/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl4.cil-1.c


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


This is Ultimate 0.1.24-fb55353
[2019-11-07 00:37:39,456 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-11-07 00:37:39,459 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-11-07 00:37:39,479 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-11-07 00:37:39,479 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-11-07 00:37:39,481 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-11-07 00:37:39,483 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-11-07 00:37:39,491 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-11-07 00:37:39,495 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-11-07 00:37:39,498 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-11-07 00:37:39,499 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-11-07 00:37:39,501 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-11-07 00:37:39,501 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-11-07 00:37:39,503 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-11-07 00:37:39,505 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-11-07 00:37:39,506 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-11-07 00:37:39,508 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-11-07 00:37:39,508 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-11-07 00:37:39,510 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-11-07 00:37:39,514 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-11-07 00:37:39,518 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-11-07 00:37:39,521 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-11-07 00:37:39,523 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-11-07 00:37:39,524 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-11-07 00:37:39,526 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-11-07 00:37:39,526 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-11-07 00:37:39,527 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-11-07 00:37:39,528 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-11-07 00:37:39,529 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-11-07 00:37:39,530 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-11-07 00:37:39,531 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-11-07 00:37:39,531 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-11-07 00:37:39,532 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-11-07 00:37:39,533 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-11-07 00:37:39,534 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-11-07 00:37:39,534 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-11-07 00:37:39,535 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-11-07 00:37:39,535 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-11-07 00:37:39,535 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2019-11-07 00:37:39,537 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-11-07 00:37:39,537 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2019-11-07 00:37:39,563 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-11-07 00:37:39,564 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-11-07 00:37:39,566 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-11-07 00:37:39,567 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-11-07 00:37:39,567 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-11-07 00:37:39,567 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-11-07 00:37:39,567 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-11-07 00:37:39,567 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-11-07 00:37:39,568 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-11-07 00:37:39,568 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-11-07 00:37:39,568 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-11-07 00:37:39,568 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-11-07 00:37:39,568 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-11-07 00:37:39,569 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-11-07 00:37:39,569 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-11-07 00:37:39,569 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-11-07 00:37:39,569 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-11-07 00:37:39,569 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-11-07 00:37:39,570 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-11-07 00:37:39,570 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-11-07 00:37:39,570 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-11-07 00:37:39,570 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-11-07 00:37:39,570 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-11-07 00:37:39,571 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-11-07 00:37:39,571 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-11-07 00:37:39,571 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-11-07 00:37:39,571 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-11-07 00:37:39,571 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-11-07 00:37:39,571 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES
[2019-11-07 00:37:39,838 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-11-07 00:37:39,858 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-11-07 00:37:39,862 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-11-07 00:37:39,863 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-11-07 00:37:39,863 INFO  L275        PluginConnector]: CDTParser initialized
[2019-11-07 00:37:39,864 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl4.cil-1.c
[2019-11-07 00:37:39,940 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54c38c915/e1fb379b634847a7acc2de7996aa2af6/FLAG901a221dd
[2019-11-07 00:37:40,465 INFO  L306              CDTParser]: Found 1 translation units.
[2019-11-07 00:37:40,466 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl4.cil-1.c
[2019-11-07 00:37:40,490 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54c38c915/e1fb379b634847a7acc2de7996aa2af6/FLAG901a221dd
[2019-11-07 00:37:40,700 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54c38c915/e1fb379b634847a7acc2de7996aa2af6
[2019-11-07 00:37:40,708 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-11-07 00:37:40,709 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-11-07 00:37:40,710 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-11-07 00:37:40,710 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-11-07 00:37:40,714 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-11-07 00:37:40,714 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:37:40" (1/1) ...
[2019-11-07 00:37:40,717 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@412a1d8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:37:40, skipping insertion in model container
[2019-11-07 00:37:40,717 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:37:40" (1/1) ...
[2019-11-07 00:37:40,723 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-11-07 00:37:40,782 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-11-07 00:37:41,310 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-07 00:37:41,319 INFO  L188         MainTranslator]: Completed pre-run
[2019-11-07 00:37:41,449 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-07 00:37:41,476 INFO  L192         MainTranslator]: Completed translation
[2019-11-07 00:37:41,476 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:37:41 WrapperNode
[2019-11-07 00:37:41,477 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-11-07 00:37:41,477 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-11-07 00:37:41,477 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-11-07 00:37:41,477 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-11-07 00:37:41,487 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:37:41" (1/1) ...
[2019-11-07 00:37:41,488 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:37:41" (1/1) ...
[2019-11-07 00:37:41,505 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:37:41" (1/1) ...
[2019-11-07 00:37:41,505 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:37:41" (1/1) ...
[2019-11-07 00:37:41,535 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:37:41" (1/1) ...
[2019-11-07 00:37:41,553 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:37:41" (1/1) ...
[2019-11-07 00:37:41,559 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:37:41" (1/1) ...
[2019-11-07 00:37:41,570 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-11-07 00:37:41,570 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-11-07 00:37:41,570 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-11-07 00:37:41,570 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-11-07 00:37:41,571 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:37:41" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-11-07 00:37:41,624 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-11-07 00:37:41,624 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-11-07 00:37:41,624 INFO  L138     BoogieDeclarations]: Found implementation of procedure _BLAST_init
[2019-11-07 00:37:41,624 INFO  L138     BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy
[2019-11-07 00:37:41,624 INFO  L138     BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread
[2019-11-07 00:37:41,625 INFO  L138     BoogieDeclarations]: Found implementation of procedure FloppyPnp
[2019-11-07 00:37:41,625 INFO  L138     BoogieDeclarations]: Found implementation of procedure FloppyStartDevice
[2019-11-07 00:37:41,625 INFO  L138     BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete
[2019-11-07 00:37:41,625 INFO  L138     BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo
[2019-11-07 00:37:41,625 INFO  L138     BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests
[2019-11-07 00:37:41,625 INFO  L138     BoogieDeclarations]: Found implementation of procedure stub_driver_init
[2019-11-07 00:37:41,626 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-11-07 00:37:41,626 INFO  L138     BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest
[2019-11-07 00:37:41,626 INFO  L138     BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink
[2019-11-07 00:37:41,626 INFO  L138     BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription
[2019-11-07 00:37:41,626 INFO  L138     BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface
[2019-11-07 00:37:41,627 INFO  L138     BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState
[2019-11-07 00:37:41,627 INFO  L138     BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired
[2019-11-07 00:37:41,627 INFO  L138     BoogieDeclarations]: Found implementation of procedure IofCallDriver
[2019-11-07 00:37:41,627 INFO  L138     BoogieDeclarations]: Found implementation of procedure IofCompleteRequest
[2019-11-07 00:37:41,627 INFO  L138     BoogieDeclarations]: Found implementation of procedure KeSetEvent
[2019-11-07 00:37:41,628 INFO  L138     BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject
[2019-11-07 00:37:41,628 INFO  L138     BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle
[2019-11-07 00:37:41,629 INFO  L138     BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread
[2019-11-07 00:37:41,629 INFO  L138     BoogieDeclarations]: Found implementation of procedure ZwClose
[2019-11-07 00:37:41,629 INFO  L138     BoogieDeclarations]: Found implementation of procedure FloppyCreateClose
[2019-11-07 00:37:41,629 INFO  L138     BoogieDeclarations]: Found implementation of procedure FloppyDeviceControl
[2019-11-07 00:37:41,629 INFO  L138     BoogieDeclarations]: Found implementation of procedure FlCheckFormatParameters
[2019-11-07 00:37:41,629 INFO  L138     BoogieDeclarations]: Found implementation of procedure FloppyQueueRequest
[2019-11-07 00:37:41,629 INFO  L138     BoogieDeclarations]: Found implementation of procedure errorFn
[2019-11-07 00:37:41,629 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-11-07 00:37:41,630 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char
[2019-11-07 00:37:41,630 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-11-07 00:37:41,630 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long
[2019-11-07 00:37:41,630 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer
[2019-11-07 00:37:41,630 INFO  L130     BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy
[2019-11-07 00:37:41,630 INFO  L130     BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread
[2019-11-07 00:37:41,630 INFO  L130     BoogieDeclarations]: Found specification of procedure FloppyPnp
[2019-11-07 00:37:41,631 INFO  L130     BoogieDeclarations]: Found specification of procedure FloppyStartDevice
[2019-11-07 00:37:41,631 INFO  L130     BoogieDeclarations]: Found specification of procedure FloppyPnpComplete
[2019-11-07 00:37:41,631 INFO  L130     BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo
[2019-11-07 00:37:41,631 INFO  L130     BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest
[2019-11-07 00:37:41,631 INFO  L130     BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink
[2019-11-07 00:37:41,631 INFO  L130     BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription
[2019-11-07 00:37:41,631 INFO  L130     BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface
[2019-11-07 00:37:41,631 INFO  L130     BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState
[2019-11-07 00:37:41,632 INFO  L130     BoogieDeclarations]: Found specification of procedure IofCallDriver
[2019-11-07 00:37:41,632 INFO  L130     BoogieDeclarations]: Found specification of procedure KeSetEvent
[2019-11-07 00:37:41,632 INFO  L130     BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject
[2019-11-07 00:37:41,632 INFO  L130     BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle
[2019-11-07 00:37:41,632 INFO  L130     BoogieDeclarations]: Found specification of procedure PsCreateSystemThread
[2019-11-07 00:37:41,632 INFO  L130     BoogieDeclarations]: Found specification of procedure ZwClose
[2019-11-07 00:37:41,632 INFO  L130     BoogieDeclarations]: Found specification of procedure FloppyCreateClose
[2019-11-07 00:37:41,632 INFO  L130     BoogieDeclarations]: Found specification of procedure FloppyQueueRequest
[2019-11-07 00:37:41,632 INFO  L130     BoogieDeclarations]: Found specification of procedure FloppyDeviceControl
[2019-11-07 00:37:41,633 INFO  L130     BoogieDeclarations]: Found specification of procedure FlCheckFormatParameters
[2019-11-07 00:37:41,633 INFO  L130     BoogieDeclarations]: Found specification of procedure errorFn
[2019-11-07 00:37:41,633 INFO  L130     BoogieDeclarations]: Found specification of procedure IofCompleteRequest
[2019-11-07 00:37:41,633 INFO  L130     BoogieDeclarations]: Found specification of procedure _BLAST_init
[2019-11-07 00:37:41,633 INFO  L130     BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests
[2019-11-07 00:37:41,633 INFO  L130     BoogieDeclarations]: Found specification of procedure stub_driver_init
[2019-11-07 00:37:41,634 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-11-07 00:37:41,634 INFO  L130     BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired
[2019-11-07 00:37:41,634 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-11-07 00:37:41,634 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-11-07 00:37:41,975 WARN  L735   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2019-11-07 00:37:42,043 INFO  L688   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false;
[2019-11-07 00:37:42,044 INFO  L688   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false;
[2019-11-07 00:37:42,052 WARN  L735   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2019-11-07 00:37:42,064 INFO  L688   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false;
[2019-11-07 00:37:42,064 INFO  L688   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false;
[2019-11-07 00:37:42,070 WARN  L735   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2019-11-07 00:37:42,272 INFO  L688   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false;
[2019-11-07 00:37:42,272 INFO  L688   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false;
[2019-11-07 00:37:42,275 WARN  L735   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2019-11-07 00:37:42,379 INFO  L688   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !false;
[2019-11-07 00:37:42,379 INFO  L688   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume false;
[2019-11-07 00:37:42,395 WARN  L735   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2019-11-07 00:37:42,421 INFO  L688   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false;
[2019-11-07 00:37:42,421 INFO  L688   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false;
[2019-11-07 00:37:42,525 WARN  L735   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2019-11-07 00:37:42,536 INFO  L688   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false;
[2019-11-07 00:37:42,536 INFO  L688   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false;
[2019-11-07 00:37:42,536 WARN  L735   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2019-11-07 00:37:42,547 INFO  L688   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false;
[2019-11-07 00:37:42,547 INFO  L688   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false;
[2019-11-07 00:37:42,548 WARN  L735   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2019-11-07 00:37:42,558 INFO  L688   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false;
[2019-11-07 00:37:42,558 INFO  L688   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false;
[2019-11-07 00:37:42,597 WARN  L735   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2019-11-07 00:37:42,625 INFO  L688   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false;
[2019-11-07 00:37:42,625 INFO  L688   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false;
[2019-11-07 00:37:42,628 WARN  L735   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2019-11-07 00:37:42,756 INFO  L688   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false;
[2019-11-07 00:37:42,757 INFO  L688   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false;
[2019-11-07 00:37:42,810 WARN  L735   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2019-11-07 00:37:42,818 INFO  L688   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false;
[2019-11-07 00:37:42,819 INFO  L688   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false;
[2019-11-07 00:37:42,819 WARN  L735   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2019-11-07 00:37:42,841 INFO  L688   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false;
[2019-11-07 00:37:42,841 INFO  L688   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false;
[2019-11-07 00:37:42,842 WARN  L735   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2019-11-07 00:37:42,847 INFO  L688   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false;
[2019-11-07 00:37:42,847 INFO  L688   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false;
[2019-11-07 00:37:42,863 INFO  L279             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-11-07 00:37:42,864 INFO  L284             CfgBuilder]: Removed 1 assume(true) statements.
[2019-11-07 00:37:42,865 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:37:42 BoogieIcfgContainer
[2019-11-07 00:37:42,866 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-11-07 00:37:42,867 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-11-07 00:37:42,867 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-11-07 00:37:42,870 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-11-07 00:37:42,870 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:37:40" (1/3) ...
[2019-11-07 00:37:42,872 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18ec3c82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:37:42, skipping insertion in model container
[2019-11-07 00:37:42,872 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:37:41" (2/3) ...
[2019-11-07 00:37:42,872 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18ec3c82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:37:42, skipping insertion in model container
[2019-11-07 00:37:42,872 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:37:42" (3/3) ...
[2019-11-07 00:37:42,883 INFO  L109   eAbstractionObserver]: Analyzing ICFG floppy_simpl4.cil-1.c
[2019-11-07 00:37:42,895 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-11-07 00:37:42,906 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-11-07 00:37:42,918 INFO  L249      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-11-07 00:37:42,962 INFO  L373      AbstractCegarLoop]: Interprodecural is true
[2019-11-07 00:37:42,963 INFO  L374      AbstractCegarLoop]: Hoare is true
[2019-11-07 00:37:42,963 INFO  L375      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-11-07 00:37:42,963 INFO  L376      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-11-07 00:37:42,964 INFO  L377      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-11-07 00:37:42,964 INFO  L378      AbstractCegarLoop]: Difference is false
[2019-11-07 00:37:42,965 INFO  L379      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-11-07 00:37:42,965 INFO  L383      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-11-07 00:37:43,006 INFO  L276                IsEmpty]: Start isEmpty. Operand 390 states.
[2019-11-07 00:37:43,015 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2019-11-07 00:37:43,015 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:37:43,019 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:37:43,022 INFO  L410      AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:37:43,027 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:37:43,028 INFO  L82        PathProgramCache]: Analyzing trace with hash 1980583479, now seen corresponding path program 1 times
[2019-11-07 00:37:43,038 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:37:43,039 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414963587]
[2019-11-07 00:37:43,042 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:37:43,207 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:37:43,326 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:37:43,326 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414963587]
[2019-11-07 00:37:43,328 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:37:43,329 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-11-07 00:37:43,331 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143726785]
[2019-11-07 00:37:43,344 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-11-07 00:37:43,346 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:37:43,362 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-11-07 00:37:43,362 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-07 00:37:43,365 INFO  L87              Difference]: Start difference. First operand 390 states. Second operand 3 states.
[2019-11-07 00:37:43,569 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:37:43,569 INFO  L93              Difference]: Finished difference Result 626 states and 913 transitions.
[2019-11-07 00:37:43,570 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-11-07 00:37:43,571 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 20
[2019-11-07 00:37:43,571 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:37:43,589 INFO  L225             Difference]: With dead ends: 626
[2019-11-07 00:37:43,589 INFO  L226             Difference]: Without dead ends: 382
[2019-11-07 00:37:43,598 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-07 00:37:43,621 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 382 states.
[2019-11-07 00:37:43,698 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382.
[2019-11-07 00:37:43,700 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 382 states.
[2019-11-07 00:37:43,704 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 526 transitions.
[2019-11-07 00:37:43,706 INFO  L78                 Accepts]: Start accepts. Automaton has 382 states and 526 transitions. Word has length 20
[2019-11-07 00:37:43,706 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:37:43,707 INFO  L462      AbstractCegarLoop]: Abstraction has 382 states and 526 transitions.
[2019-11-07 00:37:43,707 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-11-07 00:37:43,707 INFO  L276                IsEmpty]: Start isEmpty. Operand 382 states and 526 transitions.
[2019-11-07 00:37:43,708 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2019-11-07 00:37:43,709 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:37:43,709 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:37:43,709 INFO  L410      AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:37:43,709 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:37:43,709 INFO  L82        PathProgramCache]: Analyzing trace with hash 1877533292, now seen corresponding path program 1 times
[2019-11-07 00:37:43,710 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:37:43,710 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625988729]
[2019-11-07 00:37:43,710 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:37:43,785 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:37:43,859 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:37:43,864 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625988729]
[2019-11-07 00:37:43,865 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:37:43,865 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-11-07 00:37:43,865 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865055516]
[2019-11-07 00:37:43,867 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-11-07 00:37:43,867 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:37:43,867 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-11-07 00:37:43,868 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-07 00:37:43,868 INFO  L87              Difference]: Start difference. First operand 382 states and 526 transitions. Second operand 3 states.
[2019-11-07 00:37:44,115 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:37:44,116 INFO  L93              Difference]: Finished difference Result 705 states and 959 transitions.
[2019-11-07 00:37:44,116 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-11-07 00:37:44,116 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 25
[2019-11-07 00:37:44,117 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:37:44,123 INFO  L225             Difference]: With dead ends: 705
[2019-11-07 00:37:44,123 INFO  L226             Difference]: Without dead ends: 540
[2019-11-07 00:37:44,124 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-07 00:37:44,126 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 540 states.
[2019-11-07 00:37:44,189 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 521.
[2019-11-07 00:37:44,189 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 521 states.
[2019-11-07 00:37:44,194 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 709 transitions.
[2019-11-07 00:37:44,195 INFO  L78                 Accepts]: Start accepts. Automaton has 521 states and 709 transitions. Word has length 25
[2019-11-07 00:37:44,195 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:37:44,195 INFO  L462      AbstractCegarLoop]: Abstraction has 521 states and 709 transitions.
[2019-11-07 00:37:44,195 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-11-07 00:37:44,195 INFO  L276                IsEmpty]: Start isEmpty. Operand 521 states and 709 transitions.
