/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_spec2_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:32:02,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:32:02,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:32:02,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:32:02,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:32:02,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:32:02,192 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:32:02,194 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:32:02,195 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:32:02,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:32:02,197 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:32:02,199 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:32:02,199 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:32:02,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:32:02,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:32:02,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:32:02,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:32:02,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:32:02,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:32:02,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:32:02,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:32:02,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:32:02,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:32:02,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:32:02,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:32:02,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:32:02,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:32:02,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:32:02,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:32:02,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:32:02,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:32:02,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:32:02,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:32:02,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:32:02,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:32:02,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:32:02,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:32:02,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:32:02,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:32:02,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:32:02,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:32:02,225 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 21:32:02,240 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:32:02,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:32:02,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:32:02,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:32:02,242 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:32:02,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:32:02,242 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:32:02,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:32:02,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:32:02,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:32:02,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:32:02,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:32:02,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:32:02,244 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:32:02,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:32:02,244 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:32:02,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:32:02,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:32:02,245 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:32:02,245 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:32:02,245 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:32:02,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:32:02,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:32:02,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:32:02,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:32:02,246 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:32:02,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:32:02,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:32:02,247 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:32:02,538 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:32:02,559 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:32:02,566 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:32:02,567 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:32:02,568 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:32:02,568 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product18.cil.c [2019-11-06 21:32:02,641 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f9b577aa/8543bdf7bf6946d0a2510845997be7a9/FLAG3394b2ced [2019-11-06 21:32:03,321 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:32:03,321 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product18.cil.c [2019-11-06 21:32:03,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f9b577aa/8543bdf7bf6946d0a2510845997be7a9/FLAG3394b2ced [2019-11-06 21:32:03,498 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f9b577aa/8543bdf7bf6946d0a2510845997be7a9 [2019-11-06 21:32:03,508 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:32:03,509 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:32:03,510 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:32:03,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:32:03,514 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:32:03,515 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:32:03" (1/1) ... [2019-11-06 21:32:03,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@195cbd31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:03, skipping insertion in model container [2019-11-06 21:32:03,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:32:03" (1/1) ... [2019-11-06 21:32:03,526 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:32:03,610 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:32:04,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:32:04,270 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:32:04,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:32:04,552 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:32:04,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:04 WrapperNode [2019-11-06 21:32:04,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:32:04,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:32:04,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:32:04,554 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:32:04,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:04" (1/1) ... [2019-11-06 21:32:04,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:04" (1/1) ... [2019-11-06 21:32:04,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:04" (1/1) ... [2019-11-06 21:32:04,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:04" (1/1) ... [2019-11-06 21:32:04,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:04" (1/1) ... [2019-11-06 21:32:04,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:04" (1/1) ... [2019-11-06 21:32:04,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:04" (1/1) ... [2019-11-06 21:32:04,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:32:04,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:32:04,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:32:04,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:32:04,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:04" (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 21:32:04,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:32:04,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:32:04,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:32:04,868 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-11-06 21:32:04,868 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-11-06 21:32:04,869 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:32:04,869 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-11-06 21:32:04,870 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-11-06 21:32:04,870 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-11-06 21:32:04,870 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:32:04,870 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:32:04,871 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:32:04,871 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:32:04,871 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-11-06 21:32:04,872 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-11-06 21:32:04,873 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-11-06 21:32:04,875 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-11-06 21:32:04,875 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-11-06 21:32:04,875 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-11-06 21:32:04,875 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-11-06 