java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem05_label24_false-unreach-call.c


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This is Ultimate 0.1.23-0fd1304
[2018-10-23 17:22:30,206 INFO  L170        SettingsManager]: Resetting all preferences to default values...
[2018-10-23 17:22:30,208 INFO  L174        SettingsManager]: Resetting UltimateCore preferences to default values
[2018-10-23 17:22:30,223 INFO  L177        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-10-23 17:22:30,224 INFO  L174        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-10-23 17:22:30,225 INFO  L174        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-10-23 17:22:30,228 INFO  L174        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2018-10-23 17:22:30,234 INFO  L174        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2018-10-23 17:22:30,235 INFO  L174        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-10-23 17:22:30,236 INFO  L174        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2018-10-23 17:22:30,237 INFO  L174        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-10-23 17:22:30,238 INFO  L174        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-10-23 17:22:30,240 INFO  L174        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-10-23 17:22:30,242 INFO  L174        SettingsManager]: Resetting CodeCheck preferences to default values
[2018-10-23 17:22:30,243 INFO  L174        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-10-23 17:22:30,244 INFO  L174        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-10-23 17:22:30,246 INFO  L174        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-10-23 17:22:30,248 INFO  L177        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2018-10-23 17:22:30,249 INFO  L174        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2018-10-23 17:22:30,250 INFO  L174        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-10-23 17:22:30,251 INFO  L174        SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-10-23 17:22:30,252 INFO  L174        SettingsManager]: Resetting ReqPrinter preferences to default values
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[2018-10-23 17:22:30,255 INFO  L174        SettingsManager]: Resetting SmtParser preferences to default values
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[2018-10-23 17:22:30,257 INFO  L181        SettingsManager]: Finished resetting all preferences to default values...
[2018-10-23 17:22:30,258 INFO  L98         SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf
[2018-10-23 17:22:30,273 INFO  L110        SettingsManager]: Loading preferences was successful
[2018-10-23 17:22:30,273 INFO  L112        SettingsManager]: Preferences different from defaults after loading the file:
[2018-10-23 17:22:30,274 INFO  L131        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2018-10-23 17:22:30,274 INFO  L133        SettingsManager]:  * to procedures, called more than once=true
[2018-10-23 17:22:30,275 INFO  L131        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2018-10-23 17:22:30,275 INFO  L133        SettingsManager]:  * Create parallel compositions if possible=false
[2018-10-23 17:22:30,275 INFO  L133        SettingsManager]:  * Use SBE=true
[2018-10-23 17:22:30,275 INFO  L131        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-10-23 17:22:30,275 INFO  L133        SettingsManager]:  * Overapproximate operations on floating types=true
[2018-10-23 17:22:30,276 INFO  L133        SettingsManager]:  * Check division by zero=IGNORE
[2018-10-23 17:22:30,276 INFO  L133        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2018-10-23 17:22:30,276 INFO  L133        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-10-23 17:22:30,276 INFO  L133        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2018-10-23 17:22:30,276 INFO  L133        SettingsManager]:  * Check if freed pointer was valid=false
[2018-10-23 17:22:30,276 INFO  L133        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2018-10-23 17:22:30,277 INFO  L131        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-10-23 17:22:30,277 INFO  L133        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2018-10-23 17:22:30,277 INFO  L133        SettingsManager]:  * To the following directory=./dump/
[2018-10-23 17:22:30,277 INFO  L133        SettingsManager]:  * SMT solver=External_DefaultMode
[2018-10-23 17:22:30,277 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-10-23 17:22:30,278 INFO  L131        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-10-23 17:22:30,278 INFO  L133        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2018-10-23 17:22:30,278 INFO  L133        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2018-10-23 17:22:30,278 INFO  L133        SettingsManager]:  * Trace refinement strategy=CAMEL
[2018-10-23 17:22:30,278 INFO  L133        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2018-10-23 17:22:30,278 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-10-23 17:22:30,279 INFO  L133        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2018-10-23 17:22:30,279 INFO  L133        SettingsManager]:  * To the following directory=dump/
[2018-10-23 17:22:30,343 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2018-10-23 17:22:30,358 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2018-10-23 17:22:30,363 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2018-10-23 17:22:30,365 INFO  L271        PluginConnector]: Initializing CDTParser...
