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_label47_false-unreach-call.c


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This is Ultimate 0.1.23-df4b876
[2018-11-06 18:31:31,807 INFO  L170        SettingsManager]: Resetting all preferences to default values...
[2018-11-06 18:31:31,809 INFO  L174        SettingsManager]: Resetting UltimateCore preferences to default values
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[2018-11-06 18:31:31,822 INFO  L174        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-11-06 18:31:31,823 INFO  L174        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-11-06 18:31:31,824 INFO  L174        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2018-11-06 18:31:31,829 INFO  L174        SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-11-06 18:31:31,830 INFO  L174        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2018-11-06 18:31:31,831 INFO  L174        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-11-06 18:31:31,833 INFO  L174        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2018-11-06 18:31:31,833 INFO  L174        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-11-06 18:31:31,834 INFO  L174        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-11-06 18:31:31,836 INFO  L174        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-11-06 18:31:31,838 INFO  L174        SettingsManager]: Resetting CodeCheck preferences to default values
[2018-11-06 18:31:31,840 INFO  L174        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-11-06 18:31:31,841 INFO  L174        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-11-06 18:31:31,842 INFO  L174        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-11-06 18:31:31,844 INFO  L177        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2018-11-06 18:31:31,848 INFO  L174        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2018-11-06 18:31:31,849 INFO  L174        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-11-06 18:31:31,850 INFO  L174        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2018-11-06 18:31:31,857 INFO  L174        SettingsManager]: Resetting SmtParser preferences to default values
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[2018-11-06 18:31:31,861 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 18:31:31,891 INFO  L110        SettingsManager]: Loading preferences was successful
[2018-11-06 18:31:31,892 INFO  L112        SettingsManager]: Preferences different from defaults after loading the file:
[2018-11-06 18:31:31,893 INFO  L131        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2018-11-06 18:31:31,893 INFO  L133        SettingsManager]:  * to procedures, called more than once=true
[2018-11-06 18:31:31,893 INFO  L131        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2018-11-06 18:31:31,894 INFO  L133        SettingsManager]:  * Create parallel compositions if possible=false
[2018-11-06 18:31:31,894 INFO  L133        SettingsManager]:  * Use SBE=true
[2018-11-06 18:31:31,894 INFO  L131        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-11-06 18:31:31,894 INFO  L133        SettingsManager]:  * Overapproximate operations on floating types=true
[2018-11-06 18:31:31,894 INFO  L133        SettingsManager]:  * Check division by zero=IGNORE
[2018-11-06 18:31:31,895 INFO  L133        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2018-11-06 18:31:31,895 INFO  L133        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-11-06 18:31:31,895 INFO  L133        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2018-11-06 18:31:31,895 INFO  L133        SettingsManager]:  * Check if freed pointer was valid=false
[2018-11-06 18:31:31,895 INFO  L133        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2018-11-06 18:31:31,896 INFO  L131        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-11-06 18:31:31,896 INFO  L133        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2018-11-06 18:31:31,896 INFO  L133        SettingsManager]:  * To the following directory=./dump/
[2018-11-06 18:31:31,896 INFO  L133        SettingsManager]:  * SMT solver=External_DefaultMode
[2018-11-06 18:31:31,896 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-11-06 18:31:31,896 INFO  L131        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-11-06 18:31:31,897 INFO  L133        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2018-11-06 18:31:31,897 INFO  L133        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2018-11-06 18:31:31,897 INFO  L133        SettingsManager]:  * Trace refinement strategy=CAMEL
[2018-11-06 18:31:31,897 INFO  L133        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2018-11-06 18:31:31,897 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-11-06 18:31:31,898 INFO  L133        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2018-11-06 18:31:31,898 INFO  L133        SettingsManager]:  * To the following directory=dump/
[2018-11-06 18:31:31,953 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2018-11-06 18:31:31,967 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2018-11-06 18:31:31,970 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2018-11-06 18:31:31,972 INFO  L271        PluginConnector]: Initializing CDTParser...
[2018-11-06 18:31:31,973 INFO  L276        PluginConnector]: CDTParser initialized
[2018-11-06 18:31:31,973 INFO  L418   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem05_label47_false-unreach-call.c
[2018-11-06 18:31:32,036 INFO  L218              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b77fa2bff/f236101df57a4f9eae42b485b37a7d4c/FLAG7ba816ebc
[2018-11-06 18:31:33,056 INFO  L298              CDTParser]: Found 1 translation units.