21:32:04,876 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-11-06 21:32:04,876 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-11-06 21:32:04,876 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-11-06 21:32:04,876 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-11-06 21:32:04,877 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-11-06 21:32:04,877 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-11-06 21:32:04,877 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-11-06 21:32:04,877 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-11-06 21:32:04,877 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-11-06 21:32:04,877 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-11-06 21:32:04,878 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-11-06 21:32:04,878 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-11-06 21:32:04,878 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-11-06 21:32:04,878 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-11-06 21:32:04,878 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-11-06 21:32:04,879 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__weight [2019-11-06 21:32:04,879 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-06 21:32:04,879 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__weight [2019-11-06 21:32:04,879 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-11-06 21:32:04,879 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-11-06 21:32:04,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:32:04,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:32:04,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:32:04,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:32:04,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:32:04,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:32:04,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:32:04,881 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-11-06 21:32:04,882 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-11-06 21:32:04,882 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-11-06 21:32:04,882 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-11-06 21:32:04,882 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-11-06 21:32:04,882 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-11-06 21:32:04,883 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-11-06 21:32:04,883 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-11-06 21:32:04,883 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-06 21:32:04,883 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-11-06 21:32:04,883 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-11-06 21:32:04,883 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-11-06 21:32:04,884 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-06 21:32:04,884 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-11-06 21:32:04,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:32:04,884 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-06 21:32:04,884 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:32:04,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-11-06 21:32:04,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-11-06 21:32:04,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2019-11-06 21:32:04,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2019-11-06 21:32:04,885 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-11-06 21:32:04,886 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-11-06 21:32:04,886 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-11-06 21:32:04,886 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-11-06 21:32:04,886 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-11-06 21:32:04,886 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-11-06 21:32:04,887 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-11-06 21:32:04,887 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-11-06 21:32:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:32:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:32:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-11-06 21:32:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-11-06 21:32:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-06 21:32:04,889 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-11-06 21:32:04,889 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-11-06 21:32:04,890 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-11-06 21:32:04,890 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-11-06 21:32:04,890 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-11-06 21:32:04,890 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-11-06 21:32:04,891 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-11-06 21:32:04,891 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-06 21:32:04,892 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:32:04,892 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-11-06 21:32:04,893 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-11-06 21:32:04,893 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:32:04,893 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:32:04,893 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:32:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:32:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:32:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-11-06 21:32:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-11-06 21:32:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-11-06 21:32:04,895 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-11-06 21:32:04,895 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-11-06 21:32:04,895 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-11-06 21:32:04,895 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-11-06 21:32:04,895 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-11-06 21:32:04,895 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-11-06 21:32:04,896 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-11-06 21:32:04,896 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-11-06 21:32:04,896 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-11-06 21:32:04,896 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-11-06 21:32:04,896 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-11-06 21:32:04,897 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-11-06 21:32:04,897 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-11-06 21:32:04,897 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-11-06 21:32:04,897 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-11-06 21:32:04,897 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-11-06 21:32:04,898 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-11-06 21:32:04,898 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-11-06 21:32:04,898 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-11-06 21:32:04,898 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-11-06 21:32:04,899 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-11-06 21:32:04,899 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-11-06 21:32:04,899 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-11-06 21:32:04,900 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__weight [2019-11-06 21:32:04,901 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2019-11-06 21:32:04,901 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__weight [2019-11-06 21:32:04,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:32:04,901 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-11-06 21:32:04,901 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:32:04,902 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:32:04,902 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:32:04,902 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:32:04,902 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:32:04,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:32:04,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:32:04,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:32:04,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:32:04,903 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:32:04,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:32:04,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:32:04,907 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:32:04,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:32:04,908 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:32:04,909 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:32:04,915 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:32:04,915 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 21:32:04,915 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-11-06 21:32:04,915 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-11-06 21:32:04,915 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-11-06 21:32:04,915 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-11-06 