java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec3_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:22:09,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:22:09,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:22:09,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:22:09,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:22:09,091 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:22:09,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:22:09,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:22:09,108 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:22:09,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:22:09,111 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:22:09,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:22:09,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:22:09,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:22:09,120 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:22:09,122 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:22:09,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:22:09,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:22:09,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:22:09,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:22:09,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:22:09,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:22:09,142 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:22:09,143 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:22:09,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:22:09,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:22:09,147 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:22:09,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:22:09,148 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:22:09,149 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:22:09,149 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:22:09,152 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:22:09,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:22:09,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:22:09,157 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:22:09,157 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:22:09,158 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:22:09,158 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:22:09,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:22:09,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:22:09,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:22:09,162 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 [2019-10-14 23:22:09,182 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:22:09,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:22:09,184 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:22:09,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:22:09,185 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:22:09,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:22:09,185 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:22:09,186 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:22:09,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:22:09,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:22:09,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:22:09,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:22:09,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:22:09,188 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:22:09,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:22:09,189 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:22:09,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:22:09,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:22:09,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:22:09,190 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:22:09,190 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:22:09,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:22:09,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:22:09,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:22:09,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:22:09,191 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:22:09,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:22:09,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:22:09,191 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:22:09,491 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:22:09,510 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:22:09,514 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:22:09,515 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:22:09,516 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:22:09,517 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product27.cil.c [2019-10-14 23:22:09,597 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/266b34915/a84dc57f36654b07b89f9e3850bf7d4b/FLAG03d374aef [2019-10-14 23:22:10,297 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:22:10,300 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product27.cil.c [2019-10-14 23:22:10,319 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/266b34915/a84dc57f36654b07b89f9e3850bf7d4b/FLAG03d374aef [2019-10-14 23:22:10,408 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/266b34915/a84dc57f36654b07b89f9e3850bf7d4b [2019-10-14 23:22:10,420 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:22:10,422 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:22:10,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:22:10,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:22:10,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:22:10,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:22:10" (1/1) ... [2019-10-14 23:22:10,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15161af2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:10, skipping insertion in model container [2019-10-14 23:22:10,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:22:10" (1/1) ... [2019-10-14 23:22:10,438 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:22:10,520 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:22:11,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:22:11,283 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:22:11,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:22:11,459 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:22:11,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:11 WrapperNode [2019-10-14 23:22:11,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:22:11,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:22:11,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:22:11,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:22:11,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:11" (1/1) ... [2019-10-14 23:22:11,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:11" (1/1) ... [2019-10-14 23:22:11,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:11" (1/1) ... [2019-10-14 23:22:11,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:11" (1/1) ... [2019-10-14 23:22:11,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:11" (1/1) ... [2019-10-14 23:22:11,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:11" (1/1) ... [2019-10-14 23:22:11,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:11" (1/1) ... [2019-10-14 23:22:11,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:22:11,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:22:11,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:22:11,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:22:11,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:11" (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 [2019-10-14 23:22:11,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:22:11,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:22:11,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:22:11,737 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-14 23:22:11,737 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-14 23:22:11,737 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-14 23:22:11,737 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-14 23:22:11,737 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-14 23:22:11,738 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-14 23:22:11,738 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2019-10-14 23:22:11,738 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-14 23:22:11,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-14 23:22:11,738 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-14 23:22:11,739 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-14 23:22:11,739 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-14 23:22:11,739 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-14 23:22:11,739 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-14 23:22:11,739 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-14 23:22:11,740 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-14 23:22:11,740 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-14 23:22:11,740 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2019-10-14 23:22:11,741 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-14 