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_product30.cil.c


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


This is Ultimate 0.1.24-f4eb214f-m
[2019-10-13 19:23:33,175 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-10-13 19:23:33,177 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-10-13 19:23:33,195 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-10-13 19:23:33,195 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-10-13 19:23:33,197 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-10-13 19:23:33,199 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-10-13 19:23:33,211 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-10-13 19:23:33,213 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-10-13 19:23:33,216 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-10-13 19:23:33,218 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-10-13 19:23:33,219 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-10-13 19:23:33,219 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-10-13 19:23:33,220 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-10-13 19:23:33,221 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-10-13 19:23:33,224 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-10-13 19:23:33,226 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-13 19:23:33,227 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-13 19:23:33,228 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-10-13 19:23:33,233 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-10-13 19:23:33,238 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-10-13 19:23:33,239 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-10-13 19:23:33,240 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-10-13 19:23:33,240 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-10-13 19:23:33,242 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-10-13 19:23:33,242 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-10-13 19:23:33,242 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-10-13 19:23:33,243 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-10-13 19:23:33,244 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-10-13 19:23:33,245 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-10-13 19:23:33,245 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2019-10-13 19:23:33,246 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-10-13 19:23:33,247 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-10-13 19:23:33,248 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-10-13 19:23:33,248 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2019-10-13 19:23:33,249 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2019-10-13 19:23:33,250 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-10-13 19:23:33,251 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 19:23:33,265 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-10-13 19:23:33,265 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-13 19:23:33,266 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-13 19:23:33,266 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-10-13 19:23:33,266 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-10-13 19:23:33,267 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-13 19:23:33,267 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-10-13 19:23:33,267 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-10-13 19:23:33,267 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-10-13 19:23:33,267 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-10-13 19:23:33,268 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-10-13 19:23:33,268 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-13 19:23:33,268 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-10-13 19:23:33,268 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-10-13 19:23:33,268 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-10-13 19:23:33,269 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-10-13 19:23:33,269 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-10-13 19:23:33,269 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-13 19:23:33,269 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-10-13 19:23:33,269 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-10-13 19:23:33,270 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-10-13 19:23:33,270 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-13 19:23:33,270 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-13 19:23:33,270 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-10-13 19:23:33,270 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-13 19:23:33,271 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-10-13 19:23:33,271 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-13 19:23:33,271 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-13 19:23:33,271 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-10-13 19:23:33,542 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-13 19:23:33,554 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-13 19:23:33,561 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-13 19:23:33,562 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-10-13 19:23:33,563 INFO  L275        PluginConnector]: CDTParser initialized
[2019-10-13 19:23:33,563 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product30.cil.c
[2019-10-13 19:23:33,641 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abfc83018/fc1d4378bce846cb846fc90b4765ba41/FLAG759efb4e6
[2019-10-13 19:23:34,284 INFO  L306              CDTParser]: Found 1 translation units.
[2019-10-13 19:23:34,285 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product30.cil.c
[2019-10-13 19:23:34,308 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abfc83018/fc1d4378bce846cb846fc90b4765ba41/FLAG759efb4e6
[2019-10-13 19:23:34,442 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abfc83018/fc1d4378bce846cb846fc90b4765ba41
[2019-10-13 19:23:34,452 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-13 19:23:34,454 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-13 19:23:34,455 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-13 19:23:34,455 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-13 19:23:34,459 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-13 19:23:34,460 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:34" (1/1) ...
[2019-10-13 19:23:34,463 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a425a91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:34, skipping insertion in model container
[2019-10-13 19:23:34,463 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:34" (1/1) ...
[2019-10-13 19:23:34,471 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-10-13 19:23:34,545 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-10-13 19:23:35,338 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-13 19:23:35,355 INFO  L188         MainTranslator]: Completed pre-run
[2019-10-13 19:23:35,523 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-13 19:23:35,652 INFO  L192         MainTranslator]: Completed translation
[2019-10-13 19:23:35,653 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:35 WrapperNode
[2019-10-13 19:23:35,654 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-13 19:23:35,655 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-13 19:23:35,655 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-13 19:23:35,656 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-10-13 19:23:35,678 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:35" (1/1) ...
[2019-10-13 19:23:35,678 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:35" (1/1) ...
