/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_spec3_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:33:41,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:33:41,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:33:41,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:33:41,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:33:41,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:33:41,039 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:33:41,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:33:41,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:33:41,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:33:41,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:33:41,060 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:33:41,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:33:41,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:33:41,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:33:41,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:33:41,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:33:41,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:33:41,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:33:41,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:33:41,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:33:41,083 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:33:41,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:33:41,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:33:41,089 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:33:41,089 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:33:41,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:33:41,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:33:41,092 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:33:41,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:33:41,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:33:41,095 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:33:41,095 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:33:41,096 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:33:41,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:33:41,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:33:41,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:33:41,099 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:33:41,099 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:33:41,100 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:33:41,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:33:41,101 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 21:33:41,134 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:33:41,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:33:41,138 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:33:41,138 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:33:41,138 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:33:41,139 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:33:41,139 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:33:41,139 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:33:41,139 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:33:41,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:33:41,140 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:33:41,140 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:33:41,140 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:33:41,140 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:33:41,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:33:41,140 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:33:41,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:33:41,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:33:41,145 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:33:41,145 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:33:41,145 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:33:41,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:33:41,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:33:41,146 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:33:41,146 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:33:41,146 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:33:41,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:33:41,146 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:33:41,147 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:33:41,410 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:33:41,425 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:33:41,429 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:33:41,431 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:33:41,431 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:33:41,432 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product09.cil.c [2019-11-06 21:33:41,504 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91d9a5660/368f588568d34d6b8df2c4e1871107e1/FLAG6647a10fc [2019-11-06 21:33:42,137 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:33:42,138 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product09.cil.c [2019-11-06 21:33:42,161 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91d9a5660/368f588568d34d6b8df2c4e1871107e1/FLAG6647a10fc [2019-11-06 21:33:42,325 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91d9a5660/368f588568d34d6b8df2c4e1871107e1 [2019-11-06 21:33:42,334 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:33:42,336 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:33:42,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:33:42,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:33:42,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:33:42,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:33:42" (1/1) ... [2019-11-06 21:33:42,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@594b665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:33:42, skipping insertion in model container [2019-11-06 21:33:42,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:33:42" (1/1) ... [2019-11-06 21:33:42,352 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:33:42,430 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:33:43,138 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:33:43,163 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:33:43,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:33:43,355 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:33:43,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:33:43 WrapperNode [2019-11-06 21:33:43,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:33:43,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:33:43,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:33:43,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:33:43,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:33:43" (1/1) ... [2019-11-06 21:33:43,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:33:43" (1/1) ... [2019-11-06 21:33:43,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:33:43" (1/1) ... [2019-11-06 21:33:43,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:33:43" (1/1) ... [2019-11-06 21:33:43,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:33:43" (1/1) ... [2019-11-06 21:33:43,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:33:43" (1/1) ... [2019-11-06 21:33:43,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:33:43" (1/1) ... [2019-11-06 21:33:43,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:33:43,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:33:43,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:33:43,562 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:33:43,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:33:43" (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 21:33:43,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:33:43,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:33:43,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:33:43,637 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-11-06 21:33:43,637 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-11-06 21:33:43,638 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:33:43,638 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-11-06 21:33:43,638 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-11-06 21:33:43,639 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-11-06 21:33:43,639 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-11-06 21:33:43,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-11-06 21:33:43,640 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-11-06 21:33:43,640 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-11-06 21:33:43,641 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-11-06 21:33:43,642 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-11-06 21:33:43,642 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-11-06 21:33:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-11-06 21:33:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:33:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-11-06 21:33:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-11-06 21:33:43,645 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-11-06 21:33:43,645 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-11-06 21:33:43,645 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-11-06 21:33:43,645 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-11-06 21:33:43,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-11-06 21:33:43,646 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-11-06 21:33:43,646 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-11-06 21:33:43,646 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-11-06 21:33:43,646 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-11-06 21:33:43,646 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-11-06 21:33:43,647 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-11-06 21:33:43,647 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-11-06 21:33:43,647 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-11-06 21:33:43,647 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-11-06 21:33:43,647 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-11-06 21:33:43,647 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-11-06 21:33:43,648 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-11-06 21:33:43,648 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-11-06 21:33:43,648 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-11-06 21:33:43,648 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-06 21:33:43,648 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-11-06 21:33:43,649 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-11-06 21:33:43,649 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:33:43,649 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:33:43,649 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:33:43,650 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:33:43,650 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-11-06 21:33:43,650 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-11-06 21:33:43,650 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-11-06 21:33:43,650 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-11-06 21:33:43,650 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-11-06 21:33:43,651 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-11-06 21:33:43,651 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-11-06 21:33:43,651 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-11-06 21:33:43,651 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-06 21:33:43,651 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-11-06 21:33:43,651 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-11-06 21:33:43,651 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-11-06 21:33:43,652 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-06 21:33:43,652 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-11-06 21:33:43,652 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:33:43,652 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-06 21:33:43,652 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:33:43,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-11-06 21:33:43,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2019-11-06 21:33:43,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:33:43,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:33:43,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:33:43,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:33:43,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:33:43,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:33:43,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:33:43,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:33:43,655 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-11-06 21:33:43,655 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-11-06 21:33:43,656 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-06 21:33:43,656 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-11-06 21:33:43,656 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-11-06 21:33:43,656 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-11-06 21:33:43,656 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-11-06 