/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec2_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:32:00,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:32:00,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:32:00,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:32:00,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:32:00,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:32:00,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:32:00,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:32:00,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:32:00,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:32:00,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:32:00,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:32:00,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:32:00,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:32:00,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:32:00,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:32:00,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:32:00,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:32:00,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:32:00,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:32:00,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:32:00,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:32:00,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:32:00,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:32:00,276 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:32:00,276 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:32:00,277 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:32:00,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:32:00,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:32:00,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:32:00,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:32:00,280 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:32:00,281 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:32:00,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:32:00,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:32:00,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:32:00,284 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:32:00,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:32:00,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:32:00,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:32:00,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:32:00,289 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 21:32:00,314 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:32:00,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:32:00,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:32:00,316 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:32:00,316 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:32:00,316 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:32:00,316 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:32:00,317 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:32:00,317 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:32:00,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:32:00,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:32:00,318 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:32:00,319 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:32:00,319 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:32:00,319 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:32:00,319 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:32:00,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:32:00,320 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:32:00,320 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:32:00,320 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:32:00,321 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:32:00,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:32:00,321 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:32:00,321 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:32:00,322 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:32:00,322 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:32:00,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:32:00,322 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:32:00,322 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:32:00,624 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:32:00,644 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:32:00,647 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:32:00,649 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:32:00,649 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:32:00,650 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product03.cil.c [2019-11-06 21:32:00,725 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b38785a30/128d7b2f033541d48c9dc46061b47ec6/FLAGa6f7f9835 [2019-11-06 21:32:01,355 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:32:01,356 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product03.cil.c [2019-11-06 21:32:01,388 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b38785a30/128d7b2f033541d48c9dc46061b47ec6/FLAGa6f7f9835 [2019-11-06 21:32:01,530 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b38785a30/128d7b2f033541d48c9dc46061b47ec6 [2019-11-06 21:32:01,538 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:32:01,539 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:32:01,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:32:01,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:32:01,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:32:01,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:32:01" (1/1) ... [2019-11-06 21:32:01,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6deb8361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:01, skipping insertion in model container [2019-11-06 21:32:01,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:32:01" (1/1) ... [2019-11-06 21:32:01,555 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:32:01,619 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:32:02,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:32:02,428 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:32:02,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:32:02,573 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:32:02,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:02 WrapperNode [2019-11-06 21:32:02,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:32:02,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:32:02,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:32:02,574 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:32:02,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:02" (1/1) ... [2019-11-06 21:32:02,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:02" (1/1) ... [2019-11-06 21:32:02,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:02" (1/1) ... [2019-11-06 21:32:02,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:02" (1/1) ... [2019-11-06 21:32:02,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:02" (1/1) ... [2019-11-06 21:32:02,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:02" (1/1) ... [2019-11-06 21:32:02,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:02" (1/1) ... [2019-11-06 21:32:02,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:32:02,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:32:02,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:32:02,800 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:32:02,801 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:32:02,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:32:02,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:32:02,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:32:02,894 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-11-06 21:32:02,894 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-11-06 21:32:02,895 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-11-06 21:32:02,895 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-11-06 21:32:02,896 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-11-06 21:32:02,896 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-11-06 21:32:02,896 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-11-06 21:32:02,896 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-11-06 21:32:02,896 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-11-06 21:32:02,897 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-11-06 21:32:02,897 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-11-06 21:32:02,898 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:32:02,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:32:02,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:32:02,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:32:02,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:32:02,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:32:02,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:32:02,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:32:02,902 