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_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:20:39,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:20:39,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:20:39,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:20:39,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:20:39,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:20:39,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:20:39,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:20:39,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:20:39,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:20:39,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:20:39,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:20:39,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:20:39,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:20:39,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:20:39,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:20:39,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:20:39,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:20:39,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:20:39,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:20:39,411 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:20:39,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:20:39,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:20:39,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:20:39,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:20:39,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:20:39,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:20:39,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:20:39,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:20:39,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:20:39,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:20:39,428 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:20:39,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:20:39,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:20:39,431 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:20:39,431 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:20:39,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:20:39,432 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:20:39,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:20:39,433 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:20:39,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:20:39,436 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 23:20:39,468 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:20:39,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:20:39,470 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:20:39,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:20:39,479 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:20:39,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:20:39,479 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:20:39,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:20:39,480 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:20:39,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:20:39,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:20:39,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:20:39,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:20:39,481 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:20:39,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:20:39,481 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:20:39,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:20:39,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:20:39,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:20:39,484 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:20:39,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:20:39,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:20:39,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:20:39,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:20:39,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:20:39,485 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:20:39,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:20:39,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:20:39,486 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:20:39,849 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:20:39,871 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:20:39,875 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:20:39,877 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:20:39,877 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:20:39,878 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product19.cil.c [2019-10-14 23:20:39,961 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d842a96a2/3b2907567f97499e8c1b21e2be0596b3/FLAGd788a9f33 [2019-10-14 23:20:40,557 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:20:40,558 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product19.cil.c [2019-10-14 23:20:40,594 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d842a96a2/3b2907567f97499e8c1b21e2be0596b3/FLAGd788a9f33 [2019-10-14 23:20:40,777 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d842a96a2/3b2907567f97499e8c1b21e2be0596b3 [2019-10-14 23:20:40,791 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:20:40,793 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:20:40,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:20:40,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:20:40,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:20:40,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:20:40" (1/1) ... [2019-10-14 23:20:40,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c9fb768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:20:40, skipping insertion in model container [2019-10-14 23:20:40,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:20:40" (1/1) ... [2019-10-14 23:20:40,816 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:20:40,921 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:20:41,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:20:41,819 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:20:41,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:20:42,026 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:20:42,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:20:42 WrapperNode [2019-10-14 23:20:42,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:20:42,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:20:42,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:20:42,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:20:42,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:20:42" (1/1) ... [2019-10-14 23:20:42,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:20:42" (1/1) ... [2019-10-14 23:20:42,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:20:42" (1/1) ... [2019-10-14 23:20:42,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:20:42" (1/1) ... [2019-10-14 23:20:42,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:20:42" (1/1) ... [2019-10-14 23:20:42,179 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:20:42" (1/1) ... [2019-10-14 23:20:42,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:20:42" (1/1) ... [2019-10-14 23:20:42,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:20:42,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:20:42,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:20:42,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:20:42,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:20:42" (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 23:20:42,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:20:42,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:20:42,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:20:42,311 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-14 23:20:42,311 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-14 23:20:42,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-14 23:20:42,313 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-10-14 23:20:42,313 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-14 23:20:42,314 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-14 23:20:42,314 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-14 23:20:42,315 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-14 23:20:42,315 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-14 23:20:42,316 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-14 23:20:42,316 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-14 23:20:42,317 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-14 23:20:42,318 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-14 23:20:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-14 23:20:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-14 23:20:42,321 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-14 23:20:42,322 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2019-10-14 23:20:42,322 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-14 23:20:42,323 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-14 23:20:42,323 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-14 23:20:42,323 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-14 23:20:42,323 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-14 23:20:42,324 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-14 23:20:42,324 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-14 23:20:42,324 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:20:42,324 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-14 23:20:42,324 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-14 23:20:42,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-10-14 23:20:42,325 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-10-14 23:20:42,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:20:42,325 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-14 23:20:42,325 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-14 23:20:42,325 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-14 23:20:42,326 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-14 23:20:42,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-14 23:20:42,326 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-14 23:20:42,326 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-14 23:20:42,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-14 23:20:42,327 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:20:42,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-14 23:20:42,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-14 23:20:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2019-10-14 23:20:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2019-10-14 23:20:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-14 23:20:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-14 23:20:42,329 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-14 23:20:42,329 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-14 23:20:42,329 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-14 23:20:42,329 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-14 23:20:42,330 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-14 23:20:42,330 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-14 23:20:42,330 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-14 23:20:42,330 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-14 23:20:42,331 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-14 23:20:42,331 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-14 23:20:42,331 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-14 23:20:42,331 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:20:42,332 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-14 23:20:42,332 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-14 23:20:42,332 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-14 23:20:42,332 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:20:42,333 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-14 23:20:42,333 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:20:42,333 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:20:42,333 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:20:42,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:20:42,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:20:42,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:20:42,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:20:42,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:20:42,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:20:42,336 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:20:42,336 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:20:42,336 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:20:42,336 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:20:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:20:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:20:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:20:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-14 23:20:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-14 23:20:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-14 23:20:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-14 23:20:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-14 23:20:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-14 23:20:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-14 