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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/elevator_spec1_productSimulator.cil.c


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


This is Ultimate 0.1.24-13a467a-m
[2019-10-15 03:07:48,215 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-10-15 03:07:48,218 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-10-15 03:07:48,238 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-10-15 03:07:48,239 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-10-15 03:07:48,241 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-10-15 03:07:48,243 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-10-15 03:07:48,253 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-10-15 03:07:48,258 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-10-15 03:07:48,261 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-10-15 03:07:48,262 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-10-15 03:07:48,264 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-10-15 03:07:48,264 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-10-15 03:07:48,266 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-10-15 03:07:48,268 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-10-15 03:07:48,270 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-10-15 03:07:48,271 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-15 03:07:48,272 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-15 03:07:48,274 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-10-15 03:07:48,279 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-10-15 03:07:48,284 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-10-15 03:07:48,287 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-10-15 03:07:48,290 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-10-15 03:07:48,291 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-10-15 03:07:48,293 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-10-15 03:07:48,293 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-10-15 03:07:48,293 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-10-15 03:07:48,295 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-10-15 03:07:48,296 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-10-15 03:07:48,297 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-10-15 03:07:48,298 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-10-15 03:07:48,299 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-10-15 03:07:48,300 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-10-15 03:07:48,301 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-10-15 03:07:48,303 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-10-15 03:07:48,303 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-10-15 03:07:48,304 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-10-15 03:07:48,304 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-10-15 03:07:48,304 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-10-15 03:07:48,305 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-10-15 03:07:48,306 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-10-15 03:07:48,307 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2019-10-15 03:07:48,341 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-10-15 03:07:48,342 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-15 03:07:48,347 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-15 03:07:48,347 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-10-15 03:07:48,348 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-10-15 03:07:48,348 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-15 03:07:48,348 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-10-15 03:07:48,348 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-10-15 03:07:48,348 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-10-15 03:07:48,349 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-10-15 03:07:48,349 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-10-15 03:07:48,349 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-15 03:07:48,349 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-10-15 03:07:48,349 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-10-15 03:07:48,350 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-10-15 03:07:48,350 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-10-15 03:07:48,350 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-10-15 03:07:48,351 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-15 03:07:48,351 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-10-15 03:07:48,351 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-10-15 03:07:48,351 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-10-15 03:07:48,352 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-15 03:07:48,352 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-15 03:07:48,352 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-10-15 03:07:48,353 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-15 03:07:48,353 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-10-15 03:07:48,353 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-15 03:07:48,353 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-15 03:07:48,353 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK
[2019-10-15 03:07:48,665 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-15 03:07:48,681 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-15 03:07:48,685 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-15 03:07:48,687 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-10-15 03:07:48,688 INFO  L275        PluginConnector]: CDTParser initialized
[2019-10-15 03:07:48,689 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_productSimulator.cil.c
[2019-10-15 03:07:48,766 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04bd271ed/0fee4bff4a3f4a1cbe012a990edb8693/FLAG41f030aa2
[2019-10-15 03:07:49,640 INFO  L306              CDTParser]: Found 1 translation units.
[2019-10-15 03:07:49,642 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec1_productSimulator.cil.c
[2019-10-15 03:07:49,678 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04bd271ed/0fee4bff4a3f4a1cbe012a990edb8693/FLAG41f030aa2
[2019-10-15 03:07:50,172 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04bd271ed/0fee4bff4a3f4a1cbe012a990edb8693
[2019-10-15 03:07:50,182 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-15 03:07:50,184 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-15 03:07:50,185 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-15 03:07:50,185 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-15 03:07:50,188 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-15 03:07:50,189 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:07:50" (1/1) ...
[2019-10-15 03:07:50,192 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@225cf470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:07:50, skipping insertion in model container
[2019-10-15 03:07:50,193 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:07:50" (1/1) ...
[2019-10-15 03:07:50,202 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-10-15 03:07:50,301 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-10-15 03:07:51,001 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-15 03:07:51,032 INFO  L188         MainTranslator]: Completed pre-run
[2019-10-15 03:07:51,190 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-15 03:07:51,308 INFO  L192         MainTranslator]: Completed translation
[2019-10-15 03:07:51,308 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:07:51 WrapperNode
[2019-10-15 03:07:51,309 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-15 03:07:51,309 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-15 03:07:51,310 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-15 03:07:51,310 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-10-15 03:07:51,325 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:07:51" (1/1) ...
[2019-10-15 03:07:51,325 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:07:51" (1/1) ...
[2019-10-15 03:07:51,367 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:07:51" (1/1) ...
[2019-10-15 03:07:51,368 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:07:51" (1/1) ...
[2019-10-15 03:07:51,446 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:07:51" (1/1) ...
[2019-10-15 03:07:51,486 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:07:51" (1/1) ...
[2019-10-15 03:07:51,502 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:07:51" (1/1) ...
