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_spec2_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:22:08,573 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:22:08,576 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:22:08,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:22:08,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:22:08,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:22:08,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:22:08,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:22:08,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:22:08,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:22:08,618 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:22:08,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:22:08,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:22:08,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:22:08,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:22:08,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:22:08,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:22:08,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:22:08,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:22:08,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:22:08,642 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:22:08,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:22:08,649 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:22:08,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:22:08,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:22:08,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:22:08,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:22:08,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:22:08,656 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:22:08,657 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:22:08,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:22:08,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:22:08,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:22:08,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:22:08,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:22:08,663 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:22:08,664 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:22:08,664 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:22:08,664 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:22:08,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:22:08,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:22:08,667 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 19:22:08,704 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:22:08,705 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:22:08,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:22:08,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:22:08,708 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:22:08,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:22:08,709 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:22:08,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:22:08,709 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:22:08,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:22:08,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:22:08,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:22:08,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:22:08,713 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:22:08,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:22:08,714 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:22:08,714 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:22:08,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:22:08,714 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:22:08,714 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:22:08,715 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:22:08,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:22:08,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:22:08,716 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:22:08,716 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:22:08,716 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:22:08,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:22:08,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:22:08,717 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:22:08,974 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:22:08,989 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:22:08,993 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:22:08,994 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:22:08,994 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:22:08,995 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product25.cil.c [2019-10-13 19:22:09,067 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b671c961/d3dc23bb70374c55af000fd1bfd04a55/FLAG4dc87562e [2019-10-13 19:22:09,712 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:22:09,713 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product25.cil.c [2019-10-13 19:22:09,738 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b671c961/d3dc23bb70374c55af000fd1bfd04a55/FLAG4dc87562e [2019-10-13 19:22:09,858 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b671c961/d3dc23bb70374c55af000fd1bfd04a55 [2019-10-13 19:22:09,868 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:22:09,870 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:22:09,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:22:09,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:22:09,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:22:09,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:22:09" (1/1) ... [2019-10-13 19:22:09,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4432d2ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:09, skipping insertion in model container [2019-10-13 19:22:09,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:22:09" (1/1) ... [2019-10-13 19:22:09,885 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:22:09,962 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:22:10,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:22:10,711 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:22:10,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:22:10,894 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:22:10,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:10 WrapperNode [2019-10-13 19:22:10,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:22:10,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:22:10,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:22:10,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:22:10,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:10" (1/1) ... [2019-10-13 19:22:10,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:10" (1/1) ... [2019-10-13 19:22:10,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:10" (1/1) ... [2019-10-13 19:22:10,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:10" (1/1) ... [2019-10-13 19:22:11,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:10" (1/1) ... [2019-10-13 19:22:11,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:10" (1/1) ... [2019-10-13 19:22:11,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:10" (1/1) ... [2019-10-13 19:22:11,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:22:11,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:22:11,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:22:11,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:22:11,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:22:11,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:22:11,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:22:11,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:22:11,173 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:22:11,173 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:22:11,174 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:22:11,175 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:22:11,175 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:22:11,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-13 19:22:11,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-13 19:22:11,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2019-10-13 19:22:11,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2019-10-13 19:22:11,177 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-13 19:22:11,177 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-13 19:22:11,179 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-13 19:22:11,179 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-13 19:22:11,182 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-13 19:22:11,182 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-13 19:22:11,182 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-13 19:22:11,182 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-13 19:22:11,183 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-13 19:22:11,183 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-13 19:22:11,183 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-13 19:22:11,184 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-13 19:22:11,184 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-13 19:22:11,184 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-13 19:22:11,184 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-13 19:22:11,184 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-13 19:22:11,185 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-13 19:22:11,185 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-13 19:22:11,185 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-13 19:22:11,185 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-13 19:22:11,185 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-13 19:22:11,186 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-13 19:22:11,186 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-13 19:22:11,186 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:22:11,186 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-13 19:22:11,186 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-13 19:22:11,186 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-13 19:22:11,187 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-13 19:22:11,187 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-13 19:22:11,187 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-13 19:22:11,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-13 19:22:11,188 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-13 19:22:11,188 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-13 19:22:11,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-13 19:22:11,188 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-13 19:22:11,188 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-13 19:22:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-13 19:22:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-13 19:22:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-13 19:22:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:22:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:22:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:22:11,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:22:11,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:22:11,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:22:11,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:22:11,190 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-13 19:22:11,191 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-13 19:22:11,191 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-13 19:22:11,191 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-13 19:22:11,191 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-13 19:22:11,191 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-13 19:22:11,191 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-13 19:22:11,192 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-13 19:22:11,192 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:22:11,192 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-13 19:22:11,192 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-13 19:22:11,193 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-13 19:22:11,193 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:22:11,193 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-13 19:22:11,193 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:22:11,193 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:22:11,194 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:22:11,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:22:11,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:22:11,195 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:22:11,195 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:22:11,195 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:22:11,195 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:22:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-13 19:22:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:22:11,197 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:22:11,197 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:22:11,197 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-13 19:22:11,197 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-13 19:22:11,198 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-13 19:22:11,198 