java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-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_label43_true-unreach-call.c


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This is Ultimate 0.1.23-df4b876
[2018-11-06 20:17:03,908 INFO  L170        SettingsManager]: Resetting all preferences to default values...
[2018-11-06 20:17:03,910 INFO  L174        SettingsManager]: Resetting UltimateCore preferences to default values
[2018-11-06 20:17:03,927 INFO  L177        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-11-06 20:17:03,927 INFO  L174        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-11-06 20:17:03,928 INFO  L174        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-11-06 20:17:03,931 INFO  L174        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-11-06 20:17:03,933 INFO  L174        SettingsManager]: Resetting LassoRanker preferences to default values
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[2018-11-06 20:17:03,941 INFO  L174        SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-11-06 20:17:03,942 INFO  L174        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2018-11-06 20:17:03,943 INFO  L174        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-11-06 20:17:03,947 INFO  L174        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2018-11-06 20:17:03,948 INFO  L174        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-11-06 20:17:03,949 INFO  L174        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-11-06 20:17:03,953 INFO  L174        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-11-06 20:17:03,964 INFO  L174        SettingsManager]: Resetting CodeCheck preferences to default values
[2018-11-06 20:17:03,966 INFO  L174        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-11-06 20:17:03,973 INFO  L174        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-11-06 20:17:03,974 INFO  L174        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-11-06 20:17:03,980 INFO  L177        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2018-11-06 20:17:03,980 INFO  L174        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2018-11-06 20:17:03,981 INFO  L174        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-11-06 20:17:03,982 INFO  L174        SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-11-06 20:17:03,985 INFO  L174        SettingsManager]: Resetting ReqPrinter preferences to default values
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[2018-11-06 20:17:03,990 INFO  L174        SettingsManager]: Resetting SmtParser preferences to default values
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[2018-11-06 20:17:03,992 INFO  L181        SettingsManager]: Finished resetting all preferences to default values...
[2018-11-06 20:17:03,992 INFO  L98         SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf
[2018-11-06 20:17:04,019 INFO  L110        SettingsManager]: Loading preferences was successful
[2018-11-06 20:17:04,019 INFO  L112        SettingsManager]: Preferences different from defaults after loading the file:
[2018-11-06 20:17:04,024 INFO  L131        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2018-11-06 20:17:04,024 INFO  L133        SettingsManager]:  * to procedures, called more than once=true
[2018-11-06 20:17:04,025 INFO  L131        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2018-11-06 20:17:04,025 INFO  L133        SettingsManager]:  * Create parallel compositions if possible=false
[2018-11-06 20:17:04,025 INFO  L133        SettingsManager]:  * Use SBE=true
[2018-11-06 20:17:04,025 INFO  L131        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-11-06 20:17:04,026 INFO  L133        SettingsManager]:  * Overapproximate operations on floating types=true
[2018-11-06 20:17:04,026 INFO  L133        SettingsManager]:  * Check division by zero=IGNORE
[2018-11-06 20:17:04,026 INFO  L133        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2018-11-06 20:17:04,026 INFO  L133        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-11-06 20:17:04,026 INFO  L133        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2018-11-06 20:17:04,027 INFO  L133        SettingsManager]:  * Check if freed pointer was valid=false
[2018-11-06 20:17:04,027 INFO  L133        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2018-11-06 20:17:04,027 INFO  L131        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-11-06 20:17:04,027 INFO  L133        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2018-11-06 20:17:04,027 INFO  L133        SettingsManager]:  * To the following directory=./dump/
[2018-11-06 20:17:04,027 INFO  L133        SettingsManager]:  * SMT solver=External_DefaultMode
[2018-11-06 20:17:04,029 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-11-06 20:17:04,029 INFO  L131        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-11-06 20:17:04,029 INFO  L133        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2018-11-06 20:17:04,030 INFO  L133        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2018-11-06 20:17:04,030 INFO  L133        SettingsManager]:  * Trace refinement strategy=CAMEL
[2018-11-06 20:17:04,030 INFO  L133        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2018-11-06 20:17:04,030 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-11-06 20:17:04,030 INFO  L133        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2018-11-06 20:17:04,031 INFO  L133        SettingsManager]:  * To the following directory=dump/
[2018-11-06 20:17:04,102 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2018-11-06 20:17:04,115 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2018-11-06 20:17:04,119 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2018-11-06 20:17:04,120 INFO  L271        PluginConnector]: Initializing CDTParser...