[2019-10-15 03:07:51,537 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-15 03:07:51,538 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-15 03:07:51,538 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-10-15 03:07:51,540 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-10-15 03:07:51,544 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:07:51" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-15 03:07:51,630 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-15 03:07:51,630 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-15 03:07:51,631 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2019-10-15 03:07:51,631 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2019-10-15 03:07:51,631 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2019-10-15 03:07:51,632 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2019-10-15 03:07:51,633 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2019-10-15 03:07:51,633 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2019-10-15 03:07:51,633 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2019-10-15 03:07:51,633 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2019-10-15 03:07:51,633 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2019-10-15 03:07:51,634 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2019-10-15 03:07:51,634 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2019-10-15 03:07:51,635 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2019-10-15 03:07:51,635 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2019-10-15 03:07:51,635 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1
[2019-10-15 03:07:51,637 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2
[2019-10-15 03:07:51,637 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3
[2019-10-15 03:07:51,638 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4
[2019-10-15 03:07:51,638 INFO  L138     BoogieDeclarations]: Found implementation of procedure initFloors
[2019-10-15 03:07:51,638 INFO  L138     BoogieDeclarations]: Found implementation of procedure isFloorCalling
[2019-10-15 03:07:51,638 INFO  L138     BoogieDeclarations]: Found implementation of procedure resetCallOnFloor
[2019-10-15 03:07:51,639 INFO  L138     BoogieDeclarations]: Found implementation of procedure callOnFloor
[2019-10-15 03:07:51,639 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPersonOnFloor
[2019-10-15 03:07:51,639 INFO  L138     BoogieDeclarations]: Found implementation of procedure initPersonOnFloor
[2019-10-15 03:07:51,639 INFO  L138     BoogieDeclarations]: Found implementation of procedure removePersonFromFloor
[2019-10-15 03:07:51,639 INFO  L138     BoogieDeclarations]: Found implementation of procedure isTopFloor
[2019-10-15 03:07:51,639 INFO  L138     BoogieDeclarations]: Found implementation of procedure initTopDown
[2019-10-15 03:07:51,640 INFO  L138     BoogieDeclarations]: Found implementation of procedure initBottomUp
[2019-10-15 03:07:51,640 INFO  L138     BoogieDeclarations]: Found implementation of procedure isBlocked__before__overloaded
[2019-10-15 03:07:51,640 INFO  L138     BoogieDeclarations]: Found implementation of procedure isBlocked__role__overloaded
[2019-10-15 03:07:51,640 INFO  L138     BoogieDeclarations]: Found implementation of procedure isBlocked
[2019-10-15 03:07:51,640 INFO  L138     BoogieDeclarations]: Found implementation of procedure enterElevator__before__weight
[2019-10-15 03:07:51,640 INFO  L138     BoogieDeclarations]: Found implementation of procedure enterElevator__role__weight
[2019-10-15 03:07:51,641 INFO  L138     BoogieDeclarations]: Found implementation of procedure enterElevator
[2019-10-15 03:07:51,641 INFO  L138     BoogieDeclarations]: Found implementation of procedure leaveElevator__before__weight
[2019-10-15 03:07:51,641 INFO  L138     BoogieDeclarations]: Found implementation of procedure leaveElevator__role__weight
[2019-10-15 03:07:51,641 INFO  L138     BoogieDeclarations]: Found implementation of procedure leaveElevator__before__empty
[2019-10-15 03:07:51,641 INFO  L138     BoogieDeclarations]: Found implementation of procedure leaveElevator__role__empty
[2019-10-15 03:07:51,641 INFO  L138     BoogieDeclarations]: Found implementation of procedure leaveElevator
[2019-10-15 03:07:51,642 INFO  L138     BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton
[2019-10-15 03:07:51,642 INFO  L138     BoogieDeclarations]: Found implementation of procedure resetFloorButton
[2019-10-15 03:07:51,642 INFO  L138     BoogieDeclarations]: Found implementation of procedure getCurrentFloorID
[2019-10-15 03:07:51,642 INFO  L138     BoogieDeclarations]: Found implementation of procedure areDoorsOpen
[2019-10-15 03:07:51,642 INFO  L138     BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed
[2019-10-15 03:07:51,642 INFO  L138     BoogieDeclarations]: Found implementation of procedure getCurrentHeading
[2019-10-15 03:07:51,642 INFO  L138     BoogieDeclarations]: Found implementation of procedure isEmpty
[2019-10-15 03:07:51,643 INFO  L138     BoogieDeclarations]: Found implementation of procedure anyStopRequested
[2019-10-15 03:07:51,643 INFO  L138     BoogieDeclarations]: Found implementation of procedure isIdle
[2019-10-15 03:07:51,643 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__before__twothirdsfull
[2019-10-15 03:07:51,643 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__role__twothirdsfull
[2019-10-15 03:07:51,643 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__before__executivefloor
[2019-10-15 03:07:51,643 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__role__executivefloor
[2019-10-15 03:07:51,644 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection
[2019-10-15 03:07:51,644 INFO  L138     BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed
[2019-10-15 03:07:51,644 INFO  L138     BoogieDeclarations]: Found implementation of procedure continueInDirection
[2019-10-15 03:07:51,644 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__before__twothirdsfull
[2019-10-15 03:07:51,644 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__role__twothirdsfull
