./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.2.prop1-func-interl.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version 84cfde4a
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.2.prop1-func-interl.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 473867d34e525b28e26b42df133bde96f703860ebccbeb1b29653c50d41b3f37
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-84cfde4
[2024-10-11 06:54:32,907 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-10-11 06:54:33,001 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-10-11 06:54:33,007 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-10-11 06:54:33,010 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-10-11 06:54:33,042 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-10-11 06:54:33,042 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-10-11 06:54:33,043 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-10-11 06:54:33,044 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-10-11 06:54:33,044 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-10-11 06:54:33,044 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-10-11 06:54:33,045 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-10-11 06:54:33,045 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-10-11 06:54:33,046 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-10-11 06:54:33,046 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-10-11 06:54:33,046 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-10-11 06:54:33,047 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-10-11 06:54:33,047 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-10-11 06:54:33,048 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-10-11 06:54:33,048 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-10-11 06:54:33,048 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-10-11 06:54:33,049 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-10-11 06:54:33,049 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-10-11 06:54:33,049 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-10-11 06:54:33,050 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-10-11 06:54:33,050 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-10-11 06:54:33,050 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-10-11 06:54:33,051 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-10-11 06:54:33,051 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-10-11 06:54:33,051 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-10-11 06:54:33,052 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-10-11 06:54:33,052 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-10-11 06:54:33,052 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-10-11 06:54:33,052 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-10-11 06:54:33,053 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-10-11 06:54:33,053 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-10-11 06:54:33,053 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-10-11 06:54:33,054 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-10-11 06:54:33,054 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-10-11 06:54:33,054 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 473867d34e525b28e26b42df133bde96f703860ebccbeb1b29653c50d41b3f37
[2024-10-11 06:54:33,320 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-10-11 06:54:33,344 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-10-11 06:54:33,348 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-10-11 06:54:33,350 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-10-11 06:54:33,351 INFO  L274        PluginConnector]: CDTParser initialized
[2024-10-11 06:54:33,353 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.2.prop1-func-interl.c
[2024-10-11 06:54:34,814 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-10-11 06:54:35,176 INFO  L384              CDTParser]: Found 1 translation units.
[2024-10-11 06:54:35,177 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.2.prop1-func-interl.c
[2024-10-11 06:54:35,210 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/c465b99a7/897c7f86f3734b889c3e53ec7a601b3e/FLAG43f5d05a5
[2024-10-11 06:54:35,227 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/c465b99a7/897c7f86f3734b889c3e53ec7a601b3e
[2024-10-11 06:54:35,230 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-10-11 06:54:35,232 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-10-11 06:54:35,233 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-10-11 06:54:35,233 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-10-11 06:54:35,238 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-10-11 06:54:35,239 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:54:35" (1/1) ...
[2024-10-11 06:54:35,241 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d6fd182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:54:35, skipping insertion in model container
[2024-10-11 06:54:35,241 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:54:35" (1/1) ...
[2024-10-11 06:54:35,363 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-10-11 06:54:35,623 WARN  L248   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.2.prop1-func-interl.c[1176,1189]
[2024-10-11 06:54:36,213 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-11 06:54:36,226 INFO  L200         MainTranslator]: Completed pre-run
[2024-10-11 06:54:36,239 WARN  L248   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.2.prop1-func-interl.c[1176,1189]
[2024-10-11 06:54:36,542 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-11 06:54:36,561 INFO  L204         MainTranslator]: Completed translation
[2024-10-11 06:54:36,561 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:54:36 WrapperNode
[2024-10-11 06:54:36,562 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-10-11 06:54:36,563 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-10-11 06:54:36,563 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-10-11 06:54:36,563 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-10-11 06:54:36,570 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:54:36" (1/1) ...
[2024-10-11 06:54:36,704 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:54:36" (1/1) ...
