/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec9_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:35:42,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:35:42,747 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:35:42,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:35:42,765 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:35:42,767 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:35:42,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:35:42,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:35:42,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:35:42,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:35:42,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:35:42,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:35:42,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:35:42,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:35:42,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:35:42,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:35:42,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:35:42,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:35:42,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:35:42,793 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:35:42,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:35:42,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:35:42,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:35:42,797 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:35:42,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:35:42,800 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:35:42,800 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:35:42,801 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:35:42,801 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:35:42,802 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:35:42,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:35:42,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:35:42,804 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:35:42,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:35:42,805 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:35:42,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:35:42,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:35:42,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:35:42,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:35:42,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:35:42,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:35:42,809 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 21:35:42,830 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:35:42,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:35:42,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:35:42,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:35:42,832 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:35:42,832 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:35:42,832 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:35:42,832 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:35:42,833 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:35:42,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:35:42,833 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:35:42,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:35:42,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:35:42,833 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:35:42,834 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:35:42,834 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:35:42,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:35:42,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:35:42,834 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:35:42,835 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:35:42,835 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:35:42,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:35:42,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:35:42,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:35:42,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:35:42,836 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:35:42,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:35:42,836 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:35:42,836 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:35:43,104 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:35:43,117 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:35:43,120 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:35:43,122 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:35:43,122 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:35:43,123 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec9_product25.cil.c [2019-11-06 21:35:43,184 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74e74ba4e/99588f9f672647d29912b36a126c385c/FLAGa5f4ea6f6 [2019-11-06 21:35:43,861 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:35:43,863 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec9_product25.cil.c [2019-11-06 21:35:43,893 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74e74ba4e/99588f9f672647d29912b36a126c385c/FLAGa5f4ea6f6 [2019-11-06 21:35:44,026 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74e74ba4e/99588f9f672647d29912b36a126c385c [2019-11-06 21:35:44,036 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:35:44,037 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:35:44,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:35:44,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:35:44,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:35:44,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:35:44" (1/1) ... [2019-11-06 21:35:44,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d5173bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:44, skipping insertion in model container [2019-11-06 21:35:44,046 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:35:44" (1/1) ... [2019-11-06 21:35:44,054 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:35:44,140 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:35:44,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:35:44,862 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:35:44,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:35:45,076 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:35:45,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:45 WrapperNode [2019-11-06 21:35:45,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:35:45,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:35:45,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:35:45,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:35:45,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:45" (1/1) ... [2019-11-06 21:35:45,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:45" (1/1) ... [2019-11-06 21:35:45,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:45" (1/1) ... [2019-11-06 21:35:45,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:45" (1/1) ... [2019-11-06 21:35:45,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:45" (1/1) ... [2019-11-06 21:35:45,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:45" (1/1) ... [2019-11-06 21:35:45,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:45" (1/1) ... [2019-11-06 21:35:45,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:35:45,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:35:45,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:35:45,308 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:35:45,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:45" (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 21:35:45,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:35:45,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:35:45,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:35:45,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__1 [2019-11-06 21:35:45,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__2 [2019-11-06 21:35:45,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__3 [2019-11-06 21:35:45,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__4 [2019-11-06 21:35:45,375 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-11-06 21:35:45,375 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-11-06 21:35:45,375 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-11-06 21:35:45,376 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-11-06 21:35:45,376 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-11-06 21:35:45,376 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:35:45,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:35:45,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:35:45,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:35:45,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:35:45,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:35:45,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:35:45,378 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-11-06 21:35:45,378 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-11-06 21:35:45,378 