23:20:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-14 23:20:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-14 23:20:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:20:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-14 23:20:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-14 23:20:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-14 23:20:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-14 23:20:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-14 23:20:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-14 23:20:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-14 23:20:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-14 23:20:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-14 23:20:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-14 23:20:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-10-14 23:20:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-10-14 23:20:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-10-14 23:20:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-14 23:20:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-14 23:20:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-14 23:20:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-14 23:20:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-14 23:20:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-14 23:20:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-14 23:20:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2019-10-14 23:20:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-14 23:20:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-14 23:20:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-10-14 23:20:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-14 23:20:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-14 23:20:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-14 23:20:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2019-10-14 23:20:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:20:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-14 23:20:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:20:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-14 23:20:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-14 23:20:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-14 23:20:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:20:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:20:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-14 23:20:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2019-10-14 23:20:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-14 23:20:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-14 23:20:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-14 23:20:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 23:20:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-14 23:20:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-14 23:20:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-14 23:20:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-14 23:20:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-14 23:20:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-14 23:20:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-14 23:20:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-14 23:20:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-14 23:20:42,363 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-14 23:20:42,364 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:20:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-14 23:20:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:20:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:20:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:20:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:20:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:20:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:20:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:20:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:20:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:20:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:20:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:20:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:20:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:20:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:20:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:20:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:20:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:20:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:20:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:20:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:20:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:20:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:20:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:20:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:20:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:20:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:20:44,814 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:20:44,814 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-14 23:20:44,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:20:44 BoogieIcfgContainer [2019-10-14 23:20:44,817 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:20:44,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:20:44,818 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:20:44,821 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:20:44,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:20:40" (1/3) ... [2019-10-14 23:20:44,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4347a09e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:20:44, skipping insertion in model container [2019-10-14 23:20:44,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:20:42" (2/3) ... [2019-10-14 23:20:44,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4347a09e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:20:44, skipping insertion in model container [2019-10-14 23:20:44,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:20:44" (3/3) ... [2019-10-14 23:20:44,825 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product19.cil.c [2019-10-14 23:20:44,835 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:20:44,844 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:20:44,856 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:20:44,893 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:20:44,894 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:20:44,894 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:20:44,894 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:20:44,894 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:20:44,894 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:20:44,894 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:20:44,895 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:20:44,938 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states. [2019-10-14 23:20:44,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-14 23:20:44,972 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:20:44,974 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-14 23:20:44,976 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:20:44,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:20:44,982 INFO L82 PathProgramCache]: Analyzing trace with hash 707688551, now seen corresponding path program 1 times [2019-10-14 23:20:44,990 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:20:44,991 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017781558] [2019-10-14 23:20:44,991 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:20:44,991 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:20:44,991 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:20:45,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:46,607 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:20:46,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:46,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:46,890 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-14 23:20:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:47,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:47,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:47,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:47,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:47,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:20:47,420 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-14 23:20:47,421 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017781558] [2019-10-14 23:20:47,422 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:20:47,422 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-14 23:20:47,422 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031211091] [2019-10-14 23:20:47,427 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 23:20:47,428 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:20:47,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 23:20:47,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:20:47,444 INFO L87 Difference]: Start difference. First operand 770 states. Second operand 10 states. [2019-10-14 23:20:48,543 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-14 23:20:49,548 WARN L191 SmtUtils]: Spent 910.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-10-14 23:20:50,438 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2019-10-14 23:20:52,226 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-10-14 23:20:57,068 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-14 23:21:11,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:21:11,119 INFO L93 Difference]: Finished difference Result 1759 states and 3096 transitions. [2019-10-14 23:21:11,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-14 23:21:11,122 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 133 [2019-10-14 23:21:11,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:21:11,166 INFO L225 Difference]: With dead ends: 1759 [2019-10-14 23:21:11,167 INFO L226 Difference]: Without dead ends: 1138 [2019-10-14 23:21:11,183 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2019-10-14 23:21:11,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1138 states. [2019-10-14 23:21:11,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1138 to 610. [2019-10-14 23:21:11,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 610 states. [2019-10-14 23:21:11,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 973 transitions. [2019-10-14 23:21:11,517 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 973 transitions. Word has length 133 [2019-10-14 23:21:11,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:21:11,518 INFO L462 AbstractCegarLoop]: Abstraction has 610 states and 973 transitions. [2019-10-14 23:21:11,518 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-14 23:21:11,518 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 973 transitions. [2019-10-14 23:21:11,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-14 23:21:11,525 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:21:11,525 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-14 23:21:11,526 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:21:11,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:21:11,526 INFO L82 PathProgramCache]: Analyzing trace with hash -373174512, now seen corresponding path program 1 times [2019-10-14 23:21:11,527 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:21:11,527 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140139617] [2019-10-14 23:21:11,527 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:11,527 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:21:11,527 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:21:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:12,539 WARN L191 SmtUtils]: Spent 872.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-10-14 23:21:12,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:12,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:12,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:12,805 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-14 23:21:12,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:12,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:13,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:13,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:13,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:21:13,208 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-14 23:21:13,209 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140139617] [2019-10-14 23:21:13,209 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:21:13,209 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-14 23:21:13,209 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241841323] [2019-10-14 23:21:13,211 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 23:21:13,212 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:21:13,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 23:21:13,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:21:13,212 INFO L87 Difference]: Start difference. First operand 610 states and 973 transitions. Second operand 10 states. [2019-10-14 23:21:13,956 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-14 23:21:14,887 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-10-14 23:21:15,739 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2019-10-14 23:21:17,575 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 127