21:33:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-11-06 21:33:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-11-06 21:33:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-11-06 21:33:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-11-06 21:33:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-06 21:33:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:33:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-11-06 21:33:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-11-06 21:33:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-11-06 21:33:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-11-06 21:33:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-11-06 21:33:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-11-06 21:33:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-11-06 21:33:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-11-06 21:33:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-11-06 21:33:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:33:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:33:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-11-06 21:33:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-11-06 21:33:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-11-06 21:33:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-11-06 21:33:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-11-06 21:33:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-11-06 21:33:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-11-06 21:33:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-11-06 21:33:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-11-06 21:33:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-11-06 21:33:43,662 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-11-06 21:33:43,662 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-11-06 21:33:43,662 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-11-06 21:33:43,662 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-11-06 21:33:43,662 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-11-06 21:33:43,662 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-11-06 21:33:43,663 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-11-06 21:33:43,663 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-11-06 21:33:43,663 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-11-06 21:33:43,663 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2019-11-06 21:33:43,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:33:43,663 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-11-06 21:33:43,664 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:33:43,664 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:33:43,664 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:33:43,664 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:33:43,664 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 21:33:43,664 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-11-06 21:33:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-11-06 21:33:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-11-06 21:33:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-11-06 21:33:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-11-06 21:33:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-11-06 21:33:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-11-06 21:33:43,666 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-11-06 21:33:43,666 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-11-06 21:33:43,666 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-06 21:33:43,666 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-11-06 21:33:43,666 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:33:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-06 21:33:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:33:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:33:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:33:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:33:43,668 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:33:43,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:33:43,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:33:43,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:33:43,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:33:43,668 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:33:43,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:33:43,669 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:33:43,669 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:33:43,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:33:43,669 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:33:43,669 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:33:43,670 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:33:43,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:33:43,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:33:43,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:33:45,992 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:33:45,993 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-06 21:33:45,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:33:45 BoogieIcfgContainer [2019-11-06 21:33:45,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:33:45,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:33:45,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:33:45,999 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:33:46,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:33:42" (1/3) ... [2019-11-06 21:33:46,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13d571f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:33:46, skipping insertion in model container [2019-11-06 21:33:46,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:33:43" (2/3) ... [2019-11-06 21:33:46,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13d571f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:33:46, skipping insertion in model container [2019-11-06 21:33:46,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:33:45" (3/3) ... [2019-11-06 21:33:46,004 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product09.cil.c [2019-11-06 21:33:46,014 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:33:46,024 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:33:46,036 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:33:46,083 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:33:46,083 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:33:46,083 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:33:46,083 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:33:46,083 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:33:46,084 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:33:46,084 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:33:46,084 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:33:46,118 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states. [2019-11-06 21:33:46,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-11-06 21:33:46,141 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:33:46,142 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-06 21:33:46,145 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:33:46,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:33:46,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1161933342, now seen corresponding path program 1 times [2019-11-06 21:33:46,159 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:33:46,160 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735539753] [2019-11-06 21:33:46,160 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:33:46,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:47,607 WARN L191 SmtUtils]: Spent 859.00 ms on a formula simplification that was a NOOP. DAG size: 370 [2019-11-06 21:33:47,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:47,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:47,807 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-11-06 21:33:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:48,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:48,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:48,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:33:48,276 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-06 21:33:48,277 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735539753] [2019-11-06 21:33:48,279 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:33:48,279 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-06 21:33:48,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884959711] [2019-11-06 21:33:48,287 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-06 21:33:48,287 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:33:48,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-06 21:33:48,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2019-11-06 21:33:48,305 INFO L87 Difference]: Start difference. First operand 757 states. Second operand 13 states. [2019-11-06 21:33:50,294 WARN L191 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2019-11-06 21:33:51,155 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2019-11-06 21:33:51,963 WARN L191 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2019-11-06 21:33:52,848 WARN L191 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2019-11-06 21:33:53,672 WARN L191 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2019-11-06 21:33:57,566 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-11-06 21:34:00,200 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-11-06 21:34:11,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:34:11,902 INFO L93 Difference]: Finished difference Result 1519 states and 2686 transitions. [2019-11-06 21:34:11,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-11-06 21:34:11,909 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 115 [2019-11-06 21:34:11,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:34:11,940 INFO L225 Difference]: With dead ends: 1519 [2019-11-06 21:34:11,940 INFO L226 Difference]: Without dead ends: 916 [2019-11-06 21:34:11,954 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=215, Invalid=655, Unknown=0, NotChecked=0, Total=870 [2019-11-06 21:34:11,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2019-11-06 21:34:12,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 603. [2019-11-06 21:34:12,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 603 states. [2019-11-06 21:34:12,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 971 transitions. [2019-11-06 21:34:12,264 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 971 transitions. Word has length 115 [2019-11-06 21:34:12,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:34:12,265 INFO L462 AbstractCegarLoop]: Abstraction has 603 states and 971 transitions. [2019-11-06 21:34:12,265 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-06 21:34:12,265 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 971 transitions. [2019-11-06 21:34:12,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-11-06 21:34:12,273 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:34:12,273 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-06 21:34:12,274 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:34:12,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:34:12,274 INFO L82 PathProgramCache]: Analyzing trace with hash -1514671527, now seen corresponding path program 1 times [2019-11-06 21:34:12,275 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:34:12,275 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2560795] [2019-11-06 21:34:12,275 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:34:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:13,247 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 370 [2019-11-06 21:34:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:13,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:13,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:13,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:13,435 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-11-06 21:34:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:13,726 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-06 21:34:13,726 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2560795] [2019-11-06 21:34:13,727 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:34:13,727 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-06 21:34:13,727 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484079294] [2019-11-06 21:34:13,729 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-06 21:34:13,730 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:34:13,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-06 21:34:13,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-11-06 21:34:13,730 INFO L87 Difference]: Start difference. First operand 603 states and 971 transitions. Second operand 10 states. [2019-11-06 21:34:14,852 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-11-06 21:34:15,708 WARN L191 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2019-11-06 21:34:16,525 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-11-06 21:34:19,429 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-11-06 21:34:21,424 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 112