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-13 19:22:11,199 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2019-10-13 19:22:11,199 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2019-10-13 19:22:11,200 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:22:11,200 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-13 19:22:11,200 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-13 19:22:11,200 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-13 19:22:11,200 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-13 19:22:11,200 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-13 19:22:11,201 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-13 19:22:11,201 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-13 19:22:11,201 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-13 19:22:11,201 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-13 19:22:11,201 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:22:11,201 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-13 19:22:11,202 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-13 19:22:11,202 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-13 19:22:11,202 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-13 19:22:11,202 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-13 19:22:11,202 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-13 19:22:11,203 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-13 19:22:11,203 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-13 19:22:11,203 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-13 19:22:11,203 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-13 19:22:11,203 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-13 19:22:11,203 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-13 19:22:11,204 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-13 19:22:11,204 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-13 19:22:11,204 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-13 19:22:11,205 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-13 19:22:11,205 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-13 19:22:11,205 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-13 19:22:11,206 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-13 19:22:11,206 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-13 19:22:11,206 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-13 19:22:11,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:22:11,208 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-13 19:22:11,208 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-13 19:22:11,208 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-13 19:22:11,208 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-13 19:22:11,208 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-13 19:22:11,209 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-13 19:22:11,209 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:22:11,209 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:22:11,209 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:22:11,210 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:22:11,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:22:11,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:22:11,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:22:11,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:22:11,211 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:22:11,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:22:11,215 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:22:11,216 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:22:11,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:22:11,217 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:22:11,224 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:22:11,225 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:22:11,225 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 19:22:11,225 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-13 19:22:11,226 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-13 19:22:11,226 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-13 19:22:11,226 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-13 19:22:11,226 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-13 19:22:11,227 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-13 19:22:11,227 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-13 19:22:11,227 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-13 19:22:11,227 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-13 19:22:11,227 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-13 19:22:11,227 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:22:11,227 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-13 19:22:11,228 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:22:11,228 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:22:11,228 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:22:11,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:22:11,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:22:11,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:22:13,688 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:22:13,689 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-13 19:22:13,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:22:13 BoogieIcfgContainer [2019-10-13 19:22:13,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:22:13,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:22:13,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:22:13,695 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:22:13,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:22:09" (1/3) ... [2019-10-13 19:22:13,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3052a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:22:13, skipping insertion in model container [2019-10-13 19:22:13,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:10" (2/3) ... [2019-10-13 19:22:13,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3052a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:22:13, skipping insertion in model container [2019-10-13 19:22:13,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:22:13" (3/3) ... [2019-10-13 19:22:13,698 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product25.cil.c [2019-10-13 19:22:13,708 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:22:13,717 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:22:13,729 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:22:13,761 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:22:13,761 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:22:13,761 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:22:13,761 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:22:13,761 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:22:13,762 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:22:13,762 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:22:13,762 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:22:13,796 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states. [2019-10-13 19:22:13,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-13 19:22:13,822 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:22:13,823 INFO L380 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] [2019-10-13 19:22:13,828 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:22:13,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:22:13,834 INFO L82 PathProgramCache]: Analyzing trace with hash -517241816, now seen corresponding path program 1 times [2019-10-13 19:22:13,844 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:22:13,844 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30109317] [2019-10-13 19:22:13,845 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:22:13,845 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:22:13,845 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:22:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:15,393 WARN L191 SmtUtils]: Spent 953.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-13 19:22:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:15,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:15,777 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-13 19:22:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:16,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:16,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:22:16,273 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30109317] [2019-10-13 19:22:16,274 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:22:16,275 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 19:22:16,275 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901685622] [2019-10-13 19:22:16,282 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 19:22:16,283 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:22:16,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 19:22:16,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:22:16,301 INFO L87 Difference]: Start difference. First operand 758 states. Second operand 10 states. [2019-10-13 19:22:18,266 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:22:19,167 WARN L191 SmtUtils]: Spent 872.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2019-10-13 19:22:20,862 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-10-13 19:22:22,048 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-13 19:22:39,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:22:39,762 INFO L93 Difference]: Finished difference Result 1735 states and 3070 transitions. [2019-10-13 19:22:39,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 19:22:39,764 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 107 [2019-10-13 19:22:39,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:22:39,800 INFO L225 Difference]: With dead ends: 1735 [2019-10-13 19:22:39,800 INFO L226 Difference]: Without dead ends: 1126 [2019-10-13 19:22:39,811 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2019-10-13 19:22:39,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2019-10-13 19:22:40,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 598. [2019-10-13 19:22:40,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2019-10-13 19:22:40,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 960 transitions. [2019-10-13 19:22:40,093 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 960 transitions. Word has length 107 [2019-10-13 19:22:40,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:22:40,094 INFO L462 AbstractCegarLoop]: Abstraction has 598 states and 960 transitions. [2019-10-13 19:22:40,094 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 19:22:40,094 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 960 transitions. [2019-10-13 19:22:40,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-10-13 19:22:40,100 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:22:40,100 INFO L380 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] [2019-10-13 19:22:40,101 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:22:40,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:22:40,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1593007226, now seen corresponding path program 1 times [2019-10-13 19:22:40,102 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:22:40,102 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916271171] [2019-10-13 19:22:40,102 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:22:40,102 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:22:40,103 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:22:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:40,991 WARN L191 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-10-13 19:22:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:41,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:41,241 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-13 19:22:41,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:41,387 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-13 19:22:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:41,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:41,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:22:41,749 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916271171] [2019-10-13 19:22:41,749 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:22:41,749 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-13 19:22:41,750 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645995872] [2019-10-13 19:22:41,751 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-13 19:22:41,751 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:22:41,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-13 19:22:41,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-13 19:22:41,752 INFO L87 Difference]: Start difference. First operand 598 states and 960 transitions. Second operand 13 states. [2019-10-13 19:22:43,081 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-13 19:22:43,925 WARN L191 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:22:44,730 WARN L191 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2019-10-13 19:22:47,061 WARN L191 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:22:48,005 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:22:48,812 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 19:22:49,048 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-10-13 19:22:49,690 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 127