/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_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:32:44,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:32:44,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:32:44,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:32:44,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:32:44,300 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:32:44,302 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:32:44,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:32:44,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:32:44,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:32:44,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:32:44,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:32:44,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:32:44,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:32:44,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:32:44,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:32:44,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:32:44,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:32:44,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:32:44,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:32:44,342 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:32:44,345 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:32:44,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:32:44,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:32:44,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:32:44,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:32:44,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:32:44,352 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:32:44,353 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:32:44,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:32:44,355 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:32:44,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:32:44,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:32:44,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:32:44,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:32:44,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:32:44,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:32:44,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:32:44,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:32:44,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:32:44,361 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:32:44,362 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 21:32:44,389 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:32:44,390 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:32:44,392 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:32:44,392 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:32:44,392 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:32:44,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:32:44,393 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:32:44,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:32:44,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:32:44,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:32:44,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:32:44,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:32:44,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:32:44,395 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:32:44,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:32:44,395 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:32:44,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:32:44,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:32:44,396 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:32:44,396 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:32:44,396 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:32:44,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:32:44,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:32:44,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:32:44,397 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:32:44,397 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:32:44,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:32:44,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:32:44,398 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:32:44,715 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:32:44,738 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:32:44,741 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:32:44,743 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:32:44,743 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:32:44,744 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product24.cil.c [2019-11-06 21:32:44,813 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bd1a3b14/b0fe69b36aa04814ab26dffee9e3c63c/FLAGc1230ffc0 [2019-11-06 21:32:45,438 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:32:45,438 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product24.cil.c [2019-11-06 21:32:45,459 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bd1a3b14/b0fe69b36aa04814ab26dffee9e3c63c/FLAGc1230ffc0 [2019-11-06 21:32:45,686 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bd1a3b14/b0fe69b36aa04814ab26dffee9e3c63c [2019-11-06 21:32:45,694 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:32:45,696 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:32:45,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:32:45,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:32:45,705 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:32:45,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:32:45" (1/1) ... [2019-11-06 21:32:45,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13f27a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:45, skipping insertion in model container [2019-11-06 21:32:45,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:32:45" (1/1) ... [2019-11-06 21:32:45,716 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:32:45,802 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:32:46,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:32:46,543 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:32:46,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:32:46,800 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:32:46,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:46 WrapperNode [2019-11-06 21:32:46,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:32:46,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:32:46,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:32:46,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:32:46,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:46" (1/1) ... [2019-11-06 21:32:46,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:46" (1/1) ... [2019-11-06 21:32:46,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:46" (1/1) ... [2019-11-06 21:32:46,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:46" (1/1) ... [2019-11-06 21:32:47,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:46" (1/1) ... [2019-11-06 21:32:47,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:46" (1/1) ... [2019-11-06 21:32:47,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:46" (1/1) ... [2019-11-06 21:32:47,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:32:47,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:32:47,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:32:47,085 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:32:47,088 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:46" (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 21:32:47,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:32:47,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:32:47,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:32:47,191 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-11-06 21:32:47,192 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-11-06 21:32:47,193 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-11-06 21:32:47,193 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-11-06 21:32:47,193 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-11-06 21:32:47,194 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-11-06 21:32:47,194 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-11-06 21:32:47,194 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-11-06 21:32:47,195 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-11-06 21:32:47,195 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-11-06 21:32:47,196 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-11-06 21:32:47,197 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-11-06 21:32:47,197 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-11-06 21:32:47,200 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-11-06 21:32:47,200 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-11-06 21:32:47,201 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-11-06 21:32:47,201 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-11-06 21:32:47,201 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-11-06 21:32:47,202 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-11-06 