[2019-11-07 00:37:44,198 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2019-11-07 00:37:44,198 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:37:44,198 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:37:44,198 INFO  L410      AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:37:44,199 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:37:44,200 INFO  L82        PathProgramCache]: Analyzing trace with hash -2127650726, now seen corresponding path program 1 times
[2019-11-07 00:37:44,200 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:37:44,200 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204301906]
[2019-11-07 00:37:44,201 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:37:44,238 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:37:44,311 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:37:44,312 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204301906]
[2019-11-07 00:37:44,312 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:37:44,312 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-11-07 00:37:44,313 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573043232]
[2019-11-07 00:37:44,313 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-11-07 00:37:44,313 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:37:44,313 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-11-07 00:37:44,314 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-07 00:37:44,314 INFO  L87              Difference]: Start difference. First operand 521 states and 709 transitions. Second operand 3 states.
[2019-11-07 00:37:44,378 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:37:44,378 INFO  L93              Difference]: Finished difference Result 646 states and 866 transitions.
[2019-11-07 00:37:44,378 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-11-07 00:37:44,379 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 31
[2019-11-07 00:37:44,379 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:37:44,386 INFO  L225             Difference]: With dead ends: 646
[2019-11-07 00:37:44,386 INFO  L226             Difference]: Without dead ends: 625
[2019-11-07 00:37:44,387 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-07 00:37:44,389 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 625 states.
[2019-11-07 00:37:44,426 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 585.
[2019-11-07 00:37:44,426 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 585 states.
[2019-11-07 00:37:44,430 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 792 transitions.
[2019-11-07 00:37:44,431 INFO  L78                 Accepts]: Start accepts. Automaton has 585 states and 792 transitions. Word has length 31
[2019-11-07 00:37:44,431 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:37:44,432 INFO  L462      AbstractCegarLoop]: Abstraction has 585 states and 792 transitions.
[2019-11-07 00:37:44,432 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-11-07 00:37:44,432 INFO  L276                IsEmpty]: Start isEmpty. Operand 585 states and 792 transitions.
[2019-11-07 00:37:44,441 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2019-11-07 00:37:44,441 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:37:44,441 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:37:44,441 INFO  L410      AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:37:44,442 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:37:44,442 INFO  L82        PathProgramCache]: Analyzing trace with hash -984761052, now seen corresponding path program 1 times
[2019-11-07 00:37:44,442 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:37:44,442 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596221071]
[2019-11-07 00:37:44,443 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:37:44,492 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:37:44,557 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:37:44,557 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596221071]
[2019-11-07 00:37:44,557 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:37:44,557 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-11-07 00:37:44,558 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219744799]
[2019-11-07 00:37:44,558 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-11-07 00:37:44,558 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:37:44,559 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-11-07 00:37:44,559 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-07 00:37:44,559 INFO  L87              Difference]: Start difference. First operand 585 states and 792 transitions. Second operand 3 states.
[2019-11-07 00:37:44,612 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:37:44,612 INFO  L93              Difference]: Finished difference Result 1096 states and 1479 transitions.
[2019-11-07 00:37:44,613 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-11-07 00:37:44,613 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 33
[2019-11-07 00:37:44,613 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:37:44,619 INFO  L225             Difference]: With dead ends: 1096
[2019-11-07 00:37:44,619 INFO  L226             Difference]: Without dead ends: 796
[2019-11-07 00:37:44,620 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-07 00:37:44,622 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 796 states.
[2019-11-07 00:37:44,659 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 767.
[2019-11-07 00:37:44,659 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 767 states.
[2019-11-07 00:37:44,664 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 1042 transitions.
[2019-11-07 00:37:44,665 INFO  L78                 Accepts]: Start accepts. Automaton has 767 states and 1042 transitions. Word has length 33
[2019-11-07 00:37:44,665 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:37:44,665 INFO  L462      AbstractCegarLoop]: Abstraction has 767 states and 1042 transitions.
[2019-11-07 00:37:44,666 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-11-07 00:37:44,666 INFO  L276                IsEmpty]: Start isEmpty. Operand 767 states and 1042 transitions.
[2019-11-07 00:37:44,667 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2019-11-07 00:37:44,668 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:37:44,668 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:37:44,668 INFO  L410      AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:37:44,668 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:37:44,668 INFO  L82        PathProgramCache]: Analyzing trace with hash -1494073565, now seen corresponding path program 1 times
[2019-11-07 00:37:44,669 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:37:44,669 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417913928]
[2019-11-07 00:37:44,669 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:37:44,684 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:37:44,714 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:37:44,714 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417913928]
[2019-11-07 00:37:44,715 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:37:44,715 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-11-07 00:37:44,715 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712524629]
[2019-11-07 00:37:44,715 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-11-07 00:37:44,716 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:37:44,716 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-11-07 00:37:44,716 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-07 00:37:44,716 INFO  L87              Difference]: Start difference. First operand 767 states and 1042 transitions. Second operand 3 states.
[2019-11-07 00:37:44,817 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:37:44,817 INFO  L93              Difference]: Finished difference Result 811 states and 1096 transitions.
[2019-11-07 00:37:44,818 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-11-07 00:37:44,818 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 39
[2019-11-07 00:37:44,818 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:37:44,823 INFO  L225             Difference]: With dead ends: 811
[2019-11-07 00:37:44,823 INFO  L226             Difference]: Without dead ends: 806
[2019-11-07 00:37:44,824 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-07 00:37:44,825 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 806 states.
[2019-11-07 00:37:44,880 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 802.
[2019-11-07 00:37:44,880 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 802 states.
[2019-11-07 00:37:44,885 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 1086 transitions.
[2019-11-07 00:37:44,885 INFO  L78                 Accepts]: Start accepts. Automaton has 802 states and 1086 transitions. Word has length 39
[2019-11-07 00:37:44,889 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:37:44,889 INFO  L462      AbstractCegarLoop]: Abstraction has 802 states and 1086 transitions.
[2019-11-07 00:37:44,890 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-11-07 00:37:44,890 INFO  L276                IsEmpty]: Start isEmpty. Operand 802 states and 1086 transitions.
[2019-11-07 00:37:44,893 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2019-11-07 00:37:44,893 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:37:44,893 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:37:44,893 INFO  L410      AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:37:44,893 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:37:44,893 INFO  L82        PathProgramCache]: Analyzing trace with hash 1679216250, now seen corresponding path program 1 times
[2019-11-07 00:37:44,894 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:37:44,894 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446995035]
[2019-11-07 00:37:44,894 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:37:44,944 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:37:44,986 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:37:44,987 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446995035]
[2019-11-07 00:37:44,987 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:37:44,987 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-11-07 00:37:44,987 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856126189]
[2019-11-07 00:37:44,988 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-11-07 00:37:44,989 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:37:44,989 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-11-07 00:37:44,989 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-07 00:37:44,989 INFO  L87              Difference]: Start difference. First operand 802 states and 1086 transitions. Second operand 3 states.
[2019-11-07 00:37:45,102 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:37:45,102 INFO  L93              Difference]: Finished difference Result 817 states and 1106 transitions.
[2019-11-07 00:37:45,102 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-11-07 00:37:45,102 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 38
[2019-11-07 00:37:45,103 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:37:45,108 INFO  L225             Difference]: With dead ends: 817
[2019-11-07 00:37:45,109 INFO  L226             Difference]: Without dead ends: 814
[2019-11-07 00:37:45,109 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-07 00:37:45,111 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 814 states.
[2019-11-07 00:37:45,139 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 813.
[2019-11-07 00:37:45,140 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 813 states.
[2019-11-07 00:37:45,144 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1100 transitions.
[2019-11-07 00:37:45,145 INFO  L78                 Accepts]: Start accepts. Automaton has 813 states and 1100 transitions. Word has length 38
[2019-11-07 00:37:45,145 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:37:45,145 INFO  L462      AbstractCegarLoop]: Abstraction has 813 states and 1100 transitions.
[2019-11-07 00:37:45,145 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-11-07 00:37:45,145 INFO  L276                IsEmpty]: Start isEmpty. Operand 813 states and 1100 transitions.
[2019-11-07 00:37:45,147 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2019-11-07 00:37:45,147 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:37:45,147 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:37:45,147 INFO  L410      AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:37:45,147 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:37:45,147 INFO  L82        PathProgramCache]: Analyzing trace with hash 310268416, now seen corresponding path program 1 times
[2019-11-07 00:37:45,148 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:37:45,148 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105290553]
[2019-11-07 00:37:45,148 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:37:45,163 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:37:45,200 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:37:45,201 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105290553]
[2019-11-07 00:37:45,201 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:37:45,201 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2019-11-07 00:37:45,202 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561573601]
[2019-11-07 00:37:45,202 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 5 states
[2019-11-07 00:37:45,202 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:37:45,202 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2019-11-07 00:37:45,203 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-11-07 00:37:45,203 INFO  L87              Difference]: Start difference. First operand 813 states and 1100 transitions. Second operand 5 states.
[2019-11-07 00:37:45,268 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:37:45,269 INFO  L93              Difference]: Finished difference Result 826 states and 1114 transitions.
[2019-11-07 00:37:45,269 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2019-11-07 00:37:45,269 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 39
[2019-11-07 00:37:45,270 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:37:45,274 INFO  L225             Difference]: With dead ends: 826
[2019-11-07 00:37:45,274 INFO  L226             Difference]: Without dead ends: 811
[2019-11-07 00:37:45,275 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2019-11-07 00:37:45,277 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 811 states.
[2019-11-07 00:37:45,311 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 811.
[2019-11-07 00:37:45,311 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 811 states.
[2019-11-07 00:37:45,316 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1096 transitions.
[2019-11-07 00:37:45,317 INFO  L78                 Accepts]: Start accepts. Automaton has 811 states and 1096 transitions. Word has length 39
[2019-11-07 00:37:45,317 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:37:45,317 INFO  L462      AbstractCegarLoop]: Abstraction has 811 states and 1096 transitions.
[2019-11-07 00:37:45,317 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2019-11-07 00:37:45,318 INFO  L276                IsEmpty]: Start isEmpty. Operand 811 states and 1096 transitions.
[2019-11-07 00:37:45,319 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2019-11-07 00:37:45,319 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:37:45,319 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:37:45,320 INFO  L410      AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:37:45,320 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:37:45,320 INFO  L82        PathProgramCache]: Analyzing trace with hash 1380961955, now seen corresponding path program 1 times
[2019-11-07 00:37:45,320 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:37:45,321 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414595803]
[2019-11-07 00:37:45,321 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:37:45,335 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:37:45,374 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:37:45,374 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414595803]
[2019-11-07 00:37:45,375 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:37:45,375 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2019-11-07 00:37:45,375 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196925103]
[2019-11-07 00:37:45,375 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 5 states
[2019-11-07 00:37:45,376 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:37:45,376 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2019-11-07 00:37:45,376 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-11-07 00:37:45,376 INFO  L87              Difference]: Start difference. First operand 811 states and 1096 transitions. Second operand 5 states.
[2019-11-07 00:37:45,454 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:37:45,455 INFO  L93              Difference]: Finished difference Result 824 states and 1110 transitions.
[2019-11-07 00:37:45,455 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2019-11-07 00:37:45,455 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 40
[2019-11-07 00:37:45,457 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:37:45,464 INFO  L225             Difference]: With dead ends: 824
[2019-11-07 00:37:45,464 INFO  L226             Difference]: Without dead ends: 804
[2019-11-07 00:37:45,466 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2019-11-07 00:37:45,468 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 804 states.
[2019-11-07 00:37:45,549 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 804.
[2019-11-07 00:37:45,549 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 804 states.
[2019-11-07 00:37:45,553 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1087 transitions.
[2019-11-07 00:37:45,554 INFO  L78                 Accepts]: Start accepts. Automaton has 804 states and 1087 transitions. Word has length 40
[2019-11-07 00:37:45,554 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:37:45,554 INFO  L462      AbstractCegarLoop]: Abstraction has 804 states and 1087 transitions.
[2019-11-07 00:37:45,554 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2019-11-07 00:37:45,554 INFO  L276                IsEmpty]: Start isEmpty. Operand 804 states and 1087 transitions.
[2019-11-07 00:37:45,556 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2019-11-07 00:37:45,556 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:37:45,556 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:37:45,557 INFO  L410      AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:37:45,557 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:37:45,557 INFO  L82        PathProgramCache]: Analyzing trace with hash -1241145468, now seen corresponding path program 1 times
[2019-11-07 00:37:45,557 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:37:45,557 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131181856]
[2019-11-07 00:37:45,558 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:37:45,586 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:37:45,634 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:37:45,635 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131181856]
[2019-11-07 00:37:45,635 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:37:45,635 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-11-07 00:37:45,635 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074603691]
[2019-11-07 00:37:45,636 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-11-07 00:37:45,636 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:37:45,636 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-11-07 00:37:45,636 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-07 00:37:45,637 INFO  L87              Difference]: Start difference. First operand 804 states and 1087 transitions. Second operand 3 states.
[2019-11-07 00:37:45,769 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:37:45,769 INFO  L93              Difference]: Finished difference Result 1184 states and 1615 transitions.
[2019-11-07 00:37:45,770 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-11-07 00:37:45,770 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 44
[2019-11-07 00:37:45,771 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:37:45,777 INFO  L225             Difference]: With dead ends: 1184
[2019-11-07 00:37:45,777 INFO  L226             Difference]: Without dead ends: 1181
[2019-11-07 00:37:45,778 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-07 00:37:45,780 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1181 states.
[2019-11-07 00:37:45,829 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1181 to 927.
[2019-11-07 00:37:45,829 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 927 states.
[2019-11-07 00:37:45,834 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1256 transitions.
[2019-11-07 00:37:45,834 INFO  L78                 Accepts]: Start accepts. Automaton has 927 states and 1256 transitions. Word has length 44
[2019-11-07 00:37:45,834 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:37:45,834 INFO  L462      AbstractCegarLoop]: Abstraction has 927 states and 1256 transitions.
[2019-11-07 00:37:45,835 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-11-07 00:37:45,835 INFO  L276                IsEmpty]: Start isEmpty. Operand 927 states and 1256 transitions.
[2019-11-07 00:37:45,836 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2019-11-07 00:37:45,836 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:37:45,836 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:37:45,836 INFO  L410      AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:37:45,837 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:37:45,837 INFO  L82        PathProgramCache]: Analyzing trace with hash -1407580827, now seen corresponding path program 1 times
[2019-11-07 00:37:45,837 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:37:45,837 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481891674]
[2019-11-07 00:37:45,837 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:37:45,857 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:37:45,939 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:37:45,940 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481891674]
[2019-11-07 00:37:45,940 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:37:45,940 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2019-11-07 00:37:45,940 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712674115]
[2019-11-07 00:37:45,941 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 8 states
[2019-11-07 00:37:45,941 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:37:45,942 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2019-11-07 00:37:45,942 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2019-11-07 00:37:45,942 INFO  L87              Difference]: Start difference. First operand 927 states and 1256 transitions. Second operand 8 states.
[2019-11-07 00:37:46,666 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:37:46,666 INFO  L93              Difference]: Finished difference Result 954 states and 1284 transitions.
[2019-11-07 00:37:46,666 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2019-11-07 00:37:46,666 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 43
[2019-11-07 00:37:46,667 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:37:46,672 INFO  L225             Difference]: With dead ends: 954
[2019-11-07 00:37:46,672 INFO  L226             Difference]: Without dead ends: 945
[2019-11-07 00:37:46,677 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132
[2019-11-07 00:37:46,678 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 945 states.
[2019-11-07 00:37:46,718 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 927.
[2019-11-07 00:37:46,718 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 927 states.
[2019-11-07 00:37:46,723 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1254 transitions.
[2019-11-07 00:37:46,724 INFO  L78                 Accepts]: Start accepts. Automaton has 927 states and 1254 transitions. Word has length 43
[2019-11-07 00:37:46,724 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:37:46,724 INFO  L462      AbstractCegarLoop]: Abstraction has 927 states and 1254 transitions.
[2019-11-07 00:37:46,724 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2019-11-07 00:37:46,725 INFO  L276                IsEmpty]: Start isEmpty. Operand 927 states and 1254 transitions.
[2019-11-07 00:37:46,727 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2019-11-07 00:37:46,727 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:37:46,727 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:37:46,727 INFO  L410      AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:37:46,728 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:37:46,728 INFO  L82        PathProgramCache]: Analyzing trace with hash -319659871, now seen corresponding path program 1 times
[2019-11-07 00:37:46,728 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:37:46,728 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161840005]
[2019-11-07 00:37:46,728 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:37:46,766 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:37:46,807 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:37:46,807 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161840005]
[2019-11-07 00:37:46,807 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:37:46,808 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2019-11-07 00:37:46,809 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208309020]
[2019-11-07 00:37:46,809 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 4 states
[2019-11-07 00:37:46,809 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:37:46,810 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2019-11-07 00:37:46,810 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2019-11-07 00:37:46,810 INFO  L87              Difference]: Start difference. First operand 927 states and 1254 transitions. Second operand 4 states.
[2019-11-07 00:37:46,903 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:37:46,904 INFO  L93              Difference]: Finished difference Result 955 states and 1287 transitions.
[2019-11-07 00:37:46,904 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2019-11-07 00:37:46,904 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 42
[2019-11-07 00:37:46,904 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:37:46,910 INFO  L225             Difference]: With dead ends: 955
[2019-11-07 00:37:46,910 INFO  L226             Difference]: Without dead ends: 933
[2019-11-07 00:37:46,911 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2019-11-07 00:37:46,912 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 933 states.
[2019-11-07 00:37:46,954 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 929.
[2019-11-07 00:37:46,954 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 929 states.
[2019-11-07 00:37:46,958 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1256 transitions.
[2019-11-07 00:37:46,959 INFO  L78                 Accepts]: Start accepts. Automaton has 929 states and 1256 transitions. Word has length 42
[2019-11-07 00:37:46,959 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:37:46,959 INFO  L462      AbstractCegarLoop]: Abstraction has 929 states and 1256 transitions.
[2019-11-07 00:37:46,959 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2019-11-07 00:37:46,960 INFO  L276                IsEmpty]: Start isEmpty. Operand 929 states and 1256 transitions.
[2019-11-07 00:37:46,961 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2019-11-07 00:37:46,961 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:37:46,961 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:37:46,961 INFO  L410      AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:37:46,962 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:37:46,962 INFO  L82        PathProgramCache]: Analyzing trace with hash -58863371, now seen corresponding path program 1 times
[2019-11-07 00:37:46,962 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:37:46,962 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421106596]
[2019-11-07 00:37:46,962 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:37:46,997 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:37:47,080 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:37:47,081 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421106596]
[2019-11-07 00:37:47,081 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:37:47,081 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2019-11-07 00:37:47,081 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7036685]
[2019-11-07 00:37:47,082 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 8 states
[2019-11-07 00:37:47,082 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:37:47,082 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2019-11-07 00:37:47,082 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2019-11-07 00:37:47,082 INFO  L87              Difference]: Start difference. First operand 929 states and 1256 transitions. Second operand 8 states.
[2019-11-07 00:37:47,976 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:37:47,976 INFO  L93              Difference]: Finished difference Result 1675 states and 2239 transitions.