[2024-10-11 06:54:38,781 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 16104
[2024-10-11 06:54:38,783 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-10-11 06:54:38,784 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-10-11 06:54:38,784 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-10-11 06:54:38,784 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-10-11 06:54:38,795 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:54:36" (1/1) ...
[2024-10-11 06:54:38,795 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:54:36" (1/1) ...
[2024-10-11 06:54:39,470 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:54:36" (1/1) ...
[2024-10-11 06:54:39,715 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-10-11 06:54:39,715 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:54:36" (1/1) ...
[2024-10-11 06:54:39,716 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:54:36" (1/1) ...
[2024-10-11 06:54:40,538 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:54:36" (1/1) ...
[2024-10-11 06:54:40,645 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:54:36" (1/1) ...
[2024-10-11 06:54:40,808 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:54:36" (1/1) ...
[2024-10-11 06:54:40,956 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:54:36" (1/1) ...
[2024-10-11 06:54:41,528 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-10-11 06:54:41,529 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-10-11 06:54:41,529 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-10-11 06:54:41,530 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-10-11 06:54:41,530 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:54:36" (1/1) ...
[2024-10-11 06:54:41,536 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-10-11 06:54:41,558 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3
[2024-10-11 06:54:41,600 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-10-11 06:54:41,758 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-10-11 06:54:41,843 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-10-11 06:54:41,843 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-10-11 06:54:41,843 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-10-11 06:54:41,843 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-10-11 06:54:42,775 INFO  L238             CfgBuilder]: Building ICFG
[2024-10-11 06:54:42,778 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-10-11 06:55:08,695 INFO  L?                        ?]: Removed 9054 outVars from TransFormulas that were not future-live.
[2024-10-11 06:55:08,696 INFO  L287             CfgBuilder]: Performing block encoding
[2024-10-11 06:55:08,959 INFO  L309             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-10-11 06:55:08,960 INFO  L314             CfgBuilder]: Removed 1 assume(true) statements.
[2024-10-11 06:55:08,960 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 06:55:08 BoogieIcfgContainer
[2024-10-11 06:55:08,961 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-10-11 06:55:08,964 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-10-11 06:55:08,964 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-10-11 06:55:08,968 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-10-11 06:55:08,968 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 06:54:35" (1/3) ...
[2024-10-11 06:55:08,970 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19768dc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 06:55:08, skipping insertion in model container
[2024-10-11 06:55:08,970 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:54:36" (2/3) ...
[2024-10-11 06:55:08,971 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19768dc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 06:55:08, skipping insertion in model container
[2024-10-11 06:55:08,971 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 06:55:08" (3/3) ...
[2024-10-11 06:55:08,972 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.telephony.2.prop1-func-interl.c
[2024-10-11 06:55:08,988 INFO  L209   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-10-11 06:55:08,989 INFO  L149   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-10-11 06:55:09,165 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-10-11 06:55:09,174 INFO  L333      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6bd098e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-10-11 06:55:09,175 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-10-11 06:55:09,197 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 5703 states, 5701 states have (on average 1.5042974916681284) internal successors, (8576), 5702 states have internal predecessors, (8576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-11 06:55:09,224 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 229
[2024-10-11 06:55:09,226 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-11 06:55:09,227 INFO  L215           NwaCegarLoop]: 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]
[2024-10-11 06:55:09,227 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-11 06:55:09,232 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-11 06:55:09,234 INFO  L85        PathProgramCache]: Analyzing trace with hash 2005381166, now seen corresponding path program 1 times
[2024-10-11 06:55:09,242 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-11 06:55:09,243 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982132986]
[2024-10-11 06:55:09,243 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-11 06:55:09,243 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-11 06:55:09,637 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-11 06:55:10,572 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-11 06:55:10,573 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-11 06:55:10,575 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982132986]
[2024-10-11 06:55:10,576 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982132986] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-11 06:55:10,576 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-11 06:55:10,576 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-11 06:55:10,578 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012254339]
[2024-10-11 06:55:10,578 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-11 06:55:10,583 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-11 06:55:10,584 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-11 06:55:10,605 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-11 06:55:10,606 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-11 06:55:10,621 INFO  L87              Difference]: Start difference. First operand  has 5703 states, 5701 states have (on average 1.5042974916681284) internal successors, (8576), 5702 states have internal predecessors, (8576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 4 states, 4 states have (on average 57.0) internal successors, (228), 4 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-11 06:55:10,896 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-11 06:55:10,897 INFO  L93              Difference]: Finished difference Result 11186 states and 16824 transitions.
