00,251 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:23:00,251 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:23:00,252 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:23:00,252 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:23:00,252 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:23:00,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:23:00,253 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:23:00,253 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:23:00,253 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:23:00,253 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:23:00,254 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:23:00,254 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:23:00,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:23:00,254 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:23:00,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:23:00,255 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:23:00,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:23:00,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:23:00,255 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:23:00,255 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:23:00,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:23:00,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:23:00,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:23:00,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:23:00,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:23:00,257 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:23:00,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:23:00,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:23:00,257 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:23:00,517 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:23:00,536 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:23:00,540 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:23:00,542 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:23:00,543 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:23:00,543 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product20.cil.c [2019-10-13 19:23:00,626 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a87eb8587/9bdf15ab515e408b9736b8793ae43364/FLAG5fd77b230 [2019-10-13 19:23:01,310 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:23:01,310 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product20.cil.c [2019-10-13 19:23:01,329 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a87eb8587/9bdf15ab515e408b9736b8793ae43364/FLAG5fd77b230 [2019-10-13 19:23:01,493 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a87eb8587/9bdf15ab515e408b9736b8793ae43364 [2019-10-13 19:23:01,506 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:23:01,507 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:23:01,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:01,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:23:01,512 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:23:01,513 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:01" (1/1) ... [2019-10-13 19:23:01,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22c5b7dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:01, skipping insertion in model container [2019-10-13 19:23:01,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:01" (1/1) ... [2019-10-13 19:23:01,522 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:23:01,604 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:23:02,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:02,293 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:23:02,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:23:02,535 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:23:02,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:02 WrapperNode [2019-10-13 19:23:02,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:23:02,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:23:02,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:23:02,537 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:23:02,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:02" (1/1) ... [2019-10-13 19:23:02,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:02" (1/1) ... [2019-10-13 19:23:02,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:02" (1/1) ... [2019-10-13 19:23:02,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:02" (1/1) ... [2019-10-13 19:23:02,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:02" (1/1) ... [2019-10-13 19:23:02,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:02" (1/1) ... [2019-10-13 19:23:02,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:02" (1/1) ... [2019-10-13 19:23:02,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:23:02,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:23:02,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:23:02,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:23:02,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:02" (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 19:23:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:23:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:23:02,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:02,812 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-13 19:23:02,813 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-13 19:23:02,813 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-13 19:23:02,813 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-13 19:23:02,813 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-13 19:23:02,813 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-13 19:23:02,814 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-13 19:23:02,814 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-13 19:23:02,814 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-13 19:23:02,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-13 19:23:02,815 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-13 19:23:02,815 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-13 19:23:02,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-13 19:23:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-13 19:23:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-13 19:23:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-13 19:23:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-13 19:23:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-13 19:23:02,817 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-13 19:23:02,817 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-13 19:23:02,818 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-13 19:23:02,818 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-13 19:23:02,818 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-13 19:23:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-13 19:23:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-13 19:23:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-13 19:23:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2019-10-13 19:23:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-13 19:23:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-13 19:23:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-13 19:23:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-13 19:23:02,821 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:02,821 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-13 19:23:02,821 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-13 19:23:02,821 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2019-10-13 19:23:02,821 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:23:02,822 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2019-10-13 19:23:02,822 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-13 19:23:02,822 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-13 19:23:02,822 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-13 19:23:02,822 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-13 19:23:02,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:02,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:02,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:02,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:23:02,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:23:02,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:23:02,824 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:23:02,824 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:23:02,824 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:23:02,824 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:23:02,824 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:23:02,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:23:02,825 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-13 19:23:02,825 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-13 19:23:02,825 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-13 19:23:02,825 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-13 19:23:02,826 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-13 19:23:02,826 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-13 19:23:02,826 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-13 19:23:02,826 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-13 19:23:02,827 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:23:02,827 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-13 19:23:02,827 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-13 19:23:02,827 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-13 19:23:02,828 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:23:02,828 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-13 19:23:02,828 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:23:02,828 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:23:02,829 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:23:02,829 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-13 19:23:02,829 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-13 19:23:02,829 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-13 19:23:02,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-13 19:23:02,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2019-10-13 19:23:02,830 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:23:02,830 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:23:02,830 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-13 19:23:02,831 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-13 19:23:02,831 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:23:02,831 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-13 19:23:02,831 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-13 19:23:02,832 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-13 19:23:02,832 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-13 19:23:02,832 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-13 19:23:02,832 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-13 19:23:02,832 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-13 19:23:02,833 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-13 19:23:02,833 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-13 19:23:02,833 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-13 19:23:02,833 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-13 19:23:02,833 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-13 19:23:02,834 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-13 19:23:02,834 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:23:02,834 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-13 19:23:02,834 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-13 19:23:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-13 19:23:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-13 19:23:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-13 19:23:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-13 19:23:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-13 19:23:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-13 19:23:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-13 19:23:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-13 