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:32:02,902 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:32:02,902 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:32:02,902 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:32:02,902 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-11-06 21:32:02,903 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-11-06 21:32:02,903 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-11-06 21:32:02,903 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-11-06 21:32:02,904 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-11-06 21:32:02,904 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-11-06 21:32:02,904 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-11-06 21:32:02,904 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-11-06 21:32:02,905 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-06 21:32:02,905 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-11-06 21:32:02,905 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-11-06 21:32:02,905 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-11-06 21:32:02,905 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-06 21:32:02,905 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-11-06 21:32:02,906 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:32:02,906 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-06 21:32:02,906 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:32:02,906 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-11-06 21:32:02,906 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-11-06 21:32:02,906 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-11-06 21:32:02,907 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-11-06 21:32:02,907 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-11-06 21:32:02,907 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-11-06 21:32:02,907 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-11-06 21:32:02,908 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-11-06 21:32:02,908 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-11-06 21:32:02,908 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-11-06 21:32:02,908 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-11-06 21:32:02,908 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-11-06 21:32:02,908 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-11-06 21:32:02,909 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-11-06 21:32:02,909 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__base [2019-11-06 21:32:02,909 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-11-06 21:32:02,909 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-11-06 21:32:02,909 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-11-06 21:32:02,909 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__base [2019-11-06 21:32:02,910 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-11-06 21:32:02,910 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-11-06 21:32:02,910 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-11-06 21:32:02,911 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-06 21:32:02,911 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-11-06 21:32:02,911 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-11-06 21:32:02,911 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2019-11-06 21:32:02,912 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2019-11-06 21:32:02,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-11-06 21:32:02,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-11-06 21:32:02,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2019-11-06 21:32:02,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2019-11-06 21:32:02,913 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-11-06 21:32:02,913 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-11-06 21:32:02,914 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:32:02,914 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:32:02,914 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-11-06 21:32:02,914 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-11-06 21:32:02,914 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-11-06 21:32:02,915 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-11-06 21:32:02,915 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-11-06 21:32:02,915 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-11-06 21:32:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-11-06 21:32:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-11-06 21:32:02,917 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-11-06 21:32:02,917 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-11-06 21:32:02,917 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-11-06 21:32:02,917 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-11-06 21:32:02,917 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-06 21:32:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:32:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:32:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:32:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:32:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:32:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:32:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:32:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:32:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:32:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:32:02,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:32:02,920 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:32:02,920 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:32:02,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:32:02,920 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:32:02,920 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:32:02,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:32:02,921 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:32:02,921 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:32:02,921 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:32:02,921 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:32:02,921 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:32:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:32:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 21:32:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-11-06 21:32:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-11-06 21:32:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-11-06 21:32:02,923 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-11-06 21:32:02,923 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-11-06 21:32:02,923 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-11-06 21:32:02,924 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-06 21:32:02,924 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-11-06 21:32:02,924 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-11-06 21:32:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-11-06 21:32:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-11-06 21:32:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-11-06 21:32:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-11-06 21:32:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-11-06 21:32:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-11-06 21:32:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-06 21:32:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-11-06 21:32:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:32:02,927 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-11-06 21:32:02,927 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2019-11-06 21:32:02,927 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-06 21:32:02,927 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:32:02,928 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:32:02,928 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-11-06 21:32:02,929 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-11-06 21:32:02,932 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-11-06 21:32:02,933 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-11-06 21:32:02,933 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-11-06 21:32:02,934 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-11-06 21:32:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-11-06 21:32:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2019-11-06 21:32:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2019-11-06 21:32:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-11-06 21:32:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-11-06 21:32:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-11-06 21:32:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-11-06 21:32:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-11-06 21:32:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-11-06 21:32:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__base [2019-11-06 21:32:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-11-06 21:32:02,942 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-11-06 21:32:02,943 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__base [2019-11-06 21:32:02,943 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-11-06 21:32:02,943 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-11-06 21:32:02,943 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-11-06 21:32:02,944 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2019-11-06 21:32:02,944 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-11-06 21:32:02,944 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-11-06 21:32:02,944 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-11-06 21:32:02,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:32:02,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:32:02,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:32:05,196 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:32:05,196 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-06 21:32:05,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:32:05 BoogieIcfgContainer [2019-11-06 21:32:05,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:32:05,201 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:32:05,201 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:32:05,204 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:32:05,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:32:01" (1/3) ... [2019-11-06 21:32:05,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dff7674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:32:05, skipping insertion in model container [2019-11-06 21:32:05,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:32:02" (2/3) ... [2019-11-06 21:32:05,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dff7674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:32:05, skipping insertion in model container [2019-11-06 21:32:05,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:32:05" (3/3) ... [2019-11-06 21:32:05,209 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product03.cil.c [2019-11-06 21:32:05,221 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:32:05,232 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:32:05,246 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:32:05,292 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:32:05,292 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:32:05,292 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:32:05,292 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:32:05,292 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:32:05,293 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:32:05,293 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:32:05,293 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:32:05,334 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states. [2019-11-06 21:32:05,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-06 21:32:05,365 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:32:05,366 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:32:05,368 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:32:05,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:32:05,374 INFO L82 PathProgramCache]: Analyzing trace with hash 370351368, now seen corresponding path program 1 times [2019-11-06 21:32:05,383 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:32:05,383 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113777676] [2019-11-06 21:32:05,383 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:32:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:06,822 WARN L191 SmtUtils]: Spent 909.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2019-11-06 21:32:06,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:07,092 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-06 21:32:07,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:07,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:07,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:07,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:07,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:07,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:07,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:07,663 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-06 21:32:07,664 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113777676] [2019-11-06 21:32:07,664 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:32:07,665 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-06 21:32:07,665 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043217168] [2019-11-06 21:32:07,669 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-06 21:32:07,670 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:32:07,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-06 21:32:07,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-06 21:32:07,682 INFO L87 Difference]: Start difference. First operand 749 states. Second operand 10 states. [2019-11-06 21:32:09,483 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-11-06 21:32:10,276 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2019-11-06 21:32:12,118 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-11-06 21:32:16,929 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-11-06 21:32:32,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:32:32,912 INFO L93 Difference]: Finished difference Result 1713 states and 3080 transitions. [2019-11-06 21:32:32,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-06 21:32:32,919 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 133 [2019-11-06 21:32:32,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:32:32,957 INFO L225 Difference]: With dead ends: 1713 [2019-11-06 21:32:32,957 INFO L226 Difference]: Without dead ends: 1113 [2019-11-06 21:32:32,970 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2019-11-06 21:32:32,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2019-11-06 21:32:33,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 589. [2019-11-06 21:32:33,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2019-11-06 21:32:33,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 945 transitions. [2019-11-06 21:32:33,258 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 945 transitions. Word has length 133 [2019-11-06 21:32:33,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:32:33,259 INFO L462 AbstractCegarLoop]: Abstraction has 589 states and 945 transitions. [2019-11-06 21:32:33,259 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-06 21:32:33,259 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 945 transitions. [2019-11-06 21:32:33,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-06 21:32:33,267 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:32:33,267 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:32:33,267 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:32:33,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:32:33,268 INFO L82 PathProgramCache]: Analyzing trace with hash -743808276, now seen corresponding path program 1 times [2019-11-06 21:32:33,268 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:32:33,268 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385147853] [2019-11-06 21:32:33,269 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:32:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:34,177 WARN L191 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2019-11-06 21:32:34,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:34,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:34,463 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-06 21:32:34,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:34,616 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-11-06 21:32:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:34,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:34,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:34,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:35,044 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-06 21:32:35,045 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385147853] [2019-11-06 21:32:35,046 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:32:35,046 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-06 21:32:35,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165087756] [2019-11-06 21:32:35,059 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-06 21:32:35,059 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:32:35,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-06 21:32:35,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-06 21:32:35,068 INFO L87 Difference]: Start difference. First operand 589 states and 945 transitions. Second operand 10 states. [2019-11-06 21:32:36,762 WARN L191 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2019-11-06 21:32:37,570 WARN L191 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2019-11-06 21:32:39,206 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 127