[2019-11-07 00:37:47,977 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2019-11-07 00:37:47,977 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 45
[2019-11-07 00:37:47,977 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:37:47,986 INFO  L225             Difference]: With dead ends: 1675
[2019-11-07 00:37:47,986 INFO  L226             Difference]: Without dead ends: 1115
[2019-11-07 00:37:47,989 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110
[2019-11-07 00:37:47,991 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1115 states.
[2019-11-07 00:37:48,059 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 920.
[2019-11-07 00:37:48,060 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 920 states.
[2019-11-07 00:37:48,066 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1235 transitions.
[2019-11-07 00:37:48,067 INFO  L78                 Accepts]: Start accepts. Automaton has 920 states and 1235 transitions. Word has length 45
[2019-11-07 00:37:48,067 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:37:48,067 INFO  L462      AbstractCegarLoop]: Abstraction has 920 states and 1235 transitions.
[2019-11-07 00:37:48,067 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2019-11-07 00:37:48,067 INFO  L276                IsEmpty]: Start isEmpty. Operand 920 states and 1235 transitions.
[2019-11-07 00:37:48,069 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2019-11-07 00:37:48,070 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:37:48,070 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:37:48,070 INFO  L410      AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:37:48,071 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:37:48,071 INFO  L82        PathProgramCache]: Analyzing trace with hash -1574584051, now seen corresponding path program 1 times
[2019-11-07 00:37:48,071 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:37:48,071 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487960170]
[2019-11-07 00:37:48,072 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:37:48,102 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:37:48,229 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:37:48,229 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487960170]
[2019-11-07 00:37:48,230 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:37:48,230 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2019-11-07 00:37:48,230 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664672584]
[2019-11-07 00:37:48,231 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 8 states
[2019-11-07 00:37:48,231 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:37:48,231 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2019-11-07 00:37:48,231 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2019-11-07 00:37:48,232 INFO  L87              Difference]: Start difference. First operand 920 states and 1235 transitions. Second operand 8 states.
[2019-11-07 00:37:48,931 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:37:48,931 INFO  L93              Difference]: Finished difference Result 947 states and 1262 transitions.
[2019-11-07 00:37:48,932 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2019-11-07 00:37:48,932 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 44
[2019-11-07 00:37:48,932 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:37:48,937 INFO  L225             Difference]: With dead ends: 947
[2019-11-07 00:37:48,937 INFO  L226             Difference]: Without dead ends: 938
[2019-11-07 00:37:48,938 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132
[2019-11-07 00:37:48,940 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 938 states.
[2019-11-07 00:37:48,983 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 920.
[2019-11-07 00:37:48,983 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 920 states.
[2019-11-07 00:37:48,988 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1233 transitions.
[2019-11-07 00:37:48,989 INFO  L78                 Accepts]: Start accepts. Automaton has 920 states and 1233 transitions. Word has length 44
[2019-11-07 00:37:48,989 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:37:48,989 INFO  L462      AbstractCegarLoop]: Abstraction has 920 states and 1233 transitions.
[2019-11-07 00:37:48,989 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2019-11-07 00:37:48,989 INFO  L276                IsEmpty]: Start isEmpty. Operand 920 states and 1233 transitions.
[2019-11-07 00:37:48,991 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2019-11-07 00:37:48,991 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:37:48,991 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:37:48,991 INFO  L410      AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:37:48,992 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:37:48,992 INFO  L82        PathProgramCache]: Analyzing trace with hash -209494515, now seen corresponding path program 1 times
[2019-11-07 00:37:48,992 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:37:48,992 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126143722]
[2019-11-07 00:37:48,992 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:37:49,013 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:37:49,042 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:37:49,042 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126143722]
[2019-11-07 00:37:49,042 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:37:49,043 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2019-11-07 00:37:49,043 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013322448]
[2019-11-07 00:37:49,043 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 4 states
[2019-11-07 00:37:49,044 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:37:49,044 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2019-11-07 00:37:49,044 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2019-11-07 00:37:49,044 INFO  L87              Difference]: Start difference. First operand 920 states and 1233 transitions. Second operand 4 states.
[2019-11-07 00:37:49,152 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:37:49,152 INFO  L93              Difference]: Finished difference Result 948 states and 1266 transitions.
[2019-11-07 00:37:49,152 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2019-11-07 00:37:49,153 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 43
[2019-11-07 00:37:49,153 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:37:49,158 INFO  L225             Difference]: With dead ends: 948
[2019-11-07 00:37:49,158 INFO  L226             Difference]: Without dead ends: 926
[2019-11-07 00:37:49,159 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2019-11-07 00:37:49,160 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 926 states.
[2019-11-07 00:37:49,199 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 920.
[2019-11-07 00:37:49,199 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 920 states.
[2019-11-07 00:37:49,204 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1233 transitions.
[2019-11-07 00:37:49,205 INFO  L78                 Accepts]: Start accepts. Automaton has 920 states and 1233 transitions. Word has length 43
[2019-11-07 00:37:49,205 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:37:49,205 INFO  L462      AbstractCegarLoop]: Abstraction has 920 states and 1233 transitions.
[2019-11-07 00:37:49,205 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2019-11-07 00:37:49,205 INFO  L276                IsEmpty]: Start isEmpty. Operand 920 states and 1233 transitions.
[2019-11-07 00:37:49,207 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2019-11-07 00:37:49,207 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:37:49,207 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:37:49,207 INFO  L410      AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:37:49,208 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:37:49,208 INFO  L82        PathProgramCache]: Analyzing trace with hash -1512549362, now seen corresponding path program 1 times
[2019-11-07 00:37:49,208 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:37:49,208 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244831982]
[2019-11-07 00:37:49,208 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:37:49,226 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:37:49,278 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:37:49,278 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244831982]
[2019-11-07 00:37:49,278 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:37:49,278 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2019-11-07 00:37:49,279 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490851709]
[2019-11-07 00:37:49,279 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 5 states
[2019-11-07 00:37:49,279 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:37:49,279 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2019-11-07 00:37:49,280 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-11-07 00:37:49,280 INFO  L87              Difference]: Start difference. First operand 920 states and 1233 transitions. Second operand 5 states.
[2019-11-07 00:37:49,345 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:37:49,346 INFO  L93              Difference]: Finished difference Result 936 states and 1248 transitions.
[2019-11-07 00:37:49,346 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2019-11-07 00:37:49,346 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 45
[2019-11-07 00:37:49,346 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:37:49,351 INFO  L225             Difference]: With dead ends: 936
[2019-11-07 00:37:49,351 INFO  L226             Difference]: Without dead ends: 918
[2019-11-07 00:37:49,354 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-11-07 00:37:49,355 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 918 states.
[2019-11-07 00:37:49,396 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 918.
[2019-11-07 00:37:49,396 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 918 states.
[2019-11-07 00:37:49,400 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1229 transitions.
[2019-11-07 00:37:49,400 INFO  L78                 Accepts]: Start accepts. Automaton has 918 states and 1229 transitions. Word has length 45
[2019-11-07 00:37:49,401 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:37:49,401 INFO  L462      AbstractCegarLoop]: Abstraction has 918 states and 1229 transitions.
[2019-11-07 00:37:49,401 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2019-11-07 00:37:49,401 INFO  L276                IsEmpty]: Start isEmpty. Operand 918 states and 1229 transitions.
[2019-11-07 00:37:49,403 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2019-11-07 00:37:49,403 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:37:49,403 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:37:49,403 INFO  L410      AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:37:49,403 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:37:49,404 INFO  L82        PathProgramCache]: Analyzing trace with hash 2056203452, now seen corresponding path program 1 times
[2019-11-07 00:37:49,404 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:37:49,404 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369460115]
[2019-11-07 00:37:49,404 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:37:49,423 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:37:49,462 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:37:49,462 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369460115]
[2019-11-07 00:37:49,462 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:37:49,462 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-11-07 00:37:49,463 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045203220]
[2019-11-07 00:37:49,463 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-11-07 00:37:49,463 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:37:49,463 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-11-07 00:37:49,464 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-07 00:37:49,466 INFO  L87              Difference]: Start difference. First operand 918 states and 1229 transitions. Second operand 3 states.
[2019-11-07 00:37:49,518 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:37:49,518 INFO  L93              Difference]: Finished difference Result 948 states and 1265 transitions.
[2019-11-07 00:37:49,519 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-11-07 00:37:49,519 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 46
[2019-11-07 00:37:49,519 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:37:49,524 INFO  L225             Difference]: With dead ends: 948
[2019-11-07 00:37:49,524 INFO  L226             Difference]: Without dead ends: 900
[2019-11-07 00:37:49,525 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-07 00:37:49,526 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 900 states.
[2019-11-07 00:37:49,569 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 896.
[2019-11-07 00:37:49,569 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 896 states.
[2019-11-07 00:37:49,573 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 1197 transitions.
[2019-11-07 00:37:49,574 INFO  L78                 Accepts]: Start accepts. Automaton has 896 states and 1197 transitions. Word has length 46
[2019-11-07 00:37:49,574 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:37:49,574 INFO  L462      AbstractCegarLoop]: Abstraction has 896 states and 1197 transitions.
[2019-11-07 00:37:49,574 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-11-07 00:37:49,574 INFO  L276                IsEmpty]: Start isEmpty. Operand 896 states and 1197 transitions.
[2019-11-07 00:37:49,576 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2019-11-07 00:37:49,576 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:37:49,576 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:37:49,577 INFO  L410      AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:37:49,577 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:37:49,577 INFO  L82        PathProgramCache]: Analyzing trace with hash 1390121879, now seen corresponding path program 1 times
[2019-11-07 00:37:49,578 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:37:49,578 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619190106]
[2019-11-07 00:37:49,578 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:37:49,596 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:37:49,631 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:37:49,632 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619190106]
[2019-11-07 00:37:49,632 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:37:49,632 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2019-11-07 00:37:49,632 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984306387]
[2019-11-07 00:37:49,633 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 5 states
[2019-11-07 00:37:49,633 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:37:49,634 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2019-11-07 00:37:49,634 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-11-07 00:37:49,634 INFO  L87              Difference]: Start difference. First operand 896 states and 1197 transitions. Second operand 5 states.
[2019-11-07 00:37:49,692 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:37:49,692 INFO  L93              Difference]: Finished difference Result 912 states and 1212 transitions.
[2019-11-07 00:37:49,693 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2019-11-07 00:37:49,693 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 47
[2019-11-07 00:37:49,693 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:37:49,698 INFO  L225             Difference]: With dead ends: 912
[2019-11-07 00:37:49,698 INFO  L226             Difference]: Without dead ends: 894
[2019-11-07 00:37:49,700 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-11-07 00:37:49,701 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 894 states.
[2019-11-07 00:37:49,744 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894.
[2019-11-07 00:37:49,744 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 894 states.
[2019-11-07 00:37:49,747 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1193 transitions.
[2019-11-07 00:37:49,747 INFO  L78                 Accepts]: Start accepts. Automaton has 894 states and 1193 transitions. Word has length 47
[2019-11-07 00:37:49,748 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:37:49,748 INFO  L462      AbstractCegarLoop]: Abstraction has 894 states and 1193 transitions.
[2019-11-07 00:37:49,748 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2019-11-07 00:37:49,748 INFO  L276                IsEmpty]: Start isEmpty. Operand 894 states and 1193 transitions.
[2019-11-07 00:37:49,749 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2019-11-07 00:37:49,750 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:37:49,750 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:37:49,750 INFO  L410      AbstractCegarLoop]: === Iteration 18 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:37:49,750 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:37:49,750 INFO  L82        PathProgramCache]: Analyzing trace with hash -1483722839, now seen corresponding path program 1 times
[2019-11-07 00:37:49,751 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:37:49,751 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147901779]
[2019-11-07 00:37:49,751 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:37:49,771 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:37:49,802 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:37:49,802 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147901779]
[2019-11-07 00:37:49,803 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:37:49,803 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2019-11-07 00:37:49,803 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616952250]
[2019-11-07 00:37:49,803 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 4 states
[2019-11-07 00:37:49,804 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:37:49,804 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2019-11-07 00:37:49,805 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2019-11-07 00:37:49,805 INFO  L87              Difference]: Start difference. First operand 894 states and 1193 transitions. Second operand 4 states.
[2019-11-07 00:37:50,093 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:37:50,094 INFO  L93              Difference]: Finished difference Result 978 states and 1276 transitions.
[2019-11-07 00:37:50,094 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2019-11-07 00:37:50,094 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 52
[2019-11-07 00:37:50,095 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:37:50,098 INFO  L225             Difference]: With dead ends: 978
[2019-11-07 00:37:50,098 INFO  L226             Difference]: Without dead ends: 645
[2019-11-07 00:37:50,100 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2019-11-07 00:37:50,101 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 645 states.
[2019-11-07 00:37:50,136 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 608.
[2019-11-07 00:37:50,137 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 608 states.
[2019-11-07 00:37:50,138 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 786 transitions.
[2019-11-07 00:37:50,139 INFO  L78                 Accepts]: Start accepts. Automaton has 608 states and 786 transitions. Word has length 52
[2019-11-07 00:37:50,139 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:37:50,139 INFO  L462      AbstractCegarLoop]: Abstraction has 608 states and 786 transitions.
[2019-11-07 00:37:50,140 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2019-11-07 00:37:50,140 INFO  L276                IsEmpty]: Start isEmpty. Operand 608 states and 786 transitions.
[2019-11-07 00:37:50,144 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2019-11-07 00:37:50,144 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:37:50,144 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:37:50,145 INFO  L410      AbstractCegarLoop]: === Iteration 19 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:37:50,146 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:37:50,146 INFO  L82        PathProgramCache]: Analyzing trace with hash -489978371, now seen corresponding path program 1 times
[2019-11-07 00:37:50,146 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:37:50,146 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343246767]
[2019-11-07 00:37:50,146 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:37:50,173 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:37:50,214 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:37:50,214 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343246767]
[2019-11-07 00:37:50,215 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:37:50,215 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2019-11-07 00:37:50,215 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065155840]
[2019-11-07 00:37:50,216 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 6 states
[2019-11-07 00:37:50,216 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:37:50,217 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2019-11-07 00:37:50,217 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2019-11-07 00:37:50,217 INFO  L87              Difference]: Start difference. First operand 608 states and 786 transitions. Second operand 6 states.
[2019-11-07 00:37:50,310 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:37:50,310 INFO  L93              Difference]: Finished difference Result 628 states and 806 transitions.
[2019-11-07 00:37:50,311 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2019-11-07 00:37:50,311 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 50
[2019-11-07 00:37:50,311 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:37:50,314 INFO  L225             Difference]: With dead ends: 628
[2019-11-07 00:37:50,314 INFO  L226             Difference]: Without dead ends: 608
[2019-11-07 00:37:50,315 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2019-11-07 00:37:50,316 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 608 states.
[2019-11-07 00:37:50,345 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 608.
[2019-11-07 00:37:50,345 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 608 states.
[2019-11-07 00:37:50,347 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 774 transitions.
[2019-11-07 00:37:50,347 INFO  L78                 Accepts]: Start accepts. Automaton has 608 states and 774 transitions. Word has length 50
[2019-11-07 00:37:50,348 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:37:50,348 INFO  L462      AbstractCegarLoop]: Abstraction has 608 states and 774 transitions.
[2019-11-07 00:37:50,348 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2019-11-07 00:37:50,348 INFO  L276                IsEmpty]: Start isEmpty. Operand 608 states and 774 transitions.
[2019-11-07 00:37:50,349 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2019-11-07 00:37:50,350 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:37:50,350 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:37:50,350 INFO  L410      AbstractCegarLoop]: === Iteration 20 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:37:50,350 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:37:50,350 INFO  L82        PathProgramCache]: Analyzing trace with hash -192140927, now seen corresponding path program 1 times
[2019-11-07 00:37:50,351 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:37:50,351 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324799253]
[2019-11-07 00:37:50,351 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:37:50,368 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:37:50,394 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:37:50,394 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324799253]
[2019-11-07 00:37:50,394 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:37:50,395 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-11-07 00:37:50,395 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647083063]
[2019-11-07 00:37:50,395 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-11-07 00:37:50,395 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:37:50,396 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-11-07 00:37:50,396 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-07 00:37:50,396 INFO  L87              Difference]: Start difference. First operand 608 states and 774 transitions. Second operand 3 states.
[2019-11-07 00:37:50,535 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:37:50,535 INFO  L93              Difference]: Finished difference Result 816 states and 1051 transitions.
[2019-11-07 00:37:50,536 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-11-07 00:37:50,536 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 50
[2019-11-07 00:37:50,536 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:37:50,541 INFO  L225             Difference]: With dead ends: 816
[2019-11-07 00:37:50,541 INFO  L226             Difference]: Without dead ends: 804
[2019-11-07 00:37:50,542 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-07 00:37:50,543 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 804 states.
[2019-11-07 00:37:50,584 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 671.
[2019-11-07 00:37:50,585 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 671 states.
[2019-11-07 00:37:50,587 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 852 transitions.
[2019-11-07 00:37:50,587 INFO  L78                 Accepts]: Start accepts. Automaton has 671 states and 852 transitions. Word has length 50
[2019-11-07 00:37:50,587 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:37:50,588 INFO  L462      AbstractCegarLoop]: Abstraction has 671 states and 852 transitions.
[2019-11-07 00:37:50,588 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-11-07 00:37:50,588 INFO  L276                IsEmpty]: Start isEmpty. Operand 671 states and 852 transitions.
[2019-11-07 00:37:50,589 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2019-11-07 00:37:50,590 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:37:50,590 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:37:50,590 INFO  L410      AbstractCegarLoop]: === Iteration 21 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:37:50,590 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:37:50,590 INFO  L82        PathProgramCache]: Analyzing trace with hash -2014423191, now seen corresponding path program 1 times
[2019-11-07 00:37:50,591 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:37:50,591 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955125245]
[2019-11-07 00:37:50,591 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:37:50,612 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:37:50,666 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:37:50,666 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955125245]
[2019-11-07 00:37:50,667 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:37:50,667 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2019-11-07 00:37:50,667 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263315586]
[2019-11-07 00:37:50,667 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 7 states
[2019-11-07 00:37:50,668 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:37:50,668 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2019-11-07 00:37:50,668 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2019-11-07 00:37:50,668 INFO  L87              Difference]: Start difference. First operand 671 states and 852 transitions. Second operand 7 states.
[2019-11-07 00:37:50,794 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:37:50,794 INFO  L93              Difference]: Finished difference Result 721 states and 906 transitions.
[2019-11-07 00:37:50,794 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2019-11-07 00:37:50,795 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 51
[2019-11-07 00:37:50,795 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:37:50,799 INFO  L225             Difference]: With dead ends: 721
[2019-11-07 00:37:50,799 INFO  L226             Difference]: Without dead ends: 672
[2019-11-07 00:37:50,800 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90
[2019-11-07 00:37:50,801 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 672 states.
[2019-11-07 00:37:50,876 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 659.
[2019-11-07 00:37:50,876 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 659 states.
[2019-11-07 00:37:50,878 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 833 transitions.
