/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec3_product18.cil.c


--------------------------------------------------------------------------------


This is Ultimate 0.1.24-fb55353
[2019-11-06 21:34:13,284 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-11-06 21:34:13,287 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-11-06 21:34:13,299 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-11-06 21:34:13,300 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-11-06 21:34:13,301 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-11-06 21:34:13,302 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-11-06 21:34:13,304 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-11-06 21:34:13,306 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-11-06 21:34:13,307 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-11-06 21:34:13,308 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-11-06 21:34:13,309 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-11-06 21:34:13,309 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-11-06 21:34:13,310 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-11-06 21:34:13,311 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-11-06 21:34:13,312 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-11-06 21:34:13,313 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-11-06 21:34:13,314 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-11-06 21:34:13,316 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-11-06 21:34:13,318 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-11-06 21:34:13,319 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-11-06 21:34:13,321 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-11-06 21:34:13,322 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-11-06 21:34:13,322 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-11-06 21:34:13,325 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-11-06 21:34:13,325 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-11-06 21:34:13,325 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-11-06 21:34:13,326 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-11-06 21:34:13,327 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-11-06 21:34:13,327 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-11-06 21:34:13,328 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-11-06 21:34:13,329 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-11-06 21:34:13,329 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-11-06 21:34:13,330 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-11-06 21:34:13,331 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-11-06 21:34:13,331 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2019-11-06 21:34:13,332 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2019-11-06 21:34:13,334 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-11-06 21:34:13,335 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2019-11-06 21:34:13,349 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-11-06 21:34:13,349 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-11-06 21:34:13,350 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-11-06 21:34:13,351 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-11-06 21:34:13,351 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-11-06 21:34:13,351 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-11-06 21:34:13,351 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-11-06 21:34:13,352 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-11-06 21:34:13,352 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-11-06 21:34:13,352 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-11-06 21:34:13,352 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-11-06 21:34:13,352 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-11-06 21:34:13,352 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-11-06 21:34:13,353 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-11-06 21:34:13,353 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-11-06 21:34:13,353 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-11-06 21:34:13,353 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-11-06 21:34:13,353 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-11-06 21:34:13,354 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-11-06 21:34:13,354 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-11-06 21:34:13,354 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-11-06 21:34:13,354 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-11-06 21:34:13,354 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-11-06 21:34:13,355 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-11-06 21:34:13,355 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-11-06 21:34:13,355 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-11-06 21:34:13,355 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-11-06 21:34:13,355 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-11-06 21:34:13,356 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-11-06 21:34:13,642 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-11-06 21:34:13,668 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-11-06 21:34:13,672 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-11-06 21:34:13,673 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-11-06 21:34:13,674 INFO  L275        PluginConnector]: CDTParser initialized
[2019-11-06 21:34:13,675 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product18.cil.c
[2019-11-06 21:34:13,755 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec2348c2c/2ec6b3b12e664519be83ef158d69cf89/FLAG130851fef
[2019-11-06 21:34:14,335 INFO  L306              CDTParser]: Found 1 translation units.
[2019-11-06 21:34:14,336 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product18.cil.c
[2019-11-06 21:34:14,359 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec2348c2c/2ec6b3b12e664519be83ef158d69cf89/FLAG130851fef
[2019-11-06 21:34:14,510 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec2348c2c/2ec6b3b12e664519be83ef158d69cf89
[2019-11-06 21:34:14,519 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-11-06 21:34:14,520 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-11-06 21:34:14,521 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-11-06 21:34:14,521 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-11-06 21:34:14,525 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-11-06 21:34:14,526 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:34:14" (1/1) ...
[2019-11-06 21:34:14,528 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7398fa15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:14, skipping insertion in model container
[2019-11-06 21:34:14,529 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:34:14" (1/1) ...
[2019-11-06 21:34:14,536 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-11-06 21:34:14,622 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-11-06 21:34:15,276 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-06 21:34:15,294 INFO  L188         MainTranslator]: Completed pre-run
[2019-11-06 21:34:15,434 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-06 21:34:15,488 INFO  L192         MainTranslator]: Completed translation
[2019-11-06 21:34:15,488 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:15 WrapperNode
[2019-11-06 21:34:15,489 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-11-06 21:34:15,489 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-11-06 21:34:15,489 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-11-06 21:34:15,490 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-11-06 21:34:15,503 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:15" (1/1) ...