[2019-10-15 03:07:51,644 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__before__executivefloor
[2019-10-15 03:07:51,645 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__role__executivefloor
[2019-10-15 03:07:51,645 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor
[2019-10-15 03:07:51,645 INFO  L138     BoogieDeclarations]: Found implementation of procedure getReverseHeading
[2019-10-15 03:07:51,646 INFO  L138     BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor
[2019-10-15 03:07:51,646 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift__before__overloaded
[2019-10-15 03:07:51,646 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift__role__overloaded
[2019-10-15 03:07:51,646 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2019-10-15 03:07:51,646 INFO  L138     BoogieDeclarations]: Found implementation of procedure printState__before__overloaded
[2019-10-15 03:07:51,646 INFO  L138     BoogieDeclarations]: Found implementation of procedure printState__role__overloaded
[2019-10-15 03:07:51,647 INFO  L138     BoogieDeclarations]: Found implementation of procedure printState
[2019-10-15 03:07:51,647 INFO  L138     BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection
[2019-10-15 03:07:51,647 INFO  L138     BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling
[2019-10-15 03:07:51,647 INFO  L138     BoogieDeclarations]: Found implementation of procedure isExecutiveFloor
[2019-10-15 03:07:51,647 INFO  L138     BoogieDeclarations]: Found implementation of procedure spec1
[2019-10-15 03:07:51,648 INFO  L138     BoogieDeclarations]: Found implementation of procedure spec14
[2019-10-15 03:07:51,648 INFO  L138     BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07
[2019-10-15 03:07:51,648 INFO  L138     BoogieDeclarations]: Found implementation of procedure bobCall
[2019-10-15 03:07:51,649 INFO  L138     BoogieDeclarations]: Found implementation of procedure aliceCall
[2019-10-15 03:07:51,649 INFO  L138     BoogieDeclarations]: Found implementation of procedure angelinaCall
[2019-10-15 03:07:51,649 INFO  L138     BoogieDeclarations]: Found implementation of procedure chuckCall
[2019-10-15 03:07:51,650 INFO  L138     BoogieDeclarations]: Found implementation of procedure monicaCall
[2019-10-15 03:07:51,650 INFO  L138     BoogieDeclarations]: Found implementation of procedure bigMacCall
[2019-10-15 03:07:51,651 INFO  L138     BoogieDeclarations]: Found implementation of procedure threeTS
[2019-10-15 03:07:51,651 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2019-10-15 03:07:51,651 INFO  L138     BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions
[2019-10-15 03:07:51,651 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest_Simple
[2019-10-15 03:07:51,651 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification1
[2019-10-15 03:07:51,651 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2019-10-15 03:07:51,652 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification3
[2019-10-15 03:07:51,652 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2019-10-15 03:07:51,653 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2019-10-15 03:07:51,653 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-10-15 03:07:51,653 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWeight
[2019-10-15 03:07:51,653 INFO  L138     BoogieDeclarations]: Found implementation of procedure getOrigin
[2019-10-15 03:07:51,653 INFO  L138     BoogieDeclarations]: Found implementation of procedure getDestination
[2019-10-15 03:07:51,653 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-15 03:07:51,654 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-10-15 03:07:51,654 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2019-10-15 03:07:51,654 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2019-10-15 03:07:51,654 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2019-10-15 03:07:51,654 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2019-10-15 03:07:51,654 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2019-10-15 03:07:51,655 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2019-10-15 03:07:51,655 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2019-10-15 03:07:51,655 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2019-10-15 03:07:51,655 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-10-15 03:07:51,655 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-10-15 03:07:51,655 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-10-15 03:07:51,655 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-10-15 03:07:51,656 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2019-10-15 03:07:51,656 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-10-15 03:07:51,656 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2019-10-15 03:07:51,656 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2019-10-15 03:07:51,656 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-10-15 03:07:51,656 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2019-10-15 03:07:51,656 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2019-10-15 03:07:51,657 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-10-15 03:07:51,657 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2019-10-15 03:07:51,657 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2019-10-15 03:07:51,657 INFO  L130     BoogieDeclarations]: Found specification of procedure bigMacCall
[2019-10-15 03:07:51,658 INFO  L130     BoogieDeclarations]: Found specification of procedure angelinaCall
[2019-10-15 03:07:51,658 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2019-10-15 03:07:51,658 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2019-10-15 03:07:51,658 INFO  L130     BoogieDeclarations]: Found specification of procedure areDoorsOpen
[2019-10-15 03:07:51,658 INFO  L130     BoogieDeclarations]: Found specification of procedure getCurrentFloorID
[2019-10-15 03:07:51,660 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1
[2019-10-15 03:07:51,660 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2
[2019-10-15 03:07:51,660 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3
