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_product11.cil.c


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


This is Ultimate 0.1.24-f4eb214f-m
[2019-10-13 19:22:48,677 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-10-13 19:22:48,680 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-10-13 19:22:48,700 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-10-13 19:22:48,701 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-10-13 19:22:48,703 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-10-13 19:22:48,705 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-10-13 19:22:48,714 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-10-13 19:22:48,718 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-10-13 19:22:48,721 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-10-13 19:22:48,723 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
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[2019-10-13 19:22:48,725 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-10-13 19:22:48,727 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-10-13 19:22:48,729 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-10-13 19:22:48,730 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-10-13 19:22:48,732 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-13 19:22:48,733 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-13 19:22:48,734 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-10-13 19:22:48,739 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-10-13 19:22:48,743 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-10-13 19:22:48,746 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-10-13 19:22:48,749 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-10-13 19:22:48,749 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-10-13 19:22:48,751 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-10-13 19:22:48,752 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-10-13 19:22:48,752 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-10-13 19:22:48,753 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-10-13 19:22:48,755 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
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[2019-10-13 19:22:48,756 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2019-10-13 19:22:48,758 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-10-13 19:22:48,759 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-10-13 19:22:48,760 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-10-13 19:22:48,761 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2019-10-13 19:22:48,762 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2019-10-13 19:22:48,764 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-10-13 19:22:48,764 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2019-10-13 19:22:48,797 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-10-13 19:22:48,797 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-13 19:22:48,798 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-13 19:22:48,801 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-10-13 19:22:48,801 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-10-13 19:22:48,802 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-13 19:22:48,802 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-10-13 19:22:48,802 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-10-13 19:22:48,802 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-10-13 19:22:48,802 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-10-13 19:22:48,802 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-10-13 19:22:48,803 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-13 19:22:48,803 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-10-13 19:22:48,803 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-10-13 19:22:48,803 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-10-13 19:22:48,803 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-10-13 19:22:48,804 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-10-13 19:22:48,804 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-13 19:22:48,804 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-10-13 19:22:48,805 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-10-13 19:22:48,805 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-10-13 19:22:48,806 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-13 19:22:48,806 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-13 19:22:48,806 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-10-13 19:22:48,806 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-13 19:22:48,806 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-10-13 19:22:48,807 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-13 19:22:48,807 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-13 19:22:48,807 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-10-13 19:22:49,094 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-13 19:22:49,114 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-13 19:22:49,118 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-13 19:22:49,119 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-10-13 19:22:49,120 INFO  L275        PluginConnector]: CDTParser initialized
[2019-10-13 19:22:49,120 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product11.cil.c
[2019-10-13 19:22:49,194 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c320e529/8d282614f6e1410fbcb7b6858ce2faf2/FLAGff96c40e4
[2019-10-13 19:22:49,845 INFO  L306              CDTParser]: Found 1 translation units.
[2019-10-13 19:22:49,845 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product11.cil.c
[2019-10-13 19:22:49,868 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c320e529/8d282614f6e1410fbcb7b6858ce2faf2/FLAGff96c40e4
[2019-10-13 19:22:50,038 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c320e529/8d282614f6e1410fbcb7b6858ce2faf2
[2019-10-13 19:22:50,048 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-13 19:22:50,050 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-13 19:22:50,051 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-13 19:22:50,051 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-13 19:22:50,054 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-13 19:22:50,055 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:22:50" (1/1) ...
[2019-10-13 19:22:50,057 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59ef2688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:50, skipping insertion in model container
[2019-10-13 19:22:50,057 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:22:50" (1/1) ...
[2019-10-13 19:22:50,065 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-10-13 19:22:50,143 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-10-13 19:22:50,885 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-13 19:22:50,903 INFO  L188         MainTranslator]: Completed pre-run
[2019-10-13 19:22:51,051 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-13 19:22:51,111 INFO  L192         MainTranslator]: Completed translation
[2019-10-13 19:22:51,112 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:51 WrapperNode
[2019-10-13 19:22:51,112 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-13 19:22:51,113 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-13 19:22:51,113 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-13 19:22:51,113 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-10-13 19:22:51,127 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:51" (1/1) ...
[2019-10-13 19:22:51,127 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:51" (1/1) ...