[2018-10-23 17:22:30,365 INFO  L276        PluginConnector]: CDTParser initialized
[2018-10-23 17:22:30,366 INFO  L418   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem05_label24_false-unreach-call.c
[2018-10-23 17:22:30,428 INFO  L218              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/4f5916d14/01bf598fb12742e79ffb6976e26f019d/FLAG7e500dd23
[2018-10-23 17:22:31,436 INFO  L298              CDTParser]: Found 1 translation units.
[2018-10-23 17:22:31,438 INFO  L158              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem05_label24_false-unreach-call.c
[2018-10-23 17:22:31,493 INFO  L346              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/4f5916d14/01bf598fb12742e79ffb6976e26f019d/FLAG7e500dd23
[2018-10-23 17:22:31,509 INFO  L354              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/4f5916d14/01bf598fb12742e79ffb6976e26f019d
[2018-10-23 17:22:31,521 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-10-23 17:22:31,523 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2018-10-23 17:22:31,524 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-10-23 17:22:31,524 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-10-23 17:22:31,533 INFO  L276        PluginConnector]: CACSL2BoogieTranslator initialized
[2018-10-23 17:22:31,534 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 05:22:31" (1/1) ...
[2018-10-23 17:22:31,537 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7acf1635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:22:31, skipping insertion in model container
[2018-10-23 17:22:31,538 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 05:22:31" (1/1) ...
[2018-10-23 17:22:31,549 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2018-10-23 17:22:31,843 INFO  L174         MainTranslator]: Built tables and reachable declarations
[2018-10-23 17:22:34,153 INFO  L202          PostProcessor]: Analyzing one entry point: main
[2018-10-23 17:22:34,158 INFO  L189         MainTranslator]: Completed pre-run
[2018-10-23 17:22:35,410 INFO  L202          PostProcessor]: Analyzing one entry point: main
[2018-10-23 17:22:35,489 INFO  L193         MainTranslator]: Completed translation
[2018-10-23 17:22:35,490 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:22:35 WrapperNode
[2018-10-23 17:22:35,490 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-10-23 17:22:35,492 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2018-10-23 17:22:35,492 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2018-10-23 17:22:35,492 INFO  L276        PluginConnector]: Boogie Procedure Inliner initialized
[2018-10-23 17:22:35,503 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:22:35" (1/1) ...
[2018-10-23 17:22:35,584 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:22:35" (1/1) ...
[2018-10-23 17:22:36,330 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2018-10-23 17:22:36,331 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-10-23 17:22:36,331 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2018-10-23 17:22:36,331 INFO  L276        PluginConnector]: Boogie Preprocessor initialized
[2018-10-23 17:22:36,342 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:22:35" (1/1) ...
[2018-10-23 17:22:36,342 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:22:35" (1/1) ...
[2018-10-23 17:22:36,378 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:22:35" (1/1) ...
[2018-10-23 17:22:36,378 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:22:35" (1/1) ...
[2018-10-23 17:22:36,501 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:22:35" (1/1) ...
[2018-10-23 17:22:36,596 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:22:35" (1/1) ...
[2018-10-23 17:22:36,661 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:22:35" (1/1) ...
[2018-10-23 17:22:36,720 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-10-23 17:22:36,721 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-10-23 17:22:36,721 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2018-10-23 17:22:36,721 INFO  L276        PluginConnector]: RCFGBuilder initialized
[2018-10-23 17:22:36,722 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:22:35" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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
[2018-10-23 17:22:36,795 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2018-10-23 17:22:36,795 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-10-23 17:22:36,795 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-10-23 17:22:51,184 INFO  L341             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-10-23 17:22:51,185 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 05:22:51 BoogieIcfgContainer
[2018-10-23 17:22:51,186 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-10-23 17:22:51,187 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-10-23 17:22:51,187 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2018-10-23 17:22:51,190 INFO  L276        PluginConnector]: TraceAbstraction initialized
[2018-10-23 17:22:51,191 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 05:22:31" (1/3) ...
[2018-10-23 17:22:51,191 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@691d3b35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 05:22:51, skipping insertion in model container
[2018-10-23 17:22:51,192 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:22:35" (2/3) ...
[2018-10-23 17:22:51,192 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@691d3b35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 05:22:51, skipping insertion in model container
[2018-10-23 17:22:51,192 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 05:22:51" (3/3) ...