[2019-10-15 03:07:51,660 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4
[2019-10-15 03:07:51,660 INFO  L130     BoogieDeclarations]: Found specification of procedure isFloorCalling
[2019-10-15 03:07:51,661 INFO  L130     BoogieDeclarations]: Found specification of procedure resetCallOnFloor
[2019-10-15 03:07:51,661 INFO  L130     BoogieDeclarations]: Found specification of procedure callOnFloor
[2019-10-15 03:07:51,661 INFO  L130     BoogieDeclarations]: Found specification of procedure isPersonOnFloor
[2019-10-15 03:07:51,661 INFO  L130     BoogieDeclarations]: Found specification of procedure initPersonOnFloor
[2019-10-15 03:07:51,662 INFO  L130     BoogieDeclarations]: Found specification of procedure removePersonFromFloor
[2019-10-15 03:07:51,664 INFO  L130     BoogieDeclarations]: Found specification of procedure isTopFloor
[2019-10-15 03:07:51,664 INFO  L130     BoogieDeclarations]: Found specification of procedure initFloors
[2019-10-15 03:07:51,664 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2019-10-15 03:07:51,664 INFO  L130     BoogieDeclarations]: Found specification of procedure getWeight
[2019-10-15 03:07:51,665 INFO  L130     BoogieDeclarations]: Found specification of procedure getDestination
[2019-10-15 03:07:51,665 INFO  L130     BoogieDeclarations]: Found specification of procedure enterElevator
[2019-10-15 03:07:51,665 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2019-10-15 03:07:51,665 INFO  L130     BoogieDeclarations]: Found specification of procedure isBlocked
[2019-10-15 03:07:51,665 INFO  L130     BoogieDeclarations]: Found specification of procedure printState
[2019-10-15 03:07:51,665 INFO  L130     BoogieDeclarations]: Found specification of procedure isEmpty
[2019-10-15 03:07:51,665 INFO  L130     BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed
[2019-10-15 03:07:51,665 INFO  L130     BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed
[2019-10-15 03:07:51,665 INFO  L130     BoogieDeclarations]: Found specification of procedure initTopDown
[2019-10-15 03:07:51,666 INFO  L130     BoogieDeclarations]: Found specification of procedure initBottomUp
[2019-10-15 03:07:51,666 INFO  L130     BoogieDeclarations]: Found specification of procedure isIdle
[2019-10-15 03:07:51,666 INFO  L130     BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling
[2019-10-15 03:07:51,666 INFO  L130     BoogieDeclarations]: Found specification of procedure isExecutiveFloor
[2019-10-15 03:07:51,666 INFO  L130     BoogieDeclarations]: Found specification of procedure isBlocked__before__overloaded
[2019-10-15 03:07:51,668 INFO  L130     BoogieDeclarations]: Found specification of procedure isBlocked__role__overloaded
[2019-10-15 03:07:51,669 INFO  L130     BoogieDeclarations]: Found specification of procedure enterElevator__before__weight
[2019-10-15 03:07:51,669 INFO  L130     BoogieDeclarations]: Found specification of procedure enterElevator__role__weight
[2019-10-15 03:07:51,669 INFO  L130     BoogieDeclarations]: Found specification of procedure leaveElevator__before__weight
[2019-10-15 03:07:51,669 INFO  L130     BoogieDeclarations]: Found specification of procedure leaveElevator__role__weight
[2019-10-15 03:07:51,670 INFO  L130     BoogieDeclarations]: Found specification of procedure leaveElevator__before__empty
[2019-10-15 03:07:51,670 INFO  L130     BoogieDeclarations]: Found specification of procedure leaveElevator__role__empty
[2019-10-15 03:07:51,670 INFO  L130     BoogieDeclarations]: Found specification of procedure leaveElevator
[2019-10-15 03:07:51,670 INFO  L130     BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton
[2019-10-15 03:07:51,671 INFO  L130     BoogieDeclarations]: Found specification of procedure resetFloorButton
[2019-10-15 03:07:51,671 INFO  L130     BoogieDeclarations]: Found specification of procedure getCurrentHeading
[2019-10-15 03:07:51,671 INFO  L130     BoogieDeclarations]: Found specification of procedure anyStopRequested
[2019-10-15 03:07:51,671 INFO  L130     BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__before__twothirdsfull
[2019-10-15 03:07:51,671 INFO  L130     BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__role__twothirdsfull
[2019-10-15 03:07:51,671 INFO  L130     BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__before__executivefloor
[2019-10-15 03:07:51,671 INFO  L130     BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__role__executivefloor
[2019-10-15 03:07:51,672 INFO  L130     BoogieDeclarations]: Found specification of procedure stopRequestedInDirection
[2019-10-15 03:07:51,672 INFO  L130     BoogieDeclarations]: Found specification of procedure continueInDirection
[2019-10-15 03:07:51,672 INFO  L130     BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__before__twothirdsfull
[2019-10-15 03:07:51,672 INFO  L130     BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__role__twothirdsfull
[2019-10-15 03:07:51,672 INFO  L130     BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__before__executivefloor
[2019-10-15 03:07:51,672 INFO  L130     BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__role__executivefloor
[2019-10-15 03:07:51,673 INFO  L130     BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor
[2019-10-15 03:07:51,673 INFO  L130     BoogieDeclarations]: Found specification of procedure getReverseHeading
[2019-10-15 03:07:51,673 INFO  L130     BoogieDeclarations]: Found specification of procedure processWaitingOnFloor
[2019-10-15 03:07:51,673 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift__before__overloaded
[2019-10-15 03:07:51,673 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift__role__overloaded
[2019-10-15 03:07:51,673 INFO  L130     BoogieDeclarations]: Found specification of procedure printState__before__overloaded
[2019-10-15 03:07:51,673 INFO  L130     BoogieDeclarations]: Found specification of procedure printState__role__overloaded
[2019-10-15 03:07:51,674 INFO  L130     BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection
[2019-10-15 03:07:51,674 INFO  L130     BoogieDeclarations]: Found specification of procedure getOrigin