[2018-11-06 20:17:04,121 INFO  L276        PluginConnector]: CDTParser initialized
[2018-11-06 20:17:04,122 INFO  L418   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem05_label43_true-unreach-call.c
[2018-11-06 20:17:04,182 INFO  L218              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94391e328/f98277ff71c4494fba34f1fd1b410af3/FLAG0e6438d2b
[2018-11-06 20:17:05,154 INFO  L298              CDTParser]: Found 1 translation units.
[2018-11-06 20:17:05,155 INFO  L158              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem05_label43_true-unreach-call.c
[2018-11-06 20:17:05,215 INFO  L346              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94391e328/f98277ff71c4494fba34f1fd1b410af3/FLAG0e6438d2b
[2018-11-06 20:17:05,235 INFO  L354              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94391e328/f98277ff71c4494fba34f1fd1b410af3
[2018-11-06 20:17:05,249 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-11-06 20:17:05,253 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2018-11-06 20:17:05,254 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-11-06 20:17:05,255 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-11-06 20:17:05,261 INFO  L276        PluginConnector]: CACSL2BoogieTranslator initialized
[2018-11-06 20:17:05,262 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:17:05" (1/1) ...
[2018-11-06 20:17:05,265 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36bd1723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:17:05, skipping insertion in model container
[2018-11-06 20:17:05,266 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:17:05" (1/1) ...
[2018-11-06 20:17:05,278 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2018-11-06 20:17:05,578 INFO  L174         MainTranslator]: Built tables and reachable declarations
[2018-11-06 20:17:07,761 INFO  L202          PostProcessor]: Analyzing one entry point: main
[2018-11-06 20:17:07,766 INFO  L189         MainTranslator]: Completed pre-run
[2018-11-06 20:17:08,980 INFO  L202          PostProcessor]: Analyzing one entry point: main
[2018-11-06 20:17:09,070 INFO  L193         MainTranslator]: Completed translation
[2018-11-06 20:17:09,071 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:17:09 WrapperNode
[2018-11-06 20:17:09,071 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-11-06 20:17:09,074 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2018-11-06 20:17:09,074 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2018-11-06 20:17:09,074 INFO  L276        PluginConnector]: Boogie Procedure Inliner initialized
[2018-11-06 20:17:09,085 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:17:09" (1/1) ...
[2018-11-06 20:17:09,663 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:17:09" (1/1) ...
[2018-11-06 20:17:09,999 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2018-11-06 20:17:10,000 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-11-06 20:17:10,000 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2018-11-06 20:17:10,000 INFO  L276        PluginConnector]: Boogie Preprocessor initialized
[2018-11-06 20:17:10,014 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:17:09" (1/1) ...
[2018-11-06 20:17:10,015 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:17:09" (1/1) ...
[2018-11-06 20:17:10,053 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:17:09" (1/1) ...
[2018-11-06 20:17:10,053 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:17:09" (1/1) ...
[2018-11-06 20:17:10,244 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:17:09" (1/1) ...
[2018-11-06 20:17:10,309 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:17:09" (1/1) ...
[2018-11-06 20:17:10,411 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:17:09" (1/1) ...
[2018-11-06 20:17:10,498 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-11-06 20:17:10,499 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-11-06 20:17:10,499 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2018-11-06 20:17:10,499 INFO  L276        PluginConnector]: RCFGBuilder initialized
[2018-11-06 20:17:10,500 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:17:09" (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
[2018-11-06 20:17:10,572 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2018-11-06 20:17:10,573 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-11-06 20:17:10,573 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-11-06 20:17:26,550 INFO  L276             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-11-06 20:17:26,551 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:17:26 BoogieIcfgContainer
[2018-11-06 20:17:26,551 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-11-06 20:17:26,552 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-11-06 20:17:26,552 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2018-11-06 20:17:26,556 INFO  L276        PluginConnector]: TraceAbstraction initialized
[2018-11-06 20:17:26,556 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:17:05" (1/3) ...
[2018-11-06 20:17:26,557 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434d16c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:17:26, skipping insertion in model container
[2018-11-06 20:17:26,557 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:17:09" (2/3) ...
[2018-11-06 20:17:26,558 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434d16c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:17:26, skipping insertion in model container
[2018-11-06 20:17:26,559 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:17:26" (3/3) ...