[2018-10-23 17:22:51,194 INFO  L112   eAbstractionObserver]: Analyzing ICFG Problem05_label24_false-unreach-call.c
[2018-10-23 17:22:51,203 INFO  L136   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2018-10-23 17:22:51,214 INFO  L148   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2018-10-23 17:22:51,233 INFO  L257      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2018-10-23 17:22:51,296 INFO  L135   ementStrategyFactory]: Using default assertion order modulation
[2018-10-23 17:22:51,297 INFO  L382      AbstractCegarLoop]: Interprodecural is true
[2018-10-23 17:22:51,297 INFO  L383      AbstractCegarLoop]: Hoare is true
[2018-10-23 17:22:51,297 INFO  L384      AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-10-23 17:22:51,297 INFO  L385      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2018-10-23 17:22:51,297 INFO  L386      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-10-23 17:22:51,298 INFO  L387      AbstractCegarLoop]: Difference is false
[2018-10-23 17:22:51,298 INFO  L388      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-10-23 17:22:51,298 INFO  L393      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-10-23 17:22:51,357 INFO  L276                IsEmpty]: Start isEmpty. Operand 2186 states.
[2018-10-23 17:22:51,496 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1658
[2018-10-23 17:22:51,497 INFO  L367         BasicCegarLoop]: Found error trace
[2018-10-23 17:22:51,500 INFO  L375         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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-10-23 17:22:51,502 INFO  L424      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-10-23 17:22:51,508 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-10-23 17:22:51,510 INFO  L82        PathProgramCache]: Analyzing trace with hash 1841279394, now seen corresponding path program 1 times
[2018-10-23 17:22:51,512 INFO  L225   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-10-23 17:22:51,512 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-10-23 17:22:51,565 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-23 17:22:51,565 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-10-23 17:22:51,565 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-23 17:22:52,119 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-10-23 17:22:56,033 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-10-23 17:22:56,036 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-10-23 17:22:56,037 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2018-10-23 17:22:56,044 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 4 states
[2018-10-23 17:22:56,057 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2018-10-23 17:22:56,058 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2018-10-23 17:22:56,060 INFO  L87              Difference]: Start difference. First operand 2186 states. Second operand 4 states.
[2018-10-23 17:23:16,308 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-10-23 17:23:16,309 INFO  L93              Difference]: Finished difference Result 7917 states and 15105 transitions.
[2018-10-23 17:23:16,310 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2018-10-23 17:23:16,312 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 1657
[2018-10-23 17:23:16,321 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-10-23 17:23:16,382 INFO  L225             Difference]: With dead ends: 7917
[2018-10-23 17:23:16,382 INFO  L226             Difference]: Without dead ends: 5724
[2018-10-23 17:23:16,395 INFO  L605         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2018-10-23 17:23:16,418 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5724 states.
[2018-10-23 17:23:16,619 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5724 to 5714.
[2018-10-23 17:23:16,621 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5714 states.
[2018-10-23 17:23:16,642 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5714 states to 5714 states and 9355 transitions.
[2018-10-23 17:23:16,644 INFO  L78                 Accepts]: Start accepts. Automaton has 5714 states and 9355 transitions. Word has length 1657
[2018-10-23 17:23:16,648 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-10-23 17:23:16,649 INFO  L481      AbstractCegarLoop]: Abstraction has 5714 states and 9355 transitions.
[2018-10-23 17:23:16,649 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2018-10-23 17:23:16,649 INFO  L276                IsEmpty]: Start isEmpty. Operand 5714 states and 9355 transitions.
[2018-10-23 17:23:16,734 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1676
[2018-10-23 17:23:16,734 INFO  L367         BasicCegarLoop]: Found error trace
[2018-10-23 17:23:16,736 INFO  L375         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-10-23 17:23:16,736 INFO  L424      AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-10-23 17:23:16,736 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-10-23 17:23:16,737 INFO  L82        PathProgramCache]: Analyzing trace with hash 865503582, now seen corresponding path program 1 times
[2018-10-23 17:23:16,737 INFO  L225   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-10-23 17:23:16,738 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-10-23 17:23:16,739 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-23 17:23:16,739 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-10-23 17:23:16,739 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-23 17:23:16,881 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-10-23 17:23:18,421 INFO  L134       CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2018-10-23 17:23:18,422 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-10-23 17:23:18,422 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-10-23 17:23:18,427 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 3 states
[2018-10-23 17:23:18,427 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-10-23 17:23:18,428 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-10-23 17:23:18,428 INFO  L87              Difference]: Start difference. First operand 5714 states and 9355 transitions. Second operand 3 states.