[2019-10-15 03:07:51,674 INFO  L130     BoogieDeclarations]: Found specification of procedure spec1
[2019-10-15 03:07:51,674 INFO  L130     BoogieDeclarations]: Found specification of procedure spec14
[2019-10-15 03:07:51,674 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2019-10-15 03:07:51,674 INFO  L130     BoogieDeclarations]: Found specification of procedure get_nondetMinMax07
[2019-10-15 03:07:51,675 INFO  L130     BoogieDeclarations]: Found specification of procedure bobCall
[2019-10-15 03:07:51,675 INFO  L130     BoogieDeclarations]: Found specification of procedure aliceCall
[2019-10-15 03:07:51,675 INFO  L130     BoogieDeclarations]: Found specification of procedure chuckCall
[2019-10-15 03:07:51,675 INFO  L130     BoogieDeclarations]: Found specification of procedure monicaCall
[2019-10-15 03:07:51,675 INFO  L130     BoogieDeclarations]: Found specification of procedure threeTS
[2019-10-15 03:07:51,676 INFO  L130     BoogieDeclarations]: Found specification of procedure randomSequenceOfActions
[2019-10-15 03:07:51,676 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest_Simple
[2019-10-15 03:07:51,676 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification1
[2019-10-15 03:07:51,676 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2019-10-15 03:07:51,676 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification3
[2019-10-15 03:07:51,677 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2019-10-15 03:07:51,677 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2019-10-15 03:07:51,677 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-10-15 03:07:51,677 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-15 03:07:51,677 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2019-10-15 03:07:51,678 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-15 03:07:59,395 INFO  L279             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-15 03:07:59,395 INFO  L284             CfgBuilder]: Removed 10 assume(true) statements.
[2019-10-15 03:07:59,397 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:07:59 BoogieIcfgContainer
[2019-10-15 03:07:59,397 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-15 03:07:59,400 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-10-15 03:07:59,400 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-10-15 03:07:59,403 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-10-15 03:07:59,404 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:07:50" (1/3) ...
[2019-10-15 03:07:59,409 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34e25ad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:07:59, skipping insertion in model container
[2019-10-15 03:07:59,410 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:07:51" (2/3) ...
[2019-10-15 03:07:59,410 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34e25ad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:07:59, skipping insertion in model container
[2019-10-15 03:07:59,410 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:07:59" (3/3) ...
[2019-10-15 03:07:59,412 INFO  L109   eAbstractionObserver]: Analyzing ICFG elevator_spec1_productSimulator.cil.c
[2019-10-15 03:07:59,422 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-10-15 03:07:59,436 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-10-15 03:07:59,450 INFO  L249      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-10-15 03:07:59,525 INFO  L373      AbstractCegarLoop]: Interprodecural is true
[2019-10-15 03:07:59,526 INFO  L374      AbstractCegarLoop]: Hoare is true
[2019-10-15 03:07:59,526 INFO  L375      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-10-15 03:07:59,526 INFO  L376      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-10-15 03:07:59,526 INFO  L377      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-10-15 03:07:59,526 INFO  L378      AbstractCegarLoop]: Difference is false
[2019-10-15 03:07:59,533 INFO  L379      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-10-15 03:07:59,533 INFO  L383      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-10-15 03:07:59,586 INFO  L276                IsEmpty]: Start isEmpty. Operand 706 states.
[2019-10-15 03:07:59,605 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 125
[2019-10-15 03:07:59,606 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-15 03:07:59,608 INFO  L380         BasicCegarLoop]: trace histogram [5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-15 03:07:59,610 INFO  L410      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-15 03:07:59,616 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-15 03:07:59,617 INFO  L82        PathProgramCache]: Analyzing trace with hash -636742612, now seen corresponding path program 1 times
[2019-10-15 03:07:59,625 INFO  L157   tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-15 03:07:59,625 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988771481]
[2019-10-15 03:07:59,626 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-15 03:07:59,626 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-15 03:07:59,626 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-15 03:08:00,036 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-15 03:08:00,539 INFO  L134       CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked.
[2019-10-15 03:08:00,540 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988771481]
[2019-10-15 03:08:00,542 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-15 03:08:00,543 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2019-10-15 03:08:00,543 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616031528]
[2019-10-15 03:08:00,551 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 6 states
[2019-10-15 03:08:00,551 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-15 03:08:00,567 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2019-10-15 03:08:00,568 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2019-10-15 03:08:00,571 INFO  L87              Difference]: Start difference. First operand 706 states. Second operand 6 states.