[2018-11-06 18:31:33,057 INFO  L158              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem05_label47_false-unreach-call.c
[2018-11-06 18:31:33,107 INFO  L346              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b77fa2bff/f236101df57a4f9eae42b485b37a7d4c/FLAG7ba816ebc
[2018-11-06 18:31:33,124 INFO  L354              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b77fa2bff/f236101df57a4f9eae42b485b37a7d4c
[2018-11-06 18:31:33,137 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-11-06 18:31:33,139 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2018-11-06 18:31:33,140 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-11-06 18:31:33,140 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-11-06 18:31:33,144 INFO  L276        PluginConnector]: CACSL2BoogieTranslator initialized
[2018-11-06 18:31:33,145 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 06:31:33" (1/1) ...
[2018-11-06 18:31:33,148 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b29a96e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:31:33, skipping insertion in model container
[2018-11-06 18:31:33,149 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 06:31:33" (1/1) ...
[2018-11-06 18:31:33,160 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2018-11-06 18:31:33,414 INFO  L174         MainTranslator]: Built tables and reachable declarations
[2018-11-06 18:31:35,643 INFO  L202          PostProcessor]: Analyzing one entry point: main
[2018-11-06 18:31:35,648 INFO  L189         MainTranslator]: Completed pre-run
[2018-11-06 18:31:37,047 INFO  L202          PostProcessor]: Analyzing one entry point: main
[2018-11-06 18:31:37,142 INFO  L193         MainTranslator]: Completed translation
[2018-11-06 18:31:37,143 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:31:37 WrapperNode
[2018-11-06 18:31:37,143 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-11-06 18:31:37,144 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2018-11-06 18:31:37,144 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2018-11-06 18:31:37,145 INFO  L276        PluginConnector]: Boogie Procedure Inliner initialized
[2018-11-06 18:31:37,157 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:31:37" (1/1) ...
[2018-11-06 18:31:37,881 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:31:37" (1/1) ...
[2018-11-06 18:31:38,161 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2018-11-06 18:31:38,162 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-11-06 18:31:38,162 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2018-11-06 18:31:38,162 INFO  L276        PluginConnector]: Boogie Preprocessor initialized
[2018-11-06 18:31:38,173 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:31:37" (1/1) ...
[2018-11-06 18:31:38,174 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:31:37" (1/1) ...
[2018-11-06 18:31:38,211 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:31:37" (1/1) ...
[2018-11-06 18:31:38,212 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:31:37" (1/1) ...
[2018-11-06 18:31:38,353 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:31:37" (1/1) ...
[2018-11-06 18:31:38,427 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:31:37" (1/1) ...
[2018-11-06 18:31:38,509 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:31:37" (1/1) ...
[2018-11-06 18:31:38,582 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-11-06 18:31:38,583 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-11-06 18:31:38,583 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2018-11-06 18:31:38,583 INFO  L276        PluginConnector]: RCFGBuilder initialized
[2018-11-06 18:31:38,584 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:31:37" (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 18:31:38,656 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2018-11-06 18:31:38,656 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-11-06 18:31:38,656 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-11-06 18:31:53,062 INFO  L276             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-11-06 18:31:53,063 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 06:31:53 BoogieIcfgContainer
[2018-11-06 18:31:53,063 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-11-06 18:31:53,064 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-11-06 18:31:53,064 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2018-11-06 18:31:53,068 INFO  L276        PluginConnector]: TraceAbstraction initialized
[2018-11-06 18:31:53,068 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 06:31:33" (1/3) ...
[2018-11-06 18:31:53,069 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@622e454e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 06:31:53, skipping insertion in model container
[2018-11-06 18:31:53,069 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:31:37" (2/3) ...
[2018-11-06 18:31:53,070 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@622e454e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 06:31:53, skipping insertion in model container
[2018-11-06 18:31:53,070 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 06:31:53" (3/3) ...