[2019-11-07 00:37:50,878 INFO  L78                 Accepts]: Start accepts. Automaton has 659 states and 833 transitions. Word has length 51
[2019-11-07 00:37:50,879 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:37:50,879 INFO  L462      AbstractCegarLoop]: Abstraction has 659 states and 833 transitions.
[2019-11-07 00:37:50,879 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2019-11-07 00:37:50,879 INFO  L276                IsEmpty]: Start isEmpty. Operand 659 states and 833 transitions.
[2019-11-07 00:37:50,880 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2019-11-07 00:37:50,881 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:37:50,881 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:37:50,881 INFO  L410      AbstractCegarLoop]: === Iteration 22 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:37:50,881 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:37:50,881 INFO  L82        PathProgramCache]: Analyzing trace with hash -1090292134, now seen corresponding path program 1 times
[2019-11-07 00:37:50,882 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:37:50,882 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931852956]
[2019-11-07 00:37:50,882 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:37:50,900 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:37:50,939 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:37:50,939 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931852956]
[2019-11-07 00:37:50,939 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:37:50,940 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2019-11-07 00:37:50,940 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199507526]
[2019-11-07 00:37:50,940 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 6 states
[2019-11-07 00:37:50,940 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:37:50,940 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2019-11-07 00:37:50,941 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2019-11-07 00:37:50,941 INFO  L87              Difference]: Start difference. First operand 659 states and 833 transitions. Second operand 6 states.
[2019-11-07 00:37:51,000 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:37:51,000 INFO  L93              Difference]: Finished difference Result 686 states and 864 transitions.
[2019-11-07 00:37:51,001 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2019-11-07 00:37:51,001 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 51
[2019-11-07 00:37:51,001 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:37:51,004 INFO  L225             Difference]: With dead ends: 686
[2019-11-07 00:37:51,005 INFO  L226             Difference]: Without dead ends: 661
[2019-11-07 00:37:51,005 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2019-11-07 00:37:51,007 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 661 states.
[2019-11-07 00:37:51,038 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 661.
[2019-11-07 00:37:51,039 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 661 states.
[2019-11-07 00:37:51,040 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 835 transitions.
[2019-11-07 00:37:51,041 INFO  L78                 Accepts]: Start accepts. Automaton has 661 states and 835 transitions. Word has length 51
[2019-11-07 00:37:51,041 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:37:51,041 INFO  L462      AbstractCegarLoop]: Abstraction has 661 states and 835 transitions.
[2019-11-07 00:37:51,041 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2019-11-07 00:37:51,041 INFO  L276                IsEmpty]: Start isEmpty. Operand 661 states and 835 transitions.
[2019-11-07 00:37:51,043 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2019-11-07 00:37:51,043 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:37:51,043 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:37:51,043 INFO  L410      AbstractCegarLoop]: === Iteration 23 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:37:51,043 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:37:51,044 INFO  L82        PathProgramCache]: Analyzing trace with hash -1208522397, now seen corresponding path program 1 times
[2019-11-07 00:37:51,044 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:37:51,044 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409199656]
[2019-11-07 00:37:51,044 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:37:51,061 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:37:51,114 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:37:51,115 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409199656]
[2019-11-07 00:37:51,115 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:37:51,115 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2019-11-07 00:37:51,115 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016999684]
[2019-11-07 00:37:51,115 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 8 states
[2019-11-07 00:37:51,116 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:37:51,116 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2019-11-07 00:37:51,116 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2019-11-07 00:37:51,116 INFO  L87              Difference]: Start difference. First operand 661 states and 835 transitions. Second operand 8 states.
[2019-11-07 00:37:51,304 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:37:51,304 INFO  L93              Difference]: Finished difference Result 691 states and 869 transitions.
[2019-11-07 00:37:51,304 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2019-11-07 00:37:51,305 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 51
[2019-11-07 00:37:51,305 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:37:51,308 INFO  L225             Difference]: With dead ends: 691
[2019-11-07 00:37:51,309 INFO  L226             Difference]: Without dead ends: 687
[2019-11-07 00:37:51,309 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2019-11-07 00:37:51,311 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 687 states.
[2019-11-07 00:37:51,344 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 679.
[2019-11-07 00:37:51,344 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 679 states.
[2019-11-07 00:37:51,346 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 856 transitions.
[2019-11-07 00:37:51,346 INFO  L78                 Accepts]: Start accepts. Automaton has 679 states and 856 transitions. Word has length 51
[2019-11-07 00:37:51,346 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:37:51,347 INFO  L462      AbstractCegarLoop]: Abstraction has 679 states and 856 transitions.
[2019-11-07 00:37:51,347 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2019-11-07 00:37:51,347 INFO  L276                IsEmpty]: Start isEmpty. Operand 679 states and 856 transitions.
[2019-11-07 00:37:51,348 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2019-11-07 00:37:51,349 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:37:51,349 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:37:51,349 INFO  L410      AbstractCegarLoop]: === Iteration 24 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:37:51,349 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:37:51,349 INFO  L82        PathProgramCache]: Analyzing trace with hash -1208799227, now seen corresponding path program 1 times
[2019-11-07 00:37:51,349 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:37:51,350 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192504089]
[2019-11-07 00:37:51,350 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:37:51,367 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:37:51,421 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:37:51,421 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192504089]
[2019-11-07 00:37:51,422 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:37:51,422 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2019-11-07 00:37:51,422 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968036020]
[2019-11-07 00:37:51,422 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 8 states
[2019-11-07 00:37:51,423 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:37:51,423 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2019-11-07 00:37:51,423 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2019-11-07 00:37:51,423 INFO  L87              Difference]: Start difference. First operand 679 states and 856 transitions. Second operand 8 states.
[2019-11-07 00:37:51,535 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:37:51,535 INFO  L93              Difference]: Finished difference Result 1079 states and 1387 transitions.
[2019-11-07 00:37:51,536 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2019-11-07 00:37:51,536 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 51
[2019-11-07 00:37:51,536 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:37:51,540 INFO  L225             Difference]: With dead ends: 1079
[2019-11-07 00:37:51,540 INFO  L226             Difference]: Without dead ends: 722
[2019-11-07 00:37:51,544 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90
[2019-11-07 00:37:51,545 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 722 states.
[2019-11-07 00:37:51,579 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 705.
[2019-11-07 00:37:51,580 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 705 states.
[2019-11-07 00:37:51,582 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 900 transitions.
[2019-11-07 00:37:51,582 INFO  L78                 Accepts]: Start accepts. Automaton has 705 states and 900 transitions. Word has length 51
[2019-11-07 00:37:51,583 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:37:51,583 INFO  L462      AbstractCegarLoop]: Abstraction has 705 states and 900 transitions.
[2019-11-07 00:37:51,583 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2019-11-07 00:37:51,583 INFO  L276                IsEmpty]: Start isEmpty. Operand 705 states and 900 transitions.
[2019-11-07 00:37:51,585 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2019-11-07 00:37:51,585 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:37:51,585 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:37:51,585 INFO  L410      AbstractCegarLoop]: === Iteration 25 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:37:51,586 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:37:51,586 INFO  L82        PathProgramCache]: Analyzing trace with hash 987376175, now seen corresponding path program 1 times
[2019-11-07 00:37:51,586 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:37:51,586 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730817640]
[2019-11-07 00:37:51,586 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:37:51,607 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:37:51,853 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:37:51,853 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730817640]
[2019-11-07 00:37:51,854 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:37:51,854 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15
[2019-11-07 00:37:51,854 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598207952]
[2019-11-07 00:37:51,855 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 15 states
[2019-11-07 00:37:51,855 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:37:51,855 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2019-11-07 00:37:51,856 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210
[2019-11-07 00:37:51,856 INFO  L87              Difference]: Start difference. First operand 705 states and 900 transitions. Second operand 15 states.
[2019-11-07 00:37:55,164 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:37:55,165 INFO  L93              Difference]: Finished difference Result 1101 states and 1422 transitions.
[2019-11-07 00:37:55,168 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2019-11-07 00:37:55,168 INFO  L78                 Accepts]: Start accepts. Automaton has 15 states. Word has length 52
[2019-11-07 00:37:55,169 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:37:55,173 INFO  L225             Difference]: With dead ends: 1101
[2019-11-07 00:37:55,173 INFO  L226             Difference]: Without dead ends: 851
[2019-11-07 00:37:55,175 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=125, Invalid=805, Unknown=0, NotChecked=0, Total=930
[2019-11-07 00:37:55,176 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 851 states.
[2019-11-07 00:37:55,218 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 716.
[2019-11-07 00:37:55,218 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 716 states.
[2019-11-07 00:37:55,220 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 915 transitions.
[2019-11-07 00:37:55,220 INFO  L78                 Accepts]: Start accepts. Automaton has 716 states and 915 transitions. Word has length 52
[2019-11-07 00:37:55,220 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:37:55,220 INFO  L462      AbstractCegarLoop]: Abstraction has 716 states and 915 transitions.
[2019-11-07 00:37:55,221 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 15 states.
[2019-11-07 00:37:55,221 INFO  L276                IsEmpty]: Start isEmpty. Operand 716 states and 915 transitions.
[2019-11-07 00:37:55,222 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2019-11-07 00:37:55,222 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:37:55,223 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:37:55,223 INFO  L410      AbstractCegarLoop]: === Iteration 26 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:37:55,223 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:37:55,223 INFO  L82        PathProgramCache]: Analyzing trace with hash -1519216017, now seen corresponding path program 1 times
[2019-11-07 00:37:55,223 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:37:55,223 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254641916]
[2019-11-07 00:37:55,224 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:37:55,242 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:37:55,367 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:37:55,367 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254641916]
[2019-11-07 00:37:55,367 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:37:55,367 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2019-11-07 00:37:55,368 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568034161]
[2019-11-07 00:37:55,368 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 10 states
[2019-11-07 00:37:55,368 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:37:55,368 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2019-11-07 00:37:55,369 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90
[2019-11-07 00:37:55,369 INFO  L87              Difference]: Start difference. First operand 716 states and 915 transitions. Second operand 10 states.
[2019-11-07 00:37:57,614 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:37:57,615 INFO  L93              Difference]: Finished difference Result 921 states and 1198 transitions.
[2019-11-07 00:37:57,615 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2019-11-07 00:37:57,615 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 52
[2019-11-07 00:37:57,615 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:37:57,620 INFO  L225             Difference]: With dead ends: 921
[2019-11-07 00:37:57,621 INFO  L226             Difference]: Without dead ends: 905
[2019-11-07 00:37:57,622 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342
[2019-11-07 00:37:57,623 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 905 states.
[2019-11-07 00:37:57,662 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 730.
[2019-11-07 00:37:57,663 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 730 states.
[2019-11-07 00:37:57,665 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 928 transitions.
[2019-11-07 00:37:57,665 INFO  L78                 Accepts]: Start accepts. Automaton has 730 states and 928 transitions. Word has length 52
[2019-11-07 00:37:57,665 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:37:57,665 INFO  L462      AbstractCegarLoop]: Abstraction has 730 states and 928 transitions.
[2019-11-07 00:37:57,666 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2019-11-07 00:37:57,666 INFO  L276                IsEmpty]: Start isEmpty. Operand 730 states and 928 transitions.
[2019-11-07 00:37:57,667 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2019-11-07 00:37:57,668 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:37:57,668 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:37:57,668 INFO  L410      AbstractCegarLoop]: === Iteration 27 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:37:57,668 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:37:57,668 INFO  L82        PathProgramCache]: Analyzing trace with hash -581698746, now seen corresponding path program 1 times
[2019-11-07 00:37:57,669 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:37:57,669 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242312202]
[2019-11-07 00:37:57,669 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:37:57,686 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:37:57,714 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:37:57,714 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242312202]
[2019-11-07 00:37:57,714 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:37:57,715 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-11-07 00:37:57,715 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250571867]
[2019-11-07 00:37:57,715 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-11-07 00:37:57,715 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:37:57,715 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-11-07 00:37:57,716 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-07 00:37:57,716 INFO  L87              Difference]: Start difference. First operand 730 states and 928 transitions. Second operand 3 states.
[2019-11-07 00:37:57,902 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:37:57,902 INFO  L93              Difference]: Finished difference Result 974 states and 1255 transitions.
[2019-11-07 00:37:57,903 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-11-07 00:37:57,903 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 52
[2019-11-07 00:37:57,903 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:37:57,908 INFO  L225             Difference]: With dead ends: 974
[2019-11-07 00:37:57,909 INFO  L226             Difference]: Without dead ends: 944
[2019-11-07 00:37:57,910 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-07 00:37:57,912 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 944 states.
[2019-11-07 00:37:57,958 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 802.
[2019-11-07 00:37:57,958 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 802 states.
[2019-11-07 00:37:57,960 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 1021 transitions.
[2019-11-07 00:37:57,961 INFO  L78                 Accepts]: Start accepts. Automaton has 802 states and 1021 transitions. Word has length 52
[2019-11-07 00:37:57,963 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:37:57,963 INFO  L462      AbstractCegarLoop]: Abstraction has 802 states and 1021 transitions.
[2019-11-07 00:37:57,963 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-11-07 00:37:57,963 INFO  L276                IsEmpty]: Start isEmpty. Operand 802 states and 1021 transitions.
[2019-11-07 00:37:57,965 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2019-11-07 00:37:57,965 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:37:57,965 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:37:57,966 INFO  L410      AbstractCegarLoop]: === Iteration 28 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:37:57,966 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:37:57,966 INFO  L82        PathProgramCache]: Analyzing trace with hash -724978104, now seen corresponding path program 1 times
[2019-11-07 00:37:57,966 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:37:57,966 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313618625]
[2019-11-07 00:37:57,966 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:37:57,997 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:37:58,051 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:37:58,052 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313618625]
[2019-11-07 00:37:58,052 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:37:58,052 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2019-11-07 00:37:58,053 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605262515]
[2019-11-07 00:37:58,053 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 7 states
[2019-11-07 00:37:58,053 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:37:58,053 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2019-11-07 00:37:58,054 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2019-11-07 00:37:58,054 INFO  L87              Difference]: Start difference. First operand 802 states and 1021 transitions. Second operand 7 states.
[2019-11-07 00:37:58,804 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:37:58,804 INFO  L93              Difference]: Finished difference Result 866 states and 1102 transitions.
[2019-11-07 00:37:58,804 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2019-11-07 00:37:58,805 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 52
[2019-11-07 00:37:58,805 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:37:58,809 INFO  L225             Difference]: With dead ends: 866
[2019-11-07 00:37:58,809 INFO  L226             Difference]: Without dead ends: 760
[2019-11-07 00:37:58,810 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182
[2019-11-07 00:37:58,811 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 760 states.
[2019-11-07 00:37:58,851 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 742.
[2019-11-07 00:37:58,851 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 742 states.
[2019-11-07 00:37:58,853 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 938 transitions.
[2019-11-07 00:37:58,854 INFO  L78                 Accepts]: Start accepts. Automaton has 742 states and 938 transitions. Word has length 52
[2019-11-07 00:37:58,854 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:37:58,854 INFO  L462      AbstractCegarLoop]: Abstraction has 742 states and 938 transitions.
[2019-11-07 00:37:58,854 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2019-11-07 00:37:58,854 INFO  L276                IsEmpty]: Start isEmpty. Operand 742 states and 938 transitions.
[2019-11-07 00:37:58,856 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2019-11-07 00:37:58,856 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:37:58,856 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:37:58,856 INFO  L410      AbstractCegarLoop]: === Iteration 29 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:37:58,857 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:37:58,857 INFO  L82        PathProgramCache]: Analyzing trace with hash 44639785, now seen corresponding path program 1 times
[2019-11-07 00:37:58,857 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:37:58,857 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55659788]
[2019-11-07 00:37:58,857 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:37:58,881 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:37:58,912 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:37:58,913 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55659788]
[2019-11-07 00:37:58,913 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:37:58,913 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-11-07 00:37:58,914 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729537194]
[2019-11-07 00:37:58,914 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-11-07 00:37:58,914 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:37:58,915 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-11-07 00:37:58,915 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-07 00:37:58,915 INFO  L87              Difference]: Start difference. First operand 742 states and 938 transitions. Second operand 3 states.
[2019-11-07 00:37:58,996 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:37:58,996 INFO  L93              Difference]: Finished difference Result 1040 states and 1327 transitions.
[2019-11-07 00:37:58,997 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-11-07 00:37:58,997 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 58
[2019-11-07 00:37:58,997 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:37:59,002 INFO  L225             Difference]: With dead ends: 1040
[2019-11-07 00:37:59,002 INFO  L226             Difference]: Without dead ends: 742
[2019-11-07 00:37:59,005 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-07 00:37:59,007 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 742 states.
[2019-11-07 00:37:59,053 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 742.
[2019-11-07 00:37:59,054 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 742 states.
[2019-11-07 00:37:59,056 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 936 transitions.
[2019-11-07 00:37:59,056 INFO  L78                 Accepts]: Start accepts. Automaton has 742 states and 936 transitions. Word has length 58
[2019-11-07 00:37:59,056 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:37:59,057 INFO  L462      AbstractCegarLoop]: Abstraction has 742 states and 936 transitions.
[2019-11-07 00:37:59,057 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-11-07 00:37:59,057 INFO  L276                IsEmpty]: Start isEmpty. Operand 742 states and 936 transitions.
[2019-11-07 00:37:59,058 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 55
[2019-11-07 00:37:59,059 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:37:59,059 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:37:59,059 INFO  L410      AbstractCegarLoop]: === Iteration 30 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:37:59,059 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:37:59,059 INFO  L82        PathProgramCache]: Analyzing trace with hash 1295429258, now seen corresponding path program 1 times
[2019-11-07 00:37:59,060 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:37:59,060 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226965438]
[2019-11-07 00:37:59,060 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:37:59,090 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:37:59,225 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:37:59,225 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226965438]
[2019-11-07 00:37:59,226 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:37:59,227 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2019-11-07 00:37:59,227 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222843644]
[2019-11-07 00:37:59,227 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 11 states
[2019-11-07 00:37:59,227 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:37:59,228 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2019-11-07 00:37:59,228 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110
[2019-11-07 00:37:59,228 INFO  L87              Difference]: Start difference. First operand 742 states and 936 transitions. Second operand 11 states.
[2019-11-07 00:38:00,287 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:38:00,288 INFO  L93              Difference]: Finished difference Result 1091 states and 1402 transitions.
[2019-11-07 00:38:00,288 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2019-11-07 00:38:00,288 INFO  L78                 Accepts]: Start accepts. Automaton has 11 states. Word has length 54
[2019-11-07 00:38:00,289 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:38:00,292 INFO  L225             Difference]: With dead ends: 1091
[2019-11-07 00:38:00,292 INFO  L226             Difference]: Without dead ends: 781
[2019-11-07 00:38:00,294 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342
[2019-11-07 00:38:00,296 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 781 states.
[2019-11-07 00:38:00,334 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 748.
[2019-11-07 00:38:00,335 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 748 states.