21:32:47,202 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-11-06 21:32:47,202 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-11-06 21:32:47,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-11-06 21:32:47,203 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-11-06 21:32:47,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-11-06 21:32:47,203 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2019-11-06 21:32:47,204 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-11-06 21:32:47,204 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-11-06 21:32:47,204 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-11-06 21:32:47,204 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-11-06 21:32:47,205 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-11-06 21:32:47,205 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-11-06 21:32:47,205 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-11-06 21:32:47,206 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-11-06 21:32:47,206 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-11-06 21:32:47,206 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2019-11-06 21:32:47,206 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-06 21:32:47,207 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2019-11-06 21:32:47,207 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-11-06 21:32:47,207 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-11-06 21:32:47,207 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-11-06 21:32:47,208 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-11-06 21:32:47,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-11-06 21:32:47,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-11-06 21:32:47,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2019-11-06 21:32:47,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2019-11-06 21:32:47,209 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-11-06 21:32:47,209 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-11-06 21:32:47,210 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-11-06 21:32:47,210 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-11-06 21:32:47,210 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-11-06 21:32:47,210 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-11-06 21:32:47,211 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-11-06 21:32:47,211 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-11-06 21:32:47,211 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-06 21:32:47,211 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-11-06 21:32:47,212 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-11-06 21:32:47,212 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-11-06 21:32:47,213 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-06 21:32:47,213 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-11-06 21:32:47,213 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:32:47,214 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-06 21:32:47,214 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:32:47,214 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-11-06 21:32:47,214 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-11-06 21:32:47,215 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-11-06 21:32:47,215 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:32:47,216 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:32:47,216 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:32:47,216 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:32:47,216 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:32:47,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:32:47,218 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-11-06 21:32:47,218 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-11-06 21:32:47,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:32:47,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:32:47,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:32:47,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:32:47,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:32:47,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:32:47,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:32:47,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:32:47,221 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-11-06 21:32:47,222 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-11-06 21:32:47,222 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-11-06 21:32:47,223 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-11-06 21:32:47,223 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-11-06 21:32:47,224 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-11-06 21:32:47,225 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-11-06 21:32:47,225 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-11-06 21:32:47,225 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:32:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-11-06 21:32:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-11-06 21:32:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-11-06 21:32:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-06 21:32:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-11-06 21:32:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-11-06 21:32:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-11-06 21:32:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-11-06 21:32:47,228 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-11-06 21:32:47,228 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-11-06 21:32:47,228 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-11-06 21:32:47,228 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-11-06 21:32:47,228 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-11-06 21:32:47,228 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-11-06 21:32:47,229 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-11-06 21:32:47,229 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-11-06 21:32:47,229 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-11-06 21:32:47,229 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-11-06 21:32:47,229 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-11-06 21:32:47,229 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-11-06 21:32:47,230 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-11-06 21:32:47,230 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-11-06 21:32:47,230 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-11-06 21:32:47,231 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-11-06 21:32:47,231 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2019-11-06 21:32:47,231 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2019-11-06 21:32:47,231 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-11-06 21:32:47,232 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-11-06 21:32:47,232 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-11-06 21:32:47,232 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2019-11-06 21:32:47,232 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-11-06 21:32:47,233 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-11-06 21:32:47,233 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-11-06 21:32:47,234 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2019-11-06 21:32:47,234 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2019-11-06 21:32:47,234 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2019-11-06 21:32:47,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:32:47,237 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-11-06 21:32:47,238 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:32:47,238 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-11-06 21:32:47,238 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2019-11-06 21:32:47,238 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 21:32:47,238 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-11-06 21:32:47,238 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-11-06 21:32:47,239 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-11-06 21:32:47,239 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-11-06 21:32:47,239 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-11-06 21:32:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-11-06 21:32:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-11-06 21:32:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-11-06 21:32:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-11-06 21:32:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-06 21:32:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-11-06 21:32:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-11-06 21:32:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-11-06 21:32:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-06 21:32:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-11-06 21:32:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:32:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:32:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-06 