[2018-11-06 18:31:53,073 INFO  L112   eAbstractionObserver]: Analyzing ICFG Problem05_label47_false-unreach-call.c
[2018-11-06 18:31:53,082 INFO  L136   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2018-11-06 18:31:53,093 INFO  L148   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2018-11-06 18:31:53,110 INFO  L257      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2018-11-06 18:31:53,168 INFO  L135   ementStrategyFactory]: Using default assertion order modulation
[2018-11-06 18:31:53,169 INFO  L382      AbstractCegarLoop]: Interprodecural is true
[2018-11-06 18:31:53,169 INFO  L383      AbstractCegarLoop]: Hoare is true
[2018-11-06 18:31:53,169 INFO  L384      AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-11-06 18:31:53,169 INFO  L385      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2018-11-06 18:31:53,170 INFO  L386      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-11-06 18:31:53,170 INFO  L387      AbstractCegarLoop]: Difference is false
[2018-11-06 18:31:53,170 INFO  L388      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-11-06 18:31:53,170 INFO  L393      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-11-06 18:31:53,235 INFO  L276                IsEmpty]: Start isEmpty. Operand 2186 states.
[2018-11-06 18:31:53,371 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1657
[2018-11-06 18:31:53,371 INFO  L367         BasicCegarLoop]: Found error trace
[2018-11-06 18:31:53,374 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]
[2018-11-06 18:31:53,378 INFO  L423      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-11-06 18:31:53,384 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-11-06 18:31:53,386 INFO  L82        PathProgramCache]: Analyzing trace with hash -910435662, now seen corresponding path program 1 times
[2018-11-06 18:31:53,388 INFO  L225   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-11-06 18:31:53,389 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-11-06 18:31:53,440 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 18:31:53,440 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-11-06 18:31:53,440 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 18:31:53,965 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-11-06 18:31:55,773 WARN  L179               SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4
[2018-11-06 18:31:57,954 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 18:31:57,956 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-11-06 18:31:57,957 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2018-11-06 18:31:57,965 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2018-11-06 18:31:57,980 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2018-11-06 18:31:57,980 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2018-11-06 18:31:57,982 INFO  L87              Difference]: Start difference. First operand 2186 states. Second operand 4 states.
[2018-11-06 18:32:16,828 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-11-06 18:32:16,829 INFO  L93              Difference]: Finished difference Result 7917 states and 15105 transitions.
[2018-11-06 18:32:16,829 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2018-11-06 18:32:16,831 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 1656
[2018-11-06 18:32:16,840 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-11-06 18:32:16,899 INFO  L225             Difference]: With dead ends: 7917
[2018-11-06 18:32:16,899 INFO  L226             Difference]: Without dead ends: 5724
[2018-11-06 18:32:16,911 INFO  L604         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 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 18:32:16,935 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5724 states.
[2018-11-06 18:32:17,129 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5724 to 5714.
[2018-11-06 18:32:17,130 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5714 states.
[2018-11-06 18:32:17,154 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5714 states to 5714 states and 9355 transitions.
[2018-11-06 18:32:17,157 INFO  L78                 Accepts]: Start accepts. Automaton has 5714 states and 9355 transitions. Word has length 1656
[2018-11-06 18:32:17,162 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-11-06 18:32:17,162 INFO  L480      AbstractCegarLoop]: Abstraction has 5714 states and 9355 transitions.
[2018-11-06 18:32:17,162 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2018-11-06 18:32:17,162 INFO  L276                IsEmpty]: Start isEmpty. Operand 5714 states and 9355 transitions.
[2018-11-06 18:32:17,455 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1675
[2018-11-06 18:32:17,456 INFO  L367         BasicCegarLoop]: Found error trace
[2018-11-06 18:32:17,457 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]
[2018-11-06 18:32:17,458 INFO  L423      AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-11-06 18:32:17,458 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-11-06 18:32:17,459 INFO  L82        PathProgramCache]: Analyzing trace with hash -1911743626, now seen corresponding path program 1 times
[2018-11-06 18:32:17,459 INFO  L225   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-11-06 18:32:17,460 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-11-06 18:32:17,461 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 18:32:17,462 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-11-06 18:32:17,462 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 18:32:17,636 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-11-06 18:32:18,938 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 18:32:18,939 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-11-06 18:32:18,939 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-11-06 18:32:18,944 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2018-11-06 18:32:18,944 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-11-06 18:32:18,944 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-11-06 18:32:18,945 INFO  L87              Difference]: Start difference. First operand 5714 states and 9355 transitions. Second operand 3 states.