[2019-10-13 19:22:51,158 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:51" (1/1) ...
[2019-10-13 19:22:51,158 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:51" (1/1) ...
[2019-10-13 19:22:51,221 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:51" (1/1) ...
[2019-10-13 19:22:51,258 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:51" (1/1) ...
[2019-10-13 19:22:51,270 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:51" (1/1) ...
[2019-10-13 19:22:51,289 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-13 19:22:51,289 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-13 19:22:51,290 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-10-13 19:22:51,290 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-10-13 19:22:51,294 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:51" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-13 19:22:51,374 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-13 19:22:51,375 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-13 19:22:51,375 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2019-10-13 19:22:51,375 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2019-10-13 19:22:51,375 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2019-10-13 19:22:51,376 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2019-10-13 19:22:51,376 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2019-10-13 19:22:51,376 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2019-10-13 19:22:51,376 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2019-10-13 19:22:51,377 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2019-10-13 19:22:51,377 INFO  L138     BoogieDeclarations]: Found implementation of procedure spec1
[2019-10-13 19:22:51,377 INFO  L138     BoogieDeclarations]: Found implementation of procedure spec14
[2019-10-13 19:22:51,377 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWeight
[2019-10-13 19:22:51,378 INFO  L138     BoogieDeclarations]: Found implementation of procedure getOrigin
[2019-10-13 19:22:51,378 INFO  L138     BoogieDeclarations]: Found implementation of procedure getDestination
[2019-10-13 19:22:51,378 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2019-10-13 19:22:51,378 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2
[2019-10-13 19:22:51,379 INFO  L138     BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07
[2019-10-13 19:22:51,379 INFO  L138     BoogieDeclarations]: Found implementation of procedure bobCall
[2019-10-13 19:22:51,379 INFO  L138     BoogieDeclarations]: Found implementation of procedure aliceCall
[2019-10-13 19:22:51,379 INFO  L138     BoogieDeclarations]: Found implementation of procedure angelinaCall
[2019-10-13 19:22:51,381 INFO  L138     BoogieDeclarations]: Found implementation of procedure chuckCall
[2019-10-13 19:22:51,381 INFO  L138     BoogieDeclarations]: Found implementation of procedure monicaCall
[2019-10-13 19:22:51,381 INFO  L138     BoogieDeclarations]: Found implementation of procedure bigMacCall
[2019-10-13 19:22:51,381 INFO  L138     BoogieDeclarations]: Found implementation of procedure threeTS
[2019-10-13 19:22:51,382 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2019-10-13 19:22:51,382 INFO  L138     BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions
[2019-10-13 19:22:51,382 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest_Simple
[2019-10-13 19:22:51,382 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification1
[2019-10-13 19:22:51,382 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2019-10-13 19:22:51,382 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification3
[2019-10-13 19:22:51,383 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2019-10-13 19:22:51,383 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2019-10-13 19:22:51,383 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-10-13 19:22:51,383 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2019-10-13 19:22:51,383 INFO  L138     BoogieDeclarations]: Found implementation of procedure initTopDown
[2019-10-13 19:22:51,383 INFO  L138     BoogieDeclarations]: Found implementation of procedure initBottomUp
[2019-10-13 19:22:51,384 INFO  L138     BoogieDeclarations]: Found implementation of procedure isBlocked
[2019-10-13 19:22:51,384 INFO  L138     BoogieDeclarations]: Found implementation of procedure enterElevator
[2019-10-13 19:22:51,384 INFO  L138     BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base
[2019-10-13 19:22:51,384 INFO  L138     BoogieDeclarations]: Found implementation of procedure leaveElevator
[2019-10-13 19:22:51,385 INFO  L138     BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton
[2019-10-13 19:22:51,385 INFO  L138     BoogieDeclarations]: Found implementation of procedure resetFloorButton
[2019-10-13 19:22:51,385 INFO  L138     BoogieDeclarations]: Found implementation of procedure getCurrentFloorID
[2019-10-13 19:22:51,386 INFO  L138     BoogieDeclarations]: Found implementation of procedure areDoorsOpen
[2019-10-13 19:22:51,386 INFO  L138     BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed
[2019-10-13 19:22:51,386 INFO  L138     BoogieDeclarations]: Found implementation of procedure getCurrentHeading
[2019-10-13 19:22:51,386 INFO  L138     BoogieDeclarations]: Found implementation of procedure isEmpty
[2019-10-13 19:22:51,386 INFO  L138     BoogieDeclarations]: Found implementation of procedure anyStopRequested
[2019-10-13 19:22:51,387 INFO  L138     BoogieDeclarations]: Found implementation of procedure isIdle