[2019-10-13 19:23:35,750 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:35" (1/1) ...
[2019-10-13 19:23:35,750 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:35" (1/1) ...
[2019-10-13 19:23:35,834 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:35" (1/1) ...
[2019-10-13 19:23:35,862 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:35" (1/1) ...
[2019-10-13 19:23:35,873 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:35" (1/1) ...
[2019-10-13 19:23:35,889 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-13 19:23:35,889 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-13 19:23:35,890 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-10-13 19:23:35,890 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-10-13 19:23:35,891 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:35" (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 19:23:35,965 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-13 19:23:35,965 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-13 19:23:35,965 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2019-10-13 19:23:35,966 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWeight
[2019-10-13 19:23:35,966 INFO  L138     BoogieDeclarations]: Found implementation of procedure getOrigin
[2019-10-13 19:23:35,966 INFO  L138     BoogieDeclarations]: Found implementation of procedure getDestination
[2019-10-13 19:23:35,966 INFO  L138     BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07
[2019-10-13 19:23:35,966 INFO  L138     BoogieDeclarations]: Found implementation of procedure bobCall
[2019-10-13 19:23:35,967 INFO  L138     BoogieDeclarations]: Found implementation of procedure aliceCall
[2019-10-13 19:23:35,967 INFO  L138     BoogieDeclarations]: Found implementation of procedure angelinaCall
[2019-10-13 19:23:35,967 INFO  L138     BoogieDeclarations]: Found implementation of procedure chuckCall
[2019-10-13 19:23:35,967 INFO  L138     BoogieDeclarations]: Found implementation of procedure monicaCall
[2019-10-13 19:23:35,967 INFO  L138     BoogieDeclarations]: Found implementation of procedure bigMacCall
[2019-10-13 19:23:35,968 INFO  L138     BoogieDeclarations]: Found implementation of procedure threeTS
[2019-10-13 19:23:35,968 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2019-10-13 19:23:35,968 INFO  L138     BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions
[2019-10-13 19:23:35,968 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest_Simple
[2019-10-13 19:23:35,969 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification1
[2019-10-13 19:23:35,969 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2019-10-13 19:23:35,969 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification3
[2019-10-13 19:23:35,969 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2019-10-13 19:23:35,970 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2019-10-13 19:23:35,970 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-10-13 19:23:35,970 INFO  L138     BoogieDeclarations]: Found implementation of procedure spec1
[2019-10-13 19:23:35,970 INFO  L138     BoogieDeclarations]: Found implementation of procedure spec14
[2019-10-13 19:23:35,970 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2019-10-13 19:23:35,971 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2
[2019-10-13 19:23:35,971 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2019-10-13 19:23:35,971 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2019-10-13 19:23:35,971 INFO  L138     BoogieDeclarations]: Found implementation of procedure initTopDown
[2019-10-13 19:23:35,971 INFO  L138     BoogieDeclarations]: Found implementation of procedure initBottomUp
[2019-10-13 19:23:35,972 INFO  L138     BoogieDeclarations]: Found implementation of procedure isBlocked
[2019-10-13 19:23:35,972 INFO  L138     BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base
[2019-10-13 19:23:35,972 INFO  L138     BoogieDeclarations]: Found implementation of procedure enterElevator
[2019-10-13 19:23:35,972 INFO  L138     BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base
[2019-10-13 19:23:35,972 INFO  L138     BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight
[2019-10-13 19:23:35,973 INFO  L138     BoogieDeclarations]: Found implementation of procedure leaveElevator
[2019-10-13 19:23:35,973 INFO  L138     BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton
[2019-10-13 19:23:35,973 INFO  L138     BoogieDeclarations]: Found implementation of procedure resetFloorButton
[2019-10-13 19:23:35,973 INFO  L138     BoogieDeclarations]: Found implementation of procedure getCurrentFloorID
[2019-10-13 19:23:35,973 INFO  L138     BoogieDeclarations]: Found implementation of procedure areDoorsOpen
[2019-10-13 19:23:35,973 INFO  L138     BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed
[2019-10-13 19:23:35,974 INFO  L138     BoogieDeclarations]: Found implementation of procedure getCurrentHeading
[2019-10-13 19:23:35,974 INFO  L138     BoogieDeclarations]: Found implementation of procedure isEmpty
[2019-10-13 19:23:35,974 INFO  L138     BoogieDeclarations]: Found implementation of procedure anyStopRequested
[2019-10-13 19:23:35,974 INFO  L138     BoogieDeclarations]: Found implementation of procedure isIdle
[2019-10-13 19:23:35,974 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty
[2019-10-13 19:23:35,975 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection
[2019-10-13 19:23:35,975 INFO  L138     BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed
[2019-10-13 19:23:35,975 INFO  L138     BoogieDeclarations]: Found implementation of procedure continueInDirection
[2019-10-13 19:23:35,975 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty
[2019-10-13 19:23:35,975 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor
[2019-10-13 19:23:35,975 INFO  L138     BoogieDeclarations]: Found implementation of procedure getReverseHeading
[2019-10-13 19:23:35,976 INFO  L138     BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor
[2019-10-13 19:23:35,976 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__twothirdsfull
[2019-10-13 19:23:35,976 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2019-10-13 19:23:35,976 INFO  L138     BoogieDeclarations]: Found implementation of procedure printState__wrappee__twothirdsfull
[2019-10-13 19:23:35,976 INFO  L138     BoogieDeclarations]: Found implementation of procedure printState
[2019-10-13 19:23:35,977 INFO  L138     BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection
[2019-10-13 19:23:35,977 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2019-10-13 19:23:35,977 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2019-10-13 19:23:35,977 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2019-10-13 19:23:35,977 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2019-10-13 19:23:35,977 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2019-10-13 19:23:35,978 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2019-10-13 19:23:35,978 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2019-10-13 19:23:35,978 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2019-10-13 19:23:35,978 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2019-10-13 19:23:35,978 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2019-10-13 19:23:35,979 INFO  L138     BoogieDeclarations]: Found implementation of procedure initFloors
[2019-10-13 19:23:35,979 INFO  L138     BoogieDeclarations]: Found implementation of procedure isFloorCalling
[2019-10-13 19:23:35,979 INFO  L138     BoogieDeclarations]: Found implementation of procedure resetCallOnFloor
[2019-10-13 19:23:35,979 INFO  L138     BoogieDeclarations]: Found implementation of procedure callOnFloor
[2019-10-13 19:23:35,979 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPersonOnFloor
[2019-10-13 19:23:35,980 INFO  L138     BoogieDeclarations]: Found implementation of procedure initPersonOnFloor
[2019-10-13 19:23:35,980 INFO  L138     BoogieDeclarations]: Found implementation of procedure removePersonFromFloor
[2019-10-13 19:23:35,980 INFO  L138     BoogieDeclarations]: Found implementation of procedure isTopFloor
[2019-10-13 19:23:35,980 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-13 19:23:35,980 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-10-13 19:23:35,981 INFO  L130     BoogieDeclarations]: Found specification of procedure getWeight
[2019-10-13 19:23:35,981 INFO  L130     BoogieDeclarations]: Found specification of procedure getOrigin
[2019-10-13 19:23:35,981 INFO  L130     BoogieDeclarations]: Found specification of procedure getDestination
[2019-10-13 19:23:35,981 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2019-10-13 19:23:35,981 INFO  L130     BoogieDeclarations]: Found specification of procedure get_nondetMinMax07
[2019-10-13 19:23:35,982 INFO  L130     BoogieDeclarations]: Found specification of procedure initPersonOnFloor
[2019-10-13 19:23:35,982 INFO  L130     BoogieDeclarations]: Found specification of procedure bobCall
[2019-10-13 19:23:35,982 INFO  L130     BoogieDeclarations]: Found specification of procedure aliceCall
[2019-10-13 19:23:35,982 INFO  L130     BoogieDeclarations]: Found specification of procedure angelinaCall
[2019-10-13 19:23:35,982 INFO  L130     BoogieDeclarations]: Found specification of procedure chuckCall
[2019-10-13 19:23:35,983 INFO  L130     BoogieDeclarations]: Found specification of procedure monicaCall
[2019-10-13 19:23:35,983 INFO  L130     BoogieDeclarations]: Found specification of procedure bigMacCall
[2019-10-13 19:23:35,983 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2019-10-13 19:23:35,983 INFO  L130     BoogieDeclarations]: Found specification of procedure threeTS
[2019-10-13 19:23:35,983 INFO  L130     BoogieDeclarations]: Found specification of procedure isIdle
[2019-10-13 19:23:35,984 INFO  L130     BoogieDeclarations]: Found specification of procedure isBlocked
[2019-10-13 19:23:35,984 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2019-10-13 19:23:35,984 INFO  L130     BoogieDeclarations]: Found specification of procedure initTopDown
[2019-10-13 19:23:35,984 INFO  L130     BoogieDeclarations]: Found specification of procedure initBottomUp
[2019-10-13 19:23:35,984 INFO  L130     BoogieDeclarations]: Found specification of procedure randomSequenceOfActions
[2019-10-13 19:23:35,984 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest_Simple
[2019-10-13 19:23:35,985 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification1
[2019-10-13 19:23:35,985 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2019-10-13 19:23:35,985 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification3
[2019-10-13 19:23:35,985 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2019-10-13 19:23:35,985 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2019-10-13 19:23:35,986 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2019-10-13 19:23:35,986 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2019-10-13 19:23:35,986 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2019-10-13 19:23:35,986 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2019-10-13 19:23:35,986 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-10-13 19:23:35,987 INFO  L130     BoogieDeclarations]: Found specification of procedure printState
