/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_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:31:36,553 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:31:36,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:31:36,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:31:36,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:31:36,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:31:36,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:31:36,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:31:36,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:31:36,595 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:31:36,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:31:36,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:31:36,598 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:31:36,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:31:36,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:31:36,603 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:31:36,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:31:36,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:31:36,611 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:31:36,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:31:36,617 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:31:36,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:31:36,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:31:36,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:31:36,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:31:36,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:31:36,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:31:36,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:31:36,626 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:31:36,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:31:36,627 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:31:36,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:31:36,629 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:31:36,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:31:36,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:31:36,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:31:36,631 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:31:36,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:31:36,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:31:36,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:31:36,633 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:31:36,634 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 21:31:36,650 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:31:36,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:31:36,652 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:31:36,652 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:31:36,652 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:31:36,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:31:36,653 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:31:36,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:31:36,653 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:31:36,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:31:36,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:31:36,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:31:36,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:31:36,654 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:31:36,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:31:36,655 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:31:36,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:31:36,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:31:36,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:31:36,655 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:31:36,656 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:31:36,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:31:36,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:31:36,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:31:36,657 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:31:36,657 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:31:36,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:31:36,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:31:36,657 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:31:36,966 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:31:36,980 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:31:36,983 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:31:36,986 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:31:36,986 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:31:36,987 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product01.cil.c [2019-11-06 21:31:37,058 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8d7b2032/58c2d98e67494564beaeb7d190abd85a/FLAG622d032cc [2019-11-06 21:31:37,726 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:31:37,729 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec2_product01.cil.c [2019-11-06 21:31:37,764 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8d7b2032/58c2d98e67494564beaeb7d190abd85a/FLAG622d032cc [2019-11-06 21:31:37,914 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8d7b2032/58c2d98e67494564beaeb7d190abd85a [2019-11-06 21:31:37,925 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:31:37,927 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:31:37,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:31:37,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:31:37,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:31:37,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:31:37" (1/1) ... [2019-11-06 21:31:37,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9c9a023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:31:37, skipping insertion in model container [2019-11-06 21:31:37,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:31:37" (1/1) ... [2019-11-06 21:31:37,945 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:31:38,031 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:31:38,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:31:38,716 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:31:38,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:31:38,980 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:31:38,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:31:38 WrapperNode [2019-11-06 21:31:38,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:31:38,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:31:38,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:31:38,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:31:38,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:31:38" (1/1) ... [2019-11-06 21:31:38,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:31:38" (1/1) ... [2019-11-06 21:31:39,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:31:38" (1/1) ... [2019-11-06 21:31:39,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:31:38" (1/1) ... [2019-11-06 21:31:39,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:31:38" (1/1) ... [2019-11-06 21:31:39,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:31:38" (1/1) ... [2019-11-06 21:31:39,184 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:31:38" (1/1) ... [2019-11-06 21:31:39,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:31:39,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:31:39,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:31:39,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:31:39,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:31:38" (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 21:31:39,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:31:39,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:31:39,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:31:39,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:31:39,306 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-11-06 21:31:39,307 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-11-06 21:31:39,307 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-11-06 21:31:39,307 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:31:39,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-11-06 21:31:39,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-11-06 21:31:39,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2019-11-06 21:31:39,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2019-11-06 21:31:39,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:31:39,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:31:39,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:31:39,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:31:39,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:31:39,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:31:39,310 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-11-06 21:31:39,310 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-11-06 21:31:39,310 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-11-06 