[2019-11-06 21:34:15,504 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:15" (1/1) ...
[2019-11-06 21:34:15,543 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:15" (1/1) ...
[2019-11-06 21:34:15,548 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:15" (1/1) ...
[2019-11-06 21:34:15,614 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:15" (1/1) ...
[2019-11-06 21:34:15,657 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:15" (1/1) ...
[2019-11-06 21:34:15,668 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:15" (1/1) ...
[2019-11-06 21:34:15,689 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-11-06 21:34:15,692 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-11-06 21:34:15,692 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-11-06 21:34:15,692 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-11-06 21:34:15,695 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:15" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-11-06 21:34:15,783 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-11-06 21:34:15,784 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-11-06 21:34:15,784 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2019-11-06 21:34:15,784 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2019-11-06 21:34:15,784 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2019-11-06 21:34:15,785 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2019-11-06 21:34:15,786 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2019-11-06 21:34:15,786 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2019-11-06 21:34:15,786 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2019-11-06 21:34:15,786 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2019-11-06 21:34:15,787 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2019-11-06 21:34:15,787 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2019-11-06 21:34:15,788 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2019-11-06 21:34:15,788 INFO  L138     BoogieDeclarations]: Found implementation of procedure initFloors
[2019-11-06 21:34:15,789 INFO  L138     BoogieDeclarations]: Found implementation of procedure isFloorCalling
[2019-11-06 21:34:15,789 INFO  L138     BoogieDeclarations]: Found implementation of procedure resetCallOnFloor
[2019-11-06 21:34:15,792 INFO  L138     BoogieDeclarations]: Found implementation of procedure callOnFloor
[2019-11-06 21:34:15,792 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPersonOnFloor
[2019-11-06 21:34:15,793 INFO  L138     BoogieDeclarations]: Found implementation of procedure initPersonOnFloor
[2019-11-06 21:34:15,794 INFO  L138     BoogieDeclarations]: Found implementation of procedure removePersonFromFloor
[2019-11-06 21:34:15,794 INFO  L138     BoogieDeclarations]: Found implementation of procedure isTopFloor
[2019-11-06 21:34:15,794 INFO  L138     BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07
[2019-11-06 21:34:15,795 INFO  L138     BoogieDeclarations]: Found implementation of procedure bobCall
[2019-11-06 21:34:15,795 INFO  L138     BoogieDeclarations]: Found implementation of procedure aliceCall
[2019-11-06 21:34:15,795 INFO  L138     BoogieDeclarations]: Found implementation of procedure angelinaCall
[2019-11-06 21:34:15,795 INFO  L138     BoogieDeclarations]: Found implementation of procedure chuckCall
[2019-11-06 21:34:15,796 INFO  L138     BoogieDeclarations]: Found implementation of procedure monicaCall
[2019-11-06 21:34:15,796 INFO  L138     BoogieDeclarations]: Found implementation of procedure bigMacCall
[2019-11-06 21:34:15,796 INFO  L138     BoogieDeclarations]: Found implementation of procedure threeTS
[2019-11-06 21:34:15,796 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2019-11-06 21:34:15,797 INFO  L138     BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions
[2019-11-06 21:34:15,797 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest_Simple
[2019-11-06 21:34:15,797 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification1
[2019-11-06 21:34:15,797 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2019-11-06 21:34:15,797 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification3
[2019-11-06 21:34:15,798 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2019-11-06 21:34:15,798 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2019-11-06 21:34:15,798 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-11-06 21:34:15,798 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2019-11-06 21:34:15,799 INFO  L138     BoogieDeclarations]: Found implementation of procedure initTopDown
[2019-11-06 21:34:15,799 INFO  L138     BoogieDeclarations]: Found implementation of procedure initBottomUp