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-11-06 21:35:45,378 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-11-06 21:35:45,379 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-11-06 21:35:45,379 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-11-06 21:35:45,379 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-11-06 21:35:45,379 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-11-06 21:35:45,379 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-06 21:35:45,380 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-11-06 21:35:45,380 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-11-06 21:35:45,380 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-11-06 21:35:45,380 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-06 21:35:45,380 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-11-06 21:35:45,381 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:35:45,381 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-06 21:35:45,381 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:35:45,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:35:45,381 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-11-06 21:35:45,382 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-11-06 21:35:45,382 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-11-06 21:35:45,382 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-11-06 21:35:45,382 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-11-06 21:35:45,382 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-11-06 21:35:45,382 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-11-06 21:35:45,383 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-11-06 21:35:45,383 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:35:45,383 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:35:45,383 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:35:45,383 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:35:45,383 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-11-06 21:35:45,384 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-11-06 21:35:45,384 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-11-06 21:35:45,384 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-11-06 21:35:45,384 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-11-06 21:35:45,384 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-11-06 21:35:45,385 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-11-06 21:35:45,385 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-11-06 21:35:45,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-11-06 21:35:45,385 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-11-06 21:35:45,385 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-11-06 21:35:45,385 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-11-06 21:35:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-11-06 21:35:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-11-06 21:35:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-11-06 21:35:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-11-06 21:35:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-11-06 21:35:45,387 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-11-06 21:35:45,387 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-11-06 21:35:45,387 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-11-06 21:35:45,387 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-11-06 21:35:45,387 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-11-06 21:35:45,387 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-11-06 21:35:45,388 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-06 21:35:45,388 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-11-06 21:35:45,388 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-11-06 21:35:45,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:35:45,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:35:45,389 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:35:45,389 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-11-06 21:35:45,389 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-11-06 21:35:45,389 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-11-06 21:35:45,389 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__1 [2019-11-06 21:35:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__2 [2019-11-06 21:35:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__3 [2019-11-06 21:35:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__4 [2019-11-06 21:35:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-11-06 21:35:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-11-06 21:35:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-11-06 21:35:45,391 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-11-06 21:35:45,391 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-06 21:35:45,391 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-11-06 21:35:45,391 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-11-06 21:35:45,391 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-11-06 21:35:45,392 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-11-06 21:35:45,392 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-11-06 21:35:45,392 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-11-06 21:35:45,392 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-11-06 21:35:45,392 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-06 21:35:45,392 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:35:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:35:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:35:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:35:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:35:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:35:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:35:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:35:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:35:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:35:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:35:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:35:45,395 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:35:45,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:35:45,395 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:35:45,395 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:35:45,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:35:45,395 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:35:45,396 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 21:35:45,396 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-11-06 21:35:45,396 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-11-06 21:35:45,396 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-11-06 21:35:45,396 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-11-06 21:35:45,396 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-11-06 21:35:45,397 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-11-06 21:35:45,397 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-11-06 21:35:45,397 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-11-06 21:35:45,397 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-11-06 21:35:45,397 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-11-06 21:35:45,397 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-11-06 21:35:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-06 21:35:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-11-06 21:35:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:35:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-06 21:35:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:35:45,399 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:35:45,399 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:35:45,399 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:35:45,399 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-11-06 21:35:45,399 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-11-06 21:35:45,399 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-11-06 21:35:45,400 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-11-06 21:35:45,400 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-11-06 21:35:45,400 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-11-06 21:35:45,400 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-11-06 21:35:45,400 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:35:45,401 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:35:45,401 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-11-06 21:35:45,401 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-11-06 21:35:45,401 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-11-06 21:35:45,401 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-11-06 21:35:45,401 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-11-06 21:35:45,402 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-11-06 21:35:45,402 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-11-06 21:35:45,402 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-11-06 21:35:45,402 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-11-06 21:35:45,402 