[2018-10-23 17:23:30,058 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-10-23 17:23:30,058 INFO  L93              Difference]: Finished difference Result 16645 states and 27454 transitions.
[2018-10-23 17:23:30,059 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2018-10-23 17:23:30,059 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 1675
[2018-10-23 17:23:30,059 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-10-23 17:23:30,114 INFO  L225             Difference]: With dead ends: 16645
[2018-10-23 17:23:30,115 INFO  L226             Difference]: Without dead ends: 10933
[2018-10-23 17:23:30,128 INFO  L605         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-10-23 17:23:30,140 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10933 states.
[2018-10-23 17:23:30,364 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10933 to 10848.
[2018-10-23 17:23:30,365 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 10848 states.
[2018-10-23 17:23:30,395 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10848 states to 10848 states and 16481 transitions.
[2018-10-23 17:23:30,395 INFO  L78                 Accepts]: Start accepts. Automaton has 10848 states and 16481 transitions. Word has length 1675
[2018-10-23 17:23:30,396 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-10-23 17:23:30,396 INFO  L481      AbstractCegarLoop]: Abstraction has 10848 states and 16481 transitions.
[2018-10-23 17:23:30,396 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2018-10-23 17:23:30,396 INFO  L276                IsEmpty]: Start isEmpty. Operand 10848 states and 16481 transitions.
[2018-10-23 17:23:30,456 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1695
[2018-10-23 17:23:30,456 INFO  L367         BasicCegarLoop]: Found error trace
[2018-10-23 17:23:30,458 INFO  L375         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-10-23 17:23:30,458 INFO  L424      AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-10-23 17:23:30,458 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-10-23 17:23:30,460 INFO  L82        PathProgramCache]: Analyzing trace with hash -812044757, now seen corresponding path program 1 times
[2018-10-23 17:23:30,461 INFO  L225   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-10-23 17:23:30,461 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-10-23 17:23:30,462 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-23 17:23:30,463 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-10-23 17:23:30,463 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-23 17:23:30,584 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-10-23 17:23:32,014 INFO  L134       CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-10-23 17:23:32,014 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-10-23 17:23:32,014 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2018-10-23 17:23:32,016 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 4 states
[2018-10-23 17:23:32,016 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2018-10-23 17:23:32,016 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2018-10-23 17:23:32,017 INFO  L87              Difference]: Start difference. First operand 10848 states and 16481 transitions. Second operand 4 states.
[2018-10-23 17:23:47,863 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-10-23 17:23:47,863 INFO  L93              Difference]: Finished difference Result 42129 states and 64305 transitions.
[2018-10-23 17:23:47,866 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2018-10-23 17:23:47,866 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 1694
[2018-10-23 17:23:47,867 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-10-23 17:23:47,970 INFO  L225             Difference]: With dead ends: 42129
[2018-10-23 17:23:47,971 INFO  L226             Difference]: Without dead ends: 31283
[2018-10-23 17:23:47,994 INFO  L605         BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2018-10-23 17:23:48,026 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 31283 states.
[2018-10-23 17:23:48,541 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 31283 to 31248.
[2018-10-23 17:23:48,541 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 31248 states.
[2018-10-23 17:23:48,596 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 31248 states to 31248 states and 43049 transitions.
[2018-10-23 17:23:48,596 INFO  L78                 Accepts]: Start accepts. Automaton has 31248 states and 43049 transitions. Word has length 1694
[2018-10-23 17:23:48,599 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-10-23 17:23:48,599 INFO  L481      AbstractCegarLoop]: Abstraction has 31248 states and 43049 transitions.
[2018-10-23 17:23:48,599 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2018-10-23 17:23:48,599 INFO  L276                IsEmpty]: Start isEmpty. Operand 31248 states and 43049 transitions.
[2018-10-23 17:23:48,691 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1696
[2018-10-23 17:23:48,691 INFO  L367         BasicCegarLoop]: Found error trace
[2018-10-23 17:23:48,693 INFO  L375         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-10-23 17:23:48,693 INFO  L424      AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-10-23 17:23:48,693 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-10-23 17:23:48,694 INFO  L82        PathProgramCache]: Analyzing trace with hash 1326575811, now seen corresponding path program 1 times
[2018-10-23 17:23:48,694 INFO  L225   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-10-23 17:23:48,694 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-10-23 17:23:48,699 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-23 17:23:48,700 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-10-23 17:23:48,700 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-23 17:23:48,805 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-10-23 17:23:50,260 INFO  L134       CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-10-23 17:23:50,261 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-10-23 17:23:50,261 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-10-23 17:23:50,263 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 3 states
[2018-10-23 17:23:50,264 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-10-23 17:23:50,264 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-10-23 17:23:50,264 INFO  L87              Difference]: Start difference. First operand 31248 states and 43049 transitions. Second operand 3 states.