[2019-11-06 21:34:15,799 INFO  L138     BoogieDeclarations]: Found implementation of procedure isBlocked
[2019-11-06 21:34:15,799 INFO  L138     BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base
[2019-11-06 21:34:15,799 INFO  L138     BoogieDeclarations]: Found implementation of procedure enterElevator
[2019-11-06 21:34:15,800 INFO  L138     BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base
[2019-11-06 21:34:15,800 INFO  L138     BoogieDeclarations]: Found implementation of procedure leaveElevator
[2019-11-06 21:34:15,800 INFO  L138     BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton
[2019-11-06 21:34:15,800 INFO  L138     BoogieDeclarations]: Found implementation of procedure resetFloorButton
[2019-11-06 21:34:15,801 INFO  L138     BoogieDeclarations]: Found implementation of procedure getCurrentFloorID
[2019-11-06 21:34:15,801 INFO  L138     BoogieDeclarations]: Found implementation of procedure areDoorsOpen
[2019-11-06 21:34:15,801 INFO  L138     BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed
[2019-11-06 21:34:15,801 INFO  L138     BoogieDeclarations]: Found implementation of procedure getCurrentHeading
[2019-11-06 21:34:15,801 INFO  L138     BoogieDeclarations]: Found implementation of procedure isEmpty
[2019-11-06 21:34:15,802 INFO  L138     BoogieDeclarations]: Found implementation of procedure anyStopRequested
[2019-11-06 21:34:15,802 INFO  L138     BoogieDeclarations]: Found implementation of procedure isIdle
[2019-11-06 21:34:15,802 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection
[2019-11-06 21:34:15,802 INFO  L138     BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed
[2019-11-06 21:34:15,802 INFO  L138     BoogieDeclarations]: Found implementation of procedure continueInDirection
[2019-11-06 21:34:15,802 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor
[2019-11-06 21:34:15,803 INFO  L138     BoogieDeclarations]: Found implementation of procedure getReverseHeading
[2019-11-06 21:34:15,803 INFO  L138     BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor
[2019-11-06 21:34:15,803 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__weight
[2019-11-06 21:34:15,804 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2019-11-06 21:34:15,804 INFO  L138     BoogieDeclarations]: Found implementation of procedure printState__wrappee__weight
[2019-11-06 21:34:15,804 INFO  L138     BoogieDeclarations]: Found implementation of procedure printState
[2019-11-06 21:34:15,804 INFO  L138     BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection
[2019-11-06 21:34:15,804 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWeight
[2019-11-06 21:34:15,805 INFO  L138     BoogieDeclarations]: Found implementation of procedure getOrigin
[2019-11-06 21:34:15,805 INFO  L138     BoogieDeclarations]: Found implementation of procedure getDestination
[2019-11-06 21:34:15,805 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2019-11-06 21:34:15,806 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2
[2019-11-06 21:34:15,806 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2019-11-06 21:34:15,806 INFO  L138     BoogieDeclarations]: Found implementation of procedure spec1
[2019-11-06 21:34:15,806 INFO  L138     BoogieDeclarations]: Found implementation of procedure spec14
[2019-11-06 21:34:15,807 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-11-06 21:34:15,807 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-11-06 21:34:15,807 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2019-11-06 21:34:15,808 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2019-11-06 21:34:15,808 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2019-11-06 21:34:15,808 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2019-11-06 21:34:15,808 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2019-11-06 21:34:15,808 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2019-11-06 21:34:15,809 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2019-11-06 21:34:15,809 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2019-11-06 21:34:15,809 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-11-06 21:34:15,810 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-11-06 21:34:15,810 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-11-06 21:34:15,811 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-11-06 21:34:15,811 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2019-11-06 21:34:15,811 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-11-06 21:34:15,811 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2019-11-06 21:34:15,812 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2019-11-06 21:34:15,813 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-11-06 21:34:15,813 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2019-11-06 21:34:15,813 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2019-11-06 21:34:15,813 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-11-06 21:34:15,813 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2019-11-06 21:34:15,814 INFO  L130     BoogieDeclarations]: Found specification of procedure isFloorCalling
