/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_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:34:15,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:34:15,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:34:15,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:34:15,479 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:34:15,481 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:34:15,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:34:15,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:34:15,497 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:34:15,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:34:15,503 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:34:15,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:34:15,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:34:15,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:34:15,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:34:15,511 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:34:15,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:34:15,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:34:15,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:34:15,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:34:15,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:34:15,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:34:15,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:34:15,532 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:34:15,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:34:15,534 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:34:15,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:34:15,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:34:15,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:34:15,538 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:34:15,538 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:34:15,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:34:15,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:34:15,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:34:15,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:34:15,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:34:15,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:34:15,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:34:15,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:34:15,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:34:15,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:34:15,546 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 21:34:15,583 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:34:15,584 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:34:15,585 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:34:15,585 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:34:15,585 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:34:15,586 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:34:15,586 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:34:15,586 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:34:15,586 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:34:15,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:34:15,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:34:15,587 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:34:15,587 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:34:15,587 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:34:15,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:34:15,591 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:34:15,591 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:34:15,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:34:15,592 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:34:15,592 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:34:15,592 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:34:15,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:34:15,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:34:15,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:34:15,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:34:15,593 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:34:15,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:34:15,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:34:15,597 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:34:15,911 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:34:15,936 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:34:15,941 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:34:15,942 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:34:15,943 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:34:15,944 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product21.cil.c [2019-11-06 21:34:16,020 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d85b28064/aa0449231da54c1bbf2c4da3ced22840/FLAG024d1b193 [2019-11-06 21:34:16,708 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:34:16,709 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product21.cil.c [2019-11-06 21:34:16,751 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d85b28064/aa0449231da54c1bbf2c4da3ced22840/FLAG024d1b193 [2019-11-06 21:34:16,879 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d85b28064/aa0449231da54c1bbf2c4da3ced22840 [2019-11-06 21:34:16,890 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:34:16,892 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:34:16,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:34:16,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:34:16,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:34:16,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:34:16" (1/1) ... [2019-11-06 21:34:16,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2753e2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:16, skipping insertion in model container [2019-11-06 21:34:16,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:34:16" (1/1) ... [2019-11-06 21:34:16,915 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:34:17,005 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:34:17,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:34:17,724 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:34:17,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:34:17,953 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:34:17,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:17 WrapperNode [2019-11-06 21:34:17,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:34:17,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:34:17,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:34:17,955 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:34:17,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:17" (1/1) ... [2019-11-06 21:34:17,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:17" (1/1) ... [2019-11-06 21:34:18,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:17" (1/1) ... [2019-11-06 21:34:18,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:17" (1/1) ... [2019-11-06 21:34:18,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:17" (1/1) ... [2019-11-06 21:34:18,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:17" (1/1) ... [2019-11-06 21:34:18,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:17" (1/1) ... [2019-11-06 21:34:18,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:34:18,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:34:18,167 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:34:18,167 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:34:18,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:17" (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 21:34:18,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:34:18,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:34:18,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:34:18,247 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-11-06 21:34:18,247 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-11-06 21:34:18,247 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-11-06 21:34:18,248 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-11-06 21:34:18,248 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-11-06 21:34:18,248 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-11-06 21:34:18,248 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-11-06 21:34:18,248 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-11-06 21:34:18,249 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-06 21:34:18,249 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-11-06 21:34:18,249 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-11-06 21:34:18,250 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-11-06 21:34:18,250 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-06 21:34:18,253 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-11-06 21:34:18,253 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:34:18,254 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-06 21:34:18,255 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:34:18,255 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-11-06 21:34:18,256 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-11-06 21:34:18,256 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-11-06 21:34:18,257 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-11-06 21:34:18,257 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-11-06 21:34:18,259 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-11-06 21:34:18,260 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-11-06 21:34:18,260 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-11-06 21:34:18,260 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-11-06 21:34:18,261 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-11-06 21:34:18,261 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-11-06 21:34:18,261 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-11-06 21:34:18,261 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-11-06 21:34:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-11-06 21:34:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-11-06 21:34:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-11-06 21:34:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-11-06 21:34:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-11-06 21:34:18,263 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-11-06 21:34:18,263 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-11-06 21:34:18,263 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-11-06 21:34:18,263 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2019-11-06 21:34:18,264 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-11-06 21:34:18,264 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-11-06 21:34:18,264 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-11-06 21:34:18,264 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-11-06 21:34:18,264 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-11-06 21:34:18,265 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-11-06 21:34:18,265 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-11-06 21:34:18,265 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-06 21:34:18,265 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-11-06 21:34:18,265 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-11-06 21:34:18,266 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-11-06 21:34:18,266 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-11-06 21:34:18,266 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-11-06 21:34:18,266 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-11-06 21:34:18,266 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-11-06 21:34:18,266 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-11-06 21:34:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-11-06 21:34:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-11-06 21:34:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:34:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-11-06 21:34:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2019-11-06 21:34:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:34:18,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:34:18,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:34:18,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:34:18,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:34:18,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:34:18,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:34:18,269 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:34:18,270 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:34:18,270 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:34:18,270 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:34:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:34:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:34:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 21:34:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-11-06 21:34:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-11-06 21:34:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-11-06 21:34:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-11-06 21:34:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-11-06 21:34:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-11-06 21:34:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-11-06 21:34:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-11-06 