[2018-11-06 18:32:30,077 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-11-06 18:32:30,077 INFO  L93              Difference]: Finished difference Result 16645 states and 27454 transitions.
[2018-11-06 18:32:30,077 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2018-11-06 18:32:30,078 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 1674
[2018-11-06 18:32:30,078 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-11-06 18:32:30,133 INFO  L225             Difference]: With dead ends: 16645
[2018-11-06 18:32:30,133 INFO  L226             Difference]: Without dead ends: 10933
[2018-11-06 18:32:30,143 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 18:32:30,155 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10933 states.
[2018-11-06 18:32:30,339 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10933 to 10848.
[2018-11-06 18:32:30,339 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 10848 states.
[2018-11-06 18:32:30,365 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10848 states to 10848 states and 16481 transitions.
[2018-11-06 18:32:30,365 INFO  L78                 Accepts]: Start accepts. Automaton has 10848 states and 16481 transitions. Word has length 1674
[2018-11-06 18:32:30,366 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-11-06 18:32:30,366 INFO  L480      AbstractCegarLoop]: Abstraction has 10848 states and 16481 transitions.
[2018-11-06 18:32:30,366 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2018-11-06 18:32:30,367 INFO  L276                IsEmpty]: Start isEmpty. Operand 10848 states and 16481 transitions.
[2018-11-06 18:32:30,419 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1694
[2018-11-06 18:32:30,419 INFO  L367         BasicCegarLoop]: Found error trace
[2018-11-06 18:32:30,421 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]
[2018-11-06 18:32:30,421 INFO  L423      AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-11-06 18:32:30,422 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-11-06 18:32:30,423 INFO  L82        PathProgramCache]: Analyzing trace with hash -303290103, now seen corresponding path program 1 times
[2018-11-06 18:32:30,423 INFO  L225   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-11-06 18:32:30,423 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-11-06 18:32:30,424 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 18:32:30,425 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-11-06 18:32:30,425 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 18:32:30,544 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-11-06 18:32:31,952 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 18:32:31,953 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-11-06 18:32:31,953 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2018-11-06 18:32:31,955 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2018-11-06 18:32:31,955 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2018-11-06 18:32:31,955 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2018-11-06 18:32:31,956 INFO  L87              Difference]: Start difference. First operand 10848 states and 16481 transitions. Second operand 4 states.
[2018-11-06 18:32:47,629 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-11-06 18:32:47,629 INFO  L93              Difference]: Finished difference Result 42129 states and 64305 transitions.
[2018-11-06 18:32:47,630 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2018-11-06 18:32:47,630 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 1693
[2018-11-06 18:32:47,630 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-11-06 18:32:47,719 INFO  L225             Difference]: With dead ends: 42129
[2018-11-06 18:32:47,720 INFO  L226             Difference]: Without dead ends: 31283
[2018-11-06 18:32:47,739 INFO  L604         BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 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 18:32:47,767 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 31283 states.
[2018-11-06 18:32:48,164 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 31283 to 31248.
[2018-11-06 18:32:48,164 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 31248 states.
[2018-11-06 18:32:48,208 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 31248 states to 31248 states and 43049 transitions.
[2018-11-06 18:32:48,209 INFO  L78                 Accepts]: Start accepts. Automaton has 31248 states and 43049 transitions. Word has length 1693
[2018-11-06 18:32:48,209 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-11-06 18:32:48,209 INFO  L480      AbstractCegarLoop]: Abstraction has 31248 states and 43049 transitions.
[2018-11-06 18:32:48,210 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2018-11-06 18:32:48,210 INFO  L276                IsEmpty]: Start isEmpty. Operand 31248 states and 43049 transitions.