[2018-11-06 20:17:26,561 INFO  L112   eAbstractionObserver]: Analyzing ICFG Problem05_label43_true-unreach-call.c
[2018-11-06 20:17:26,572 INFO  L136   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2018-11-06 20:17:26,584 INFO  L148   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2018-11-06 20:17:26,604 INFO  L257      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2018-11-06 20:17:26,661 INFO  L135   ementStrategyFactory]: Using default assertion order modulation
[2018-11-06 20:17:26,662 INFO  L382      AbstractCegarLoop]: Interprodecural is true
[2018-11-06 20:17:26,662 INFO  L383      AbstractCegarLoop]: Hoare is true
[2018-11-06 20:17:26,662 INFO  L384      AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-11-06 20:17:26,662 INFO  L385      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2018-11-06 20:17:26,663 INFO  L386      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-11-06 20:17:26,663 INFO  L387      AbstractCegarLoop]: Difference is false
[2018-11-06 20:17:26,663 INFO  L388      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-11-06 20:17:26,663 INFO  L393      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-11-06 20:17:26,729 INFO  L276                IsEmpty]: Start isEmpty. Operand 2186 states.
[2018-11-06 20:17:26,870 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1687
[2018-11-06 20:17:26,871 INFO  L367         BasicCegarLoop]: Found error trace
[2018-11-06 20:17:26,874 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-11-06 20:17:26,878 INFO  L423      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-11-06 20:17:26,885 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-11-06 20:17:26,886 INFO  L82        PathProgramCache]: Analyzing trace with hash -1202160342, now seen corresponding path program 1 times
[2018-11-06 20:17:26,888 INFO  L225   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-11-06 20:17:26,889 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-11-06 20:17:26,950 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 20:17:26,950 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-11-06 20:17:26,950 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 20:17:27,556 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-11-06 20:17:32,346 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-11-06 20:17:32,349 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-11-06 20:17:32,349 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2018-11-06 20:17:32,358 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2018-11-06 20:17:32,371 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2018-11-06 20:17:32,371 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2018-11-06 20:17:32,374 INFO  L87              Difference]: Start difference. First operand 2186 states. Second operand 4 states.
[2018-11-06 20:17:53,445 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-11-06 20:17:53,446 INFO  L93              Difference]: Finished difference Result 7917 states and 15105 transitions.
[2018-11-06 20:17:53,446 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2018-11-06 20:17:53,448 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 1686
[2018-11-06 20:17:53,458 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-11-06 20:17:53,528 INFO  L225             Difference]: With dead ends: 7917
[2018-11-06 20:17:53,528 INFO  L226             Difference]: Without dead ends: 5724
[2018-11-06 20:17:53,545 INFO  L604         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
[2018-11-06 20:17:53,572 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5724 states.
[2018-11-06 20:17:53,807 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5724 to 5714.
[2018-11-06 20:17:53,809 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5714 states.
[2018-11-06 20:17:53,834 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5714 states to 5714 states and 9355 transitions.
[2018-11-06 20:17:53,836 INFO  L78                 Accepts]: Start accepts. Automaton has 5714 states and 9355 transitions. Word has length 1686
[2018-11-06 20:17:53,841 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-11-06 20:17:53,842 INFO  L480      AbstractCegarLoop]: Abstraction has 5714 states and 9355 transitions.
[2018-11-06 20:17:53,842 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2018-11-06 20:17:53,842 INFO  L276                IsEmpty]: Start isEmpty. Operand 5714 states and 9355 transitions.
[2018-11-06 20:17:54,142 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1705
[2018-11-06 20:17:54,143 INFO  L367         BasicCegarLoop]: Found error trace
[2018-11-06 20:17:54,145 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-11-06 20:17:54,145 INFO  L423      AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-11-06 20:17:54,145 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-11-06 20:17:54,146 INFO  L82        PathProgramCache]: Analyzing trace with hash 221449966, now seen corresponding path program 1 times
[2018-11-06 20:17:54,146 INFO  L225   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-11-06 20:17:54,147 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-11-06 20:17:54,148 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 20:17:54,148 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-11-06 20:17:54,148 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 20:17:54,337 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-11-06 20:17:55,859 INFO  L134       CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2018-11-06 20:17:55,860 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-11-06 20:17:55,860 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-11-06 20:17:55,864 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2018-11-06 20:17:55,865 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-11-06 20:17:55,865 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-11-06 20:17:55,867 INFO  L87              Difference]: Start difference. First operand 5714 states and 9355 transitions. Second operand 3 states.