[2018-10-23 17:24:00,281 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-10-23 17:24:00,281 INFO  L93              Difference]: Finished difference Result 91371 states and 125623 transitions.
[2018-10-23 17:24:00,281 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2018-10-23 17:24:00,282 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 1695
[2018-10-23 17:24:00,282 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-10-23 17:24:00,426 INFO  L225             Difference]: With dead ends: 91371
[2018-10-23 17:24:00,427 INFO  L226             Difference]: Without dead ends: 60125
[2018-10-23 17:24:00,475 INFO  L605         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-10-23 17:24:00,531 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 60125 states.
[2018-10-23 17:24:01,261 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 60125 to 60125.
[2018-10-23 17:24:01,261 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 60125 states.
[2018-10-23 17:24:01,345 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 60125 states to 60125 states and 79363 transitions.
[2018-10-23 17:24:01,346 INFO  L78                 Accepts]: Start accepts. Automaton has 60125 states and 79363 transitions. Word has length 1695
[2018-10-23 17:24:01,346 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-10-23 17:24:01,346 INFO  L481      AbstractCegarLoop]: Abstraction has 60125 states and 79363 transitions.
[2018-10-23 17:24:01,346 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2018-10-23 17:24:01,347 INFO  L276                IsEmpty]: Start isEmpty. Operand 60125 states and 79363 transitions.
[2018-10-23 17:24:01,428 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1724
[2018-10-23 17:24:01,428 INFO  L367         BasicCegarLoop]: Found error trace
[2018-10-23 17:24:01,430 INFO  L375         BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-10-23 17:24:01,430 INFO  L424      AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-10-23 17:24:01,430 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-10-23 17:24:01,431 INFO  L82        PathProgramCache]: Analyzing trace with hash 208511591, now seen corresponding path program 1 times
[2018-10-23 17:24:01,431 INFO  L225   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-10-23 17:24:01,431 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-10-23 17:24:01,432 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-23 17:24:01,433 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-10-23 17:24:01,433 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-23 17:24:01,530 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-10-23 17:24:01,843 WARN  L179               SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4
[2018-10-23 17:24:03,979 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 74 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked.
[2018-10-23 17:24:03,979 INFO  L300   seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more.
[2018-10-23 17:24:03,980 INFO  L225   ckRefinementStrategy]: Switched to mode Z3_FP
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000
[2018-10-23 17:24:03,994 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-10-23 17:24:04,433 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-10-23 17:24:04,493 INFO  L273         TraceCheckSpWp]: Computing forward predicates...
[2018-10-23 17:24:05,954 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2018-10-23 17:24:05,977 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2018-10-23 17:24:05,978 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5
[2018-10-23 17:24:05,984 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 5 states
[2018-10-23 17:24:05,984 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2018-10-23 17:24:05,984 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2018-10-23 17:24:05,984 INFO  L87              Difference]: Start difference. First operand 60125 states and 79363 transitions. Second operand 5 states.
[2018-10-23 17:24:37,182 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-10-23 17:24:37,182 INFO  L93              Difference]: Finished difference Result 288574 states and 376064 transitions.
[2018-10-23 17:24:37,183 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2018-10-23 17:24:37,183 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 1723
[2018-10-23 17:24:37,183 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-10-23 17:24:37,588 INFO  L225             Difference]: With dead ends: 288574
[2018-10-23 17:24:37,589 INFO  L226             Difference]: Without dead ends: 228451
[2018-10-23 17:24:37,684 INFO  L605         BasicCegarLoop]: 0 DeclaredPredicates, 1731 GetRequests, 1724 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2018-10-23 17:24:37,893 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 228451 states.
[2018-10-23 17:24:40,205 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 228451 to 228402.
[2018-10-23 17:24:40,206 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 228402 states.
[2018-10-23 17:24:40,576 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 228402 states to 228402 states and 260008 transitions.
[2018-10-23 17:24:40,577 INFO  L78                 Accepts]: Start accepts. Automaton has 228402 states and 260008 transitions. Word has length 1723
[2018-10-23 17:24:40,577 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-10-23 17:24:40,578 INFO  L481      AbstractCegarLoop]: Abstraction has 228402 states and 260008 transitions.