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-11-06 21:35:45,402 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-11-06 21:35:45,403 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-11-06 21:35:45,403 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-11-06 21:35:45,403 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-11-06 21:35:45,403 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-11-06 21:35:45,403 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-11-06 21:35:45,403 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-11-06 21:35:45,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:35:45,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:35:45,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:35:47,465 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:35:47,465 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-06 21:35:47,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:35:47 BoogieIcfgContainer [2019-11-06 21:35:47,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:35:47,469 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:35:47,469 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:35:47,472 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:35:47,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:35:44" (1/3) ... [2019-11-06 21:35:47,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fe08382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:35:47, skipping insertion in model container [2019-11-06 21:35:47,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:45" (2/3) ... [2019-11-06 21:35:47,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fe08382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:35:47, skipping insertion in model container [2019-11-06 21:35:47,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:35:47" (3/3) ... [2019-11-06 21:35:47,476 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product25.cil.c [2019-11-06 21:35:47,486 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:35:47,496 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:35:47,507 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:35:47,552 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:35:47,553 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:35:47,553 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:35:47,553 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:35:47,553 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:35:47,553 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:35:47,553 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:35:47,554 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:35:47,592 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states. [2019-11-06 21:35:47,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-11-06 21:35:47,619 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:35:47,620 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:35:47,622 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:35:47,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:35:47,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1728086077, now seen corresponding path program 1 times [2019-11-06 21:35:47,637 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:35:47,638 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979477270] [2019-11-06 21:35:47,638 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:35:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,076 WARN L191 SmtUtils]: Spent 896.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-11-06 21:35:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,346 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-06 21:35:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,536 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-11-06 21:35:49,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:35:49,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 21:35:49,845 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979477270] [2019-11-06 21:35:49,846 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:35:49,846 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-06 21:35:49,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660549629] [2019-11-06 21:35:49,857 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-06 21:35:49,857 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:35:49,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-06 21:35:49,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-06 21:35:49,874 INFO L87 Difference]: Start difference. First operand 749 states. Second operand 10 states. [2019-11-06 21:35:50,752 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-11-06 21:35:51,665 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-11-06 21:35:52,504 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2019-11-06 21:35:54,296 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-11-06 21:35:55,316 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-11-06 21:36:11,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:36:11,037 INFO L93 Difference]: Finished difference Result 1717 states and 3040 transitions. [2019-11-06 21:36:11,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-06 21:36:11,038 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 109 [2019-11-06 21:36:11,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:36:11,075 INFO L225 Difference]: With dead ends: 1717 [2019-11-06 21:36:11,075 INFO L226 Difference]: Without dead ends: 1117 [2019-11-06 21:36:11,092 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2019-11-06 21:36:11,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2019-11-06 21:36:11,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 589. [2019-11-06 21:36:11,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2019-11-06 21:36:11,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 945 transitions. [2019-11-06 21:36:11,455 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 945 transitions. Word has length 109 [2019-11-06 21:36:11,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:36:11,456 INFO L462 AbstractCegarLoop]: Abstraction has 589 states and 945 transitions. [2019-11-06 21:36:11,456 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-06 21:36:11,456 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 945 transitions. [2019-11-06 21:36:11,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-11-06 21:36:11,472 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:36:11,472 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:36:11,473 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:36:11,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:36:11,473 INFO L82 PathProgramCache]: Analyzing trace with hash 1757589142, now seen corresponding path program 1 times [2019-11-06 21:36:11,473 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:36:11,473 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743059771] [2019-11-06 21:36:11,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:36:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:12,511 WARN L191 SmtUtils]: Spent 851.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-11-06 21:36:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:12,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:12,788 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-06 21:36:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:13,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:13,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:13,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:13,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:13,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:36:13,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 21:36:13,278 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743059771] [2019-11-06 21:36:13,278 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:36:13,278 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-06 21:36:13,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480283513] [2019-11-06 21:36:13,280 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-06 21:36:13,281 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:36:13,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-06 21:36:13,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-11-06 21:36:13,281 INFO L87 Difference]: Start difference. First operand 589 states and 945 transitions. Second operand 13 states. [2019-11-06 21:36:14,969 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-11-06 21:36:15,858 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-11-06 21:36:16,697 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2019-11-06 21:36:18,841 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-11-06 21:36:19,972 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2019-11-06 21:36:20,345 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-11-06 21:36:21,176 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-11-06 21:36:21,437 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-11-06 21:36:22,242 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-11-06 21:36:23,719 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 121