[2019-11-07 00:38:00,337 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 945 transitions.
[2019-11-07 00:38:00,337 INFO  L78                 Accepts]: Start accepts. Automaton has 748 states and 945 transitions. Word has length 54
[2019-11-07 00:38:00,337 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:38:00,338 INFO  L462      AbstractCegarLoop]: Abstraction has 748 states and 945 transitions.
[2019-11-07 00:38:00,338 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 11 states.
[2019-11-07 00:38:00,338 INFO  L276                IsEmpty]: Start isEmpty. Operand 748 states and 945 transitions.
[2019-11-07 00:38:00,341 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 55
[2019-11-07 00:38:00,341 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:38:00,341 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:38:00,342 INFO  L410      AbstractCegarLoop]: === Iteration 31 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:38:00,342 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:38:00,342 INFO  L82        PathProgramCache]: Analyzing trace with hash 1936985802, now seen corresponding path program 1 times
[2019-11-07 00:38:00,342 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:38:00,342 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172774905]
[2019-11-07 00:38:00,342 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:38:00,360 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:38:00,405 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:38:00,405 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172774905]
[2019-11-07 00:38:00,406 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:38:00,406 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2019-11-07 00:38:00,406 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107373986]
[2019-11-07 00:38:00,406 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 5 states
[2019-11-07 00:38:00,407 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:38:00,407 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2019-11-07 00:38:00,410 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-11-07 00:38:00,411 INFO  L87              Difference]: Start difference. First operand 748 states and 945 transitions. Second operand 5 states.
[2019-11-07 00:38:00,884 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:38:00,884 INFO  L93              Difference]: Finished difference Result 837 states and 1056 transitions.
[2019-11-07 00:38:00,884 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2019-11-07 00:38:00,884 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 54
[2019-11-07 00:38:00,885 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:38:00,888 INFO  L225             Difference]: With dead ends: 837
[2019-11-07 00:38:00,888 INFO  L226             Difference]: Without dead ends: 819
[2019-11-07 00:38:00,889 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2019-11-07 00:38:00,890 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 819 states.
[2019-11-07 00:38:00,928 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 743.
[2019-11-07 00:38:00,929 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 743 states.
[2019-11-07 00:38:00,930 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 935 transitions.
[2019-11-07 00:38:00,931 INFO  L78                 Accepts]: Start accepts. Automaton has 743 states and 935 transitions. Word has length 54
[2019-11-07 00:38:00,931 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:38:00,931 INFO  L462      AbstractCegarLoop]: Abstraction has 743 states and 935 transitions.
[2019-11-07 00:38:00,931 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2019-11-07 00:38:00,931 INFO  L276                IsEmpty]: Start isEmpty. Operand 743 states and 935 transitions.
[2019-11-07 00:38:00,933 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 56
[2019-11-07 00:38:00,933 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:38:00,934 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:38:00,934 INFO  L410      AbstractCegarLoop]: === Iteration 32 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:38:00,934 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:38:00,934 INFO  L82        PathProgramCache]: Analyzing trace with hash -88385251, now seen corresponding path program 1 times
[2019-11-07 00:38:00,935 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:38:00,937 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769134042]
[2019-11-07 00:38:00,937 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:38:00,955 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:38:01,011 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:38:01,012 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769134042]
[2019-11-07 00:38:01,012 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:38:01,012 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2019-11-07 00:38:01,012 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266266443]
[2019-11-07 00:38:01,013 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 8 states
[2019-11-07 00:38:01,013 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:38:01,013 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2019-11-07 00:38:01,013 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2019-11-07 00:38:01,013 INFO  L87              Difference]: Start difference. First operand 743 states and 935 transitions. Second operand 8 states.
[2019-11-07 00:38:01,088 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:38:01,088 INFO  L93              Difference]: Finished difference Result 756 states and 947 transitions.
[2019-11-07 00:38:01,088 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2019-11-07 00:38:01,088 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 55
[2019-11-07 00:38:01,089 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:38:01,092 INFO  L225             Difference]: With dead ends: 756
[2019-11-07 00:38:01,092 INFO  L226             Difference]: Without dead ends: 728
[2019-11-07 00:38:01,094 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2019-11-07 00:38:01,095 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 728 states.
[2019-11-07 00:38:01,170 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 728.
[2019-11-07 00:38:01,171 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 728 states.
[2019-11-07 00:38:01,173 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 916 transitions.
[2019-11-07 00:38:01,173 INFO  L78                 Accepts]: Start accepts. Automaton has 728 states and 916 transitions. Word has length 55
[2019-11-07 00:38:01,173 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:38:01,173 INFO  L462      AbstractCegarLoop]: Abstraction has 728 states and 916 transitions.
[2019-11-07 00:38:01,174 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2019-11-07 00:38:01,174 INFO  L276                IsEmpty]: Start isEmpty. Operand 728 states and 916 transitions.
[2019-11-07 00:38:01,175 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 57
[2019-11-07 00:38:01,175 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:38:01,175 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:38:01,176 INFO  L410      AbstractCegarLoop]: === Iteration 33 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:38:01,176 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:38:01,176 INFO  L82        PathProgramCache]: Analyzing trace with hash -1842434508, now seen corresponding path program 1 times
[2019-11-07 00:38:01,176 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:38:01,176 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826973497]
[2019-11-07 00:38:01,176 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:38:01,190 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:38:01,241 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:38:01,241 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826973497]
[2019-11-07 00:38:01,242 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:38:01,242 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2019-11-07 00:38:01,242 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483464472]
[2019-11-07 00:38:01,242 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 8 states
[2019-11-07 00:38:01,242 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:38:01,243 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2019-11-07 00:38:01,243 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2019-11-07 00:38:01,243 INFO  L87              Difference]: Start difference. First operand 728 states and 916 transitions. Second operand 8 states.
[2019-11-07 00:38:01,397 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:38:01,397 INFO  L93              Difference]: Finished difference Result 751 states and 939 transitions.
[2019-11-07 00:38:01,397 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2019-11-07 00:38:01,397 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 56
[2019-11-07 00:38:01,398 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:38:01,401 INFO  L225             Difference]: With dead ends: 751
[2019-11-07 00:38:01,401 INFO  L226             Difference]: Without dead ends: 723
[2019-11-07 00:38:01,402 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2019-11-07 00:38:01,403 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 723 states.
[2019-11-07 00:38:01,437 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 723.
[2019-11-07 00:38:01,437 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 723 states.
[2019-11-07 00:38:01,439 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 908 transitions.
[2019-11-07 00:38:01,439 INFO  L78                 Accepts]: Start accepts. Automaton has 723 states and 908 transitions. Word has length 56
[2019-11-07 00:38:01,439 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:38:01,439 INFO  L462      AbstractCegarLoop]: Abstraction has 723 states and 908 transitions.
[2019-11-07 00:38:01,440 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2019-11-07 00:38:01,440 INFO  L276                IsEmpty]: Start isEmpty. Operand 723 states and 908 transitions.
[2019-11-07 00:38:01,441 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2019-11-07 00:38:01,441 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:38:01,442 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:38:01,442 INFO  L410      AbstractCegarLoop]: === Iteration 34 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:38:01,442 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:38:01,442 INFO  L82        PathProgramCache]: Analyzing trace with hash 407710022, now seen corresponding path program 1 times
[2019-11-07 00:38:01,442 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:38:01,443 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687506567]
[2019-11-07 00:38:01,443 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:38:01,468 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:38:01,570 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:38:01,571 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687506567]
[2019-11-07 00:38:01,571 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:38:01,571 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2019-11-07 00:38:01,571 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671802404]
[2019-11-07 00:38:01,572 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 5 states
[2019-11-07 00:38:01,572 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:38:01,572 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2019-11-07 00:38:01,573 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-11-07 00:38:01,573 INFO  L87              Difference]: Start difference. First operand 723 states and 908 transitions. Second operand 5 states.
[2019-11-07 00:38:01,638 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:38:01,638 INFO  L93              Difference]: Finished difference Result 982 states and 1245 transitions.
[2019-11-07 00:38:01,638 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2019-11-07 00:38:01,639 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 64
[2019-11-07 00:38:01,639 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:38:01,651 INFO  L225             Difference]: With dead ends: 982
[2019-11-07 00:38:01,651 INFO  L226             Difference]: Without dead ends: 665
[2019-11-07 00:38:01,653 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-11-07 00:38:01,655 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 665 states.
[2019-11-07 00:38:01,704 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 665.
[2019-11-07 00:38:01,704 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 665 states.
[2019-11-07 00:38:01,706 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 824 transitions.
[2019-11-07 00:38:01,706 INFO  L78                 Accepts]: Start accepts. Automaton has 665 states and 824 transitions. Word has length 64
[2019-11-07 00:38:01,707 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:38:01,707 INFO  L462      AbstractCegarLoop]: Abstraction has 665 states and 824 transitions.
[2019-11-07 00:38:01,707 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2019-11-07 00:38:01,707 INFO  L276                IsEmpty]: Start isEmpty. Operand 665 states and 824 transitions.
[2019-11-07 00:38:01,710 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 61
[2019-11-07 00:38:01,710 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:38:01,710 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:38:01,710 INFO  L410      AbstractCegarLoop]: === Iteration 35 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:38:01,710 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:38:01,711 INFO  L82        PathProgramCache]: Analyzing trace with hash 727993337, now seen corresponding path program 1 times
[2019-11-07 00:38:01,711 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:38:01,711 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981695901]
[2019-11-07 00:38:01,711 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:38:01,733 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:38:01,775 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:38:01,776 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981695901]
[2019-11-07 00:38:01,776 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:38:01,776 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2019-11-07 00:38:01,776 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569857957]
[2019-11-07 00:38:01,777 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 6 states
[2019-11-07 00:38:01,777 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:38:01,777 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2019-11-07 00:38:01,777 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2019-11-07 00:38:01,778 INFO  L87              Difference]: Start difference. First operand 665 states and 824 transitions. Second operand 6 states.
[2019-11-07 00:38:01,866 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:38:01,866 INFO  L93              Difference]: Finished difference Result 696 states and 855 transitions.
[2019-11-07 00:38:01,866 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2019-11-07 00:38:01,867 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 60
[2019-11-07 00:38:01,867 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:38:01,871 INFO  L225             Difference]: With dead ends: 696
[2019-11-07 00:38:01,871 INFO  L226             Difference]: Without dead ends: 672
[2019-11-07 00:38:01,872 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2019-11-07 00:38:01,873 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 672 states.
[2019-11-07 00:38:01,911 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 660.
[2019-11-07 00:38:01,911 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 660 states.
[2019-11-07 00:38:01,913 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 818 transitions.
[2019-11-07 00:38:01,913 INFO  L78                 Accepts]: Start accepts. Automaton has 660 states and 818 transitions. Word has length 60
[2019-11-07 00:38:01,913 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:38:01,913 INFO  L462      AbstractCegarLoop]: Abstraction has 660 states and 818 transitions.
[2019-11-07 00:38:01,913 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2019-11-07 00:38:01,913 INFO  L276                IsEmpty]: Start isEmpty. Operand 660 states and 818 transitions.
[2019-11-07 00:38:01,915 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2019-11-07 00:38:01,915 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:38:01,915 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:38:01,916 INFO  L410      AbstractCegarLoop]: === Iteration 36 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:38:01,916 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:38:01,916 INFO  L82        PathProgramCache]: Analyzing trace with hash -1568169683, now seen corresponding path program 1 times
[2019-11-07 00:38:01,916 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:38:01,916 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459840543]
[2019-11-07 00:38:01,917 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:38:01,942 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:38:01,989 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:38:01,990 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459840543]
[2019-11-07 00:38:01,990 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:38:01,990 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2019-11-07 00:38:01,990 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888984582]
[2019-11-07 00:38:01,991 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 5 states
[2019-11-07 00:38:01,991 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:38:01,991 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2019-11-07 00:38:01,991 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-11-07 00:38:01,991 INFO  L87              Difference]: Start difference. First operand 660 states and 818 transitions. Second operand 5 states.
[2019-11-07 00:38:02,278 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:38:02,278 INFO  L93              Difference]: Finished difference Result 919 states and 1148 transitions.
[2019-11-07 00:38:02,278 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2019-11-07 00:38:02,278 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 68
[2019-11-07 00:38:02,279 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:38:02,283 INFO  L225             Difference]: With dead ends: 919
[2019-11-07 00:38:02,283 INFO  L226             Difference]: Without dead ends: 660
[2019-11-07 00:38:02,285 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2019-11-07 00:38:02,286 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 660 states.
[2019-11-07 00:38:02,323 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 660.
[2019-11-07 00:38:02,323 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 660 states.
[2019-11-07 00:38:02,325 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 816 transitions.
[2019-11-07 00:38:02,325 INFO  L78                 Accepts]: Start accepts. Automaton has 660 states and 816 transitions. Word has length 68
[2019-11-07 00:38:02,325 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:38:02,325 INFO  L462      AbstractCegarLoop]: Abstraction has 660 states and 816 transitions.
[2019-11-07 00:38:02,325 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2019-11-07 00:38:02,326 INFO  L276                IsEmpty]: Start isEmpty. Operand 660 states and 816 transitions.
[2019-11-07 00:38:02,327 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 62
[2019-11-07 00:38:02,328 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:38:02,328 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:38:02,328 INFO  L410      AbstractCegarLoop]: === Iteration 37 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:38:02,328 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:38:02,328 INFO  L82        PathProgramCache]: Analyzing trace with hash 1688753324, now seen corresponding path program 1 times
[2019-11-07 00:38:02,328 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:38:02,329 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836817060]
[2019-11-07 00:38:02,329 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:38:02,345 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:38:02,404 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:38:02,404 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836817060]
[2019-11-07 00:38:02,404 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:38:02,405 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2019-11-07 00:38:02,405 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950551800]
[2019-11-07 00:38:02,405 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 9 states
[2019-11-07 00:38:02,405 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:38:02,406 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2019-11-07 00:38:02,406 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72
[2019-11-07 00:38:02,406 INFO  L87              Difference]: Start difference. First operand 660 states and 816 transitions. Second operand 9 states.
[2019-11-07 00:38:02,639 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:38:02,639 INFO  L93              Difference]: Finished difference Result 689 states and 847 transitions.
[2019-11-07 00:38:02,639 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2019-11-07 00:38:02,640 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 61
[2019-11-07 00:38:02,640 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:38:02,642 INFO  L225             Difference]: With dead ends: 689
[2019-11-07 00:38:02,642 INFO  L226             Difference]: Without dead ends: 655
[2019-11-07 00:38:02,643 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110
[2019-11-07 00:38:02,644 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 655 states.
[2019-11-07 00:38:02,681 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 655.
[2019-11-07 00:38:02,682 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 655 states.
[2019-11-07 00:38:02,683 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 808 transitions.
[2019-11-07 00:38:02,683 INFO  L78                 Accepts]: Start accepts. Automaton has 655 states and 808 transitions. Word has length 61
[2019-11-07 00:38:02,684 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:38:02,684 INFO  L462      AbstractCegarLoop]: Abstraction has 655 states and 808 transitions.
[2019-11-07 00:38:02,684 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2019-11-07 00:38:02,684 INFO  L276                IsEmpty]: Start isEmpty. Operand 655 states and 808 transitions.
[2019-11-07 00:38:02,685 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 64
[2019-11-07 00:38:02,686 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:38:02,686 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:38:02,686 INFO  L410      AbstractCegarLoop]: === Iteration 38 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:38:02,686 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:38:02,686 INFO  L82        PathProgramCache]: Analyzing trace with hash 1152303328, now seen corresponding path program 1 times
[2019-11-07 00:38:02,687 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:38:02,687 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493062988]
[2019-11-07 00:38:02,687 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:38:02,708 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:38:02,744 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:38:02,745 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493062988]
[2019-11-07 00:38:02,745 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:38:02,745 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2019-11-07 00:38:02,745 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635298238]
[2019-11-07 00:38:02,746 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 5 states
[2019-11-07 00:38:02,746 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:38:02,746 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2019-11-07 00:38:02,746 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-11-07 00:38:02,746 INFO  L87              Difference]: Start difference. First operand 655 states and 808 transitions. Second operand 5 states.
[2019-11-07 00:38:02,794 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:38:02,794 INFO  L93              Difference]: Finished difference Result 778 states and 953 transitions.
[2019-11-07 00:38:02,795 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2019-11-07 00:38:02,795 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 63
[2019-11-07 00:38:02,795 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:38:02,797 INFO  L225             Difference]: With dead ends: 778
[2019-11-07 00:38:02,797 INFO  L226             Difference]: Without dead ends: 661
[2019-11-07 00:38:02,798 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-11-07 00:38:02,799 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 661 states.
[2019-11-07 00:38:02,832 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 659.
[2019-11-07 00:38:02,832 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 659 states.
[2019-11-07 00:38:02,834 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 812 transitions.
[2019-11-07 00:38:02,834 INFO  L78                 Accepts]: Start accepts. Automaton has 659 states and 812 transitions. Word has length 63
[2019-11-07 00:38:02,834 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:38:02,834 INFO  L462      AbstractCegarLoop]: Abstraction has 659 states and 812 transitions.
[2019-11-07 00:38:02,834 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2019-11-07 00:38:02,835 INFO  L276                IsEmpty]: Start isEmpty. Operand 659 states and 812 transitions.
[2019-11-07 00:38:02,836 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 64
[2019-11-07 00:38:02,836 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:38:02,836 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:38:02,837 INFO  L410      AbstractCegarLoop]: === Iteration 39 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:38:02,837 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:38:02,837 INFO  L82        PathProgramCache]: Analyzing trace with hash -862866401, now seen corresponding path program 1 times
[2019-11-07 00:38:02,837 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:38:02,837 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285925093]
[2019-11-07 00:38:02,838 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:38:02,856 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:38:02,917 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:38:02,917 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285925093]
[2019-11-07 00:38:02,917 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:38:02,917 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2019-11-07 00:38:02,917 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441957557]
[2019-11-07 00:38:02,918 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 9 states
[2019-11-07 00:38:02,918 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:38:02,918 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2019-11-07 00:38:02,918 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72
[2019-11-07 00:38:02,918 INFO  L87              Difference]: Start difference. First operand 659 states and 812 transitions. Second operand 9 states.
[2019-11-07 00:38:03,009 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:38:03,009 INFO  L93              Difference]: Finished difference Result 896 states and 1085 transitions.
[2019-11-07 00:38:03,009 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2019-11-07 00:38:03,010 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 63
[2019-11-07 00:38:03,010 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:38:03,012 INFO  L225             Difference]: With dead ends: 896
[2019-11-07 00:38:03,012 INFO  L226             Difference]: Without dead ends: 661
[2019-11-07 00:38:03,015 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110
[2019-11-07 00:38:03,016 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 661 states.
[2019-11-07 00:38:03,048 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 659.
[2019-11-07 00:38:03,049 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 659 states.
[2019-11-07 00:38:03,050 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 811 transitions.