[2018-10-23 17:24:40,578 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2018-10-23 17:24:40,578 INFO  L276                IsEmpty]: Start isEmpty. Operand 228402 states and 260008 transitions.
[2018-10-23 17:24:40,952 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1814
[2018-10-23 17:24:40,952 INFO  L367         BasicCegarLoop]: Found error trace
[2018-10-23 17:24:40,954 INFO  L375         BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-10-23 17:24:40,954 INFO  L424      AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-10-23 17:24:40,954 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-10-23 17:24:40,955 INFO  L82        PathProgramCache]: Analyzing trace with hash -1256685395, now seen corresponding path program 1 times
[2018-10-23 17:24:40,955 INFO  L225   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-10-23 17:24:40,955 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-10-23 17:24:40,957 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-23 17:24:40,957 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-10-23 17:24:40,957 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-23 17:24:41,078 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-10-23 17:24:41,635 WARN  L179               SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 7
[2018-10-23 17:24:41,903 WARN  L179               SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 7
[2018-10-23 17:24:44,416 INFO  L134       CoverageAnalysis]: Checked inductivity of 221 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked.
[2018-10-23 17:24:44,416 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-10-23 17:24:44,416 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2018-10-23 17:24:44,418 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 5 states
[2018-10-23 17:24:44,418 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2018-10-23 17:24:44,418 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2018-10-23 17:24:44,418 INFO  L87              Difference]: Start difference. First operand 228402 states and 260008 transitions. Second operand 5 states.
[2018-10-23 17:25:00,337 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-10-23 17:25:00,338 INFO  L93              Difference]: Finished difference Result 530101 states and 606377 transitions.
[2018-10-23 17:25:00,338 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2018-10-23 17:25:00,338 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 1813
[2018-10-23 17:25:00,338 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-10-23 17:25:00,690 INFO  L225             Difference]: With dead ends: 530101
[2018-10-23 17:25:00,690 INFO  L226             Difference]: Without dead ends: 301701
[2018-10-23 17:25:00,818 INFO  L605         BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2018-10-23 17:25:01,054 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 301701 states.
[2018-10-23 17:25:03,776 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 301701 to 301459.
[2018-10-23 17:25:03,776 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 301459 states.
[2018-10-23 17:25:04,106 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 301459 states to 301459 states and 336291 transitions.
[2018-10-23 17:25:04,106 INFO  L78                 Accepts]: Start accepts. Automaton has 301459 states and 336291 transitions. Word has length 1813
[2018-10-23 17:25:04,107 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-10-23 17:25:04,107 INFO  L481      AbstractCegarLoop]: Abstraction has 301459 states and 336291 transitions.
[2018-10-23 17:25:04,107 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2018-10-23 17:25:04,107 INFO  L276                IsEmpty]: Start isEmpty. Operand 301459 states and 336291 transitions.
[2018-10-23 17:25:04,342 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1846
[2018-10-23 17:25:04,342 INFO  L367         BasicCegarLoop]: Found error trace
[2018-10-23 17:25:04,344 INFO  L375         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-10-23 17:25:04,345 INFO  L424      AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-10-23 17:25:04,345 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-10-23 17:25:04,345 INFO  L82        PathProgramCache]: Analyzing trace with hash 1655558186, now seen corresponding path program 1 times
[2018-10-23 17:25:04,347 INFO  L225   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-10-23 17:25:04,347 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-10-23 17:25:04,348 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-23 17:25:04,348 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-10-23 17:25:04,348 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-23 17:25:04,485 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-10-23 17:25:13,050 INFO  L134       CoverageAnalysis]: Checked inductivity of 267 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked.
[2018-10-23 17:25:13,050 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-10-23 17:25:13,051 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-10-23 17:25:13,052 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 3 states
[2018-10-23 17:25:13,052 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-10-23 17:25:13,052 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-10-23 17:25:13,052 INFO  L87              Difference]: Start difference. First operand 301459 states and 336291 transitions. Second operand 3 states.
[2018-10-23 17:25:23,102 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-10-23 17:25:23,103 INFO  L93              Difference]: Finished difference Result 597716 states and 665990 transitions.