[2019-10-15 03:08:00,874 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-15 03:08:00,875 INFO  L93              Difference]: Finished difference Result 1129 states and 1646 transitions.
[2019-10-15 03:08:00,875 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2019-10-15 03:08:00,877 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 124
[2019-10-15 03:08:00,878 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-15 03:08:00,935 INFO  L225             Difference]: With dead ends: 1129
[2019-10-15 03:08:00,935 INFO  L226             Difference]: Without dead ends: 570
[2019-10-15 03:08:00,957 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2019-10-15 03:08:00,983 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 570 states.
[2019-10-15 03:08:01,119 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 570.
[2019-10-15 03:08:01,124 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 570 states.
[2019-10-15 03:08:01,132 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 821 transitions.
[2019-10-15 03:08:01,135 INFO  L78                 Accepts]: Start accepts. Automaton has 570 states and 821 transitions. Word has length 124
[2019-10-15 03:08:01,137 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-15 03:08:01,137 INFO  L462      AbstractCegarLoop]: Abstraction has 570 states and 821 transitions.
[2019-10-15 03:08:01,137 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2019-10-15 03:08:01,137 INFO  L276                IsEmpty]: Start isEmpty. Operand 570 states and 821 transitions.
[2019-10-15 03:08:01,144 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 127
[2019-10-15 03:08:01,145 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-15 03:08:01,152 INFO  L380         BasicCegarLoop]: trace histogram [5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-15 03:08:01,153 INFO  L410      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-15 03:08:01,153 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-15 03:08:01,153 INFO  L82        PathProgramCache]: Analyzing trace with hash 811356133, now seen corresponding path program 1 times
[2019-10-15 03:08:01,153 INFO  L157   tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-15 03:08:01,154 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957398126]
[2019-10-15 03:08:01,154 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-15 03:08:01,157 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-15 03:08:01,157 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-15 03:08:01,345 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-15 03:08:01,812 INFO  L134       CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked.
[2019-10-15 03:08:01,813 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957398126]
[2019-10-15 03:08:01,813 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-15 03:08:01,814 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2019-10-15 03:08:01,814 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278236237]
[2019-10-15 03:08:01,820 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 4 states
[2019-10-15 03:08:01,821 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-15 03:08:01,821 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2019-10-15 03:08:01,822 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2019-10-15 03:08:01,822 INFO  L87              Difference]: Start difference. First operand 570 states and 821 transitions. Second operand 4 states.
[2019-10-15 03:08:03,757 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-15 03:08:03,758 INFO  L93              Difference]: Finished difference Result 1591 states and 2330 transitions.
[2019-10-15 03:08:03,758 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2019-10-15 03:08:03,759 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 126
[2019-10-15 03:08:03,759 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-15 03:08:03,768 INFO  L225             Difference]: With dead ends: 1591
[2019-10-15 03:08:03,768 INFO  L226             Difference]: Without dead ends: 1092
[2019-10-15 03:08:03,772 INFO  L600         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
[2019-10-15 03:08:03,775 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1092 states.
[2019-10-15 03:08:03,847 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1079.
[2019-10-15 03:08:03,847 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1079 states.
[2019-10-15 03:08:03,856 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 1561 transitions.
[2019-10-15 03:08:03,857 INFO  L78                 Accepts]: Start accepts. Automaton has 1079 states and 1561 transitions. Word has length 126
[2019-10-15 03:08:03,857 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-15 03:08:03,858 INFO  L462      AbstractCegarLoop]: Abstraction has 1079 states and 1561 transitions.
[2019-10-15 03:08:03,858 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2019-10-15 03:08:03,858 INFO  L276                IsEmpty]: Start isEmpty. Operand 1079 states and 1561 transitions.
[2019-10-15 03:08:03,863 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 128
[2019-10-15 03:08:03,863 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-15 03:08:03,864 INFO  L380         BasicCegarLoop]: trace histogram [5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-15 03:08:03,864 INFO  L410      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-15 03:08:03,864 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-15 03:08:03,865 INFO  L82        PathProgramCache]: Analyzing trace with hash -42944481, now seen corresponding path program 1 times
[2019-10-15 03:08:03,865 INFO  L157   tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-15 03:08:03,865 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028503636]
[2019-10-15 03:08:03,865 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-15 03:08:03,866 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-15 03:08:03,866 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-15 03:08:03,955 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-15 03:08:04,169 INFO  L134       CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked.
[2019-10-15 03:08:04,169 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028503636]
[2019-10-15 03:08:04,169 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-15 03:08:04,170 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2019-10-15 03:08:04,170 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482736708]
[2019-10-15 03:08:04,171 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 9 states
[2019-10-15 03:08:04,171 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-15 03:08:04,171 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2019-10-15 03:08:04,171 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72
[2019-10-15 03:08:04,172 INFO  L87              Difference]: Start difference. First operand 1079 states and 1561 transitions. Second operand 9 states.
[2019-10-15 03:08:13,897 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-15 03:08:13,897 INFO  L93              Difference]: Finished difference Result 2945 states and 4353 transitions.