[2019-10-13 19:22:51,387 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty
[2019-10-13 19:22:51,387 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection
[2019-10-13 19:22:51,387 INFO  L138     BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed
[2019-10-13 19:22:51,387 INFO  L138     BoogieDeclarations]: Found implementation of procedure continueInDirection
[2019-10-13 19:22:51,387 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty
[2019-10-13 19:22:51,388 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor
[2019-10-13 19:22:51,388 INFO  L138     BoogieDeclarations]: Found implementation of procedure getReverseHeading
[2019-10-13 19:22:51,388 INFO  L138     BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor
[2019-10-13 19:22:51,388 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2019-10-13 19:22:51,388 INFO  L138     BoogieDeclarations]: Found implementation of procedure printState
[2019-10-13 19:22:51,388 INFO  L138     BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection
[2019-10-13 19:22:51,389 INFO  L138     BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling
[2019-10-13 19:22:51,389 INFO  L138     BoogieDeclarations]: Found implementation of procedure isExecutiveFloor
[2019-10-13 19:22:51,389 INFO  L138     BoogieDeclarations]: Found implementation of procedure initFloors
[2019-10-13 19:22:51,389 INFO  L138     BoogieDeclarations]: Found implementation of procedure isFloorCalling
[2019-10-13 19:22:51,389 INFO  L138     BoogieDeclarations]: Found implementation of procedure resetCallOnFloor
[2019-10-13 19:22:51,390 INFO  L138     BoogieDeclarations]: Found implementation of procedure callOnFloor
[2019-10-13 19:22:51,390 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPersonOnFloor
[2019-10-13 19:22:51,390 INFO  L138     BoogieDeclarations]: Found implementation of procedure initPersonOnFloor
[2019-10-13 19:22:51,390 INFO  L138     BoogieDeclarations]: Found implementation of procedure removePersonFromFloor
[2019-10-13 19:22:51,391 INFO  L138     BoogieDeclarations]: Found implementation of procedure isTopFloor
[2019-10-13 19:22:51,391 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2019-10-13 19:22:51,391 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2019-10-13 19:22:51,391 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2019-10-13 19:22:51,392 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2019-10-13 19:22:51,392 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-13 19:22:51,392 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-10-13 19:22:51,393 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2019-10-13 19:22:51,393 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2019-10-13 19:22:51,393 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2019-10-13 19:22:51,394 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2019-10-13 19:22:51,394 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2019-10-13 19:22:51,394 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-10-13 19:22:51,395 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-10-13 19:22:51,395 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-10-13 19:22:51,395 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-10-13 19:22:51,395 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2019-10-13 19:22:51,396 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-10-13 19:22:51,396 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2019-10-13 19:22:51,396 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2019-10-13 19:22:51,397 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-10-13 19:22:51,397 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2019-10-13 19:22:51,397 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2019-10-13 19:22:51,398 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-10-13 19:22:51,398 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2019-10-13 19:22:51,398 INFO  L130     BoogieDeclarations]: Found specification of procedure getOrigin
[2019-10-13 19:22:51,398 INFO  L130     BoogieDeclarations]: Found specification of procedure initPersonOnFloor
[2019-10-13 19:22:51,398 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2019-10-13 19:22:51,398 INFO  L130     BoogieDeclarations]: Found specification of procedure isBlocked
[2019-10-13 19:22:51,399 INFO  L130     BoogieDeclarations]: Found specification of procedure printState
[2019-10-13 19:22:51,399 INFO  L130     BoogieDeclarations]: Found specification of procedure initTopDown
[2019-10-13 19:22:51,399 INFO  L130     BoogieDeclarations]: Found specification of procedure initBottomUp
[2019-10-13 19:22:51,399 INFO  L130     BoogieDeclarations]: Found specification of procedure spec1
[2019-10-13 19:22:51,399 INFO  L130     BoogieDeclarations]: Found specification of procedure spec14
[2019-10-13 19:22:51,399 INFO  L130     BoogieDeclarations]: Found specification of procedure getWeight
[2019-10-13 19:22:51,400 INFO  L130     BoogieDeclarations]: Found specification of procedure getDestination
[2019-10-13 19:22:51,400 INFO  L130     BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed
[2019-10-13 19:22:51,400 INFO  L130     BoogieDeclarations]: Found specification of procedure getCurrentFloorID
[2019-10-13 19:22:51,400 INFO  L130     BoogieDeclarations]: Found specification of procedure getCurrentHeading
[2019-10-13 19:22:51,400 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2019-10-13 19:22:51,401 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2