[2018-10-23 17:25:23,103 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2018-10-23 17:25:23,104 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 1845
[2018-10-23 17:25:23,104 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-10-23 17:25:24,197 INFO  L225             Difference]: With dead ends: 597716
[2018-10-23 17:25:24,197 INFO  L226             Difference]: Without dead ends: 286011
[2018-10-23 17:25:24,322 INFO  L605         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-10-23 17:25:24,499 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 286011 states.
[2018-10-23 17:25:26,356 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 286011 to 282611.
[2018-10-23 17:25:26,357 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 282611 states.
[2018-10-23 17:25:28,026 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 282611 states to 282611 states and 303073 transitions.
[2018-10-23 17:25:28,027 INFO  L78                 Accepts]: Start accepts. Automaton has 282611 states and 303073 transitions. Word has length 1845
[2018-10-23 17:25:28,027 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-10-23 17:25:28,027 INFO  L481      AbstractCegarLoop]: Abstraction has 282611 states and 303073 transitions.
[2018-10-23 17:25:28,027 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2018-10-23 17:25:28,028 INFO  L276                IsEmpty]: Start isEmpty. Operand 282611 states and 303073 transitions.
[2018-10-23 17:25:28,252 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2044
[2018-10-23 17:25:28,252 INFO  L367         BasicCegarLoop]: Found error trace
[2018-10-23 17:25:28,254 INFO  L375         BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-10-23 17:25:28,254 INFO  L424      AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-10-23 17:25:28,254 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-10-23 17:25:28,255 INFO  L82        PathProgramCache]: Analyzing trace with hash -304725733, now seen corresponding path program 1 times
[2018-10-23 17:25:28,255 INFO  L225   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-10-23 17:25:28,255 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-10-23 17:25:28,256 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-23 17:25:28,257 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-10-23 17:25:28,257 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-23 17:25:28,369 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-10-23 17:25:29,071 WARN  L179               SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 11
[2018-10-23 17:25:31,065 INFO  L134       CoverageAnalysis]: Checked inductivity of 743 backedges. 541 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked.
[2018-10-23 17:25:31,066 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-10-23 17:25:31,066 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2018-10-23 17:25:31,067 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 4 states
[2018-10-23 17:25:31,067 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2018-10-23 17:25:31,067 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2018-10-23 17:25:31,068 INFO  L87              Difference]: Start difference. First operand 282611 states and 303073 transitions. Second operand 4 states.
[2018-10-23 17:25:48,791 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-10-23 17:25:48,792 INFO  L93              Difference]: Finished difference Result 733535 states and 788181 transitions.
[2018-10-23 17:25:48,792 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2018-10-23 17:25:48,792 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 2043
[2018-10-23 17:25:48,793 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-10-23 17:25:49,378 INFO  L225             Difference]: With dead ends: 733535
[2018-10-23 17:25:49,378 INFO  L226             Difference]: Without dead ends: 450924
[2018-10-23 17:25:49,509 INFO  L605         BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2018-10-23 17:25:49,879 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 450924 states.
[2018-10-23 17:25:53,589 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 450924 to 449115.
[2018-10-23 17:25:53,589 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 449115 states.
[2018-10-23 17:25:55,471 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 449115 states to 449115 states and 473571 transitions.
[2018-10-23 17:25:55,471 INFO  L78                 Accepts]: Start accepts. Automaton has 449115 states and 473571 transitions. Word has length 2043
[2018-10-23 17:25:55,472 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-10-23 17:25:55,472 INFO  L481      AbstractCegarLoop]: Abstraction has 449115 states and 473571 transitions.
[2018-10-23 17:25:55,472 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2018-10-23 17:25:55,472 INFO  L276                IsEmpty]: Start isEmpty. Operand 449115 states and 473571 transitions.
[2018-10-23 17:25:55,742 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2222
[2018-10-23 17:25:55,742 INFO  L367         BasicCegarLoop]: Found error trace
[2018-10-23 17:25:55,744 INFO  L375         BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-10-23 17:25:55,744 INFO  L424      AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-10-23 17:25:55,745 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-10-23 17:25:55,745 INFO  L82        PathProgramCache]: Analyzing trace with hash -1728880223, now seen corresponding path program 1 times
[2018-10-23 17:25:55,745 INFO  L225   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-10-23 17:25:55,746 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-10-23 17:25:55,747 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-23 17:25:55,747 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-10-23 17:25:55,747 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-23 17:25:55,900 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
Received shutdown request...
[2018-10-23 17:26:04,351 INFO  L134       CoverageAnalysis]: Checked inductivity of 1325 backedges. 995 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked.