[2019-10-13 19:23:35,987 INFO  L130     BoogieDeclarations]: Found specification of procedure spec1
[2019-10-13 19:23:35,987 INFO  L130     BoogieDeclarations]: Found specification of procedure spec14
[2019-10-13 19:23:35,987 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2019-10-13 19:23:35,987 INFO  L130     BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed
[2019-10-13 19:23:35,987 INFO  L130     BoogieDeclarations]: Found specification of procedure getCurrentFloorID
[2019-10-13 19:23:35,988 INFO  L130     BoogieDeclarations]: Found specification of procedure getCurrentHeading
[2019-10-13 19:23:35,988 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2019-10-13 19:23:35,988 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2
[2019-10-13 19:23:35,988 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2019-10-13 19:23:35,988 INFO  L130     BoogieDeclarations]: Found specification of procedure enterElevator
[2019-10-13 19:23:35,989 INFO  L130     BoogieDeclarations]: Found specification of procedure isFloorCalling
[2019-10-13 19:23:35,989 INFO  L130     BoogieDeclarations]: Found specification of procedure resetCallOnFloor
[2019-10-13 19:23:35,989 INFO  L130     BoogieDeclarations]: Found specification of procedure isPersonOnFloor
[2019-10-13 19:23:35,989 INFO  L130     BoogieDeclarations]: Found specification of procedure removePersonFromFloor
[2019-10-13 19:23:35,989 INFO  L130     BoogieDeclarations]: Found specification of procedure isTopFloor
[2019-10-13 19:23:35,989 INFO  L130     BoogieDeclarations]: Found specification of procedure initFloors
[2019-10-13 19:23:35,990 INFO  L130     BoogieDeclarations]: Found specification of procedure isEmpty
[2019-10-13 19:23:35,990 INFO  L130     BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed
[2019-10-13 19:23:35,990 INFO  L130     BoogieDeclarations]: Found specification of procedure areDoorsOpen
[2019-10-13 19:23:35,990 INFO  L130     BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base
[2019-10-13 19:23:35,990 INFO  L130     BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base
[2019-10-13 19:23:35,991 INFO  L130     BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight
[2019-10-13 19:23:35,991 INFO  L130     BoogieDeclarations]: Found specification of procedure leaveElevator
[2019-10-13 19:23:35,991 INFO  L130     BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton
[2019-10-13 19:23:35,991 INFO  L130     BoogieDeclarations]: Found specification of procedure resetFloorButton
[2019-10-13 19:23:35,991 INFO  L130     BoogieDeclarations]: Found specification of procedure anyStopRequested
[2019-10-13 19:23:35,991 INFO  L130     BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty
[2019-10-13 19:23:35,992 INFO  L130     BoogieDeclarations]: Found specification of procedure stopRequestedInDirection
[2019-10-13 19:23:35,992 INFO  L130     BoogieDeclarations]: Found specification of procedure continueInDirection
[2019-10-13 19:23:35,992 INFO  L130     BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty
[2019-10-13 19:23:35,992 INFO  L130     BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor
[2019-10-13 19:23:35,992 INFO  L130     BoogieDeclarations]: Found specification of procedure getReverseHeading
[2019-10-13 19:23:35,993 INFO  L130     BoogieDeclarations]: Found specification of procedure processWaitingOnFloor
[2019-10-13 19:23:35,993 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift__wrappee__twothirdsfull
[2019-10-13 19:23:35,993 INFO  L130     BoogieDeclarations]: Found specification of procedure printState__wrappee__twothirdsfull
[2019-10-13 19:23:35,993 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-10-13 19:23:35,993 INFO  L130     BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection
[2019-10-13 19:23:35,994 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2019-10-13 19:23:35,994 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2019-10-13 19:23:35,994 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2019-10-13 19:23:35,994 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2019-10-13 19:23:35,994 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-10-13 19:23:35,994 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-10-13 19:23:35,994 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-10-13 19:23:35,995 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-10-13 19:23:35,995 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2019-10-13 19:23:35,995 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-10-13 19:23:35,995 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2019-10-13 19:23:35,995 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2019-10-13 19:23:35,995 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-10-13 19:23:35,995 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2019-10-13 19:23:35,996 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2019-10-13 19:23:35,996 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2019-10-13 19:23:35,996 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2019-10-13 19:23:35,996 INFO  L130     BoogieDeclarations]: Found specification of procedure callOnFloor