[2018-11-06 18:32:48,298 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1742
[2018-11-06 18:32:48,298 INFO  L367         BasicCegarLoop]: Found error trace
[2018-11-06 18:32:48,299 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, 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, 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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]
[2018-11-06 18:32:48,299 INFO  L423      AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-11-06 18:32:48,300 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-11-06 18:32:48,300 INFO  L82        PathProgramCache]: Analyzing trace with hash -1838888015, now seen corresponding path program 1 times
[2018-11-06 18:32:48,301 INFO  L225   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-11-06 18:32:48,301 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-11-06 18:32:48,304 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 18:32:48,304 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-11-06 18:32:48,304 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 18:32:48,415 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-11-06 18:32:49,715 INFO  L134       CoverageAnalysis]: Checked inductivity of 121 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked.
[2018-11-06 18:32:49,716 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-11-06 18:32:49,716 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-11-06 18:32:49,717 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2018-11-06 18:32:49,718 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-11-06 18:32:49,718 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-11-06 18:32:49,718 INFO  L87              Difference]: Start difference. First operand 31248 states and 43049 transitions. Second operand 3 states.
[2018-11-06 18:32:58,702 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-11-06 18:32:58,703 INFO  L93              Difference]: Finished difference Result 91371 states and 125623 transitions.
[2018-11-06 18:32:58,703 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2018-11-06 18:32:58,703 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 1741
[2018-11-06 18:32:58,704 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-11-06 18:32:58,862 INFO  L225             Difference]: With dead ends: 91371
[2018-11-06 18:32:58,862 INFO  L226             Difference]: Without dead ends: 60125
[2018-11-06 18:32:58,924 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 18:32:58,989 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 60125 states.
[2018-11-06 18:32:59,820 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 60125 to 60125.
[2018-11-06 18:32:59,820 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 60125 states.
[2018-11-06 18:32:59,938 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 60125 states to 60125 states and 79363 transitions.
[2018-11-06 18:32:59,938 INFO  L78                 Accepts]: Start accepts. Automaton has 60125 states and 79363 transitions. Word has length 1741
[2018-11-06 18:32:59,939 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-11-06 18:32:59,939 INFO  L480      AbstractCegarLoop]: Abstraction has 60125 states and 79363 transitions.
[2018-11-06 18:32:59,939 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2018-11-06 18:32:59,939 INFO  L276                IsEmpty]: Start isEmpty. Operand 60125 states and 79363 transitions.
[2018-11-06 18:33:00,064 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1843
[2018-11-06 18:33:00,065 INFO  L367         BasicCegarLoop]: Found error trace
[2018-11-06 18:33:00,066 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, 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, 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, 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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]
[2018-11-06 18:33:00,067 INFO  L423      AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-11-06 18:33:00,067 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-11-06 18:33:00,068 INFO  L82        PathProgramCache]: Analyzing trace with hash 1660324615, now seen corresponding path program 1 times
[2018-11-06 18:33:00,068 INFO  L225   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-11-06 18:33:00,068 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-11-06 18:33:00,070 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 18:33:00,070 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-11-06 18:33:00,071 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 18:33:00,188 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-11-06 18:33:02,214 INFO  L134       CoverageAnalysis]: Checked inductivity of 287 backedges. 125 proven. 5 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked.
[2018-11-06 18:33:02,215 INFO  L300   seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more.
[2018-11-06 18:33:02,215 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 18:33:02,225 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-11-06 18:33:02,687 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-11-06 18:33:02,750 INFO  L273         TraceCheckSpWp]: Computing forward predicates...
[2018-11-06 18:33:05,372 INFO  L134       CoverageAnalysis]: Checked inductivity of 287 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked.
[2018-11-06 18:33:05,394 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2018-11-06 18:33:05,394 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5
[2018-11-06 18:33:05,399 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2018-11-06 18:33:05,399 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2018-11-06 18:33:05,400 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2018-11-06 18:33:05,400 INFO  L87              Difference]: Start difference. First operand 60125 states and 79363 transitions. Second operand 5 states.
[2018-11-06 18:33:32,260 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-11-06 18:33:32,261 INFO  L93              Difference]: Finished difference Result 288574 states and 376064 transitions.
[2018-11-06 18:33:32,261 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2018-11-06 18:33:32,261 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 1842
[2018-11-06 18:33:32,261 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-11-06 18:33:32,616 INFO  L225             Difference]: With dead ends: 288574
[2018-11-06 18:33:32,617 INFO  L226             Difference]: Without dead ends: 228451
[2018-11-06 18:33:32,738 INFO  L604         BasicCegarLoop]: 0 DeclaredPredicates, 1850 GetRequests, 1843 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 18:33:32,980 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 228451 states.