[2019-11-06 21:34:15,814 INFO  L130     BoogieDeclarations]: Found specification of procedure resetCallOnFloor
[2019-11-06 21:34:15,814 INFO  L130     BoogieDeclarations]: Found specification of procedure callOnFloor
[2019-11-06 21:34:15,815 INFO  L130     BoogieDeclarations]: Found specification of procedure isPersonOnFloor
[2019-11-06 21:34:15,815 INFO  L130     BoogieDeclarations]: Found specification of procedure initPersonOnFloor
[2019-11-06 21:34:15,815 INFO  L130     BoogieDeclarations]: Found specification of procedure removePersonFromFloor
[2019-11-06 21:34:15,815 INFO  L130     BoogieDeclarations]: Found specification of procedure isTopFloor
[2019-11-06 21:34:15,815 INFO  L130     BoogieDeclarations]: Found specification of procedure initFloors
[2019-11-06 21:34:15,816 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2019-11-06 21:34:15,816 INFO  L130     BoogieDeclarations]: Found specification of procedure get_nondetMinMax07
[2019-11-06 21:34:15,816 INFO  L130     BoogieDeclarations]: Found specification of procedure getOrigin
[2019-11-06 21:34:15,817 INFO  L130     BoogieDeclarations]: Found specification of procedure bobCall
[2019-11-06 21:34:15,817 INFO  L130     BoogieDeclarations]: Found specification of procedure aliceCall
[2019-11-06 21:34:15,817 INFO  L130     BoogieDeclarations]: Found specification of procedure angelinaCall
[2019-11-06 21:34:15,817 INFO  L130     BoogieDeclarations]: Found specification of procedure chuckCall
[2019-11-06 21:34:15,817 INFO  L130     BoogieDeclarations]: Found specification of procedure monicaCall
[2019-11-06 21:34:15,818 INFO  L130     BoogieDeclarations]: Found specification of procedure bigMacCall
[2019-11-06 21:34:15,818 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2019-11-06 21:34:15,818 INFO  L130     BoogieDeclarations]: Found specification of procedure threeTS
[2019-11-06 21:34:15,818 INFO  L130     BoogieDeclarations]: Found specification of procedure isIdle
[2019-11-06 21:34:15,818 INFO  L130     BoogieDeclarations]: Found specification of procedure isBlocked
[2019-11-06 21:34:15,819 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2019-11-06 21:34:15,819 INFO  L130     BoogieDeclarations]: Found specification of procedure initTopDown
[2019-11-06 21:34:15,820 INFO  L130     BoogieDeclarations]: Found specification of procedure initBottomUp
[2019-11-06 21:34:15,820 INFO  L130     BoogieDeclarations]: Found specification of procedure randomSequenceOfActions
[2019-11-06 21:34:15,820 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest_Simple
[2019-11-06 21:34:15,820 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification1
[2019-11-06 21:34:15,821 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2019-11-06 21:34:15,822 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification3
[2019-11-06 21:34:15,822 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2019-11-06 21:34:15,822 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2019-11-06 21:34:15,822 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2019-11-06 21:34:15,823 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-11-06 21:34:15,823 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2019-11-06 21:34:15,823 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2019-11-06 21:34:15,824 INFO  L130     BoogieDeclarations]: Found specification of procedure getWeight
[2019-11-06 21:34:15,824 INFO  L130     BoogieDeclarations]: Found specification of procedure getDestination
[2019-11-06 21:34:15,824 INFO  L130     BoogieDeclarations]: Found specification of procedure enterElevator
[2019-11-06 21:34:15,824 INFO  L130     BoogieDeclarations]: Found specification of procedure printState
[2019-11-06 21:34:15,824 INFO  L130     BoogieDeclarations]: Found specification of procedure isEmpty
[2019-11-06 21:34:15,825 INFO  L130     BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed
[2019-11-06 21:34:15,825 INFO  L130     BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed
[2019-11-06 21:34:15,826 INFO  L130     BoogieDeclarations]: Found specification of procedure areDoorsOpen