23:22:11,741 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-14 23:22:11,741 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-14 23:22:11,741 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-14 23:22:11,741 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-14 23:22:11,742 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-14 23:22:11,742 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-14 23:22:11,742 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:22:11,742 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-14 23:22:11,742 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-14 23:22:11,742 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-14 23:22:11,743 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-14 23:22:11,743 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-14 23:22:11,743 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-14 23:22:11,743 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-14 23:22:11,743 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-14 23:22:11,743 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-14 23:22:11,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-14 23:22:11,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2019-10-14 23:22:11,744 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:22:11,744 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-14 23:22:11,744 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-14 23:22:11,744 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-14 23:22:11,745 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-14 23:22:11,745 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-14 23:22:11,745 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-14 23:22:11,745 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-14 23:22:11,745 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-14 23:22:11,746 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:22:11,746 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-14 23:22:11,746 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-14 23:22:11,746 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-14 23:22:11,746 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:22:11,747 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-14 23:22:11,747 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:22:11,747 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:22:11,747 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:22:11,747 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-14 23:22:11,747 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-14 23:22:11,748 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-14 23:22:11,748 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-14 23:22:11,748 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-14 23:22:11,748 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-14 23:22:11,748 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-14 23:22:11,748 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-14 23:22:11,749 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:22:11,749 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:22:11,749 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:22:11,749 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:22:11,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:22:11,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:22:11,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:22:11,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:22:11,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:22:11,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:22:11,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:22:11,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:22:11,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:22:11,752 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:22:11,752 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-14 23:22:11,752 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-14 23:22:11,752 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-14 23:22:11,752 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-14 23:22:11,753 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-14 23:22:11,753 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-14 23:22:11,753 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-14 23:22:11,753 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-14 23:22:11,753 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-14 23:22:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:22:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-14 23:22:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-14 23:22:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-14 23:22:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-14 23:22:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-14 23:22:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-14 23:22:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-14 23:22:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-14 23:22:11,756 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-14 23:22:11,756 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-14 23:22:11,756 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-14 23:22:11,756 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-14 23:22:11,757 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-14 23:22:11,757 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-14 23:22:11,757 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2019-10-14 23:22:11,757 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-14 23:22:11,758 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-14 23:22:11,758 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-14 23:22:11,758 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-14 23:22:11,758 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-14 23:22:11,758 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2019-10-14 23:22:11,759 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-14 23:22:11,759 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-14 23:22:11,759 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2019-10-14 23:22:11,759 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-14 23:22:11,759 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-14 23:22:11,760 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-14 23:22:11,760 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-14 23:22:11,760 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2019-10-14 23:22:11,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:22:11,760 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-14 23:22:11,760 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-14 23:22:11,761 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-14 23:22:11,761 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-14 23:22:11,761 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-14 23:22:11,761 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:22:11,761 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-14 23:22:11,762 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-14 23:22:11,762 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:22:11,762 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:22:11,762 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 23:22:11,762 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-14 23:22:11,762 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-14 23:22:11,763 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-14 23:22:11,763 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-14 23:22:11,763 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-14 23:22:11,763 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-14 23:22:11,763 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-14 23:22:11,764 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-14 23:22:11,764 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-14 23:22:11,764 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:22:11,764 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-14 23:22:11,764 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:22:11,765 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:22:11,765 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:22:11,765 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:22:11,765 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:22:11,765 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:22:11,766 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-14 23:22:11,766 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:22:11,766 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:22:11,766 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:22:11,766 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:22:11,766 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:22:11,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:22:11,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:22:11,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:22:11,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:22:11,767 