[2018-11-06 18:33:35,669 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 228451 to 228402.
[2018-11-06 18:33:35,669 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 228402 states.
[2018-11-06 18:33:35,976 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 228402 states to 228402 states and 260008 transitions.
[2018-11-06 18:33:35,977 INFO  L78                 Accepts]: Start accepts. Automaton has 228402 states and 260008 transitions. Word has length 1842
[2018-11-06 18:33:35,977 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-11-06 18:33:35,977 INFO  L480      AbstractCegarLoop]: Abstraction has 228402 states and 260008 transitions.
[2018-11-06 18:33:35,978 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2018-11-06 18:33:35,978 INFO  L276                IsEmpty]: Start isEmpty. Operand 228402 states and 260008 transitions.
[2018-11-06 18:33:36,468 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1955
[2018-11-06 18:33:36,468 INFO  L367         BasicCegarLoop]: Found error trace
[2018-11-06 18:33:36,470 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:33:36,470 INFO  L423      AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-11-06 18:33:36,471 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-11-06 18:33:36,471 INFO  L82        PathProgramCache]: Analyzing trace with hash 1643219328, now seen corresponding path program 1 times
[2018-11-06 18:33:36,471 INFO  L225   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-11-06 18:33:36,472 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-11-06 18:33:36,473 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 18:33:36,474 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-11-06 18:33:36,474 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 18:33:36,620 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-11-06 18:33:40,385 INFO  L134       CoverageAnalysis]: Checked inductivity of 442 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked.
[2018-11-06 18:33:40,386 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-11-06 18:33:40,386 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2018-11-06 18:33:40,388 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2018-11-06 18:33:40,389 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2018-11-06 18:33:40,389 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2018-11-06 18:33:40,389 INFO  L87              Difference]: Start difference. First operand 228402 states and 260008 transitions. Second operand 4 states.
[2018-11-06 18:33:55,114 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-11-06 18:33:55,114 INFO  L93              Difference]: Finished difference Result 545215 states and 617567 transitions.
[2018-11-06 18:33:55,115 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2018-11-06 18:33:55,115 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 1954
[2018-11-06 18:33:55,116 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-11-06 18:33:55,484 INFO  L225             Difference]: With dead ends: 545215
[2018-11-06 18:33:55,484 INFO  L226             Difference]: Without dead ends: 316815
[2018-11-06 18:33:55,623 INFO  L604         BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 18:33:55,872 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 316815 states.
[2018-11-06 18:33:58,468 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 316815 to 316756.
[2018-11-06 18:33:58,469 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 316756 states.
[2018-11-06 18:33:58,753 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 316756 states to 316756 states and 352444 transitions.
[2018-11-06 18:33:58,753 INFO  L78                 Accepts]: Start accepts. Automaton has 316756 states and 352444 transitions. Word has length 1954
[2018-11-06 18:33:58,754 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-11-06 18:33:58,754 INFO  L480      AbstractCegarLoop]: Abstraction has 316756 states and 352444 transitions.
[2018-11-06 18:33:58,754 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2018-11-06 18:33:58,754 INFO  L276                IsEmpty]: Start isEmpty. Operand 316756 states and 352444 transitions.
[2018-11-06 18:33:58,950 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2013
[2018-11-06 18:33:58,950 INFO  L367         BasicCegarLoop]: Found error trace
[2018-11-06 18:33:58,952 INFO  L375         BasicCegarLoop]: trace histogram [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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:33:58,952 INFO  L423      AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-11-06 18:33:58,952 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-11-06 18:33:58,953 INFO  L82        PathProgramCache]: Analyzing trace with hash 112815066, now seen corresponding path program 1 times
[2018-11-06 18:33:58,953 INFO  L225   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-11-06 18:33:58,953 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-11-06 18:33:58,954 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 18:33:58,954 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-11-06 18:33:58,954 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 18:33:59,062 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-11-06 18:34:08,227 INFO  L134       CoverageAnalysis]: Checked inductivity of 620 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked.