19:23:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-13 19:23:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-13 19:23:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-13 19:23:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-13 19:23:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-13 19:23:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-13 19:23:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-13 19:23:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-13 19:23:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2019-10-13 19:23:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-13 19:23:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-13 19:23:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-13 19:23:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-13 19:23:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-13 19:23:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-13 19:23:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2019-10-13 19:23:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-13 19:23:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2019-10-13 19:23:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2019-10-13 19:23:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:23:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-13 19:23:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:23:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:23:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:23:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:23:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:23:02,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:23:02,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:23:02,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:23:02,841 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:23:02,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:23:02,842 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:23:02,842 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:23:02,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:23:02,842 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:23:02,842 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:23:02,842 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:23:02,843 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-13 19:23:02,843 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-13 19:23:02,843 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:23:02,843 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:23:02,843 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:23:02,843 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:23:02,843 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:23:02,844 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:23:02,844 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:23:02,844 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 19:23:02,844 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-13 19:23:02,844 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-13 19:23:02,844 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-13 19:23:02,844 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-13 19:23:02,845 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-13 19:23:02,845 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-13 19:23:02,845 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-13 19:23:02,845 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-13 19:23:02,845 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-13 19:23:02,845 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:23:02,845 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-13 19:23:02,846 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:23:02,846 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:23:02,846 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:23:02,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:23:02,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:23:02,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:23:05,126 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:23:05,127 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-13 19:23:05,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:05 BoogieIcfgContainer [2019-10-13 19:23:05,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:23:05,130 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:23:05,130 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:23:05,134 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:23:05,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:23:01" (1/3) ... [2019-10-13 19:23:05,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d39eb7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:05, skipping insertion in model container [2019-10-13 19:23:05,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:02" (2/3) ... [2019-10-13 19:23:05,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d39eb7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:05, skipping insertion in model container [2019-10-13 19:23:05,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:05" (3/3) ... [2019-10-13 19:23:05,138 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product20.cil.c [2019-10-13 19:23:05,148 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:23:05,158 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:23:05,170 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:23:05,215 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:23:05,216 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:23:05,216 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:23:05,216 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:23:05,216 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:23:05,217 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:23:05,217 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:23:05,217 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:23:05,264 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states. [2019-10-13 19:23:05,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-13 19:23:05,291 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:23:05,293 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:23:05,297 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:23:05,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:23:05,304 INFO L82 PathProgramCache]: Analyzing trace with hash 728591762, now seen corresponding path program 1 times [2019-10-13 19:23:05,313 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:23:05,314 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902580018] [2019-10-13 19:23:05,314 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:05,315 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:05,315 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:23:05,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:07,023 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 388 [2019-10-13 19:23:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:07,248 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-13 19:23:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:07,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:07,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:07,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:07,748 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 19:23:07,749 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902580018] [2019-10-13 19:23:07,750 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:23:07,750 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-13 19:23:07,751 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901427081] [2019-10-13 19:23:07,756 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-13 19:23:07,756 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:23:07,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-13 19:23:07,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-10-13 19:23:07,774 INFO L87 Difference]: Start difference. First operand 809 states. Second operand 12 states. [2019-10-13 19:23:10,190 WARN L191 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:23:11,103 WARN L191 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:23:11,947 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:23:12,891 WARN L191 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:23:13,793 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2019-10-13 19:23:17,061 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-10-13 19:23:34,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:23:34,350 INFO L93 Difference]: Finished difference Result 1621 states and 2797 transitions. [2019-10-13 19:23:34,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-13 19:23:34,353 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 93 [2019-10-13 19:23:34,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:23:34,394 INFO L225 Difference]: With dead ends: 1621 [2019-10-13 19:23:34,394 INFO L226 Difference]: Without dead ends: 979 [2019-10-13 19:23:34,407 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2019-10-13 19:23:34,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 979 states. [2019-10-13 19:23:34,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 979 to 648. [2019-10-13 19:23:34,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 648 states. [2019-10-13 19:23:34,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 1027 transitions. [2019-10-13 19:23:34,773 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 1027 transitions. Word has length 93 [2019-10-13 19:23:34,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:23:34,774 INFO L462 AbstractCegarLoop]: Abstraction has 648 states and 1027 transitions. [2019-10-13 19:23:34,774 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-13 19:23:34,775 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 1027 transitions. [2019-10-13 19:23:34,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-13 19:23:34,780 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:23:34,780 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:23:34,781 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:23:34,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:23:34,781 INFO L82 PathProgramCache]: Analyzing trace with hash -2105197679, now seen corresponding path program 1 times [2019-10-13 19:23:34,782 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:23:34,782 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682103464] [2019-10-13 19:23:34,782 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:34,782 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:23:34,782 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:23:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:35,728 WARN L191 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-13 19:23:35,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:35,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:35,936 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-13 19:23:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:36,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:36,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:23:36,227 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 19:23:36,227 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682103464] [2019-10-13 19:23:36,228 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:23:36,228 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 19:23:36,228 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094609803] [2019-10-13 19:23:36,231 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 19:23:36,231 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:23:36,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 19:23:36,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-10-13 19:23:36,232 INFO L87 Difference]: Start difference. First operand 648 states and 1027 transitions. Second operand 9 states. [2019-10-13 19:23:37,232 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-10-13 19:23:38,191 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:23:39,053 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-10-13 19:23:41,462 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 148