[2018-11-06 20:18:07,297 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-11-06 20:18:07,297 INFO  L93              Difference]: Finished difference Result 16645 states and 27454 transitions.
[2018-11-06 20:18:07,298 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2018-11-06 20:18:07,298 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 1704
[2018-11-06 20:18:07,298 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-11-06 20:18:07,351 INFO  L225             Difference]: With dead ends: 16645
[2018-11-06 20:18:07,351 INFO  L226             Difference]: Without dead ends: 10933
[2018-11-06 20:18:07,359 INFO  L604         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
[2018-11-06 20:18:07,368 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10933 states.
[2018-11-06 20:18:07,540 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10933 to 10848.
[2018-11-06 20:18:07,540 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 10848 states.
[2018-11-06 20:18:07,562 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10848 states to 10848 states and 16481 transitions.
[2018-11-06 20:18:07,562 INFO  L78                 Accepts]: Start accepts. Automaton has 10848 states and 16481 transitions. Word has length 1704
[2018-11-06 20:18:07,563 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-11-06 20:18:07,563 INFO  L480      AbstractCegarLoop]: Abstraction has 10848 states and 16481 transitions.
[2018-11-06 20:18:07,563 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2018-11-06 20:18:07,563 INFO  L276                IsEmpty]: Start isEmpty. Operand 10848 states and 16481 transitions.
[2018-11-06 20:18:07,612 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1724
[2018-11-06 20:18:07,612 INFO  L367         BasicCegarLoop]: Found error trace
[2018-11-06 20:18:07,614 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-11-06 20:18:07,614 INFO  L423      AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-11-06 20:18:07,614 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-11-06 20:18:07,615 INFO  L82        PathProgramCache]: Analyzing trace with hash 1890081089, now seen corresponding path program 1 times
[2018-11-06 20:18:07,615 INFO  L225   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-11-06 20:18:07,616 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-11-06 20:18:07,617 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 20:18:07,617 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-11-06 20:18:07,617 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 20:18:07,737 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-11-06 20:18:08,148 WARN  L179               SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4
[2018-11-06 20:18:09,532 INFO  L134       CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-11-06 20:18:09,533 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-11-06 20:18:09,533 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2018-11-06 20:18:09,535 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2018-11-06 20:18:09,535 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2018-11-06 20:18:09,536 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2018-11-06 20:18:09,536 INFO  L87              Difference]: Start difference. First operand 10848 states and 16481 transitions. Second operand 4 states.
[2018-11-06 20:18:24,585 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-11-06 20:18:24,585 INFO  L93              Difference]: Finished difference Result 42129 states and 64305 transitions.
[2018-11-06 20:18:24,586 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2018-11-06 20:18:24,586 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 1723
[2018-11-06 20:18:24,586 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-11-06 20:18:24,701 INFO  L225             Difference]: With dead ends: 42129
[2018-11-06 20:18:24,701 INFO  L226             Difference]: Without dead ends: 31283
[2018-11-06 20:18:24,724 INFO  L604         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
[2018-11-06 20:18:24,752 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 31283 states.
[2018-11-06 20:18:25,198 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 31283 to 31248.
[2018-11-06 20:18:25,198 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 31248 states.
[2018-11-06 20:18:25,250 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 31248 states to 31248 states and 43049 transitions.
[2018-11-06 20:18:25,250 INFO  L78                 Accepts]: Start accepts. Automaton has 31248 states and 43049 transitions. Word has length 1723
[2018-11-06 20:18:25,251 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-11-06 20:18:25,251 INFO  L480      AbstractCegarLoop]: Abstraction has 31248 states and 43049 transitions.
[2018-11-06 20:18:25,251 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2018-11-06 20:18:25,251 INFO  L276                IsEmpty]: Start isEmpty. Operand 31248 states and 43049 transitions.