[2019-10-13 19:22:51,401 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2019-10-13 19:22:51,401 INFO  L130     BoogieDeclarations]: Found specification of procedure get_nondetMinMax07
[2019-10-13 19:22:51,401 INFO  L130     BoogieDeclarations]: Found specification of procedure bobCall
[2019-10-13 19:22:51,401 INFO  L130     BoogieDeclarations]: Found specification of procedure aliceCall
[2019-10-13 19:22:51,401 INFO  L130     BoogieDeclarations]: Found specification of procedure angelinaCall
[2019-10-13 19:22:51,401 INFO  L130     BoogieDeclarations]: Found specification of procedure chuckCall
[2019-10-13 19:22:51,402 INFO  L130     BoogieDeclarations]: Found specification of procedure monicaCall
[2019-10-13 19:22:51,402 INFO  L130     BoogieDeclarations]: Found specification of procedure bigMacCall
[2019-10-13 19:22:51,402 INFO  L130     BoogieDeclarations]: Found specification of procedure threeTS
[2019-10-13 19:22:51,403 INFO  L130     BoogieDeclarations]: Found specification of procedure isIdle
[2019-10-13 19:22:51,403 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2019-10-13 19:22:51,403 INFO  L130     BoogieDeclarations]: Found specification of procedure randomSequenceOfActions
[2019-10-13 19:22:51,404 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest_Simple
[2019-10-13 19:22:51,405 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification1
[2019-10-13 19:22:51,405 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2019-10-13 19:22:51,405 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification3
[2019-10-13 19:22:51,405 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2019-10-13 19:22:51,406 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2019-10-13 19:22:51,406 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2019-10-13 19:22:51,406 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2019-10-13 19:22:51,406 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2019-10-13 19:22:51,407 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2019-10-13 19:22:51,407 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-10-13 19:22:51,407 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2019-10-13 19:22:51,407 INFO  L130     BoogieDeclarations]: Found specification of procedure enterElevator
[2019-10-13 19:22:51,408 INFO  L130     BoogieDeclarations]: Found specification of procedure isFloorCalling
[2019-10-13 19:22:51,408 INFO  L130     BoogieDeclarations]: Found specification of procedure resetCallOnFloor
[2019-10-13 19:22:51,408 INFO  L130     BoogieDeclarations]: Found specification of procedure isPersonOnFloor
[2019-10-13 19:22:51,409 INFO  L130     BoogieDeclarations]: Found specification of procedure removePersonFromFloor
[2019-10-13 19:22:51,412 INFO  L130     BoogieDeclarations]: Found specification of procedure isTopFloor
[2019-10-13 19:22:51,412 INFO  L130     BoogieDeclarations]: Found specification of procedure initFloors
[2019-10-13 19:22:51,412 INFO  L130     BoogieDeclarations]: Found specification of procedure isEmpty
[2019-10-13 19:22:51,413 INFO  L130     BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed
[2019-10-13 19:22:51,419 INFO  L130     BoogieDeclarations]: Found specification of procedure areDoorsOpen
[2019-10-13 19:22:51,419 INFO  L130     BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling
[2019-10-13 19:22:51,419 INFO  L130     BoogieDeclarations]: Found specification of procedure isExecutiveFloor
[2019-10-13 19:22:51,420 INFO  L130     BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base
[2019-10-13 19:22:51,420 INFO  L130     BoogieDeclarations]: Found specification of procedure leaveElevator
[2019-10-13 19:22:51,420 INFO  L130     BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton
[2019-10-13 19:22:51,420 INFO  L130     BoogieDeclarations]: Found specification of procedure resetFloorButton
[2019-10-13 19:22:51,420 INFO  L130     BoogieDeclarations]: Found specification of procedure anyStopRequested
[2019-10-13 19:22:51,420 INFO  L130     BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty
[2019-10-13 19:22:51,420 INFO  L130     BoogieDeclarations]: Found specification of procedure stopRequestedInDirection
[2019-10-13 19:22:51,421 INFO  L130     BoogieDeclarations]: Found specification of procedure continueInDirection
[2019-10-13 19:22:51,421 INFO  L130     BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty
[2019-10-13 19:22:51,421 INFO  L130     BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor
[2019-10-13 19:22:51,421 INFO  L130     BoogieDeclarations]: Found specification of procedure getReverseHeading
[2019-10-13 19:22:51,422 INFO  L130     BoogieDeclarations]: Found specification of procedure processWaitingOnFloor
[2019-10-13 19:22:51,422 INFO  L130     BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection
[2019-10-13 19:22:51,422 INFO  L130     BoogieDeclarations]: Found specification of procedure callOnFloor
[2019-10-13 19:22:51,422 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2019-10-13 19:22:51,422 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-13 19:22:51,422 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2019-10-13 19:22:51,422 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-13 19:22:54,038 INFO  L279             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-13 19:22:54,038 INFO  L284             CfgBuilder]: Removed 10 assume(true) statements.
[2019-10-13 19:22:54,041 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:22:54 BoogieIcfgContainer