21:31:39,311 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-11-06 21:31:39,311 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-11-06 21:31:39,311 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-11-06 21:31:39,312 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-11-06 21:31:39,312 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-11-06 21:31:39,312 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-06 21:31:39,312 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-11-06 21:31:39,312 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-11-06 21:31:39,312 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-11-06 21:31:39,313 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-06 21:31:39,313 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-11-06 21:31:39,313 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:31:39,313 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-06 21:31:39,313 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:31:39,314 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-11-06 21:31:39,314 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-11-06 21:31:39,314 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-11-06 21:31:39,314 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-11-06 21:31:39,314 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-11-06 21:31:39,314 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-11-06 21:31:39,315 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-11-06 21:31:39,315 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-11-06 21:31:39,315 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-11-06 21:31:39,315 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-11-06 21:31:39,315 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-11-06 21:31:39,316 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-11-06 21:31:39,316 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-11-06 21:31:39,316 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-11-06 21:31:39,316 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-11-06 21:31:39,316 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-11-06 21:31:39,316 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-11-06 21:31:39,317 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-11-06 21:31:39,317 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-11-06 21:31:39,317 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-11-06 21:31:39,317 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-06 21:31:39,317 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-11-06 21:31:39,317 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-11-06 21:31:39,318 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-11-06 21:31:39,318 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-11-06 21:31:39,318 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:31:39,318 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:31:39,318 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:31:39,319 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:31:39,319 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-11-06 21:31:39,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-11-06 21:31:39,319 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-11-06 21:31:39,319 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-11-06 21:31:39,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-11-06 21:31:39,320 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-11-06 21:31:39,320 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-11-06 21:31:39,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-11-06 21:31:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:31:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:31:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:31:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-11-06 21:31:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-11-06 21:31:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-11-06 21:31:39,322 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-11-06 21:31:39,322 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-06 21:31:39,322 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:31:39,322 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-11-06 21:31:39,322 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-11-06 21:31:39,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-11-06 21:31:39,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-11-06 21:31:39,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2019-11-06 21:31:39,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2019-11-06 21:31:39,323 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:31:39,324 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:31:39,324 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:31:39,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:31:39,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:31:39,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:31:39,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:31:39,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:31:39,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:31:39,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:31:39,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:31:39,325 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:31:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:31:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:31:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:31:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:31:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:31:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 21:31:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-11-06 21:31:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-11-06 21:31:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-11-06 21:31:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-11-06 21:31:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-11-06 21:31:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-11-06 21:31:39,328 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-11-06 21:31:39,328 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-06 21:31:39,328 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-11-06 21:31:39,328 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-11-06 21:31:39,328 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-11-06 21:31:39,329 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-11-06 21:31:39,329 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-11-06 21:31:39,329 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-11-06 21:31:39,329 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-11-06 21:31:39,329 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-11-06 21:31:39,329 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-06 21:31:39,330 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-11-06 21:31:39,330 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:31:39,330 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-06 21:31:39,330 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:31:39,330 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:31:39,331 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:31:39,331 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:31:39,331 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:31:39,331 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-11-06 21:31:39,331 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-11-06 21:31:39,331 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-11-06 21:31:39,332 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-11-06 21:31:39,332 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-11-06 21:31:39,332 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-11-06 21:31:39,332 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-11-06 21:31:39,332 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-11-06 21:31:39,333 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-11-06 21:31:39,333 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-11-06 21:31:39,333 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-11-06 21:31:39,333 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-11-06 21:31:39,333 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-11-06 21:31:39,334 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-11-06 21:31:39,334 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-11-06 21:31:39,334 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-11-06 21:31:39,334 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-11-06 21:31:39,334 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-11-06 21:31:39,334 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-11-06 21:31:39,335 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-11-06 21:31:39,335 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-11-06 21:31:39,335 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-11-06 21:31:39,335 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-11-06 21:31:39,335 