[2019-10-15 03:08:13,899 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2019-10-15 03:08:13,899 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 127
[2019-10-15 03:08:13,901 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-15 03:08:13,936 INFO  L225             Difference]: With dead ends: 2945
[2019-10-15 03:08:13,936 INFO  L226             Difference]: Without dead ends: 1981
[2019-10-15 03:08:13,945 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462
[2019-10-15 03:08:13,950 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1981 states.
[2019-10-15 03:08:14,058 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1981 to 1932.
[2019-10-15 03:08:14,058 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1932 states.
[2019-10-15 03:08:14,071 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1932 states to 1932 states and 2756 transitions.
[2019-10-15 03:08:14,071 INFO  L78                 Accepts]: Start accepts. Automaton has 1932 states and 2756 transitions. Word has length 127
[2019-10-15 03:08:14,072 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-15 03:08:14,072 INFO  L462      AbstractCegarLoop]: Abstraction has 1932 states and 2756 transitions.
[2019-10-15 03:08:14,072 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2019-10-15 03:08:14,073 INFO  L276                IsEmpty]: Start isEmpty. Operand 1932 states and 2756 transitions.
[2019-10-15 03:08:14,076 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 129
[2019-10-15 03:08:14,076 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-15 03:08:14,077 INFO  L380         BasicCegarLoop]: trace histogram [5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-15 03:08:14,077 INFO  L410      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-15 03:08:14,077 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-15 03:08:14,077 INFO  L82        PathProgramCache]: Analyzing trace with hash -39693034, now seen corresponding path program 1 times
[2019-10-15 03:08:14,078 INFO  L157   tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-15 03:08:14,078 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444049605]
[2019-10-15 03:08:14,078 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-15 03:08:14,078 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-15 03:08:14,079 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-15 03:08:14,155 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-15 03:08:14,276 INFO  L134       CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked.
[2019-10-15 03:08:14,277 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444049605]
[2019-10-15 03:08:14,277 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-15 03:08:14,277 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-10-15 03:08:14,278 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511427432]
[2019-10-15 03:08:14,278 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-10-15 03:08:14,279 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-15 03:08:14,279 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-10-15 03:08:14,279 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-10-15 03:08:14,280 INFO  L87              Difference]: Start difference. First operand 1932 states and 2756 transitions. Second operand 3 states.
[2019-10-15 03:08:14,493 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-15 03:08:14,493 INFO  L93              Difference]: Finished difference Result 5557 states and 8013 transitions.
[2019-10-15 03:08:14,494 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2019-10-15 03:08:14,494 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 128
[2019-10-15 03:08:14,497 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-15 03:08:14,537 INFO  L225             Difference]: With dead ends: 5557
[2019-10-15 03:08:14,537 INFO  L226             Difference]: Without dead ends: 3744
[2019-10-15 03:08:14,548 INFO  L600         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
[2019-10-15 03:08:14,554 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3744 states.
[2019-10-15 03:08:14,822 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3744 to 3732.
[2019-10-15 03:08:14,823 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3732 states.
[2019-10-15 03:08:14,850 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3732 states to 3732 states and 5365 transitions.
[2019-10-15 03:08:14,851 INFO  L78                 Accepts]: Start accepts. Automaton has 3732 states and 5365 transitions. Word has length 128
[2019-10-15 03:08:14,852 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-15 03:08:14,852 INFO  L462      AbstractCegarLoop]: Abstraction has 3732 states and 5365 transitions.
[2019-10-15 03:08:14,852 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-10-15 03:08:14,852 INFO  L276                IsEmpty]: Start isEmpty. Operand 3732 states and 5365 transitions.
[2019-10-15 03:08:14,856 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 130
[2019-10-15 03:08:14,858 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-15 03:08:14,858 INFO  L380         BasicCegarLoop]: trace histogram [5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-15 03:08:14,859 INFO  L410      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-15 03:08:14,860 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-15 03:08:14,865 INFO  L82        PathProgramCache]: Analyzing trace with hash -1230838178, now seen corresponding path program 1 times
[2019-10-15 03:08:14,866 INFO  L157   tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-15 03:08:14,867 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900982952]
[2019-10-15 03:08:14,867 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-15 03:08:14,868 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-15 03:08:14,868 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-15 03:08:14,952 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-15 03:08:15,170 INFO  L134       CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked.
[2019-10-15 03:08:15,171 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900982952]
[2019-10-15 03:08:15,172 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-15 03:08:15,172 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2019-10-15 03:08:15,176 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209234824]
[2019-10-15 03:08:15,177 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 6 states
[2019-10-15 03:08:15,177 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-15 03:08:15,178 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2019-10-15 03:08:15,178 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2019-10-15 03:08:15,178 INFO  L87              Difference]: Start difference. First operand 3732 states and 5365 transitions. Second operand 6 states.
[2019-10-15 03:08:20,541 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-15 03:08:20,542 INFO  L93              Difference]: Finished difference Result 9952 states and 14864 transitions.
