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_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:21:35,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:21:35,215 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:21:35,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:21:35,227 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:21:35,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:21:35,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:21:35,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:21:35,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:21:35,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:21:35,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:21:35,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:21:35,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:21:35,238 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:21:35,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:21:35,240 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:21:35,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:21:35,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:21:35,243 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:21:35,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:21:35,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:21:35,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:21:35,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:21:35,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:21:35,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:21:35,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:21:35,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:21:35,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:21:35,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:21:35,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:21:35,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:21:35,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:21:35,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:21:35,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:21:35,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:21:35,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:21:35,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:21:35,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:21:35,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:21:35,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:21:35,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:21:35,260 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 [2019-10-13 19:21:35,274 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:21:35,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:21:35,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:21:35,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:21:35,276 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:21:35,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:21:35,276 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:21:35,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:21:35,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:21:35,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:21:35,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:21:35,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:21:35,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:21:35,278 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:21:35,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:21:35,278 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:21:35,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:21:35,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:21:35,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:21:35,279 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:21:35,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:21:35,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:21:35,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:21:35,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:21:35,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:21:35,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:21:35,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:21:35,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:21:35,281 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:21:35,580 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:21:35,599 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:21:35,603 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:21:35,604 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:21:35,605 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:21:35,606 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product09.cil.c [2019-10-13 19:21:35,681 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a4194035/cb22c1bc255d48b7b30bc1329a5842ed/FLAG7b0aaa828 [2019-10-13 19:21:36,289 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:21:36,289 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product09.cil.c [2019-10-13 19:21:36,312 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a4194035/cb22c1bc255d48b7b30bc1329a5842ed/FLAG7b0aaa828 [2019-10-13 19:21:36,473 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a4194035/cb22c1bc255d48b7b30bc1329a5842ed [2019-10-13 19:21:36,482 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:21:36,484 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:21:36,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:21:36,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:21:36,488 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:21:36,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:21:36" (1/1) ... [2019-10-13 19:21:36,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@338e2a78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:36, skipping insertion in model container [2019-10-13 19:21:36,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:21:36" (1/1) ... [2019-10-13 19:21:36,499 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:21:36,590 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:21:37,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:21:37,322 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:21:37,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:21:37,600 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:21:37,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:37 WrapperNode [2019-10-13 19:21:37,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:21:37,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:21:37,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:21:37,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:21:37,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:37" (1/1) ... [2019-10-13 19:21:37,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:37" (1/1) ... [2019-10-13 19:21:37,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:37" (1/1) ... [2019-10-13 19:21:37,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:37" (1/1) ... [2019-10-13 19:21:37,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:37" (1/1) ... [2019-10-13 19:21:37,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:37" (1/1) ... [2019-10-13 19:21:37,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:37" (1/1) ... [2019-10-13 19:21:37,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:21:37,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:21:37,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:21:37,823 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:21:37,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:37" (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 [2019-10-13 19:21:37,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:21:37,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:21:37,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:21:37,898 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-10-13 19:21:37,898 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-10-13 19:21:37,899 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-10-13 19:21:37,899 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-10-13 19:21:37,899 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-10-13 19:21:37,899 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-10-13 19:21:37,900 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-10-13 19:21:37,900 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-10-13 19:21:37,900 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:21:37,900 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-10-13 19:21:37,901 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-10-13 19:21:37,901 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-10-13 19:21:37,901 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:21:37,901 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-10-13 19:21:37,901 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:21:37,902 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:21:37,902 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:21:37,902 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-10-13 19:21:37,902 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-10-13 19:21:37,903 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-10-13 19:21:37,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-13 19:21:37,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-13 19:21:37,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2019-10-13 19:21:37,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2019-10-13 19:21:37,904 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-10-13 19:21:37,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-10-13 19:21:37,905 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-10-13 19:21:37,905 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-10-13 19:21:37,905 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-10-13 19:21:37,905 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-10-13 19:21:37,905 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-10-13 19:21:37,906 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-10-13 19:21:37,906 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:21:37,906 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:21:37,906 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:21:37,906 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:21:37,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:21:37,907 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-10-13 19:21:37,907 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-10-13 19:21:37,907 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-10-13 19:21:37,907 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-10-13 19:21:37,907 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-10-13 19:21:37,907 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-10-13 19:21:37,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-10-13 19:21:37,908 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-10-13 19:21:37,908 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-10-13 19:21:37,908 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-10-13 19:21:37,908 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-10-13 19:21:37,909 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-10-13 19:21:37,909 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-10-13 19:21:37,909 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-10-13 19:21:37,909 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-10-13 19:21:37,909 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-10-13 19:21:37,909 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-10-13 19:21:37,910 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-10-13 19:21:37,910 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-10-13 19:21:37,910 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-10-13 19:21:37,910 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-10-13 19:21:37,910 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:21:37,911 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-10-13 19:21:37,911 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-10-13 19:21:37,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:21:37,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:21:37,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:21:37,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:21:37,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:21:37,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:21:37,912 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:21:37,912 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-10-13 19:21:37,912 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-10-13 19:21:37,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:21:37,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:21:37,913 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 19:21:37,913 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-10-13 19:21:37,913 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-10-13 19:21:37,914 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-10-13 19:21:37,914 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-10-13 19:21:37,914 