/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec3_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:33:52,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:33:52,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:33:52,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:33:52,222 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:33:52,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:33:52,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:33:52,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:33:52,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:33:52,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:33:52,230 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:33:52,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:33:52,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:33:52,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:33:52,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:33:52,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:33:52,235 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:33:52,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:33:52,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:33:52,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:33:52,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:33:52,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:33:52,243 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:33:52,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:33:52,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:33:52,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:33:52,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:33:52,247 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:33:52,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:33:52,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:33:52,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:33:52,249 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:33:52,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:33:52,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:33:52,252 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:33:52,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:33:52,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:33:52,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:33:52,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:33:52,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:33:52,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:33:52,255 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 21:33:52,270 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:33:52,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:33:52,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:33:52,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:33:52,271 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:33:52,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:33:52,272 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:33:52,272 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:33:52,272 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:33:52,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:33:52,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:33:52,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:33:52,273 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:33:52,273 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:33:52,273 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:33:52,274 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:33:52,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:33:52,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:33:52,274 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:33:52,274 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:33:52,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:33:52,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:33:52,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:33:52,275 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:33:52,275 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:33:52,276 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:33:52,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:33:52,276 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:33:52,276 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:33:52,541 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:33:52,553 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:33:52,557 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:33:52,558 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:33:52,558 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:33:52,559 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product11.cil.c [2019-11-06 21:33:52,632 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9a2d5ee6/f98c6b2e1a6644fbb2e588c8ab113747/FLAG6205b40d2 [2019-11-06 21:33:53,185 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:33:53,185 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product11.cil.c [2019-11-06 21:33:53,206 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9a2d5ee6/f98c6b2e1a6644fbb2e588c8ab113747/FLAG6205b40d2 [2019-11-06 21:33:53,459 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9a2d5ee6/f98c6b2e1a6644fbb2e588c8ab113747 [2019-11-06 21:33:53,469 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:33:53,470 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:33:53,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:33:53,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:33:53,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:33:53,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:33:53" (1/1) ... [2019-11-06 21:33:53,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2665c650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:33:53, skipping insertion in model container [2019-11-06 21:33:53,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:33:53" (1/1) ... [2019-11-06 21:33:53,490 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:33:53,576 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:33:54,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:33:54,163 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:33:54,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:33:54,411 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:33:54,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:33:54 WrapperNode [2019-11-06 21:33:54,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:33:54,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:33:54,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:33:54,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:33:54,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:33:54" (1/1) ... [2019-11-06 21:33:54,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:33:54" (1/1) ... [2019-11-06 21:33:54,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:33:54" (1/1) ... [2019-11-06 21:33:54,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:33:54" (1/1) ... [2019-11-06 21:33:54,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:33:54" (1/1) ... [2019-11-06 21:33:54,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:33:54" (1/1) ... [2019-11-06 21:33:54,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:33:54" (1/1) ... [2019-11-06 21:33:54,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:33:54,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:33:54,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:33:54,622 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:33:54,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:33:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:33:54,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:33:54,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:33:54,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:33:54,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:33:54,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:33:54,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:33:54,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:33:54,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:33:54,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:33:54,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:33:54,701 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-11-06 21:33:54,702 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-11-06 21:33:54,702 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-11-06 21:33:54,702 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-11-06 21:33:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-11-06 21:33:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-11-06 21:33:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2019-11-06 21:33:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-11-06 21:33:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-11-06 21:33:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-11-06 21:33:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-11-06 21:33:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-11-06 21:33:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-11-06 21:33:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-11-06 21:33:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-11-06 21:33:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-06 21:33:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-11-06 21:33:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-11-06 21:33:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-11-06 21:33:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-06 21:33:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-11-06 21:33:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:33:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-06 21:33:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:33:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:33:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-11-06 21:33:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-11-06 21:33:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-11-06 21:33:54,710 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-11-06 21:33:54,710 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-11-06 21:33:54,710 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-11-06 21:33:54,711 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-11-06 21:33:54,711 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-11-06 21:33:54,711 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-11-06 21:33:54,711 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-11-06 21:33:54,711 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-11-06 21:33:54,711 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-11-06 21:33:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-11-06 21:33:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-11-06 21:33:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-11-06 21:33:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-11-06 21:33:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-11-06 21:33:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-11-06 21:33:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-11-06 21:33:54,713 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-11-06 21:33:54,713 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-11-06 21:33:54,713 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-11-06 21:33:54,713 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-11-06 21:33:54,713 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-06 21:33:54,714 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-11-06 21:33:54,714 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-11-06 21:33:54,714 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-11-06 21:33:54,714 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-11-06 21:33:54,715 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-11-06 21:33:54,715 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-11-06 21:33:54,715 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-11-06 21:33:54,715 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-11-06 21:33:54,715 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-11-06 21:33:54,716 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-11-06 21:33:54,716 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-11-06 21:33:54,717 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-11-06 21:33:54,717 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:33:54,717 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:33:54,717 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:33:54,718 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:33:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:33:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:33:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:33:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:33:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:33:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:33:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:33:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:33:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:33:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:33:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:33:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:33:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:33:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:33:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:33:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:33:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:33:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:33:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:33:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:33:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-11-06 