[2019-10-13 19:22:54,041 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-13 19:22:54,043 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-10-13 19:22:54,043 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-10-13 19:22:54,047 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-10-13 19:22:54,047 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:22:50" (1/3) ...
[2019-10-13 19:22:54,048 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5071cdbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:22:54, skipping insertion in model container
[2019-10-13 19:22:54,049 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:22:51" (2/3) ...
[2019-10-13 19:22:54,049 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5071cdbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:22:54, skipping insertion in model container
[2019-10-13 19:22:54,049 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:22:54" (3/3) ...
[2019-10-13 19:22:54,052 INFO  L109   eAbstractionObserver]: Analyzing ICFG elevator_spec3_product11.cil.c
[2019-10-13 19:22:54,062 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-10-13 19:22:54,073 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-10-13 19:22:54,085 INFO  L249      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-10-13 19:22:54,126 INFO  L373      AbstractCegarLoop]: Interprodecural is true
[2019-10-13 19:22:54,126 INFO  L374      AbstractCegarLoop]: Hoare is true
[2019-10-13 19:22:54,127 INFO  L375      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-10-13 19:22:54,127 INFO  L376      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-10-13 19:22:54,127 INFO  L377      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-10-13 19:22:54,127 INFO  L378      AbstractCegarLoop]: Difference is false
[2019-10-13 19:22:54,127 INFO  L379      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-10-13 19:22:54,127 INFO  L383      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-10-13 19:22:54,171 INFO  L276                IsEmpty]: Start isEmpty. Operand 785 states.
[2019-10-13 19:22:54,201 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 142
[2019-10-13 19:22:54,201 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 19:22:54,203 INFO  L380         BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 19:22:54,205 INFO  L410      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 19:22:54,212 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 19:22:54,212 INFO  L82        PathProgramCache]: Analyzing trace with hash 1989495119, now seen corresponding path program 1 times
[2019-10-13 19:22:54,221 INFO  L157   tionRefinementEngine]: Executing refinement strategy CAMEL
[2019-10-13 19:22:54,222 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824784797]
[2019-10-13 19:22:54,222 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:22:54,222 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:22:54,223 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 19:22:54,566 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:22:55,868 WARN  L191               SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 373
[2019-10-13 19:22:55,880 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:22:55,910 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:22:55,912 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:22:55,914 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:22:55,917 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:22:56,098 WARN  L191               SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 145
[2019-10-13 19:22:56,109 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:22:56,240 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:22:56,257 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:22:56,302 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:22:56,327 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:22:56,484 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:22:56,514 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:22:56,519 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:22:56,521 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:22:56,526 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:22:56,531 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:22:56,534 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:22:56,536 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:22:56,543 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:22:56,549 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:22:56,552 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:22:56,554 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:22:56,586 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:22:56,592 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:22:56,714 INFO  L134       CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2019-10-13 19:22:56,715 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824784797]
[2019-10-13 19:22:56,716 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 19:22:56,716 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13
[2019-10-13 19:22:56,716 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390687229]
[2019-10-13 19:22:56,721 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 13 states
[2019-10-13 19:22:56,722 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-10-13 19:22:56,736 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2019-10-13 19:22:56,737 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156
[2019-10-13 19:22:56,740 INFO  L87              Difference]: Start difference. First operand 785 states. Second operand 13 states.