[2019-10-13 19:23:35,996 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-13 19:23:35,996 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2019-10-13 19:23:35,996 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-13 19:23:38,355 INFO  L279             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-13 19:23:38,355 INFO  L284             CfgBuilder]: Removed 10 assume(true) statements.
[2019-10-13 19:23:38,358 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:38 BoogieIcfgContainer
[2019-10-13 19:23:38,358 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-13 19:23:38,359 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-10-13 19:23:38,360 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-10-13 19:23:38,363 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-10-13 19:23:38,364 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:23:34" (1/3) ...
[2019-10-13 19:23:38,364 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab6e9d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:38, skipping insertion in model container
[2019-10-13 19:23:38,365 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:35" (2/3) ...
[2019-10-13 19:23:38,365 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab6e9d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:23:38, skipping insertion in model container
[2019-10-13 19:23:38,365 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:23:38" (3/3) ...
[2019-10-13 19:23:38,367 INFO  L109   eAbstractionObserver]: Analyzing ICFG elevator_spec3_product30.cil.c
[2019-10-13 19:23:38,378 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-10-13 19:23:38,388 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-10-13 19:23:38,400 INFO  L249      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-10-13 19:23:38,439 INFO  L373      AbstractCegarLoop]: Interprodecural is true
[2019-10-13 19:23:38,440 INFO  L374      AbstractCegarLoop]: Hoare is true
[2019-10-13 19:23:38,440 INFO  L375      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-10-13 19:23:38,440 INFO  L376      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-10-13 19:23:38,440 INFO  L377      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-10-13 19:23:38,440 INFO  L378      AbstractCegarLoop]: Difference is false
[2019-10-13 19:23:38,440 INFO  L379      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-10-13 19:23:38,441 INFO  L383      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-10-13 19:23:38,481 INFO  L276                IsEmpty]: Start isEmpty. Operand 828 states.
[2019-10-13 19:23:38,495 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 94
[2019-10-13 19:23:38,496 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 19:23:38,497 INFO  L380         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]
[2019-10-13 19:23:38,499 INFO  L410      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 19:23:38,505 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 19:23:38,505 INFO  L82        PathProgramCache]: Analyzing trace with hash -517745057, now seen corresponding path program 1 times
[2019-10-13 19:23:38,515 INFO  L157   tionRefinementEngine]: Executing refinement strategy CAMEL
[2019-10-13 19:23:38,515 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346530154]
[2019-10-13 19:23:38,516 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:23:38,516 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:23:38,516 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 19:23:38,953 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:40,143 WARN  L191               SmtUtils]: Spent 993.00 ms on a formula simplification that was a NOOP. DAG size: 385
[2019-10-13 19:23:40,155 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:40,181 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:40,183 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:40,185 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:40,187 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:40,367 WARN  L191               SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 145
[2019-10-13 19:23:40,374 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:40,507 WARN  L191               SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 106
[2019-10-13 19:23:40,511 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:40,569 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:40,621 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:40,661 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:40,740 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:40,776 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:40,789 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:40,792 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:40,794 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:40,796 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:23:40,848 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2019-10-13 19:23:40,849 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346530154]
[2019-10-13 19:23:40,850 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 19:23:40,850 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2019-10-13 19:23:40,851 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959292563]
[2019-10-13 19:23:40,856 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 12 states
[2019-10-13 19:23:40,856 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-10-13 19:23:40,868 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2019-10-13 19:23:40,869 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132
[2019-10-13 19:23:40,871 INFO  L87              Difference]: Start difference. First operand 828 states. Second operand 12 states.