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-10-13 19:21:37,914 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-10-13 19:21:37,914 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-10-13 19:21:37,915 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-10-13 19:21:37,915 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-10-13 19:21:37,915 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:21:37,915 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-10-13 19:21:37,915 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-10-13 19:21:37,915 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-10-13 19:21:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:21:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-10-13 19:21:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-10-13 19:21:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-10-13 19:21:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-10-13 19:21:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-10-13 19:21:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:21:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-10-13 19:21:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:21:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-13 19:21:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2019-10-13 19:21:37,918 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:21:37,918 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:21:37,918 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:21:37,918 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:21:37,918 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:21:37,919 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:21:37,919 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-10-13 19:21:37,919 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-10-13 19:21:37,919 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:21:37,919 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-10-13 19:21:37,920 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-10-13 19:21:37,920 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-13 19:21:37,920 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2019-10-13 19:21:37,920 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-10-13 19:21:37,920 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-10-13 19:21:37,920 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-10-13 19:21:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-10-13 19:21:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-10-13 19:21:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-10-13 19:21:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-10-13 19:21:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:21:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:21:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-10-13 19:21:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-10-13 19:21:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-10-13 19:21:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-10-13 19:21:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-10-13 19:21:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-10-13 19:21:37,923 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-10-13 19:21:37,923 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-10-13 19:21:37,923 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-10-13 19:21:37,923 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-10-13 19:21:37,923 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-10-13 19:21:37,924 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-10-13 19:21:37,924 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-10-13 19:21:37,924 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-10-13 19:21:37,924 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-10-13 19:21:37,924 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-10-13 19:21:37,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:21:37,925 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-10-13 19:21:37,925 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:21:37,925 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:21:37,925 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:21:37,926 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:21:37,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:21:37,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:21:37,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:21:37,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:21:37,926 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:21:37,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:21:37,927 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:21:37,927 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:21:37,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:21:37,927 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:21:37,927 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:21:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:21:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-10-13 19:21:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-10-13 19:21:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:21:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:21:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:21:40,204 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:21:40,205 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-13 19:21:40,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:21:40 BoogieIcfgContainer [2019-10-13 19:21:40,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:21:40,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:21:40,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:21:40,215 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:21:40,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:21:36" (1/3) ... [2019-10-13 19:21:40,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59adfee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:21:40, skipping insertion in model container [2019-10-13 19:21:40,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:37" (2/3) ... [2019-10-13 19:21:40,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59adfee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:21:40, skipping insertion in model container [2019-10-13 19:21:40,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:21:40" (3/3) ... [2019-10-13 19:21:40,219 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product09.cil.c [2019-10-13 19:21:40,230 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:21:40,243 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:21:40,255 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:21:40,301 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:21:40,301 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:21:40,301 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:21:40,301 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:21:40,301 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:21:40,301 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:21:40,302 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:21:40,302 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:21:40,351 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states. [2019-10-13 19:21:40,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-13 19:21:40,386 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:21:40,388 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:21:40,390 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:21:40,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:21:40,398 INFO L82 PathProgramCache]: Analyzing trace with hash -943810912, now seen corresponding path program 1 times [2019-10-13 19:21:40,407 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:21:40,408 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016746330] [2019-10-13 19:21:40,408 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:21:40,408 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:21:40,408 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:21:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:41,852 WARN L191 SmtUtils]: Spent 947.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2019-10-13 19:21:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:41,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,170 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-10-13 19:21:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:21:42,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:21:42,750 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016746330] [2019-10-13 19:21:42,751 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:21:42,751 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 19:21:42,752 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341218997] [2019-10-13 19:21:42,757 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 19:21:42,757 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:21:42,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 19:21:42,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:21:42,776 INFO L87 Difference]: Start difference. First operand 737 states. Second operand 10 states. [2019-10-13 19:21:43,858 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-13 19:21:44,795 WARN L191 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2019-10-13 19:21:45,642 WARN L191 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2019-10-13 19:21:47,436 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-10-13 19:21:48,661 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-10-13 19:22:11,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:22:11,480 INFO L93 Difference]: Finished difference Result 1694 states and 3061 transitions. [2019-10-13 19:22:11,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 19:22:11,482 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 107 [2019-10-13 19:22:11,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:22:11,517 INFO L225 Difference]: With dead ends: 1694 [2019-10-13 19:22:11,517 INFO L226 Difference]: Without dead ends: 1106 [2019-10-13 19:22:11,530 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2019-10-13 19:22:11,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2019-10-13 19:22:11,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 577. [2019-10-13 19:22:11,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2019-10-13 19:22:11,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 932 transitions. [2019-10-13 19:22:11,825 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 932 transitions. Word has length 107 [2019-10-13 19:22:11,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:22:11,825 INFO L462 AbstractCegarLoop]: Abstraction has 577 states and 932 transitions. [2019-10-13 19:22:11,825 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 19:22:11,826 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 932 transitions. [2019-10-13 19:22:11,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-10-13 19:22:11,832 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:22:11,832 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:22:11,833 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:22:11,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:22:11,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1793356700, now seen corresponding path program 1 times [2019-10-13 19:22:11,833 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:22:11,834 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415166330] [2019-10-13 19:22:11,834 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:22:11,834 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:22:11,834 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:22:11,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:12,706 WARN L191 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2019-10-13 19:22:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:12,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:12,946 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-10-13 19:22:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:13,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:22:13,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:22:13,401 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415166330] [2019-10-13 19:22:13,401 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:22:13,401 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-13 19:22:13,402 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654762272] [2019-10-13 19:22:13,404 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-13 19:22:13,404 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:22:13,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-13 19:22:13,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-13 19:22:13,405 INFO L87 Difference]: Start difference. First operand 577 states and 932 transitions. Second operand 13 states. [2019-10-13 19:22:14,824 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-13 19:22:15,679 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2019-10-13 19:22:16,517 WARN L191 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 387