[2019-11-07 00:38:03,050 INFO  L78                 Accepts]: Start accepts. Automaton has 659 states and 811 transitions. Word has length 63
[2019-11-07 00:38:03,051 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:38:03,051 INFO  L462      AbstractCegarLoop]: Abstraction has 659 states and 811 transitions.
[2019-11-07 00:38:03,051 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2019-11-07 00:38:03,051 INFO  L276                IsEmpty]: Start isEmpty. Operand 659 states and 811 transitions.
[2019-11-07 00:38:03,053 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2019-11-07 00:38:03,053 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:38:03,053 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:38:03,053 INFO  L410      AbstractCegarLoop]: === Iteration 40 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:38:03,054 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:38:03,054 INFO  L82        PathProgramCache]: Analyzing trace with hash -1439197500, now seen corresponding path program 1 times
[2019-11-07 00:38:03,054 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:38:03,054 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392084631]
[2019-11-07 00:38:03,054 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:38:03,074 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:38:03,130 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:38:03,130 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392084631]
[2019-11-07 00:38:03,131 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:38:03,131 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2019-11-07 00:38:03,131 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867000198]
[2019-11-07 00:38:03,131 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 9 states
[2019-11-07 00:38:03,131 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:38:03,132 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2019-11-07 00:38:03,132 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72
[2019-11-07 00:38:03,132 INFO  L87              Difference]: Start difference. First operand 659 states and 811 transitions. Second operand 9 states.
[2019-11-07 00:38:03,364 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:38:03,364 INFO  L93              Difference]: Finished difference Result 688 states and 842 transitions.
[2019-11-07 00:38:03,365 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2019-11-07 00:38:03,365 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 62
[2019-11-07 00:38:03,365 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:38:03,369 INFO  L225             Difference]: With dead ends: 688
[2019-11-07 00:38:03,370 INFO  L226             Difference]: Without dead ends: 653
[2019-11-07 00:38:03,373 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110
[2019-11-07 00:38:03,375 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 653 states.
[2019-11-07 00:38:03,422 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 653.
[2019-11-07 00:38:03,423 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 653 states.
[2019-11-07 00:38:03,425 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 802 transitions.
[2019-11-07 00:38:03,425 INFO  L78                 Accepts]: Start accepts. Automaton has 653 states and 802 transitions. Word has length 62
[2019-11-07 00:38:03,426 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:38:03,426 INFO  L462      AbstractCegarLoop]: Abstraction has 653 states and 802 transitions.
[2019-11-07 00:38:03,426 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2019-11-07 00:38:03,426 INFO  L276                IsEmpty]: Start isEmpty. Operand 653 states and 802 transitions.
[2019-11-07 00:38:03,429 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2019-11-07 00:38:03,429 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:38:03,429 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:38:03,430 INFO  L410      AbstractCegarLoop]: === Iteration 41 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:38:03,430 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:38:03,430 INFO  L82        PathProgramCache]: Analyzing trace with hash 607542358, now seen corresponding path program 1 times
[2019-11-07 00:38:03,430 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:38:03,431 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792952224]
[2019-11-07 00:38:03,431 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:38:03,452 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:38:03,537 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:38:03,537 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792952224]
[2019-11-07 00:38:03,537 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:38:03,538 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2019-11-07 00:38:03,538 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934370650]
[2019-11-07 00:38:03,539 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 9 states
[2019-11-07 00:38:03,539 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:38:03,540 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2019-11-07 00:38:03,540 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72
[2019-11-07 00:38:03,540 INFO  L87              Difference]: Start difference. First operand 653 states and 802 transitions. Second operand 9 states.
[2019-11-07 00:38:03,786 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:38:03,786 INFO  L93              Difference]: Finished difference Result 682 states and 833 transitions.
[2019-11-07 00:38:03,786 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2019-11-07 00:38:03,786 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 62
[2019-11-07 00:38:03,787 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:38:03,789 INFO  L225             Difference]: With dead ends: 682
[2019-11-07 00:38:03,790 INFO  L226             Difference]: Without dead ends: 648
[2019-11-07 00:38:03,790 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110
[2019-11-07 00:38:03,791 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 648 states.
[2019-11-07 00:38:03,827 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 648.
[2019-11-07 00:38:03,827 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 648 states.
[2019-11-07 00:38:03,829 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 794 transitions.
[2019-11-07 00:38:03,829 INFO  L78                 Accepts]: Start accepts. Automaton has 648 states and 794 transitions. Word has length 62
[2019-11-07 00:38:03,829 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:38:03,829 INFO  L462      AbstractCegarLoop]: Abstraction has 648 states and 794 transitions.
[2019-11-07 00:38:03,830 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2019-11-07 00:38:03,830 INFO  L276                IsEmpty]: Start isEmpty. Operand 648 states and 794 transitions.
[2019-11-07 00:38:03,831 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 64
[2019-11-07 00:38:03,831 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:38:03,832 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:38:03,832 INFO  L410      AbstractCegarLoop]: === Iteration 42 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:38:03,832 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:38:03,832 INFO  L82        PathProgramCache]: Analyzing trace with hash 500831766, now seen corresponding path program 1 times
[2019-11-07 00:38:03,832 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:38:03,832 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829189378]
[2019-11-07 00:38:03,833 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:38:03,850 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:38:03,906 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:38:03,907 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829189378]
[2019-11-07 00:38:03,907 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:38:03,907 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2019-11-07 00:38:03,907 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819328787]
[2019-11-07 00:38:03,908 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 6 states
[2019-11-07 00:38:03,908 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:38:03,908 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2019-11-07 00:38:03,908 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2019-11-07 00:38:03,908 INFO  L87              Difference]: Start difference. First operand 648 states and 794 transitions. Second operand 6 states.
[2019-11-07 00:38:03,976 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:38:03,976 INFO  L93              Difference]: Finished difference Result 666 states and 810 transitions.
[2019-11-07 00:38:03,976 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2019-11-07 00:38:03,976 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 63
[2019-11-07 00:38:03,977 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:38:03,979 INFO  L225             Difference]: With dead ends: 666
[2019-11-07 00:38:03,979 INFO  L226             Difference]: Without dead ends: 640
[2019-11-07 00:38:03,979 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2019-11-07 00:38:03,980 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 640 states.
[2019-11-07 00:38:04,011 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 640.
[2019-11-07 00:38:04,012 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 640 states.
[2019-11-07 00:38:04,013 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 784 transitions.
[2019-11-07 00:38:04,013 INFO  L78                 Accepts]: Start accepts. Automaton has 640 states and 784 transitions. Word has length 63
[2019-11-07 00:38:04,013 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:38:04,013 INFO  L462      AbstractCegarLoop]: Abstraction has 640 states and 784 transitions.
[2019-11-07 00:38:04,013 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2019-11-07 00:38:04,014 INFO  L276                IsEmpty]: Start isEmpty. Operand 640 states and 784 transitions.
[2019-11-07 00:38:04,015 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2019-11-07 00:38:04,015 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:38:04,015 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:38:04,016 INFO  L410      AbstractCegarLoop]: === Iteration 43 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:38:04,016 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:38:04,016 INFO  L82        PathProgramCache]: Analyzing trace with hash -392212102, now seen corresponding path program 1 times
[2019-11-07 00:38:04,019 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:38:04,019 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164641656]
[2019-11-07 00:38:04,019 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:38:04,039 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:38:04,094 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:38:04,094 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164641656]
[2019-11-07 00:38:04,094 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:38:04,094 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2019-11-07 00:38:04,094 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052127434]
[2019-11-07 00:38:04,095 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 8 states
[2019-11-07 00:38:04,096 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:38:04,096 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2019-11-07 00:38:04,096 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2019-11-07 00:38:04,096 INFO  L87              Difference]: Start difference. First operand 640 states and 784 transitions. Second operand 8 states.
[2019-11-07 00:38:04,237 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:38:04,238 INFO  L93              Difference]: Finished difference Result 657 states and 801 transitions.
[2019-11-07 00:38:04,238 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2019-11-07 00:38:04,238 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 62
[2019-11-07 00:38:04,239 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:38:04,241 INFO  L225             Difference]: With dead ends: 657
[2019-11-07 00:38:04,241 INFO  L226             Difference]: Without dead ends: 625
[2019-11-07 00:38:04,242 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2019-11-07 00:38:04,244 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 625 states.
[2019-11-07 00:38:04,276 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 625.
[2019-11-07 00:38:04,276 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 625 states.
[2019-11-07 00:38:04,278 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 764 transitions.
[2019-11-07 00:38:04,278 INFO  L78                 Accepts]: Start accepts. Automaton has 625 states and 764 transitions. Word has length 62
[2019-11-07 00:38:04,278 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:38:04,280 INFO  L462      AbstractCegarLoop]: Abstraction has 625 states and 764 transitions.
[2019-11-07 00:38:04,280 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2019-11-07 00:38:04,280 INFO  L276                IsEmpty]: Start isEmpty. Operand 625 states and 764 transitions.
[2019-11-07 00:38:04,282 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 72
[2019-11-07 00:38:04,282 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:38:04,282 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:38:04,282 INFO  L410      AbstractCegarLoop]: === Iteration 44 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:38:04,282 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:38:04,282 INFO  L82        PathProgramCache]: Analyzing trace with hash -1207446898, now seen corresponding path program 1 times
[2019-11-07 00:38:04,283 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:38:04,283 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296306895]
[2019-11-07 00:38:04,283 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:38:04,302 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:38:04,365 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:38:04,366 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296306895]
[2019-11-07 00:38:04,366 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:38:04,366 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2019-11-07 00:38:04,366 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894179362]
[2019-11-07 00:38:04,367 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 6 states
[2019-11-07 00:38:04,368 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:38:04,368 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2019-11-07 00:38:04,368 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2019-11-07 00:38:04,368 INFO  L87              Difference]: Start difference. First operand 625 states and 764 transitions. Second operand 6 states.
[2019-11-07 00:38:04,441 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:38:04,441 INFO  L93              Difference]: Finished difference Result 876 states and 1082 transitions.
[2019-11-07 00:38:04,442 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2019-11-07 00:38:04,442 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 71
[2019-11-07 00:38:04,442 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:38:04,444 INFO  L225             Difference]: With dead ends: 876
[2019-11-07 00:38:04,444 INFO  L226             Difference]: Without dead ends: 650
[2019-11-07 00:38:04,445 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2019-11-07 00:38:04,446 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 650 states.
[2019-11-07 00:38:04,478 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 625.
[2019-11-07 00:38:04,478 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 625 states.
[2019-11-07 00:38:04,479 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 762 transitions.
[2019-11-07 00:38:04,480 INFO  L78                 Accepts]: Start accepts. Automaton has 625 states and 762 transitions. Word has length 71
[2019-11-07 00:38:04,481 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:38:04,481 INFO  L462      AbstractCegarLoop]: Abstraction has 625 states and 762 transitions.
[2019-11-07 00:38:04,481 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2019-11-07 00:38:04,482 INFO  L276                IsEmpty]: Start isEmpty. Operand 625 states and 762 transitions.
[2019-11-07 00:38:04,483 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2019-11-07 00:38:04,483 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:38:04,484 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:38:04,484 INFO  L410      AbstractCegarLoop]: === Iteration 45 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:38:04,484 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:38:04,484 INFO  L82        PathProgramCache]: Analyzing trace with hash -251803701, now seen corresponding path program 1 times
[2019-11-07 00:38:04,484 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:38:04,484 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905141682]
[2019-11-07 00:38:04,485 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:38:04,501 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:38:04,547 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:38:04,548 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905141682]
[2019-11-07 00:38:04,548 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:38:04,548 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2019-11-07 00:38:04,548 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313712532]
[2019-11-07 00:38:04,549 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 5 states
[2019-11-07 00:38:04,549 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:38:04,549 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2019-11-07 00:38:04,549 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-11-07 00:38:04,549 INFO  L87              Difference]: Start difference. First operand 625 states and 762 transitions. Second operand 5 states.
[2019-11-07 00:38:04,592 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:38:04,592 INFO  L93              Difference]: Finished difference Result 640 states and 778 transitions.
[2019-11-07 00:38:04,593 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2019-11-07 00:38:04,593 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 64
[2019-11-07 00:38:04,593 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:38:04,595 INFO  L225             Difference]: With dead ends: 640
[2019-11-07 00:38:04,595 INFO  L226             Difference]: Without dead ends: 615
[2019-11-07 00:38:04,596 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-11-07 00:38:04,596 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 615 states.
[2019-11-07 00:38:04,628 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 605.
[2019-11-07 00:38:04,628 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 605 states.
[2019-11-07 00:38:04,630 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 740 transitions.
[2019-11-07 00:38:04,630 INFO  L78                 Accepts]: Start accepts. Automaton has 605 states and 740 transitions. Word has length 64
[2019-11-07 00:38:04,630 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:38:04,630 INFO  L462      AbstractCegarLoop]: Abstraction has 605 states and 740 transitions.
[2019-11-07 00:38:04,631 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2019-11-07 00:38:04,631 INFO  L276                IsEmpty]: Start isEmpty. Operand 605 states and 740 transitions.
[2019-11-07 00:38:04,632 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 74
[2019-11-07 00:38:04,632 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:38:04,632 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:38:04,633 INFO  L410      AbstractCegarLoop]: === Iteration 46 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:38:04,633 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:38:04,633 INFO  L82        PathProgramCache]: Analyzing trace with hash -1603697752, now seen corresponding path program 1 times
[2019-11-07 00:38:04,633 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:38:04,633 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197851994]
[2019-11-07 00:38:04,634 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:38:04,656 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:38:04,683 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:38:04,683 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197851994]
[2019-11-07 00:38:04,684 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:38:04,684 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-11-07 00:38:04,684 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071075954]
[2019-11-07 00:38:04,684 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-11-07 00:38:04,684 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:38:04,685 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-11-07 00:38:04,685 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-07 00:38:04,685 INFO  L87              Difference]: Start difference. First operand 605 states and 740 transitions. Second operand 3 states.
[2019-11-07 00:38:04,726 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:38:04,727 INFO  L93              Difference]: Finished difference Result 962 states and 1188 transitions.
[2019-11-07 00:38:04,727 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-11-07 00:38:04,727 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 73
[2019-11-07 00:38:04,727 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:38:04,730 INFO  L225             Difference]: With dead ends: 962
[2019-11-07 00:38:04,730 INFO  L226             Difference]: Without dead ends: 709
[2019-11-07 00:38:04,731 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-07 00:38:04,732 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 709 states.
[2019-11-07 00:38:04,767 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 679.
[2019-11-07 00:38:04,767 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 679 states.
[2019-11-07 00:38:04,768 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 834 transitions.
[2019-11-07 00:38:04,769 INFO  L78                 Accepts]: Start accepts. Automaton has 679 states and 834 transitions. Word has length 73
[2019-11-07 00:38:04,769 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:38:04,769 INFO  L462      AbstractCegarLoop]: Abstraction has 679 states and 834 transitions.
[2019-11-07 00:38:04,769 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-11-07 00:38:04,769 INFO  L276                IsEmpty]: Start isEmpty. Operand 679 states and 834 transitions.
[2019-11-07 00:38:04,771 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2019-11-07 00:38:04,771 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:38:04,771 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:38:04,771 INFO  L410      AbstractCegarLoop]: === Iteration 47 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:38:04,772 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:38:04,772 INFO  L82        PathProgramCache]: Analyzing trace with hash 438096047, now seen corresponding path program 1 times
[2019-11-07 00:38:04,772 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:38:04,772 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984908481]
[2019-11-07 00:38:04,772 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:38:04,791 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:38:04,847 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:38:04,848 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984908481]
[2019-11-07 00:38:04,848 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:38:04,848 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2019-11-07 00:38:04,848 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060509316]
[2019-11-07 00:38:04,849 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 9 states
[2019-11-07 00:38:04,852 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:38:04,852 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2019-11-07 00:38:04,852 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72
[2019-11-07 00:38:04,853 INFO  L87              Difference]: Start difference. First operand 679 states and 834 transitions. Second operand 9 states.
[2019-11-07 00:38:05,036 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:38:05,037 INFO  L93              Difference]: Finished difference Result 708 states and 865 transitions.
[2019-11-07 00:38:05,037 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2019-11-07 00:38:05,037 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 66
[2019-11-07 00:38:05,037 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:38:05,039 INFO  L225             Difference]: With dead ends: 708
[2019-11-07 00:38:05,039 INFO  L226             Difference]: Without dead ends: 633
[2019-11-07 00:38:05,040 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110
[2019-11-07 00:38:05,041 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 633 states.
[2019-11-07 00:38:05,078 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 633.
[2019-11-07 00:38:05,078 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 633 states.
[2019-11-07 00:38:05,080 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 777 transitions.
[2019-11-07 00:38:05,080 INFO  L78                 Accepts]: Start accepts. Automaton has 633 states and 777 transitions. Word has length 66
[2019-11-07 00:38:05,080 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:38:05,080 INFO  L462      AbstractCegarLoop]: Abstraction has 633 states and 777 transitions.
[2019-11-07 00:38:05,080 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2019-11-07 00:38:05,080 INFO  L276                IsEmpty]: Start isEmpty. Operand 633 states and 777 transitions.
[2019-11-07 00:38:05,082 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2019-11-07 00:38:05,082 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:38:05,083 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:38:05,083 INFO  L410      AbstractCegarLoop]: === Iteration 48 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:38:05,083 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:38:05,083 INFO  L82        PathProgramCache]: Analyzing trace with hash -760769285, now seen corresponding path program 1 times
[2019-11-07 00:38:05,083 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:38:05,083 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628614633]
[2019-11-07 00:38:05,084 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:38:05,110 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:38:05,194 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:38:05,195 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628614633]
[2019-11-07 00:38:05,195 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:38:05,195 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2019-11-07 00:38:05,195 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077651426]
[2019-11-07 00:38:05,196 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 4 states
[2019-11-07 00:38:05,196 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:38:05,196 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2019-11-07 00:38:05,196 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2019-11-07 00:38:05,196 INFO  L87              Difference]: Start difference. First operand 633 states and 777 transitions. Second operand 4 states.
[2019-11-07 00:38:05,384 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:38:05,384 INFO  L93              Difference]: Finished difference Result 1493 states and 1811 transitions.
[2019-11-07 00:38:05,384 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2019-11-07 00:38:05,384 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 82
[2019-11-07 00:38:05,385 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:38:05,388 INFO  L225             Difference]: With dead ends: 1493
[2019-11-07 00:38:05,388 INFO  L226             Difference]: Without dead ends: 909
[2019-11-07 00:38:05,389 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2019-11-07 00:38:05,391 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 909 states.
[2019-11-07 00:38:05,432 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 773.
[2019-11-07 00:38:05,432 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 773 states.
[2019-11-07 00:38:05,434 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 936 transitions.
[2019-11-07 00:38:05,434 INFO  L78                 Accepts]: Start accepts. Automaton has 773 states and 936 transitions. Word has length 82
[2019-11-07 00:38:05,434 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:38:05,434 INFO  L462      AbstractCegarLoop]: Abstraction has 773 states and 936 transitions.