[2018-11-06 20:18:25,344 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1725
[2018-11-06 20:18:25,344 INFO  L367         BasicCegarLoop]: Found error trace
[2018-11-06 20:18:25,345 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-11-06 20:18:25,346 INFO  L423      AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-11-06 20:18:25,346 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-11-06 20:18:25,347 INFO  L82        PathProgramCache]: Analyzing trace with hash 80002473, now seen corresponding path program 1 times
[2018-11-06 20:18:25,347 INFO  L225   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-11-06 20:18:25,347 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-11-06 20:18:25,348 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 20:18:25,348 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-11-06 20:18:25,349 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 20:18:25,459 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-11-06 20:18:26,896 INFO  L134       CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-11-06 20:18:26,897 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-11-06 20:18:26,897 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-11-06 20:18:26,899 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2018-11-06 20:18:26,899 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-11-06 20:18:26,899 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-11-06 20:18:26,900 INFO  L87              Difference]: Start difference. First operand 31248 states and 43049 transitions. Second operand 3 states.
[2018-11-06 20:18:35,611 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-11-06 20:18:35,612 INFO  L93              Difference]: Finished difference Result 91371 states and 125623 transitions.
[2018-11-06 20:18:35,612 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2018-11-06 20:18:35,612 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 1724
[2018-11-06 20:18:35,612 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-11-06 20:18:35,756 INFO  L225             Difference]: With dead ends: 91371
[2018-11-06 20:18:35,756 INFO  L226             Difference]: Without dead ends: 60125
[2018-11-06 20:18:35,809 INFO  L604         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
[2018-11-06 20:18:35,860 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 60125 states.
[2018-11-06 20:18:36,473 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 60125 to 60125.
[2018-11-06 20:18:36,473 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 60125 states.
[2018-11-06 20:18:36,564 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 60125 states to 60125 states and 79363 transitions.
[2018-11-06 20:18:36,565 INFO  L78                 Accepts]: Start accepts. Automaton has 60125 states and 79363 transitions. Word has length 1724
[2018-11-06 20:18:36,565 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-11-06 20:18:36,565 INFO  L480      AbstractCegarLoop]: Abstraction has 60125 states and 79363 transitions.
[2018-11-06 20:18:36,565 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2018-11-06 20:18:36,566 INFO  L276                IsEmpty]: Start isEmpty. Operand 60125 states and 79363 transitions.
[2018-11-06 20:18:36,646 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1776
[2018-11-06 20:18:36,647 INFO  L367         BasicCegarLoop]: Found error trace
[2018-11-06 20:18:36,648 INFO  L375         BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-11-06 20:18:36,648 INFO  L423      AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-11-06 20:18:36,649 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-11-06 20:18:36,649 INFO  L82        PathProgramCache]: Analyzing trace with hash -2015355750, now seen corresponding path program 1 times
[2018-11-06 20:18:36,650 INFO  L225   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-11-06 20:18:36,650 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-11-06 20:18:36,651 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 20:18:36,651 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-11-06 20:18:36,651 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 20:18:36,756 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-11-06 20:18:39,038 INFO  L134       CoverageAnalysis]: Checked inductivity of 176 backedges. 113 proven. 5 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked.
[2018-11-06 20:18:39,038 INFO  L300   seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more.
[2018-11-06 20:18:39,038 INFO  L225   ckRefinementStrategy]: Switched to mode Z3_FP
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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
[2018-11-06 20:18:39,051 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-11-06 20:18:39,494 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-11-06 20:18:39,548 INFO  L273         TraceCheckSpWp]: Computing forward predicates...
[2018-11-06 20:18:41,769 INFO  L134       CoverageAnalysis]: Checked inductivity of 176 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2018-11-06 20:18:41,793 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2018-11-06 20:18:41,793 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5
[2018-11-06 20:18:41,798 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2018-11-06 20:18:41,799 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2018-11-06 20:18:41,799 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2018-11-06 20:18:41,799 INFO  L87              Difference]: Start difference. First operand 60125 states and 79363 transitions. Second operand 5 states.
[2018-11-06 20:19:09,694 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-11-06 20:19:09,695 INFO  L93              Difference]: Finished difference Result 288574 states and 376064 transitions.
[2018-11-06 20:19:09,695 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2018-11-06 20:19:09,695 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 1775
[2018-11-06 20:19:09,695 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-11-06 20:19:10,143 INFO  L225             Difference]: With dead ends: 288574
[2018-11-06 20:19:10,143 INFO  L226             Difference]: Without dead ends: 228451
[2018-11-06 20:19:10,234 INFO  L604         BasicCegarLoop]: 0 DeclaredPredicates, 1783 GetRequests, 1776 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2018-11-06 20:19:10,427 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 228451 states.