[2019-11-06 21:34:15,829 INFO  L130     BoogieDeclarations]: Found specification of procedure getCurrentFloorID
[2019-11-06 21:34:15,830 INFO  L130     BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base
[2019-11-06 21:34:15,830 INFO  L130     BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base
[2019-11-06 21:34:15,831 INFO  L130     BoogieDeclarations]: Found specification of procedure leaveElevator
[2019-11-06 21:34:15,838 INFO  L130     BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton
[2019-11-06 21:34:15,838 INFO  L130     BoogieDeclarations]: Found specification of procedure resetFloorButton
[2019-11-06 21:34:15,838 INFO  L130     BoogieDeclarations]: Found specification of procedure getCurrentHeading
[2019-11-06 21:34:15,839 INFO  L130     BoogieDeclarations]: Found specification of procedure anyStopRequested
[2019-11-06 21:34:15,840 INFO  L130     BoogieDeclarations]: Found specification of procedure stopRequestedInDirection
[2019-11-06 21:34:15,840 INFO  L130     BoogieDeclarations]: Found specification of procedure continueInDirection
[2019-11-06 21:34:15,840 INFO  L130     BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor
[2019-11-06 21:34:15,840 INFO  L130     BoogieDeclarations]: Found specification of procedure getReverseHeading
[2019-11-06 21:34:15,840 INFO  L130     BoogieDeclarations]: Found specification of procedure processWaitingOnFloor
[2019-11-06 21:34:15,840 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift__wrappee__weight
[2019-11-06 21:34:15,841 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2019-11-06 21:34:15,841 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2
[2019-11-06 21:34:15,841 INFO  L130     BoogieDeclarations]: Found specification of procedure printState__wrappee__weight
[2019-11-06 21:34:15,841 INFO  L130     BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection
[2019-11-06 21:34:15,841 INFO  L130     BoogieDeclarations]: Found specification of procedure spec1
[2019-11-06 21:34:15,841 INFO  L130     BoogieDeclarations]: Found specification of procedure spec14
[2019-11-06 21:34:15,841 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-11-06 21:34:15,842 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2019-11-06 21:34:15,842 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-11-06 21:34:18,510 INFO  L279             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-11-06 21:34:18,511 INFO  L284             CfgBuilder]: Removed 10 assume(true) statements.
[2019-11-06 21:34:18,513 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:34:18 BoogieIcfgContainer
[2019-11-06 21:34:18,513 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-11-06 21:34:18,514 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-11-06 21:34:18,514 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-11-06 21:34:18,518 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-11-06 21:34:18,518 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:34:14" (1/3) ...
[2019-11-06 21:34:18,519 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e12d00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:34:18, skipping insertion in model container
[2019-11-06 21:34:18,520 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:15" (2/3) ...
[2019-11-06 21:34:18,520 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e12d00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:34:18, skipping insertion in model container
[2019-11-06 21:34:18,520 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:34:18" (3/3) ...
[2019-11-06 21:34:18,522 INFO  L109   eAbstractionObserver]: Analyzing ICFG elevator_spec3_product18.cil.c
[2019-11-06 21:34:18,532 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-11-06 21:34:18,542 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-11-06 21:34:18,555 INFO  L249      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-11-06 21:34:18,597 INFO  L373      AbstractCegarLoop]: Interprodecural is true
[2019-11-06 21:34:18,597 INFO  L374      AbstractCegarLoop]: Hoare is true
[2019-11-06 21:34:18,597 INFO  L375      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-11-06 21:34:18,597 INFO  L376      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-11-06 21:34:18,597 INFO  L377      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-11-06 21:34:18,597 INFO  L378      AbstractCegarLoop]: Difference is false
[2019-11-06 21:34:18,598 INFO  L379      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-11-06 21:34:18,598 INFO  L383      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-11-06 21:34:18,643 INFO  L276                IsEmpty]: Start isEmpty. Operand 781 states.