[2019-11-07 00:38:05,434 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2019-11-07 00:38:05,435 INFO  L276                IsEmpty]: Start isEmpty. Operand 773 states and 936 transitions.
[2019-11-07 00:38:05,436 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2019-11-07 00:38:05,436 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:38:05,437 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:38:05,437 INFO  L410      AbstractCegarLoop]: === Iteration 49 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:38:05,437 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:38:05,437 INFO  L82        PathProgramCache]: Analyzing trace with hash -1321469063, now seen corresponding path program 1 times
[2019-11-07 00:38:05,437 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:38:05,438 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054040551]
[2019-11-07 00:38:05,438 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:38:05,459 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:38:05,576 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:38:05,576 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054040551]
[2019-11-07 00:38:05,576 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:38:05,577 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2019-11-07 00:38:05,577 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296345800]
[2019-11-07 00:38:05,577 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 7 states
[2019-11-07 00:38:05,577 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:38:05,577 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2019-11-07 00:38:05,578 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2019-11-07 00:38:05,578 INFO  L87              Difference]: Start difference. First operand 773 states and 936 transitions. Second operand 7 states.
[2019-11-07 00:38:06,462 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:38:06,463 INFO  L93              Difference]: Finished difference Result 1097 states and 1335 transitions.
[2019-11-07 00:38:06,465 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2019-11-07 00:38:06,465 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 82
[2019-11-07 00:38:06,466 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:38:06,469 INFO  L225             Difference]: With dead ends: 1097
[2019-11-07 00:38:06,469 INFO  L226             Difference]: Without dead ends: 788
[2019-11-07 00:38:06,470 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156
[2019-11-07 00:38:06,471 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 788 states.
[2019-11-07 00:38:06,516 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 757.
[2019-11-07 00:38:06,517 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 757 states.
[2019-11-07 00:38:06,518 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 908 transitions.
[2019-11-07 00:38:06,519 INFO  L78                 Accepts]: Start accepts. Automaton has 757 states and 908 transitions. Word has length 82
[2019-11-07 00:38:06,519 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:38:06,519 INFO  L462      AbstractCegarLoop]: Abstraction has 757 states and 908 transitions.
[2019-11-07 00:38:06,519 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2019-11-07 00:38:06,519 INFO  L276                IsEmpty]: Start isEmpty. Operand 757 states and 908 transitions.
[2019-11-07 00:38:06,521 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 77
[2019-11-07 00:38:06,521 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:38:06,521 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:38:06,522 INFO  L410      AbstractCegarLoop]: === Iteration 50 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:38:06,522 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:38:06,522 INFO  L82        PathProgramCache]: Analyzing trace with hash 448269423, now seen corresponding path program 1 times
[2019-11-07 00:38:06,522 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:38:06,522 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287465758]
[2019-11-07 00:38:06,522 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:38:06,539 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:38:06,575 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:38:06,575 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287465758]
[2019-11-07 00:38:06,576 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:38:06,576 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2019-11-07 00:38:06,576 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065551456]
[2019-11-07 00:38:06,576 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 5 states
[2019-11-07 00:38:06,577 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:38:06,577 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2019-11-07 00:38:06,577 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-11-07 00:38:06,577 INFO  L87              Difference]: Start difference. First operand 757 states and 908 transitions. Second operand 5 states.
[2019-11-07 00:38:06,632 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:38:06,632 INFO  L93              Difference]: Finished difference Result 951 states and 1135 transitions.
[2019-11-07 00:38:06,632 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2019-11-07 00:38:06,633 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 76
[2019-11-07 00:38:06,633 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:38:06,635 INFO  L225             Difference]: With dead ends: 951
[2019-11-07 00:38:06,635 INFO  L226             Difference]: Without dead ends: 777
[2019-11-07 00:38:06,636 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-11-07 00:38:06,637 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 777 states.
[2019-11-07 00:38:06,690 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 769.
[2019-11-07 00:38:06,691 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 769 states.
[2019-11-07 00:38:06,693 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 922 transitions.
[2019-11-07 00:38:06,693 INFO  L78                 Accepts]: Start accepts. Automaton has 769 states and 922 transitions. Word has length 76
[2019-11-07 00:38:06,694 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:38:06,694 INFO  L462      AbstractCegarLoop]: Abstraction has 769 states and 922 transitions.
[2019-11-07 00:38:06,694 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2019-11-07 00:38:06,694 INFO  L276                IsEmpty]: Start isEmpty. Operand 769 states and 922 transitions.
[2019-11-07 00:38:06,697 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 77
[2019-11-07 00:38:06,697 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:38:06,697 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:38:06,698 INFO  L410      AbstractCegarLoop]: === Iteration 51 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:38:06,698 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:38:06,698 INFO  L82        PathProgramCache]: Analyzing trace with hash 1161185424, now seen corresponding path program 1 times
[2019-11-07 00:38:06,698 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:38:06,699 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410898815]
[2019-11-07 00:38:06,699 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:38:06,722 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:38:06,839 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:38:06,839 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410898815]
[2019-11-07 00:38:06,839 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:38:06,839 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2019-11-07 00:38:06,840 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117602792]
[2019-11-07 00:38:06,840 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 9 states
[2019-11-07 00:38:06,840 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:38:06,840 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2019-11-07 00:38:06,841 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72
[2019-11-07 00:38:06,841 INFO  L87              Difference]: Start difference. First operand 769 states and 922 transitions. Second operand 9 states.
[2019-11-07 00:38:06,938 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:38:06,939 INFO  L93              Difference]: Finished difference Result 901 states and 1069 transitions.
[2019-11-07 00:38:06,939 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2019-11-07 00:38:06,939 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 76
[2019-11-07 00:38:06,939 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:38:06,942 INFO  L225             Difference]: With dead ends: 901
[2019-11-07 00:38:06,942 INFO  L226             Difference]: Without dead ends: 723
[2019-11-07 00:38:06,943 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110
[2019-11-07 00:38:06,944 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 723 states.
[2019-11-07 00:38:06,986 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 719.
[2019-11-07 00:38:06,987 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 719 states.
[2019-11-07 00:38:06,988 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 855 transitions.
[2019-11-07 00:38:06,988 INFO  L78                 Accepts]: Start accepts. Automaton has 719 states and 855 transitions. Word has length 76
[2019-11-07 00:38:06,988 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:38:06,988 INFO  L462      AbstractCegarLoop]: Abstraction has 719 states and 855 transitions.
[2019-11-07 00:38:06,989 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2019-11-07 00:38:06,989 INFO  L276                IsEmpty]: Start isEmpty. Operand 719 states and 855 transitions.
[2019-11-07 00:38:06,991 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 84
[2019-11-07 00:38:06,991 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:38:06,991 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:38:06,991 INFO  L410      AbstractCegarLoop]: === Iteration 52 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:38:06,991 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:38:06,991 INFO  L82        PathProgramCache]: Analyzing trace with hash 531350456, now seen corresponding path program 1 times
[2019-11-07 00:38:06,992 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:38:06,992 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258543109]
[2019-11-07 00:38:06,992 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:38:07,014 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:38:07,075 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:38:07,075 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258543109]
[2019-11-07 00:38:07,075 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:38:07,075 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2019-11-07 00:38:07,076 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657207053]
[2019-11-07 00:38:07,076 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 6 states
[2019-11-07 00:38:07,076 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:38:07,076 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2019-11-07 00:38:07,076 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2019-11-07 00:38:07,077 INFO  L87              Difference]: Start difference. First operand 719 states and 855 transitions. Second operand 6 states.
[2019-11-07 00:38:07,156 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:38:07,156 INFO  L93              Difference]: Finished difference Result 1052 states and 1286 transitions.
[2019-11-07 00:38:07,156 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2019-11-07 00:38:07,157 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 83
[2019-11-07 00:38:07,158 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:38:07,160 INFO  L225             Difference]: With dead ends: 1052
[2019-11-07 00:38:07,160 INFO  L226             Difference]: Without dead ends: 798
[2019-11-07 00:38:07,161 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2019-11-07 00:38:07,162 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 798 states.
[2019-11-07 00:38:07,205 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 685.
[2019-11-07 00:38:07,206 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 685 states.
[2019-11-07 00:38:07,207 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 811 transitions.
[2019-11-07 00:38:07,207 INFO  L78                 Accepts]: Start accepts. Automaton has 685 states and 811 transitions. Word has length 83
[2019-11-07 00:38:07,208 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:38:07,208 INFO  L462      AbstractCegarLoop]: Abstraction has 685 states and 811 transitions.
[2019-11-07 00:38:07,208 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2019-11-07 00:38:07,208 INFO  L276                IsEmpty]: Start isEmpty. Operand 685 states and 811 transitions.
[2019-11-07 00:38:07,210 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 79
[2019-11-07 00:38:07,210 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:38:07,210 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:38:07,210 INFO  L410      AbstractCegarLoop]: === Iteration 53 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:38:07,210 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:38:07,210 INFO  L82        PathProgramCache]: Analyzing trace with hash -1176705031, now seen corresponding path program 1 times
[2019-11-07 00:38:07,211 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:38:07,211 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401763207]
[2019-11-07 00:38:07,211 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:38:07,224 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:38:07,258 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:38:07,259 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401763207]
[2019-11-07 00:38:07,259 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:38:07,259 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2019-11-07 00:38:07,259 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880232193]
[2019-11-07 00:38:07,260 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 5 states
[2019-11-07 00:38:07,260 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:38:07,260 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2019-11-07 00:38:07,260 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-11-07 00:38:07,260 INFO  L87              Difference]: Start difference. First operand 685 states and 811 transitions. Second operand 5 states.
[2019-11-07 00:38:07,645 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:38:07,645 INFO  L93              Difference]: Finished difference Result 1233 states and 1441 transitions.
[2019-11-07 00:38:07,645 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2019-11-07 00:38:07,646 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 78
[2019-11-07 00:38:07,646 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:38:07,648 INFO  L225             Difference]: With dead ends: 1233
[2019-11-07 00:38:07,649 INFO  L226             Difference]: Without dead ends: 783
[2019-11-07 00:38:07,650 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2019-11-07 00:38:07,652 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 783 states.
[2019-11-07 00:38:07,712 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 760.
[2019-11-07 00:38:07,713 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 760 states.
[2019-11-07 00:38:07,715 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 885 transitions.
[2019-11-07 00:38:07,715 INFO  L78                 Accepts]: Start accepts. Automaton has 760 states and 885 transitions. Word has length 78
[2019-11-07 00:38:07,715 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:38:07,715 INFO  L462      AbstractCegarLoop]: Abstraction has 760 states and 885 transitions.
[2019-11-07 00:38:07,716 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2019-11-07 00:38:07,716 INFO  L276                IsEmpty]: Start isEmpty. Operand 760 states and 885 transitions.
[2019-11-07 00:38:07,718 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 80
[2019-11-07 00:38:07,718 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:38:07,718 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:38:07,718 INFO  L410      AbstractCegarLoop]: === Iteration 54 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:38:07,719 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:38:07,719 INFO  L82        PathProgramCache]: Analyzing trace with hash 1769905959, now seen corresponding path program 1 times
[2019-11-07 00:38:07,719 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:38:07,719 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111326619]
[2019-11-07 00:38:07,719 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:38:07,737 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:38:07,794 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:38:07,795 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111326619]
[2019-11-07 00:38:07,795 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:38:07,795 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2019-11-07 00:38:07,796 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93326664]
[2019-11-07 00:38:07,797 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 9 states
[2019-11-07 00:38:07,797 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:38:07,797 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2019-11-07 00:38:07,798 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72
[2019-11-07 00:38:07,798 INFO  L87              Difference]: Start difference. First operand 760 states and 885 transitions. Second operand 9 states.
[2019-11-07 00:38:07,953 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:38:07,953 INFO  L93              Difference]: Finished difference Result 762 states and 886 transitions.
[2019-11-07 00:38:07,953 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2019-11-07 00:38:07,953 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 79
[2019-11-07 00:38:07,954 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:38:07,956 INFO  L225             Difference]: With dead ends: 762
[2019-11-07 00:38:07,956 INFO  L226             Difference]: Without dead ends: 622
[2019-11-07 00:38:07,957 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110
[2019-11-07 00:38:07,958 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 622 states.
[2019-11-07 00:38:07,995 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 622.
[2019-11-07 00:38:07,995 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 622 states.
[2019-11-07 00:38:07,996 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 726 transitions.
[2019-11-07 00:38:07,998 INFO  L78                 Accepts]: Start accepts. Automaton has 622 states and 726 transitions. Word has length 79
[2019-11-07 00:38:07,998 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:38:07,999 INFO  L462      AbstractCegarLoop]: Abstraction has 622 states and 726 transitions.
[2019-11-07 00:38:07,999 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2019-11-07 00:38:07,999 INFO  L276                IsEmpty]: Start isEmpty. Operand 622 states and 726 transitions.
[2019-11-07 00:38:08,000 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 89
[2019-11-07 00:38:08,001 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:38:08,001 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:38:08,001 INFO  L410      AbstractCegarLoop]: === Iteration 55 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:38:08,001 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:38:08,001 INFO  L82        PathProgramCache]: Analyzing trace with hash 1765631649, now seen corresponding path program 1 times
[2019-11-07 00:38:08,002 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:38:08,002 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175864454]
[2019-11-07 00:38:08,002 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:38:08,027 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:38:08,125 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:38:08,125 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175864454]
[2019-11-07 00:38:08,126 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:38:08,126 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2019-11-07 00:38:08,126 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840523886]
[2019-11-07 00:38:08,126 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 9 states
[2019-11-07 00:38:08,127 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:38:08,127 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2019-11-07 00:38:08,127 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72
[2019-11-07 00:38:08,127 INFO  L87              Difference]: Start difference. First operand 622 states and 726 transitions. Second operand 9 states.
[2019-11-07 00:38:08,280 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:38:08,281 INFO  L93              Difference]: Finished difference Result 661 states and 767 transitions.
[2019-11-07 00:38:08,281 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2019-11-07 00:38:08,281 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 88
[2019-11-07 00:38:08,281 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:38:08,283 INFO  L225             Difference]: With dead ends: 661
[2019-11-07 00:38:08,283 INFO  L226             Difference]: Without dead ends: 640
[2019-11-07 00:38:08,284 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156
[2019-11-07 00:38:08,285 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 640 states.
[2019-11-07 00:38:08,325 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 622.
[2019-11-07 00:38:08,326 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 622 states.
[2019-11-07 00:38:08,327 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 725 transitions.
[2019-11-07 00:38:08,327 INFO  L78                 Accepts]: Start accepts. Automaton has 622 states and 725 transitions. Word has length 88
[2019-11-07 00:38:08,327 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:38:08,328 INFO  L462      AbstractCegarLoop]: Abstraction has 622 states and 725 transitions.
[2019-11-07 00:38:08,328 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2019-11-07 00:38:08,328 INFO  L276                IsEmpty]: Start isEmpty. Operand 622 states and 725 transitions.
[2019-11-07 00:38:08,329 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 84
[2019-11-07 00:38:08,329 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:38:08,329 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:38:08,330 INFO  L410      AbstractCegarLoop]: === Iteration 56 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:38:08,330 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:38:08,330 INFO  L82        PathProgramCache]: Analyzing trace with hash 1105227521, now seen corresponding path program 1 times
[2019-11-07 00:38:08,330 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:38:08,330 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831099881]
[2019-11-07 00:38:08,330 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:38:08,345 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:38:08,436 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:38:08,437 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831099881]
[2019-11-07 00:38:08,437 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:38:08,437 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2019-11-07 00:38:08,437 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235391960]
[2019-11-07 00:38:08,438 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 10 states
[2019-11-07 00:38:08,438 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:38:08,438 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2019-11-07 00:38:08,438 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90
[2019-11-07 00:38:08,438 INFO  L87              Difference]: Start difference. First operand 622 states and 725 transitions. Second operand 10 states.
[2019-11-07 00:38:09,398 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:38:09,399 INFO  L93              Difference]: Finished difference Result 632 states and 733 transitions.
[2019-11-07 00:38:09,399 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2019-11-07 00:38:09,399 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 83
[2019-11-07 00:38:09,400 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:38:09,402 INFO  L225             Difference]: With dead ends: 632
[2019-11-07 00:38:09,402 INFO  L226             Difference]: Without dead ends: 627
[2019-11-07 00:38:09,402 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342
[2019-11-07 00:38:09,403 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 627 states.
[2019-11-07 00:38:09,442 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 622.
[2019-11-07 00:38:09,442 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 622 states.
[2019-11-07 00:38:09,443 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 724 transitions.
[2019-11-07 00:38:09,444 INFO  L78                 Accepts]: Start accepts. Automaton has 622 states and 724 transitions. Word has length 83
[2019-11-07 00:38:09,444 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:38:09,444 INFO  L462      AbstractCegarLoop]: Abstraction has 622 states and 724 transitions.
[2019-11-07 00:38:09,444 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2019-11-07 00:38:09,444 INFO  L276                IsEmpty]: Start isEmpty. Operand 622 states and 724 transitions.
[2019-11-07 00:38:09,445 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 85
[2019-11-07 00:38:09,446 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:38:09,446 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:38:09,446 INFO  L410      AbstractCegarLoop]: === Iteration 57 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:38:09,446 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:38:09,446 INFO  L82        PathProgramCache]: Analyzing trace with hash -534357869, now seen corresponding path program 1 times
[2019-11-07 00:38:09,447 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:38:09,447 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293132507]
[2019-11-07 00:38:09,447 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:38:09,462 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-07 00:38:09,535 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-07 00:38:09,535 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293132507]
[2019-11-07 00:38:09,536 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-07 00:38:09,536 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2019-11-07 00:38:09,536 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294667239]
[2019-11-07 00:38:09,536 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 9 states
[2019-11-07 00:38:09,536 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-11-07 00:38:09,537 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2019-11-07 00:38:09,537 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2019-11-07 00:38:09,537 INFO  L87              Difference]: Start difference. First operand 622 states and 724 transitions. Second operand 9 states.
[2019-11-07 00:38:10,422 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-07 00:38:10,422 INFO  L93              Difference]: Finished difference Result 643 states and 747 transitions.
[2019-11-07 00:38:10,422 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2019-11-07 00:38:10,423 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 84
[2019-11-07 00:38:10,423 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-07 00:38:10,425 INFO  L225             Difference]: With dead ends: 643
[2019-11-07 00:38:10,425 INFO  L226             Difference]: Without dead ends: 614
[2019-11-07 00:38:10,426 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342
[2019-11-07 00:38:10,426 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 614 states.
[2019-11-07 00:38:10,466 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 598.
[2019-11-07 00:38:10,466 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 598 states.
[2019-11-07 00:38:10,468 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 697 transitions.
[2019-11-07 00:38:10,468 INFO  L78                 Accepts]: Start accepts. Automaton has 598 states and 697 transitions. Word has length 84
[2019-11-07 00:38:10,469 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-07 00:38:10,469 INFO  L462      AbstractCegarLoop]: Abstraction has 598 states and 697 transitions.