[2018-11-06 20:19:13,231 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 228451 to 228402.
[2018-11-06 20:19:13,232 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 228402 states.
[2018-11-06 20:19:13,543 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 228402 states to 228402 states and 260008 transitions.
[2018-11-06 20:19:13,543 INFO  L78                 Accepts]: Start accepts. Automaton has 228402 states and 260008 transitions. Word has length 1775
[2018-11-06 20:19:13,544 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-11-06 20:19:13,545 INFO  L480      AbstractCegarLoop]: Abstraction has 228402 states and 260008 transitions.
[2018-11-06 20:19:13,545 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2018-11-06 20:19:13,545 INFO  L276                IsEmpty]: Start isEmpty. Operand 228402 states and 260008 transitions.
[2018-11-06 20:19:13,956 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1843
[2018-11-06 20:19:13,956 INFO  L367         BasicCegarLoop]: Found error trace
[2018-11-06 20:19:13,958 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, 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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]
[2018-11-06 20:19:13,958 INFO  L423      AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-11-06 20:19:13,958 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-11-06 20:19:13,959 INFO  L82        PathProgramCache]: Analyzing trace with hash 1982950911, now seen corresponding path program 1 times
[2018-11-06 20:19:13,959 INFO  L225   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-11-06 20:19:13,959 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-11-06 20:19:13,960 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 20:19:13,961 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-11-06 20:19:13,961 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 20:19:14,079 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-11-06 20:19:14,664 WARN  L179               SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 7
[2018-11-06 20:19:14,929 WARN  L179               SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 7
[2018-11-06 20:19:17,880 INFO  L134       CoverageAnalysis]: Checked inductivity of 221 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked.
[2018-11-06 20:19:17,881 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-11-06 20:19:17,881 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2018-11-06 20:19:17,883 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2018-11-06 20:19:17,883 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2018-11-06 20:19:17,883 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2018-11-06 20:19:17,884 INFO  L87              Difference]: Start difference. First operand 228402 states and 260008 transitions. Second operand 5 states.
[2018-11-06 20:19:32,575 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-11-06 20:19:32,576 INFO  L93              Difference]: Finished difference Result 530101 states and 606377 transitions.
[2018-11-06 20:19:32,581 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2018-11-06 20:19:32,581 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 1842
[2018-11-06 20:19:32,581 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-11-06 20:19:32,997 INFO  L225             Difference]: With dead ends: 530101
[2018-11-06 20:19:32,997 INFO  L226             Difference]: Without dead ends: 301701
[2018-11-06 20:19:33,131 INFO  L604         BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2018-11-06 20:19:33,314 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 301701 states.
[2018-11-06 20:19:36,469 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 301701 to 301459.
[2018-11-06 20:19:36,469 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 301459 states.
[2018-11-06 20:19:36,799 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 301459 states to 301459 states and 336291 transitions.
[2018-11-06 20:19:36,800 INFO  L78                 Accepts]: Start accepts. Automaton has 301459 states and 336291 transitions. Word has length 1842
[2018-11-06 20:19:36,800 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-11-06 20:19:36,800 INFO  L480      AbstractCegarLoop]: Abstraction has 301459 states and 336291 transitions.
[2018-11-06 20:19:36,800 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2018-11-06 20:19:36,800 INFO  L276                IsEmpty]: Start isEmpty. Operand 301459 states and 336291 transitions.
[2018-11-06 20:19:36,980 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1875
[2018-11-06 20:19:36,980 INFO  L367         BasicCegarLoop]: Found error trace
[2018-11-06 20:19:36,981 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-11-06 20:19:36,982 INFO  L423      AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-11-06 20:19:36,982 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-11-06 20:19:36,983 INFO  L82        PathProgramCache]: Analyzing trace with hash 1778535330, now seen corresponding path program 1 times
[2018-11-06 20:19:36,983 INFO  L225   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-11-06 20:19:36,983 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-11-06 20:19:36,985 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 20:19:36,985 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-11-06 20:19:36,986 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 20:19:37,113 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-11-06 20:19:45,568 INFO  L134       CoverageAnalysis]: Checked inductivity of 267 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked.