21:32:04,916 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-11-06 21:32:04,916 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-11-06 21:32:04,916 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-11-06 21:32:04,916 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-11-06 21:32:04,916 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-11-06 21:32:04,916 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-11-06 21:32:04,916 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-06 21:32:04,916 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-11-06 21:32:04,917 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:32:04,918 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-11-06 21:32:04,918 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2019-11-06 21:32:04,919 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-06 21:32:04,919 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:32:04,919 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-11-06 21:32:04,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:32:04,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:32:04,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:32:07,453 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:32:07,453 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-06 21:32:07,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:32:07 BoogieIcfgContainer [2019-11-06 21:32:07,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:32:07,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:32:07,457 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:32:07,460 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:32:07,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:32:03" (1/3) ... [2019-11-06 21:32:07,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3575394f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:32:07, skipping insertion in model container [2019-11-06 21:32:07,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:04" (2/3) ... [2019-11-06 21:32:07,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3575394f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:32:07, skipping insertion in model container [2019-11-06 21:32:07,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:32:07" (3/3) ... [2019-11-06 21:32:07,465 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product18.cil.c [2019-11-06 21:32:07,475 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:32:07,485 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:32:07,497 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:32:07,538 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:32:07,539 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:32:07,539 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:32:07,539 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:32:07,539 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:32:07,539 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:32:07,539 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:32:07,539 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:32:07,581 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states. [2019-11-06 21:32:07,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-11-06 21:32:07,597 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:32:07,599 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] [2019-11-06 21:32:07,601 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:32:07,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:32:07,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1188892362, now seen corresponding path program 1 times [2019-11-06 21:32:07,615 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:32:07,615 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57600286] [2019-11-06 21:32:07,615 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:32:07,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:09,219 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 397 [2019-11-06 21:32:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:09,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:09,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:09,575 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-06 21:32:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:10,023 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 21:32:10,024 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57600286] [2019-11-06 21:32:10,025 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:32:10,026 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-06 21:32:10,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706863544] [2019-11-06 21:32:10,031 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 21:32:10,032 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:32:10,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 21:32:10,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-11-06 21:32:10,049 INFO L87 Difference]: Start difference. First operand 758 states. Second operand 9 states. [2019-11-06 21:32:12,077 WARN L191 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2019-11-06 21:32:12,964 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2019-11-06 21:32:14,629 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-11-06 21:32:36,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:32:36,126 INFO L93 Difference]: Finished difference Result 1616 states and 2828 transitions. [2019-11-06 21:32:36,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-06 21:32:36,129 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 85 [2019-11-06 21:32:36,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:32:36,167 INFO L225 Difference]: With dead ends: 1616 [2019-11-06 21:32:36,167 INFO L226 Difference]: Without dead ends: 1029 [2019-11-06 21:32:36,179 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2019-11-06 21:32:36,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2019-11-06 21:32:36,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 591. [2019-11-06 21:32:36,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2019-11-06 21:32:36,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 950 transitions. [2019-11-06 21:32:36,451 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 950 transitions. Word has length 85 [2019-11-06 21:32:36,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:32:36,451 INFO L462 AbstractCegarLoop]: Abstraction has 591 states and 950 transitions. [2019-11-06 21:32:36,451 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-06 21:32:36,452 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 950 transitions. [2019-11-06 21:32:36,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-06 21:32:36,459 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:32:36,460 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] [2019-11-06 21:32:36,460 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:32:36,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:32:36,460 INFO L82 PathProgramCache]: Analyzing trace with hash -425590234, now seen corresponding path program 1 times [2019-11-06 21:32:36,461 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:32:36,461 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72447307] [2019-11-06 21:32:36,461 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:32:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:37,442 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2019-11-06 21:32:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:37,703 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-06 21:32:37,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:37,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:37,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:37,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:37,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:37,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:37,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:38,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:38,075 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 21:32:38,076 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72447307] [2019-11-06 21:32:38,076 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:32:38,077 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-06 21:32:38,077 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844209532] [2019-11-06 21:32:38,089 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 21:32:38,090 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:32:38,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 21:32:38,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-11-06 21:32:38,096 INFO L87 Difference]: Start difference. First operand 591 states and 950 transitions. Second operand 9 states. [2019-11-06 21:32:39,777 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2019-11-06 21:32:40,673 WARN L191 SmtUtils]: Spent 873.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2019-11-06 21:32:41,990 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 121