21:32:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:32:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:32:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:32:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:32:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:32:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-11-06 21:32:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-11-06 21:32:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:32:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:32:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:32:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:32:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:32:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:32:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:32:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:32:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:32:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:32:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:32:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:32:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:32:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:32:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:32:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:32:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:32:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:32:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:32:49,790 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:32:49,790 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-06 21:32:49,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:32:49 BoogieIcfgContainer [2019-11-06 21:32:49,793 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:32:49,795 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:32:49,795 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:32:49,798 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:32:49,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:32:45" (1/3) ... [2019-11-06 21:32:49,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7abfb1cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:32:49, skipping insertion in model container [2019-11-06 21:32:49,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:46" (2/3) ... [2019-11-06 21:32:49,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7abfb1cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:32:49, skipping insertion in model container [2019-11-06 21:32:49,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:32:49" (3/3) ... [2019-11-06 21:32:49,802 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product24.cil.c [2019-11-06 21:32:49,812 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:32:49,825 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:32:49,837 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:32:49,878 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:32:49,879 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:32:49,879 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:32:49,879 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:32:49,879 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:32:49,879 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:32:49,879 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:32:49,880 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:32:49,927 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states. [2019-11-06 21:32:49,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-11-06 21:32:49,954 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:32:49,955 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 21:32:49,957 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:32:49,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:32:49,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1311658421, now seen corresponding path program 1 times [2019-11-06 21:32:49,974 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:32:49,975 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911878216] [2019-11-06 21:32:49,975 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:32:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:51,755 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-06 21:32:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:51,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:52,133 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-06 21:32:52,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:52,292 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-11-06 21:32:52,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:52,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:52,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:52,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:52,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:52,493 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 21:32:52,494 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911878216] [2019-11-06 21:32:52,494 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:32:52,494 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-06 21:32:52,495 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943564128] [2019-11-06 21:32:52,500 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 21:32:52,500 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:32:52,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 21:32:52,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-11-06 21:32:52,517 INFO L87 Difference]: Start difference. First operand 817 states. Second operand 9 states. [2019-11-06 21:32:54,607 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 403 [2019-11-06 21:32:55,687 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 405 [2019-11-06 21:32:57,156 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-11-06 21:33:17,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:33:17,471 INFO L93 Difference]: Finished difference Result 1734 states and 2986 transitions. [2019-11-06 21:33:17,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-06 21:33:17,472 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 85 [2019-11-06 21:33:17,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:33:17,523 INFO L225 Difference]: With dead ends: 1734 [2019-11-06 21:33:17,524 INFO L226 Difference]: Without dead ends: 1088 [2019-11-06 21:33:17,540 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2019-11-06 21:33:17,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2019-11-06 21:33:17,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 650. [2019-11-06 21:33:17,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 650 states. [2019-11-06 21:33:17,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 1029 transitions. [2019-11-06 21:33:17,829 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 1029 transitions. Word has length 85 [2019-11-06 21:33:17,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:33:17,830 INFO L462 AbstractCegarLoop]: Abstraction has 650 states and 1029 transitions. [2019-11-06 21:33:17,830 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-06 21:33:17,830 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 1029 transitions. [2019-11-06 21:33:17,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-06 21:33:17,835 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:33:17,835 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 21:33:17,836 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:33:17,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:33:17,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1025593736, now seen corresponding path program 1 times [2019-11-06 21:33:17,836 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:33:17,836 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297242473] [2019-11-06 21:33:17,837 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:33:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:19,003 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-06 21:33:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:19,301 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-06 21:33:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:19,454 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-11-06 21:33:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:19,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:19,666 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 21:33:19,667 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297242473] [2019-11-06 21:33:19,668 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:33:19,668 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-06 21:33:19,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399543846] [2019-11-06 21:33:19,685 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 21:33:19,685 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:33:19,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 21:33:19,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-11-06 21:33:19,686 INFO L87 Difference]: Start difference. First operand 650 states and 1029 transitions. Second operand 9 states. [2019-11-06 21:33:22,025 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 403 [2019-11-06 21:33:23,086 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 405 [2019-11-06 21:33:24,629 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 121