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-11-06 21:31:39,335 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:31:39,336 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-11-06 21:31:39,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:31:39,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:31:39,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:31:41,630 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:31:41,630 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-06 21:31:41,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:31:41 BoogieIcfgContainer [2019-11-06 21:31:41,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:31:41,635 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:31:41,635 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:31:41,638 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:31:41,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:31:37" (1/3) ... [2019-11-06 21:31:41,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250020e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:31:41, skipping insertion in model container [2019-11-06 21:31:41,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:31:38" (2/3) ... [2019-11-06 21:31:41,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250020e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:31:41, skipping insertion in model container [2019-11-06 21:31:41,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:31:41" (3/3) ... [2019-11-06 21:31:41,644 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product01.cil.c [2019-11-06 21:31:41,655 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:31:41,666 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:31:41,681 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:31:41,733 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:31:41,733 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:31:41,733 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:31:41,733 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:31:41,734 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:31:41,734 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:31:41,734 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:31:41,734 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:31:41,780 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states. [2019-11-06 21:31:41,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-11-06 21:31:41,808 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:31:41,810 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:31:41,812 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:31:41,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:31:41,818 INFO L82 PathProgramCache]: Analyzing trace with hash 579631, now seen corresponding path program 1 times [2019-11-06 21:31:41,826 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:31:41,827 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093075933] [2019-11-06 21:31:41,827 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:31:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:31:43,289 WARN L191 SmtUtils]: Spent 915.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2019-11-06 21:31:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:31:43,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:31:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:31:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:31:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:31:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:31:43,666 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-06 21:31:43,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:31:43,987 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-11-06 21:31:44,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:31:44,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:31:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:31:44,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:31:44,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:31:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:31:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:31:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:31:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:31:44,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:31:44,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:31:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:31:44,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 21:31:44,315 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093075933] [2019-11-06 21:31:44,316 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:31:44,316 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-06 21:31:44,317 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767132635] [2019-11-06 21:31:44,323 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-06 21:31:44,324 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:31:44,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-06 21:31:44,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-06 21:31:44,341 INFO L87 Difference]: Start difference. First operand 721 states. Second operand 10 states. [2019-11-06 21:31:45,198 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-11-06 21:31:46,121 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2019-11-06 21:31:46,943 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2019-11-06 21:31:48,812 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-11-06 21:31:49,908 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-11-06 21:32:12,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:32:12,583 INFO L93 Difference]: Finished difference Result 1657 states and 3008 transitions. [2019-11-06 21:32:12,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-06 21:32:12,585 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 107 [2019-11-06 21:32:12,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:32:12,620 INFO L225 Difference]: With dead ends: 1657 [2019-11-06 21:32:12,620 INFO L226 Difference]: Without dead ends: 1085 [2019-11-06 21:32:12,631 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2019-11-06 21:32:12,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1085 states. [2019-11-06 21:32:12,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1085 to 561. [2019-11-06 21:32:12,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 561 states. [2019-11-06 21:32:12,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 909 transitions. [2019-11-06 21:32:12,900 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 909 transitions. Word has length 107 [2019-11-06 21:32:12,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:32:12,901 INFO L462 AbstractCegarLoop]: Abstraction has 561 states and 909 transitions. [2019-11-06 21:32:12,901 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-06 21:32:12,901 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 909 transitions. [2019-11-06 21:32:12,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-11-06 21:32:12,909 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:32:12,909 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:32:12,909 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:32:12,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:32:12,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1624649059, now seen corresponding path program 1 times [2019-11-06 21:32:12,910 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:32:12,910 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951688633] [2019-11-06 21:32:12,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:32:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:13,887 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2019-11-06 21:32:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:13,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:13,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:14,147 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-06 21:32:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:14,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:32:14,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 21:32:14,559 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951688633] [2019-11-06 21:32:14,560 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:32:14,560 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-06 21:32:14,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951144295] [2019-11-06 21:32:14,562 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-06 21:32:14,562 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:32:14,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-06 21:32:14,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-11-06 21:32:14,563 INFO L87 Difference]: Start difference. First operand 561 states and 909 transitions. Second operand 13 states. [2019-11-06 21:32:15,840 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-11-06 21:32:16,705 WARN L191 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2019-11-06 21:32:17,558 WARN L191 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 387