[2018-11-06 20:19:45,568 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-11-06 20:19:45,568 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-11-06 20:19:45,571 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2018-11-06 20:19:45,571 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-11-06 20:19:45,571 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-11-06 20:19:45,572 INFO  L87              Difference]: Start difference. First operand 301459 states and 336291 transitions. Second operand 3 states.
[2018-11-06 20:19:55,192 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-11-06 20:19:55,193 INFO  L93              Difference]: Finished difference Result 597716 states and 665990 transitions.
[2018-11-06 20:19:55,193 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2018-11-06 20:19:55,193 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 1874
[2018-11-06 20:19:55,194 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-11-06 20:19:55,545 INFO  L225             Difference]: With dead ends: 597716
[2018-11-06 20:19:55,545 INFO  L226             Difference]: Without dead ends: 286011
[2018-11-06 20:19:55,692 INFO  L604         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
[2018-11-06 20:19:55,909 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 286011 states.
[2018-11-06 20:19:58,564 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 286011 to 282611.
[2018-11-06 20:19:58,564 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 282611 states.
[2018-11-06 20:19:58,855 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 282611 states to 282611 states and 303073 transitions.
[2018-11-06 20:19:58,855 INFO  L78                 Accepts]: Start accepts. Automaton has 282611 states and 303073 transitions. Word has length 1874
[2018-11-06 20:19:58,855 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-11-06 20:19:58,855 INFO  L480      AbstractCegarLoop]: Abstraction has 282611 states and 303073 transitions.
[2018-11-06 20:19:58,856 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2018-11-06 20:19:58,856 INFO  L276                IsEmpty]: Start isEmpty. Operand 282611 states and 303073 transitions.
[2018-11-06 20:19:59,020 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2073
[2018-11-06 20:19:59,021 INFO  L367         BasicCegarLoop]: Found error trace
[2018-11-06 20:19:59,022 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-11-06 20:19:59,022 INFO  L423      AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-11-06 20:19:59,022 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-11-06 20:19:59,023 INFO  L82        PathProgramCache]: Analyzing trace with hash -1115853743, now seen corresponding path program 1 times
[2018-11-06 20:19:59,023 INFO  L225   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-11-06 20:19:59,023 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-11-06 20:19:59,024 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 20:19:59,024 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-11-06 20:19:59,024 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 20:19:59,129 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-11-06 20:19:59,792 WARN  L179               SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 11
[2018-11-06 20:20:03,214 INFO  L134       CoverageAnalysis]: Checked inductivity of 743 backedges. 541 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked.
[2018-11-06 20:20:03,214 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-11-06 20:20:03,215 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2018-11-06 20:20:03,216 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2018-11-06 20:20:03,216 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2018-11-06 20:20:03,216 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2018-11-06 20:20:03,217 INFO  L87              Difference]: Start difference. First operand 282611 states and 303073 transitions. Second operand 4 states.
[2018-11-06 20:20:21,309 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-11-06 20:20:21,309 INFO  L93              Difference]: Finished difference Result 733535 states and 788181 transitions.
[2018-11-06 20:20:21,309 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2018-11-06 20:20:21,310 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 2072
[2018-11-06 20:20:21,310 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-11-06 20:20:21,882 INFO  L225             Difference]: With dead ends: 733535
[2018-11-06 20:20:21,882 INFO  L226             Difference]: Without dead ends: 450924
[2018-11-06 20:20:22,031 INFO  L604         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
[2018-11-06 20:20:22,392 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 450924 states.
[2018-11-06 20:20:27,252 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 450924 to 449115.
[2018-11-06 20:20:27,252 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 449115 states.
[2018-11-06 20:20:27,704 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 449115 states to 449115 states and 473571 transitions.
[2018-11-06 20:20:27,705 INFO  L78                 Accepts]: Start accepts. Automaton has 449115 states and 473571 transitions. Word has length 2072
[2018-11-06 20:20:27,705 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-11-06 20:20:27,705 INFO  L480      AbstractCegarLoop]: Abstraction has 449115 states and 473571 transitions.
[2018-11-06 20:20:27,705 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2018-11-06 20:20:27,705 INFO  L276                IsEmpty]: Start isEmpty. Operand 449115 states and 473571 transitions.