[2019-11-07 00:38:10,469 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2019-11-07 00:38:10,469 INFO  L276                IsEmpty]: Start isEmpty. Operand 598 states and 697 transitions.
[2019-11-07 00:38:10,471 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 86
[2019-11-07 00:38:10,471 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-07 00:38:10,471 INFO  L410         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-07 00:38:10,471 INFO  L410      AbstractCegarLoop]: === Iteration 58 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-07 00:38:10,471 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-07 00:38:10,472 INFO  L82        PathProgramCache]: Analyzing trace with hash -1790671204, now seen corresponding path program 1 times
[2019-11-07 00:38:10,472 INFO  L161   FreeRefinementEngine]: Executing refinement strategy TAIPAN
[2019-11-07 00:38:10,472 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271069000]
[2019-11-07 00:38:10,472 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-07 00:38:10,498 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-07 00:38:10,522 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-07 00:38:10,611 INFO  L172   FreeRefinementEngine]: Strategy TAIPAN found a feasible trace
[2019-11-07 00:38:10,613 INFO  L475         BasicCegarLoop]: Counterexample might be feasible
[2019-11-07 00:38:10,751 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:38:10 BoogieIcfgContainer
[2019-11-07 00:38:10,751 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2019-11-07 00:38:10,753 INFO  L168              Benchmark]: Toolchain (without parser) took 30043.51 ms. Allocated memory was 146.8 MB in the beginning and 591.9 MB in the end (delta: 445.1 MB). Free memory was 102.2 MB in the beginning and 426.5 MB in the end (delta: -324.3 MB). Peak memory consumption was 120.9 MB. Max. memory is 7.1 GB.
[2019-11-07 00:38:10,753 INFO  L168              Benchmark]: CDTParser took 1.17 ms. Allocated memory is still 146.8 MB. Free memory is still 121.5 MB. There was no memory consumed. Max. memory is 7.1 GB.
[2019-11-07 00:38:10,754 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 766.70 ms. Allocated memory was 146.8 MB in the beginning and 208.1 MB in the end (delta: 61.3 MB). Free memory was 102.2 MB in the beginning and 173.1 MB in the end (delta: -70.9 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB.
[2019-11-07 00:38:10,754 INFO  L168              Benchmark]: Boogie Preprocessor took 92.70 ms. Allocated memory is still 208.1 MB. Free memory was 173.1 MB in the beginning and 168.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB.
[2019-11-07 00:38:10,754 INFO  L168              Benchmark]: RCFGBuilder took 1295.66 ms. Allocated memory was 208.1 MB in the beginning and 233.8 MB in the end (delta: 25.7 MB). Free memory was 168.2 MB in the beginning and 157.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 78.9 MB. Max. memory is 7.1 GB.
[2019-11-07 00:38:10,755 INFO  L168              Benchmark]: TraceAbstraction took 27884.48 ms. Allocated memory was 233.8 MB in the beginning and 591.9 MB in the end (delta: 358.1 MB). Free memory was 157.9 MB in the beginning and 426.5 MB in the end (delta: -268.6 MB). Peak memory consumption was 89.5 MB. Max. memory is 7.1 GB.
[2019-11-07 00:38:10,756 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 1.17 ms. Allocated memory is still 146.8 MB. Free memory is still 121.5 MB. There was no memory consumed. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 766.70 ms. Allocated memory was 146.8 MB in the beginning and 208.1 MB in the end (delta: 61.3 MB). Free memory was 102.2 MB in the beginning and 173.1 MB in the end (delta: -70.9 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 92.70 ms. Allocated memory is still 208.1 MB. Free memory was 173.1 MB in the beginning and 168.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1295.66 ms. Allocated memory was 208.1 MB in the beginning and 233.8 MB in the end (delta: 25.7 MB). Free memory was 168.2 MB in the beginning and 157.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 78.9 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 27884.48 ms. Allocated memory was 233.8 MB in the beginning and 591.9 MB in the end (delta: 358.1 MB). Free memory was 157.9 MB in the beginning and 426.5 MB in the end (delta: -268.6 MB). Peak memory consumption was 89.5 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - CounterExampleResult [Line: 1626]: a call of __VERIFIER_error() is reachable
    a call of __VERIFIER_error() is reachable
We found a FailurePath: 
[L41]                    int FloppyThread  ;
[L42]                    int KernelMode  ;
[L43]                    int Suspended  ;
[L44]                    int Executive  ;
[L45]                    int DiskController  ;
[L46]                    int FloppyDiskPeripheral  ;
[L47]                    int FlConfigCallBack  ;
[L48]                    int MaximumInterfaceType  ;
[L49]                    int MOUNTDEV_MOUNTED_DEVICE_GUID  ;
[L50]                    int myStatus  ;
[L51]                    int s  ;
[L52]                    int UNLOADED  ;
[L53]                    int NP  ;
[L54]                    int DC  ;
[L55]                    int SKIP1  ;
[L56]                    int SKIP2  ;
[L57]                    int MPR1  ;
[L58]                    int MPR3  ;
[L59]                    int IPC  ;
[L60]                    int pended  ;
[L61]                    int compRegistered  ;
[L62]                    int lowerDriverReturn  ;
[L63]                    int setEventCalled  ;
[L64]                    int customIrp  ;
[L87]                    int PagingReferenceCount  =    0;
[L88]                    int PagingMutex  =    0;
             VAL         [\old(compRegistered)=277, \old(customIrp)=280, \old(DC)=274, \old(DiskController)=276, \old(Executive)=278, \old(FlConfigCallBack)=265, \old(FloppyDiskPeripheral)=275, \old(FloppyThread)=261, \old(IPC)=262, \old(KernelMode)=272, \old(lowerDriverReturn)=285, \old(MaximumInterfaceType)=284, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=260, \old(MPR1)=268, \old(MPR3)=281, \old(myStatus)=283, \old(NP)=279, \old(PagingMutex)=266, \old(PagingReferenceCount)=270, \old(pended)=271, \old(s)=263, \old(setEventCalled)=282, \old(SKIP1)=267, \old(SKIP2)=264, \old(Suspended)=269, \old(UNLOADED)=273, compRegistered=0, customIrp=0, DC=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, Suspended=0, UNLOADED=0]
[L667]                   int status ;
[L668]                   int irp = __VERIFIER_nondet_int() ;
[L669]                   int pirp ;
[L670]                   int pirp__IoStatus__Status ;
[L671]                   int irp_choice = __VERIFIER_nondet_int() ;
[L672]                   int devobj = __VERIFIER_nondet_int() ;
[L673]                   int __cil_tmp8 ;
[L675]                   FloppyThread  = 0
[L676]                   KernelMode  = 0
[L677]                   Suspended  = 0
[L678]                   Executive  = 0
[L679]                   DiskController  = 0
[L680]                   FloppyDiskPeripheral  = 0
[L681]                   FlConfigCallBack  = 0
[L682]                   MaximumInterfaceType  = 0
[L683]                   MOUNTDEV_MOUNTED_DEVICE_GUID  = 0
[L684]                   myStatus  = 0
[L685]                   s  = 0
[L686]                   UNLOADED  = 0
[L687]                   NP  = 0
[L688]                   DC  = 0
[L689]                   SKIP1  = 0
[L690]                   SKIP2 = 0
[L691]                   MPR1  = 0
[L692]                   MPR3  = 0
[L693]                   IPC  = 0
[L694]                   pended  = 0
[L695]                   compRegistered  = 0
[L696]                   lowerDriverReturn  = 0
[L697]                   setEventCalled  = 0
[L698]                   customIrp  = 0
[L702]                   status = 0
[L703]                   pirp = irp
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=0, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, status=0, Suspended=0, UNLOADED=0]
[L704]       CALL        _BLAST_init()
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, Suspended=0, UNLOADED=0]
[L70]                    UNLOADED = 0
[L71]                    NP = 1
[L72]                    DC = 2
[L73]                    SKIP1 = 3
[L74]                    SKIP2 = 4
[L75]                    MPR1 = 5
[L76]                    MPR3 = 6
[L77]                    IPC = 7
[L78]                    s = UNLOADED
[L79]                    pended = 0
[L80]                    compRegistered = 0
[L81]                    lowerDriverReturn = 0
[L82]                    setEventCalled = 0
[L83]                    customIrp = 0
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0]
[L704]       RET         _BLAST_init()
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0]
[L706]       COND TRUE   status >= 0
[L707]                   s = NP
[L708]                   customIrp = 0
[L709]                   setEventCalled = customIrp
[L710]                   lowerDriverReturn = setEventCalled
[L711]                   compRegistered = lowerDriverReturn
[L712]                   pended = compRegistered
[L713]                   pirp__IoStatus__Status = 0
[L714]                   myStatus = 0
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0]
[L715]       COND TRUE   irp_choice == 0
[L716]                   pirp__IoStatus__Status = -1073741637
[L717]                   myStatus = -1073741637
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0]
[L720]       CALL        stub_driver_init()
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0]
[L657]                   s = NP
[L658]                   pended = 0
[L659]                   compRegistered = 0
[L660]                   lowerDriverReturn = 0
[L661]                   setEventCalled = 0
[L662]                   customIrp = 0
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0]
[L720]       RET         stub_driver_init()
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0]
[L723]       COND FALSE  !(status < 0)
[L727]                   int tmp_ndt_1;
[L728]                   tmp_ndt_1 = __VERIFIER_nondet_int()
[L729]       COND FALSE  !(tmp_ndt_1 == 0)
[L732]                   int tmp_ndt_2;
[L733]                   tmp_ndt_2 = __VERIFIER_nondet_int()
[L734]       COND FALSE  !(tmp_ndt_2 == 1)
[L737]                   int tmp_ndt_3;
[L738]                   tmp_ndt_3 = __VERIFIER_nondet_int()
[L739]       COND FALSE  !(tmp_ndt_3 == 2)
[L742]                   int tmp_ndt_4;
[L743]                   tmp_ndt_4 = __VERIFIER_nondet_int()
[L744]       COND TRUE   tmp_ndt_4 == 3
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0]
[L766]       CALL, EXPR  FloppyPnp(devobj, pirp)
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0]
[L160]                   int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ;
[L161]                   int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ;
[L162]                   int Irp__IoStatus__Information ;
[L163]                   int Irp__IoStatus__Status ;
[L164]                   int Irp__CurrentLocation = __VERIFIER_nondet_int() ;
[L165]                   int disketteExtension__IsRemoved = __VERIFIER_nondet_int() ;
[L166]                   int disketteExtension__IsStarted = __VERIFIER_nondet_int() ;
[L167]                   int disketteExtension__TargetObject = __VERIFIER_nondet_int() ;
[L168]                   int disketteExtension__HoldNewRequests ;
[L169]                   int disketteExtension__FloppyThread = __VERIFIER_nondet_int() ;
[L170]                   int disketteExtension__InterfaceString__Buffer = __VERIFIER_nondet_int() ;
[L171]                   int disketteExtension__InterfaceString = __VERIFIER_nondet_int() ;
[L172]                   int disketteExtension__ArcName__Length = __VERIFIER_nondet_int() ;
[L173]                   int disketteExtension__ArcName = __VERIFIER_nondet_int() ;
[L174]                   int irpSp__MinorFunction = __VERIFIER_nondet_int() ;
[L175]                   int IoGetConfigurationInformation__FloppyCount = __VERIFIER_nondet_int() ;
[L176]                   int irpSp ;
[L177]                   int disketteExtension ;
[L178]                   int ntStatus ;
[L179]                   int doneEvent = __VERIFIER_nondet_int() ;
[L180]                   int irpSp___0 ;
[L181]                   int nextIrpSp ;
[L182]                   int nextIrpSp__Control ;
[L183]                   int irpSp___1 ;
[L184]                   int irpSp__Context ;
[L185]                   int irpSp__Control ;
[L186]                   long __cil_tmp29 ;
[L187]                   long __cil_tmp30 ;
[L190]                   ntStatus = 0
[L191]                   PagingReferenceCount ++
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0]
[L192]       COND TRUE   PagingReferenceCount == 1
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0]
[L195]                   disketteExtension = DeviceObject__DeviceExtension
[L196]                   irpSp = Irp__Tail__Overlay__CurrentStackLocation
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0]
[L197]       COND FALSE  !(\read(disketteExtension__IsRemoved))
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0]
[L206]       COND FALSE  !(irpSp__MinorFunction == 0)
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0]
[L209]       COND TRUE   irpSp__MinorFunction == 5
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0]
[L235]       COND TRUE   irpSp__MinorFunction == 5
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0]
[L238]       COND FALSE  !(! disketteExtension__IsStarted)
[L254]                   disketteExtension__HoldNewRequests = 1
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0]
[L255]       CALL, EXPR  FlQueueIrpToThread(Irp, disketteExtension)
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0]
[L97]                    int status ;
[L98]                    int threadHandle = __VERIFIER_nondet_int() ;
[L99]                    int DisketteExtension__PoweringDown = __VERIFIER_nondet_int() ;
[L100]                   int DisketteExtension__ThreadReferenceCount = __VERIFIER_nondet_int() ;
[L101]                   int DisketteExtension__FloppyThread = __VERIFIER_nondet_int() ;
[L102]                   int Irp__IoStatus__Status ;
[L103]                   int Irp__IoStatus__Information ;
[L104]                   int Irp__Tail__Overlay__CurrentStackLocation__Control ;
[L105]                   int ObjAttributes = __VERIFIER_nondet_int() ;
[L106]                   int __cil_tmp12 ;
[L107]                   int __cil_tmp13 ;
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-2, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0]
[L110]       COND FALSE  !(DisketteExtension__PoweringDown == 1)
[L116]                   DisketteExtension__ThreadReferenceCount ++
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-1, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0]
[L117]       COND FALSE  !(DisketteExtension__ThreadReferenceCount == 0)
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-1, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0]
[L149]       COND TRUE   pended == 0
[L150]                   pended = 1
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-1, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0]
[L156]                   return (259);
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, \result=259, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-1, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0]
[L255]       RET, EXPR   FlQueueIrpToThread(Irp, disketteExtension)
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, FlQueueIrpToThread(Irp, disketteExtension)=259, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0]
[L255]                   ntStatus = FlQueueIrpToThread(Irp, disketteExtension)
[L258]                   __cil_tmp29 = (long )ntStatus
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0]
[L259]       COND TRUE   __cil_tmp29 == 259L
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0]
[L261-L262]  CALL        KeWaitForSingleObject(disketteExtension__FloppyThread, Executive,
                                          KernelMode, 0, 0)
             VAL         [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0]
[L1065]      COND FALSE  !(s == MPR3)
             VAL         [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0]
[L1074]      COND FALSE  !(customIrp == 1)
             VAL         [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0]
[L1078]      COND FALSE  !(s == MPR3)
             VAL         [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0]
[L1085]                  int tmp_ndt_12;
[L1086]                  tmp_ndt_12 = __VERIFIER_nondet_int()
[L1087]      COND FALSE  !(tmp_ndt_12 == 0)
             VAL         [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, tmp_ndt_12=1, UNLOADED=0, WaitMode=0, WaitReason=0]
[L1095]                  return (-1073741823);
             VAL         [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, \result=-1073741823, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, tmp_ndt_12=1, UNLOADED=0, WaitMode=0, WaitReason=0]
[L261-L262]  RET         KeWaitForSingleObject(disketteExtension__FloppyThread, Executive,
                                          KernelMode, 0, 0)
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, KeWaitForSingleObject(disketteExtension__FloppyThread, Executive,
                                          KernelMode, 0, 0)=-1073741823, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0]
[L264]       COND FALSE  !(disketteExtension__FloppyThread != 0)
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0]
[L267]                   disketteExtension__FloppyThread = 0
[L268]                   Irp__IoStatus__Status = 0
[L269]                   myStatus = 0
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0]
[L270]       COND TRUE   s == NP
[L271]                   s = SKIP1
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0]
[L278]                   Irp__CurrentLocation ++
[L279]                   Irp__Tail__Overlay__CurrentStackLocation ++
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0]
[L280]       CALL, EXPR  IofCallDriver(disketteExtension__TargetObject, Irp)
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0]
[L967]                   int returnVal2 ;
[L968]                   int compRetStatus1 ;
[L969]                   int lcontext = __VERIFIER_nondet_int() ;
[L970]                   unsigned long __cil_tmp7 ;
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0]
[L973]       COND FALSE  !(\read(compRegistered))
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0]
[L986]                   int tmp_ndt_10;
[L987]                   tmp_ndt_10 = __VERIFIER_nondet_int()
[L988]       COND TRUE   tmp_ndt_10 == 0
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0]
[L999]                   returnVal2 = 0
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0]
[L1012]      COND FALSE  !(s == NP)
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0]
[L1016]      COND FALSE  !(s == MPR1)
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0]
[L1025]      COND TRUE   s == SKIP1
[L1026]                  s = SKIP2
[L1027]                  lowerDriverReturn = returnVal2
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0]
[L1035]                  return (returnVal2);
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, \result=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=0, UNLOADED=0]
[L280]       RET, EXPR   IofCallDriver(disketteExtension__TargetObject, Irp)
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IofCallDriver(disketteExtension__TargetObject, Irp)=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0]
[L280]                   ntStatus = IofCallDriver(disketteExtension__TargetObject, Irp)
[L426]                   PagingReferenceCount --
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0]
[L427]       COND TRUE   PagingReferenceCount == 0
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0]
[L430]                   return (ntStatus);
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, \result=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0]
[L766]       RET, EXPR   FloppyPnp(devobj, pirp)
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyPnp(devobj, pirp)=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0]
[L766]                   status = FloppyPnp(devobj, pirp)
[L779]       COND TRUE   pended == 1
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0]
[L780]       COND FALSE  !(s == NP)
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0]
[L787]       COND TRUE   pended == 1
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0]
[L788]       COND FALSE  !(s == MPR3)
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0]
[L795]       COND TRUE   s != UNLOADED
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0]
[L796]       COND TRUE   status != -1
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0]
[L797]       COND FALSE  !(s != SKIP2)
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0]
[L811]       COND TRUE   pended == 1
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0]
[L812]       COND TRUE   status != 259
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0]
[L813]       CALL        errorFn()
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0]
[L1626]                  __VERIFIER_error()
             VAL         [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 30 procedures, 393 locations, 1 error locations. Result: UNSAFE, OverallTime: 27.7s, OverallIterations: 58, TraceHistogramMax: 1, AutomataDifference: 19.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 25910 SDtfs, 13829 SDslu, 78922 SDs, 0 SdLazy, 15174 SolverSat, 2424 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 512 GetRequests, 148 SyntacticMatches, 5 SemanticMatches, 359 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=929occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.6s AutomataMinimizationTime, 57 MinimizatonAttempts, 1814 StatesRemovedByMinimization, 38 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 3303 NumberOfCodeBlocks, 3303 NumberOfCodeBlocksAsserted, 58 NumberOfCheckSat, 3161 ConstructedInterpolants, 0 QuantifiedInterpolants, 383800 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 57 InterpolantComputations, 57 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...