[2019-10-15 03:08:20,542 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2019-10-15 03:08:20,542 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 129
[2019-10-15 03:08:20,543 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-15 03:08:20,609 INFO  L225             Difference]: With dead ends: 9952
[2019-10-15 03:08:20,609 INFO  L226             Difference]: Without dead ends: 8116
[2019-10-15 03:08:20,626 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56
[2019-10-15 03:08:20,637 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8116 states.
[2019-10-15 03:08:21,242 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8116 to 8029.
[2019-10-15 03:08:21,242 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 8029 states.
[2019-10-15 03:08:21,289 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8029 states to 8029 states and 12094 transitions.
[2019-10-15 03:08:21,291 INFO  L78                 Accepts]: Start accepts. Automaton has 8029 states and 12094 transitions. Word has length 129
[2019-10-15 03:08:21,291 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-15 03:08:21,292 INFO  L462      AbstractCegarLoop]: Abstraction has 8029 states and 12094 transitions.
[2019-10-15 03:08:21,292 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2019-10-15 03:08:21,292 INFO  L276                IsEmpty]: Start isEmpty. Operand 8029 states and 12094 transitions.
[2019-10-15 03:08:21,300 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 169
[2019-10-15 03:08:21,300 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-15 03:08:21,301 INFO  L380         BasicCegarLoop]: trace histogram [5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-15 03:08:21,301 INFO  L410      AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-15 03:08:21,301 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-15 03:08:21,302 INFO  L82        PathProgramCache]: Analyzing trace with hash 1170189868, now seen corresponding path program 1 times
[2019-10-15 03:08:21,302 INFO  L157   tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-15 03:08:21,302 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672131644]
[2019-10-15 03:08:21,302 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-15 03:08:21,302 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-15 03:08:21,303 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-15 03:08:21,380 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-15 03:08:21,627 INFO  L134       CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked.
[2019-10-15 03:08:21,628 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672131644]
[2019-10-15 03:08:21,628 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-15 03:08:21,628 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2019-10-15 03:08:21,628 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941837249]
[2019-10-15 03:08:21,629 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 12 states
[2019-10-15 03:08:21,629 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-15 03:08:21,629 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2019-10-15 03:08:21,630 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132
[2019-10-15 03:08:21,630 INFO  L87              Difference]: Start difference. First operand 8029 states and 12094 transitions. Second operand 12 states.
[2019-10-15 03:08:22,718 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-15 03:08:22,718 INFO  L93              Difference]: Finished difference Result 16867 states and 25880 transitions.
[2019-10-15 03:08:22,719 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2019-10-15 03:08:22,719 INFO  L78                 Accepts]: Start accepts. Automaton has 12 states. Word has length 168
[2019-10-15 03:08:22,720 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-15 03:08:22,794 INFO  L225             Difference]: With dead ends: 16867
[2019-10-15 03:08:22,794 INFO  L226             Difference]: Without dead ends: 8965
[2019-10-15 03:08:22,846 INFO  L600         BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342
[2019-10-15 03:08:22,860 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8965 states.
[2019-10-15 03:08:24,083 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8965 to 8189.
[2019-10-15 03:08:24,083 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 8189 states.
[2019-10-15 03:08:24,120 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8189 states to 8189 states and 12302 transitions.
[2019-10-15 03:08:24,123 INFO  L78                 Accepts]: Start accepts. Automaton has 8189 states and 12302 transitions. Word has length 168
[2019-10-15 03:08:24,124 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-10-15 03:08:24,124 INFO  L462      AbstractCegarLoop]: Abstraction has 8189 states and 12302 transitions.
[2019-10-15 03:08:24,124 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 12 states.
[2019-10-15 03:08:24,124 INFO  L276                IsEmpty]: Start isEmpty. Operand 8189 states and 12302 transitions.
[2019-10-15 03:08:24,133 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 172
[2019-10-15 03:08:24,133 INFO  L372         BasicCegarLoop]: Found error trace
[2019-10-15 03:08:24,134 INFO  L380         BasicCegarLoop]: trace histogram [5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-15 03:08:24,134 INFO  L410      AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-15 03:08:24,134 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-10-15 03:08:24,134 INFO  L82        PathProgramCache]: Analyzing trace with hash -882495742, now seen corresponding path program 1 times
[2019-10-15 03:08:24,135 INFO  L157   tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-15 03:08:24,135 INFO  L342   tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602354392]
[2019-10-15 03:08:24,135 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-15 03:08:24,135 INFO  L116   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-15 03:08:24,135 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-15 03:08:24,204 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-15 03:08:24,351 INFO  L134       CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked.
[2019-10-15 03:08:24,352 INFO  L342   tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602354392]
[2019-10-15 03:08:24,352 INFO  L223   tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-15 03:08:24,353 INFO  L236   tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2019-10-15 03:08:24,353 INFO  L342   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584566919]
[2019-10-15 03:08:24,354 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 4 states
[2019-10-15 03:08:24,354 INFO  L137   tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-15 03:08:24,354 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2019-10-15 03:08:24,355 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2019-10-15 03:08:24,355 INFO  L87              Difference]: Start difference. First operand 8189 states and 12302 transitions. Second operand 4 states.