[2018-11-06 20:20:27,948 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2251
[2018-11-06 20:20:27,948 INFO  L367         BasicCegarLoop]: Found error trace
[2018-11-06 20:20:27,950 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, 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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]
[2018-11-06 20:20:27,950 INFO  L423      AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-11-06 20:20:27,950 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-11-06 20:20:27,951 INFO  L82        PathProgramCache]: Analyzing trace with hash 1398153611, now seen corresponding path program 1 times
[2018-11-06 20:20:27,951 INFO  L225   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-11-06 20:20:27,951 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-11-06 20:20:27,952 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 20:20:27,952 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-11-06 20:20:27,952 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 20:20:28,108 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
Received shutdown request...
[2018-11-06 20:20:36,293 INFO  L134       CoverageAnalysis]: Checked inductivity of 1325 backedges. 995 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked.
[2018-11-06 20:20:36,294 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-11-06 20:20:36,294 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2018-11-06 20:20:36,295 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2018-11-06 20:20:36,296 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2018-11-06 20:20:36,296 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2018-11-06 20:20:36,296 INFO  L87              Difference]: Start difference. First operand 449115 states and 473571 transitions. Second operand 4 states.
[2018-11-06 20:20:36,297 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2018-11-06 20:20:36,297 WARN  L549      AbstractCegarLoop]: Verification canceled
[2018-11-06 20:20:36,302 WARN  L205   ceAbstractionStarter]: Timeout
[2018-11-06 20:20:36,303 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 08:20:36 BoogieIcfgContainer
[2018-11-06 20:20:36,303 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2018-11-06 20:20:36,303 INFO  L168              Benchmark]: Toolchain (without parser) took 211053.76 ms. Allocated memory was 1.5 GB in the beginning and 5.6 GB in the end (delta: 4.1 GB). Free memory was 1.4 GB in the beginning and 3.5 GB in the end (delta: -2.1 GB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB.
[2018-11-06 20:20:36,305 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.
[2018-11-06 20:20:36,305 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 3816.85 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 380.5 MB). Peak memory consumption was 380.5 MB. Max. memory is 7.1 GB.
[2018-11-06 20:20:36,306 INFO  L168              Benchmark]: Boogie Procedure Inliner took 925.89 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 847.2 MB). Free memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 107.7 MB. Max. memory is 7.1 GB.
[2018-11-06 20:20:36,307 INFO  L168              Benchmark]: Boogie Preprocessor took 498.29 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: 65.9 MB). Peak memory consumption was 65.9 MB. Max. memory is 7.1 GB.
[2018-11-06 20:20:36,308 INFO  L168              Benchmark]: RCFGBuilder took 16052.89 ms. Allocated memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: 280.0 MB). Free memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: -277.5 MB). Peak memory consumption was 878.8 MB. Max. memory is 7.1 GB.
[2018-11-06 20:20:36,309 INFO  L168              Benchmark]: TraceAbstraction took 189750.59 ms. Allocated memory was 2.7 GB in the beginning and 5.6 GB in the end (delta: 2.9 GB). Free memory was 2.4 GB in the beginning and 3.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB.
[2018-11-06 20:20:36,314 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 3816.85 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 380.5 MB). Peak memory consumption was 380.5 MB. Max. memory is 7.1 GB.
 * Boogie Procedure Inliner took 925.89 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 847.2 MB). Free memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 107.7 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 498.29 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: 65.9 MB). Peak memory consumption was 65.9 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 16052.89 ms. Allocated memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: 280.0 MB). Free memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: -277.5 MB). Peak memory consumption was 878.8 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 189750.59 ms. Allocated memory was 2.7 GB in the beginning and 5.6 GB in the end (delta: 2.9 GB). Free memory was 2.4 GB in the beginning and 3.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - TimeoutResultAtElement [Line: 11099]: Timeout (TraceAbstraction)
    Unable to prove that call of __VERIFIER_error() unreachable (line 11099). 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, 189.6s OverallTime, 9 OverallIterations, 7 TraceHistogramMax, 129.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 15416 SDtfs, 35830 SDslu, 3201 SDs, 0 SdLazy, 68925 SolverSat, 24184 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 95.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1814 GetRequests, 1788 SyntacticMatches, 7 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.1s 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: 17.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 5630 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.9s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 18425 NumberOfCodeBlocks, 18425 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 18415 ConstructedInterpolants, 0 QuantifiedInterpolants, 43506977 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1987 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 2998/3003 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: Timeout
Completed graceful shutdown