[2019-11-06 21:34:18,667 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 94
[2019-11-06 21:34:18,668 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-06 21:34:18,669 INFO  L410         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-06 21:34:18,672 INFO  L410      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-06 21:34:18,678 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-06 21:34:18,679 INFO  L82        PathProgramCache]: Analyzing trace with hash 1366421017, now seen corresponding path program 1 times
[2019-11-06 21:34:18,689 INFO  L161   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-06 21:34:18,689 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403660649]
[2019-11-06 21:34:18,690 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-06 21:34:19,058 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:20,287 WARN  L191               SmtUtils]: Spent 966.00 ms on a formula simplification that was a NOOP. DAG size: 385
[2019-11-06 21:34:20,299 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:20,327 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:20,329 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:20,331 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:20,334 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:20,512 WARN  L191               SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 145
[2019-11-06 21:34:20,517 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:20,630 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:20,647 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:20,725 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:20,759 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:20,886 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:20,915 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:20,919 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:20,921 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:20,923 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:20,925 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:20,973 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2019-11-06 21:34:20,973 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403660649]
[2019-11-06 21:34:20,974 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-06 21:34:20,974 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2019-11-06 21:34:20,975 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508435633]
[2019-11-06 21:34:20,980 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 12 states
[2019-11-06 21:34:20,980 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-06 21:34:20,994 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2019-11-06 21:34:20,995 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132
[2019-11-06 21:34:20,996 INFO  L87              Difference]: Start difference. First operand 781 states. Second operand 12 states.
[2019-11-06 21:34:23,173 WARN  L191               SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 388
[2019-11-06 21:34:24,116 WARN  L191               SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 388
[2019-11-06 21:34:25,011 WARN  L191               SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 388
[2019-11-06 21:34:26,037 WARN  L191               SmtUtils]: Spent 871.00 ms on a formula simplification that was a NOOP. DAG size: 388
[2019-11-06 21:34:26,938 WARN  L191               SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 390
[2019-11-06 21:34:30,056 WARN  L191               SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 148
[2019-11-06 21:34:51,167 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-06 21:34:51,167 INFO  L93              Difference]: Finished difference Result 1565 states and 2725 transitions.
[2019-11-06 21:34:51,168 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2019-11-06 21:34:51,169 INFO  L78                 Accepts]: Start accepts. Automaton has 12 states. Word has length 93
[2019-11-06 21:34:51,170 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-06 21:34:51,204 INFO  L225             Difference]: With dead ends: 1565
[2019-11-06 21:34:51,205 INFO  L226             Difference]: Without dead ends: 951
[2019-11-06 21:34:51,219 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650
[2019-11-06 21:34:51,239 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 951 states.
[2019-11-06 21:34:51,494 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 620.
[2019-11-06 21:34:51,495 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 620 states.
[2019-11-06 21:34:51,503 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 991 transitions.
[2019-11-06 21:34:51,506 INFO  L78                 Accepts]: Start accepts. Automaton has 620 states and 991 transitions. Word has length 93
[2019-11-06 21:34:51,507 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-06 21:34:51,507 INFO  L462      AbstractCegarLoop]: Abstraction has 620 states and 991 transitions.
[2019-11-06 21:34:51,507 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 12 states.
[2019-11-06 21:34:51,507 INFO  L276                IsEmpty]: Start isEmpty. Operand 620 states and 991 transitions.
[2019-11-06 21:34:51,516 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 95
[2019-11-06 21:34:51,517 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-06 21:34:51,517 INFO  L410         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-06 21:34:51,518 INFO  L410      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-06 21:34:51,518 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-06 21:34:51,518 INFO  L82        PathProgramCache]: Analyzing trace with hash 1643390832, now seen corresponding path program 1 times
[2019-11-06 21:34:51,518 INFO  L161   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-06 21:34:51,519 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939193810]
[2019-11-06 21:34:51,519 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-06 21:34:51,607 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:52,488 WARN  L191               SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 385
[2019-11-06 21:34:52,498 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:52,520 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:52,521 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:52,523 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:52,524 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:52,740 WARN  L191               SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 145
[2019-11-06 21:34:52,746 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:52,884 WARN  L191               SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 106
[2019-11-06 21:34:52,888 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:52,898 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:52,905 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:52,943 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:52,974 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:52,999 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:53,003 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:53,004 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:53,006 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:53,008 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:34:53,058 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2019-11-06 21:34:53,058 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939193810]
[2019-11-06 21:34:53,059 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-06 21:34:53,059 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2019-11-06 21:34:53,060 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606846664]
[2019-11-06 21:34:53,062 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 9 states
[2019-11-06 21:34:53,062 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-06 21:34:53,063 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2019-11-06 21:34:53,063 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72
[2019-11-06 21:34:53,063 INFO  L87              Difference]: Start difference. First operand 620 states and 991 transitions. Second operand 9 states.