[2019-10-13 19:22:58,365 WARN  L191               SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 109
[2019-10-13 19:22:59,367 WARN  L191               SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 376
[2019-10-13 19:23:00,273 WARN  L191               SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 376
[2019-10-13 19:23:01,132 WARN  L191               SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 376
[2019-10-13 19:23:02,037 WARN  L191               SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 376
[2019-10-13 19:23:02,902 WARN  L191               SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 378
[2019-10-13 19:23:06,628 WARN  L191               SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 115
[2019-10-13 19:23:08,701 WARN  L191               SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 112
[2019-10-13 19:23:26,208 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 19:23:26,209 INFO  L93              Difference]: Finished difference Result 1575 states and 2758 transitions.
[2019-10-13 19:23:26,209 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. 
[2019-10-13 19:23:26,211 INFO  L78                 Accepts]: Start accepts. Automaton has 13 states. Word has length 141
[2019-10-13 19:23:26,212 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 19:23:26,250 INFO  L225             Difference]: With dead ends: 1575
[2019-10-13 19:23:26,251 INFO  L226             Difference]: Without dead ends: 944
[2019-10-13 19:23:26,263 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=215, Invalid=655, Unknown=0, NotChecked=0, Total=870
[2019-10-13 19:23:26,282 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 944 states.
[2019-10-13 19:23:26,531 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 631.
[2019-10-13 19:23:26,532 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 631 states.
[2019-10-13 19:23:26,539 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 1007 transitions.
[2019-10-13 19:23:26,541 INFO  L78                 Accepts]: Start accepts. Automaton has 631 states and 1007 transitions. Word has length 141
[2019-10-13 19:23:26,542 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-13 19:23:26,542 INFO  L462      AbstractCegarLoop]: Abstraction has 631 states and 1007 transitions.
[2019-10-13 19:23:26,542 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 13 states.
[2019-10-13 19:23:26,543 INFO  L276                IsEmpty]: Start isEmpty. Operand 631 states and 1007 transitions.
[2019-10-13 19:23:26,551 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 143
[2019-10-13 19:23:26,551 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 19:23:26,551 INFO  L380         BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 19:23:26,552 INFO  L410      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 19:23:26,552 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 19:23:26,552 INFO  L82        PathProgramCache]: Analyzing trace with hash 1567093572, now seen corresponding path program 1 times
[2019-10-13 19:23:26,552 INFO  L157   tionRefinementEngine]: Executing refinement strategy CAMEL
[2019-10-13 19:23:26,553 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462788101]
[2019-10-13 19:23:26,553 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:23:26,553 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:23:26,553 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 19:23:26,616 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:27,520 WARN  L191               SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 373
[2019-10-13 19:23:27,530 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:27,547 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:27,549 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:27,550 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:27,551 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:27,717 WARN  L191               SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 145
[2019-10-13 19:23:27,722 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:27,844 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:27,854 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:27,860 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:27,891 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:27,917 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:27,938 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:27,941 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:27,942 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:27,945 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:27,949 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:27,951 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:27,952 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:27,957 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:27,961 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:27,963 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:27,964 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:27,987 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:27,989 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:28,051 INFO  L134       CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2019-10-13 19:23:28,051 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462788101]
[2019-10-13 19:23:28,052 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 19:23:28,052 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2019-10-13 19:23:28,052 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429168781]
[2019-10-13 19:23:28,065 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 10 states
[2019-10-13 19:23:28,065 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-10-13 19:23:28,070 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2019-10-13 19:23:28,071 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90
[2019-10-13 19:23:28,071 INFO  L87              Difference]: Start difference. First operand 631 states and 1007 transitions. Second operand 10 states.