[2018-11-06 18:34:08,227 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-11-06 18:34:08,228 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-11-06 18:34:08,230 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2018-11-06 18:34:08,230 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-11-06 18:34:08,230 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-11-06 18:34:08,230 INFO  L87              Difference]: Start difference. First operand 316756 states and 352444 transitions. Second operand 3 states.
[2018-11-06 18:34:18,251 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-11-06 18:34:18,252 INFO  L93              Difference]: Finished difference Result 624913 states and 694844 transitions.
[2018-11-06 18:34:18,259 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2018-11-06 18:34:18,259 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 2012
[2018-11-06 18:34:18,259 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-11-06 18:34:18,617 INFO  L225             Difference]: With dead ends: 624913
[2018-11-06 18:34:18,617 INFO  L226             Difference]: Without dead ends: 303053
[2018-11-06 18:34:18,778 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 18:34:19,013 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 303053 states.
[2018-11-06 18:34:21,705 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 303053 to 301352.
[2018-11-06 18:34:21,705 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 301352 states.
[2018-11-06 18:34:22,034 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 301352 states to 301352 states and 322864 transitions.
[2018-11-06 18:34:22,035 INFO  L78                 Accepts]: Start accepts. Automaton has 301352 states and 322864 transitions. Word has length 2012
[2018-11-06 18:34:22,035 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-11-06 18:34:22,035 INFO  L480      AbstractCegarLoop]: Abstraction has 301352 states and 322864 transitions.
[2018-11-06 18:34:22,035 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2018-11-06 18:34:22,035 INFO  L276                IsEmpty]: Start isEmpty. Operand 301352 states and 322864 transitions.
[2018-11-06 18:34:23,621 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2043
[2018-11-06 18:34:23,621 INFO  L367         BasicCegarLoop]: Found error trace
[2018-11-06 18:34:23,623 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]
[2018-11-06 18:34:23,623 INFO  L423      AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-11-06 18:34:23,623 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-11-06 18:34:23,624 INFO  L82        PathProgramCache]: Analyzing trace with hash 2068379673, now seen corresponding path program 1 times
[2018-11-06 18:34:23,624 INFO  L225   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-11-06 18:34:23,624 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-11-06 18:34:23,625 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 18:34:23,625 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-11-06 18:34:23,625 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 18:34:23,790 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-11-06 18:34:24,694 WARN  L179               SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 11
[2018-11-06 18:34:26,743 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 18:34:26,744 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-11-06 18:34:26,744 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2018-11-06 18:34:26,745 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2018-11-06 18:34:26,745 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2018-11-06 18:34:26,746 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2018-11-06 18:34:26,746 INFO  L87              Difference]: Start difference. First operand 301352 states and 322864 transitions. Second operand 4 states.
[2018-11-06 18:34:43,774 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-11-06 18:34:43,774 INFO  L93              Difference]: Finished difference Result 750634 states and 808769 transitions.
[2018-11-06 18:34:43,774 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2018-11-06 18:34:43,775 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 2042
[2018-11-06 18:34:43,775 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2018-11-06 18:34:44,393 INFO  L225             Difference]: With dead ends: 750634
[2018-11-06 18:34:44,394 INFO  L226             Difference]: Without dead ends: 449284
[2018-11-06 18:34:44,518 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 18:34:44,863 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 449284 states.
[2018-11-06 18:34:48,502 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 449284 to 447472.
[2018-11-06 18:34:48,502 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 447472 states.
[2018-11-06 18:34:48,958 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 447472 states to 447472 states and 474301 transitions.
[2018-11-06 18:34:48,959 INFO  L78                 Accepts]: Start accepts. Automaton has 447472 states and 474301 transitions. Word has length 2042
[2018-11-06 18:34:48,959 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2018-11-06 18:34:48,959 INFO  L480      AbstractCegarLoop]: Abstraction has 447472 states and 474301 transitions.
[2018-11-06 18:34:48,959 INFO  L481      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2018-11-06 18:34:48,959 INFO  L276                IsEmpty]: Start isEmpty. Operand 447472 states and 474301 transitions.