[2019-10-13 19:23:43,546 WARN  L191               SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 388
[2019-10-13 19:23:44,522 WARN  L191               SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 388
[2019-10-13 19:23:45,391 WARN  L191               SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 388
[2019-10-13 19:23:46,351 WARN  L191               SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 388
[2019-10-13 19:23:47,305 WARN  L191               SmtUtils]: Spent 872.00 ms on a formula simplification that was a NOOP. DAG size: 390
[2019-10-13 19:23:50,747 WARN  L191               SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 148
[2019-10-13 19:24:12,861 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 19:24:12,861 INFO  L93              Difference]: Finished difference Result 1664 states and 2864 transitions.
[2019-10-13 19:24:12,862 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2019-10-13 19:24:12,864 INFO  L78                 Accepts]: Start accepts. Automaton has 12 states. Word has length 93
[2019-10-13 19:24:12,864 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 19:24:12,897 INFO  L225             Difference]: With dead ends: 1664
[2019-10-13 19:24:12,897 INFO  L226             Difference]: Without dead ends: 1003
[2019-10-13 19:24:12,909 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650
[2019-10-13 19:24:12,930 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1003 states.
[2019-10-13 19:24:13,205 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 667.
[2019-10-13 19:24:13,206 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 667 states.
[2019-10-13 19:24:13,215 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 1057 transitions.
[2019-10-13 19:24:13,217 INFO  L78                 Accepts]: Start accepts. Automaton has 667 states and 1057 transitions. Word has length 93
[2019-10-13 19:24:13,218 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-13 19:24:13,218 INFO  L462      AbstractCegarLoop]: Abstraction has 667 states and 1057 transitions.
[2019-10-13 19:24:13,218 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 12 states.
[2019-10-13 19:24:13,218 INFO  L276                IsEmpty]: Start isEmpty. Operand 667 states and 1057 transitions.
[2019-10-13 19:24:13,225 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 95
[2019-10-13 19:24:13,225 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-13 19:24:13,225 INFO  L380         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]
[2019-10-13 19:24:13,226 INFO  L410      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 19:24:13,226 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 19:24:13,226 INFO  L82        PathProgramCache]: Analyzing trace with hash 1718929765, now seen corresponding path program 1 times
[2019-10-13 19:24:13,226 INFO  L157   tionRefinementEngine]: Executing refinement strategy CAMEL
[2019-10-13 19:24:13,227 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109613351]
[2019-10-13 19:24:13,227 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:24:13,227 INFO  L116   rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:24:13,231 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 19:24:13,301 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:24:14,229 WARN  L191               SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 385
[2019-10-13 19:24:14,238 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:24:14,274 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:24:14,276 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:24:14,277 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:24:14,279 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:24:14,467 WARN  L191               SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 145
[2019-10-13 19:24:14,471 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:24:14,618 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:24:14,629 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:24:14,634 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:24:14,675 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:24:14,710 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:24:14,736 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:24:14,741 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:24:14,743 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:24:14,745 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:24:14,747 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:24:14,784 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2019-10-13 19:24:14,785 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109613351]
[2019-10-13 19:24:14,785 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 19:24:14,785 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2019-10-13 19:24:14,786 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213565461]
[2019-10-13 19:24:14,802 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 9 states
[2019-10-13 19:24:14,802 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-10-13 19:24:14,803 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2019-10-13 19:24:14,803 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72
[2019-10-13 19:24:14,803 INFO  L87              Difference]: Start difference. First operand 667 states and 1057 transitions. Second operand 9 states.