21:33:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-11-06 21:33:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-06 21:33:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-11-06 21:33:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-11-06 21:33:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-11-06 21:33:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-11-06 21:33:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-11-06 21:33:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-11-06 21:33:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-11-06 21:33:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-11-06 21:33:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-11-06 21:33:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-11-06 21:33:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-11-06 21:33:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-11-06 21:33:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2019-11-06 21:33:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 21:33:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-11-06 21:33:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-11-06 21:33:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-11-06 21:33:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-11-06 21:33:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-11-06 21:33:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-11-06 21:33:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-11-06 21:33:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-11-06 21:33:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-11-06 21:33:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-06 21:33:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-11-06 21:33:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-11-06 21:33:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-11-06 21:33:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-06 21:33:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-11-06 21:33:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:33:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:33:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-06 21:33:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:33:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:33:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:33:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:33:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:33:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-11-06 21:33:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-11-06 21:33:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-11-06 21:33:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-11-06 21:33:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-11-06 21:33:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-11-06 21:33:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-11-06 21:33:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-11-06 21:33:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-11-06 21:33:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-11-06 21:33:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-11-06 21:33:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-11-06 21:33:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-11-06 21:33:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-11-06 21:33:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-11-06 21:33:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-11-06 21:33:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-11-06 21:33:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-11-06 21:33:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-11-06 21:33:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-11-06 21:33:54,746 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-11-06 21:33:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-11-06 21:33:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-11-06 21:33:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-11-06 21:33:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-11-06 21:33:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-11-06 21:33:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:33:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:33:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:33:54,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:33:56,950 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:33:56,950 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-06 21:33:56,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:33:56 BoogieIcfgContainer [2019-11-06 21:33:56,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:33:56,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:33:56,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:33:56,957 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:33:56,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:33:53" (1/3) ... [2019-11-06 21:33:56,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@acf7603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:33:56, skipping insertion in model container [2019-11-06 21:33:56,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:33:54" (2/3) ... [2019-11-06 21:33:56,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@acf7603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:33:56, skipping insertion in model container [2019-11-06 21:33:56,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:33:56" (3/3) ... [2019-11-06 21:33:56,960 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product11.cil.c [2019-11-06 21:33:56,969 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:33:56,979 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:33:56,990 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:33:57,021 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:33:57,021 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:33:57,021 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:33:57,021 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:33:57,021 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:33:57,022 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:33:57,022 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:33:57,022 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:33:57,058 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states. [2019-11-06 21:33:57,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-11-06 21:33:57,081 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:33:57,083 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:33:57,084 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:33:57,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:33:57,091 INFO L82 PathProgramCache]: Analyzing trace with hash 1989495119, now seen corresponding path program 1 times [2019-11-06 21:33:57,100 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:33:57,100 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558763084] [2019-11-06 21:33:57,101 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:33:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:58,575 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2019-11-06 21:33:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:58,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:58,830 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-11-06 21:33:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:58,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:58,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:59,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:59,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:59,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:59,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:59,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:59,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:59,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:59,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:59,400 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-06 21:33:59,401 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558763084] [2019-11-06 21:33:59,402 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:33:59,402 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-06 21:33:59,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77474584] [2019-11-06 21:33:59,409 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-06 21:33:59,409 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:33:59,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-06 21:33:59,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2019-11-06 21:33:59,424 INFO L87 Difference]: Start difference. First operand 785 states. Second operand 13 states. [2019-11-06 21:34:00,942 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-11-06 21:34:01,957 WARN L191 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-11-06 21:34:02,880 WARN L191 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-11-06 21:34:03,726 WARN L191 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-11-06 21:34:04,636 WARN L191 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-11-06 21:34:05,462 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 378 [2019-11-06 21:34:11,002 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-11-06 21:34:28,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:34:28,271 INFO L93 Difference]: Finished difference Result 1575 states and 2758 transitions. [2019-11-06 21:34:28,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-11-06 21:34:28,273 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 141 [2019-11-06 21:34:28,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:34:28,311 INFO L225 Difference]: With dead ends: 1575 [2019-11-06 21:34:28,312 INFO L226 Difference]: Without dead ends: 944 [2019-11-06 21:34:28,327 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=215, Invalid=655, Unknown=0, NotChecked=0, Total=870 [2019-11-06 21:34:28,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2019-11-06 21:34:28,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 631. [2019-11-06 21:34:28,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 631 states. [2019-11-06 21:34:28,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 1007 transitions. [2019-11-06 21:34:28,615 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 1007 transitions. Word has length 141 [2019-11-06 21:34:28,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:34:28,616 INFO L462 AbstractCegarLoop]: Abstraction has 631 states and 1007 transitions. [2019-11-06 21:34:28,616 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-06 21:34:28,616 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 1007 transitions. [2019-11-06 21:34:28,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-11-06 21:34:28,624 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:34:28,624 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:34:28,625 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:34:28,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:34:28,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1567093572, now seen corresponding path program 1 times [2019-11-06 21:34:28,626 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:34:28,626 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902248251] [2019-11-06 21:34:28,626 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:34:28,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:29,636 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2019-11-06 21:34:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:29,844 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-11-06 21:34:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:30,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:30,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:30,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:30,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:30,155 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-06 21:34:30,156 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902248251] [2019-11-06 21:34:30,156 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:34:30,156 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-06 21:34:30,156 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272762082] [2019-11-06 21:34:30,162 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-06 21:34:30,162 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:34:30,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-06 21:34:30,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-11-06 21:34:30,163 INFO L87 Difference]: Start difference. First operand 631 states and 1007 transitions. Second operand 10 states. [2019-11-06 21:34:32,183 WARN L191 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-11-06 21:34:32,977 WARN L191 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 379