[2018-10-23 17:26:04,352 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-10-23 17:26:04,352 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2018-10-23 17:26:04,354 INFO  L460      AbstractCegarLoop]: Interpolant automaton has 4 states
[2018-10-23 17:26:04,354 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2018-10-23 17:26:04,354 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2018-10-23 17:26:04,354 INFO  L87              Difference]: Start difference. First operand 449115 states and 473571 transitions. Second operand 4 states.
[2018-10-23 17:26:04,355 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2018-10-23 17:26:04,356 WARN  L550      AbstractCegarLoop]: Verification canceled
[2018-10-23 17:26:04,361 WARN  L205   ceAbstractionStarter]: Timeout
[2018-10-23 17:26:04,362 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 05:26:04 BoogieIcfgContainer
[2018-10-23 17:26:04,362 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2018-10-23 17:26:04,363 INFO  L168              Benchmark]: Toolchain (without parser) took 212841.11 ms. Allocated memory was 1.5 GB in the beginning and 5.5 GB in the end (delta: 4.0 GB). Free memory was 1.4 GB in the beginning and 3.9 GB in the end (delta: -2.5 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB.
[2018-10-23 17:26:04,366 INFO  L168              Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB.
[2018-10-23 17:26:04,366 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 3966.81 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 993.6 MB in the end (delta: 391.1 MB). Peak memory consumption was 391.1 MB. Max. memory is 7.1 GB.
[2018-10-23 17:26:04,367 INFO  L168              Benchmark]: Boogie Procedure Inliner took 839.18 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 848.3 MB). Free memory was 993.6 MB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 103.6 MB. Max. memory is 7.1 GB.
[2018-10-23 17:26:04,368 INFO  L168              Benchmark]: Boogie Preprocessor took 389.25 ms. Allocated memory is still 2.4 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 51.7 MB). Peak memory consumption was 51.7 MB. Max. memory is 7.1 GB.
[2018-10-23 17:26:04,369 INFO  L168              Benchmark]: RCFGBuilder took 14464.96 ms. Allocated memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: 291.0 MB). Free memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: -253.6 MB). Peak memory consumption was 878.8 MB. Max. memory is 7.1 GB.
[2018-10-23 17:26:04,370 INFO  L168              Benchmark]: TraceAbstraction took 193175.16 ms. Allocated memory was 2.7 GB in the beginning and 5.5 GB in the end (delta: 2.9 GB). Free memory was 2.4 GB in the beginning and 3.9 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB.
[2018-10-23 17:26:04,376 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 3966.81 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 993.6 MB in the end (delta: 391.1 MB). Peak memory consumption was 391.1 MB. Max. memory is 7.1 GB.
 * Boogie Procedure Inliner took 839.18 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 848.3 MB). Free memory was 993.6 MB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 103.6 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 389.25 ms. Allocated memory is still 2.4 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 51.7 MB). Peak memory consumption was 51.7 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 14464.96 ms. Allocated memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: 291.0 MB). Free memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: -253.6 MB). Peak memory consumption was 878.8 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 193175.16 ms. Allocated memory was 2.7 GB in the beginning and 5.5 GB in the end (delta: 2.9 GB). Free memory was 2.4 GB in the beginning and 3.9 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - TimeoutResultAtElement [Line: 11012]: Timeout (TraceAbstraction)
    Unable to prove that call of __VERIFIER_error() unreachable (line 11012). Cancelled while BasicCegarLoop was constructing difference of abstraction (449115states) and FLOYD_HOARE automaton (currently 2 states, 4 states before enhancement),while ReachableStatesComputation was computing reachable states (1 states constructedinput type IntersectNwa).
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 2186 locations, 1 error locations. TIMEOUT Result, 193.0s OverallTime, 9 OverallIterations, 7 TraceHistogramMax, 136.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 15416 SDtfs, 35845 SDslu, 3201 SDs, 0 SdLazy, 68925 SolverSat, 24184 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 102.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1762 GetRequests, 1736 SyntacticMatches, 7 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=449115occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 17.8s AutomataMinimizationTime, 8 MinimizatonAttempts, 5630 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.9s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 6.7s InterpolantComputationTime, 18089 NumberOfCodeBlocks, 18089 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 18079 ConstructedInterpolants, 0 QuantifiedInterpolants, 42059812 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1904 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 2854/2859 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: Timeout
Completed graceful shutdown