21:34:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-11-06 21:34:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-06 21:34:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-11-06 21:34:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-11-06 21:34:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-11-06 21:34:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-06 21:34:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-11-06 21:34:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-11-06 21:34:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-11-06 21:34:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-11-06 21:34:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-11-06 21:34:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-06 21:34:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-11-06 21:34:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:34:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:34:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-06 21:34:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:34:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:34:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:34:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:34:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-11-06 21:34:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-11-06 21:34:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-11-06 21:34:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-11-06 21:34:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-11-06 21:34:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:34:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-11-06 21:34:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-11-06 21:34:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-11-06 21:34:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-11-06 21:34:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-11-06 21:34:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-11-06 21:34:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-11-06 21:34:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-11-06 21:34:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-11-06 21:34:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-11-06 21:34:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-11-06 21:34:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-11-06 21:34:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-11-06 21:34:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-11-06 21:34:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-11-06 21:34:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-11-06 21:34:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-11-06 21:34:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-11-06 21:34:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-11-06 21:34:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2019-11-06 21:34:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-11-06 21:34:18,286 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-11-06 21:34:18,286 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-11-06 21:34:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-11-06 21:34:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-11-06 21:34:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-11-06 21:34:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-11-06 21:34:18,288 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2019-11-06 21:34:18,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:34:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-11-06 21:34:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-11-06 21:34:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:34:18,294 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:34:18,301 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:34:18,301 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:34:18,301 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:34:18,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:34:18,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:34:18,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:34:18,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:34:18,302 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:34:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:34:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:34:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:34:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:34:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:34:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:34:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:34:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:34:18,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:34:18,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:34:18,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:34:20,526 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:34:20,527 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-06 21:34:20,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:34:20 BoogieIcfgContainer [2019-11-06 21:34:20,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:34:20,532 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:34:20,532 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:34:20,536 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:34:20,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:34:16" (1/3) ... [2019-11-06 21:34:20,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d97941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:34:20, skipping insertion in model container [2019-11-06 21:34:20,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:17" (2/3) ... [2019-11-06 21:34:20,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d97941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:34:20, skipping insertion in model container [2019-11-06 21:34:20,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:34:20" (3/3) ... [2019-11-06 21:34:20,540 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product21.cil.c [2019-11-06 21:34:20,552 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:34:20,564 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:34:20,576 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:34:20,611 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:34:20,611 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:34:20,611 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:34:20,612 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:34:20,612 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:34:20,612 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:34:20,612 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:34:20,612 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:34:20,648 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states. [2019-11-06 21:34:20,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-11-06 21:34:20,674 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:34:20,675 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:34:20,677 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:34:20,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:34:20,683 INFO L82 PathProgramCache]: Analyzing trace with hash -713058684, now seen corresponding path program 1 times [2019-11-06 21:34:20,694 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:34:20,694 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289421301] [2019-11-06 21:34:20,694 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:34:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:22,301 WARN L191 SmtUtils]: Spent 926.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-11-06 21:34:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:22,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:22,542 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-11-06 21:34:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:22,698 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-11-06 21:34:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:22,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:22,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:22,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:22,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:22,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:22,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:23,019 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-06 21:34:23,020 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289421301] [2019-11-06 21:34:23,021 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:34:23,021 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-06 21:34:23,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816366048] [2019-11-06 21:34:23,027 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-06 21:34:23,027 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:34:23,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-06 21:34:23,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2019-11-06 21:34:23,042 INFO L87 Difference]: Start difference. First operand 793 states. Second operand 13 states. [2019-11-06 21:34:24,381 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-11-06 21:34:25,364 WARN L191 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-11-06 21:34:26,241 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-11-06 21:34:27,072 WARN L191 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-11-06 21:34:28,003 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-11-06 21:34:28,835 WARN L191 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2019-11-06 21:34:32,804 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-11-06 21:34:35,533 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-11-06 21:34:40,125 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-11-06 21:34:55,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:34:55,286 INFO L93 Difference]: Finished difference Result 1637 states and 2881 transitions. [2019-11-06 21:34:55,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-11-06 21:34:55,288 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 132 [2019-11-06 21:34:55,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:34:55,324 INFO L225 Difference]: With dead ends: 1637 [2019-11-06 21:34:55,324 INFO L226 Difference]: Without dead ends: 998 [2019-11-06 21:34:55,339 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=234, Invalid=696, Unknown=0, NotChecked=0, Total=930 [2019-11-06 21:34:55,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 998 states. [2019-11-06 21:34:55,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 998 to 639. [2019-11-06 21:34:55,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 639 states. [2019-11-06 21:34:55,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 1019 transitions. [2019-11-06 21:34:55,647 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 1019 transitions. Word has length 132 [2019-11-06 21:34:55,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:34:55,648 INFO L462 AbstractCegarLoop]: Abstraction has 639 states and 1019 transitions. [2019-11-06 21:34:55,648 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-06 21:34:55,648 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 1019 transitions. [2019-11-06 21:34:55,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-06 21:34:55,658 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:34:55,658 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:34:55,658 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:34:55,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:34:55,659 INFO L82 PathProgramCache]: Analyzing trace with hash 2033776308, now seen corresponding path program 1 times [2019-11-06 21:34:55,659 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:34:55,659 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438054145] [2019-11-06 21:34:55,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:34:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:56,619 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2019-11-06 21:34:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:56,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:56,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:56,818 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-11-06 21:34:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:56,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:57,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:57,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:57,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:57,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:34:57,148 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-06 21:34:57,149 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438054145] [2019-11-06 21:34:57,149 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:34:57,149 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-06 21:34:57,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402933048] [2019-11-06 21:34:57,152 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-06 21:34:57,152 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:34:57,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-06 21:34:57,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-11-06 21:34:57,153 INFO L87 Difference]: Start difference. First operand 639 states and 1019 transitions. Second operand 10 states. [2019-11-06 21:34:57,946 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 109