[2018-11-06 18:34:50,564 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2280
[2018-11-06 18:34:50,565 INFO  L367         BasicCegarLoop]: Found error trace
[2018-11-06 18:34:50,566 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2018-11-06 18:34:50,566 INFO  L423      AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2018-11-06 18:34:50,567 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-11-06 18:34:50,567 INFO  L82        PathProgramCache]: Analyzing trace with hash -1521527666, now seen corresponding path program 1 times
[2018-11-06 18:34:50,567 INFO  L225   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-11-06 18:34:50,568 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-11-06 18:34:50,569 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 18:34:50,569 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-11-06 18:34:50,569 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-11-06 18:34:50,729 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-11-06 18:34:59,403 INFO  L134       CoverageAnalysis]: Checked inductivity of 1175 backedges. 894 proven. 0 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked.
[2018-11-06 18:34:59,403 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-11-06 18:34:59,403 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2018-11-06 18:34:59,405 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2018-11-06 18:34:59,405 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2018-11-06 18:34:59,405 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2018-11-06 18:34:59,406 INFO  L87              Difference]: Start difference. First operand 447472 states and 474301 transitions. Second operand 4 states.
Received shutdown request...
[2018-11-06 18:35:05,168 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2018-11-06 18:35:05,168 WARN  L549      AbstractCegarLoop]: Verification canceled
[2018-11-06 18:35:05,173 WARN  L205   ceAbstractionStarter]: Timeout
[2018-11-06 18:35:05,174 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 06:35:05 BoogieIcfgContainer
[2018-11-06 18:35:05,174 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2018-11-06 18:35:05,175 INFO  L168              Benchmark]: Toolchain (without parser) took 212036.83 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 3.1 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB.
[2018-11-06 18:35:05,176 INFO  L168              Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB.
[2018-11-06 18:35:05,177 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 4003.57 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 987.3 MB in the end (delta: 391.1 MB). Peak memory consumption was 391.1 MB. Max. memory is 7.1 GB.
[2018-11-06 18:35:05,181 INFO  L168              Benchmark]: Boogie Procedure Inliner took 1017.44 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 857.7 MB). Free memory was 987.3 MB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 97.1 MB. Max. memory is 7.1 GB.
[2018-11-06 18:35:05,182 INFO  L168              Benchmark]: Boogie Preprocessor took 420.54 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: 60.6 MB). Peak memory consumption was 60.6 MB. Max. memory is 7.1 GB.
[2018-11-06 18:35:05,183 INFO  L168              Benchmark]: RCFGBuilder took 14480.58 ms. Allocated memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: 272.6 MB). Free memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: -265.9 MB). Peak memory consumption was 877.5 MB. Max. memory is 7.1 GB.
[2018-11-06 18:35:05,189 INFO  L168              Benchmark]: TraceAbstraction took 192109.63 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 3.1 GB in the end (delta: -656.0 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB.
[2018-11-06 18:35:05,199 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 4003.57 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 987.3 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 1017.44 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 857.7 MB). Free memory was 987.3 MB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 97.1 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 420.54 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: 60.6 MB). Peak memory consumption was 60.6 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 14480.58 ms. Allocated memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: 272.6 MB). Free memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: -265.9 MB). Peak memory consumption was 877.5 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 192109.63 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 3.1 GB in the end (delta: -656.0 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - TimeoutResultAtElement [Line: 11009]: Timeout (TraceAbstraction)
    Unable to prove that call of __VERIFIER_error() unreachable (line 11009). Cancelled while BasicCegarLoop was constructing difference of abstraction (447472states) and FLOYD_HOARE automaton (currently 4 states, 4 states before enhancement),while ReachableStatesComputation was computing reachable states (83315 states constructedinput type IntersectNwa).
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 2186 locations, 1 error locations. TIMEOUT Result, 192.0s OverallTime, 9 OverallIterations, 5 TraceHistogramMax, 131.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 16898 SDtfs, 41032 SDslu, 2856 SDs, 0 SdLazy, 69245 SolverSat, 24971 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 97.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1876 GetRequests, 1854 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=447472occurred 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: 16.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 3751 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.9s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 8.4s InterpolantComputationTime, 18735 NumberOfCodeBlocks, 18735 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 18725 ConstructedInterpolants, 0 QuantifiedInterpolants, 45570964 SizeOfPredicates, 1 NumberOfNonLiveVariables, 2055 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 3728/3733 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: Timeout
Completed graceful shutdown