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:22:11,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:22:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:22:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:22:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:22:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:22:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:22:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:22:11,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:22:11,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:22:11,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:22:14,179 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:22:14,180 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-14 23:22:14,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:22:14 BoogieIcfgContainer [2019-10-14 23:22:14,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:22:14,183 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:22:14,183 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:22:14,186 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:22:14,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:22:10" (1/3) ... [2019-10-14 23:22:14,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c05c903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:22:14, skipping insertion in model container [2019-10-14 23:22:14,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:11" (2/3) ... [2019-10-14 23:22:14,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c05c903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:22:14, skipping insertion in model container [2019-10-14 23:22:14,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:22:14" (3/3) ... [2019-10-14 23:22:14,190 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product27.cil.c [2019-10-14 23:22:14,200 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:22:14,209 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:22:14,221 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:22:14,252 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:22:14,252 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:22:14,253 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:22:14,253 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:22:14,253 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:22:14,253 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:22:14,253 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:22:14,253 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:22:14,288 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states. [2019-10-14 23:22:14,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-10-14 23:22:14,313 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:22:14,314 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:22:14,316 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:22:14,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:22:14,323 INFO L82 PathProgramCache]: Analyzing trace with hash -1573274130, now seen corresponding path program 1 times [2019-10-14 23:22:14,332 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:22:14,332 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833331395] [2019-10-14 23:22:14,333 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:22:14,333 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:22:14,333 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:22:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:15,948 WARN L191 SmtUtils]: Spent 894.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-14 23:22:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:15,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:16,204 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-14 23:22:16,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:16,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:16,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:16,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:16,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:16,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:16,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:16,640 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-14 23:22:16,640 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833331395] [2019-10-14 23:22:16,641 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:22:16,642 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-14 23:22:16,642 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035144257] [2019-10-14 23:22:16,647 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-14 23:22:16,647 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:22:16,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-14 23:22:16,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2019-10-14 23:22:16,664 INFO L87 Difference]: Start difference. First operand 806 states. Second operand 13 states. [2019-10-14 23:22:18,960 WARN L191 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2019-10-14 23:22:19,837 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2019-10-14 23:22:20,718 WARN L191 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2019-10-14 23:22:21,676 WARN L191 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2019-10-14 23:22:22,526 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2019-10-14 23:22:26,152 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-10-14 23:22:28,906 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-14 23:22:31,017 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-10-14 23:22:44,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:22:44,693 INFO L93 Difference]: Finished difference Result 1668 states and 2920 transitions. [2019-10-14 23:22:44,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-10-14 23:22:44,695 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 141 [2019-10-14 23:22:44,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:22:44,729 INFO L225 Difference]: With dead ends: 1668 [2019-10-14 23:22:44,729 INFO L226 Difference]: Without dead ends: 1016 [2019-10-14 23:22:44,743 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=234, Invalid=696, Unknown=0, NotChecked=0, Total=930 [2019-10-14 23:22:44,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2019-10-14 23:22:45,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 652. [2019-10-14 23:22:45,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2019-10-14 23:22:45,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 1035 transitions. [2019-10-14 23:22:45,082 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 1035 transitions. Word has length 141 [2019-10-14 23:22:45,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:22:45,083 INFO L462 AbstractCegarLoop]: Abstraction has 652 states and 1035 transitions. [2019-10-14 23:22:45,083 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-14 23:22:45,083 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 1035 transitions. [2019-10-14 23:22:45,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-10-14 23:22:45,101 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:22:45,101 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:22:45,102 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:22:45,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:22:45,102 INFO L82 PathProgramCache]: Analyzing trace with hash 2025459655, now seen corresponding path program 1 times [2019-10-14 23:22:45,102 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:22:45,103 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341186169] [2019-10-14 23:22:45,103 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:22:45,103 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:22:45,105 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:22:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:46,032 WARN L191 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-14 23:22:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:46,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:46,230 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-14 23:22:46,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:46,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:46,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:46,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:46,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:22:46,545 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-14 23:22:46,546 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341186169] [2019-10-14 23:22:46,546 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:22:46,546 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-14 23:22:46,546 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400778441] [2019-10-14 23:22:46,548 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 23:22:46,549 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:22:46,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 23:22:46,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:22:46,550 INFO L87 Difference]: Start difference. First operand 652 states and 1035 transitions. Second operand 10 states. [2019-10-14 23:22:48,568 WARN L191 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2019-10-14 23:22:49,380 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 385