[2024-10-11 06:55:10,899 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-11 06:55:10,900 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 57.0) internal successors, (228), 4 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 228
[2024-10-11 06:55:10,902 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-11 06:55:10,950 INFO  L225             Difference]: With dead ends: 11186
[2024-10-11 06:55:10,950 INFO  L226             Difference]: Without dead ends: 5704
[2024-10-11 06:55:10,965 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-11 06:55:10,972 INFO  L432           NwaCegarLoop]: 8571 mSDtfsCounter, 0 mSDsluCounter, 17137 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 25708 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-10-11 06:55:10,973 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25708 Invalid, 13 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-10-11 06:55:11,002 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5704 states.
[2024-10-11 06:55:11,135 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5704 to 5704.
[2024-10-11 06:55:11,148 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5704 states, 5703 states have (on average 1.5037699456426443) internal successors, (8576), 5703 states have internal predecessors, (8576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-11 06:55:11,164 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5704 states to 5704 states and 8576 transitions.
[2024-10-11 06:55:11,166 INFO  L78                 Accepts]: Start accepts. Automaton has 5704 states and 8576 transitions. Word has length 228
[2024-10-11 06:55:11,170 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-11 06:55:11,170 INFO  L471      AbstractCegarLoop]: Abstraction has 5704 states and 8576 transitions.
[2024-10-11 06:55:11,170 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 57.0) internal successors, (228), 4 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-11 06:55:11,171 INFO  L276                IsEmpty]: Start isEmpty. Operand 5704 states and 8576 transitions.
[2024-10-11 06:55:11,177 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 230
[2024-10-11 06:55:11,178 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-11 06:55:11,178 INFO  L215           NwaCegarLoop]: 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]
[2024-10-11 06:55:11,178 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-10-11 06:55:11,179 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-11 06:55:11,179 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-11 06:55:11,179 INFO  L85        PathProgramCache]: Analyzing trace with hash 2038970611, now seen corresponding path program 1 times
[2024-10-11 06:55:11,180 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-11 06:55:11,180 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092659993]
[2024-10-11 06:55:11,180 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-11 06:55:11,180 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-11 06:55:11,324 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-11 06:55:11,697 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-11 06:55:11,699 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-11 06:55:11,699 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092659993]
[2024-10-11 06:55:11,699 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092659993] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-11 06:55:11,700 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-11 06:55:11,700 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-11 06:55:11,700 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10188455]
[2024-10-11 06:55:11,700 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-11 06:55:11,701 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-11 06:55:11,701 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-11 06:55:11,702 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-11 06:55:11,704 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-11 06:55:11,704 INFO  L87              Difference]: Start difference. First operand 5704 states and 8576 transitions. Second operand  has 4 states, 4 states have (on average 57.25) internal successors, (229), 4 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-11 06:55:11,911 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-11 06:55:11,912 INFO  L93              Difference]: Finished difference Result 11189 states and 16824 transitions.
[2024-10-11 06:55:11,913 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-11 06:55:11,913 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 57.25) internal successors, (229), 4 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 229
[2024-10-11 06:55:11,915 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-11 06:55:11,934 INFO  L225             Difference]: With dead ends: 11189
[2024-10-11 06:55:11,935 INFO  L226             Difference]: Without dead ends: 5706
[2024-10-11 06:55:11,944 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-11 06:55:11,946 INFO  L432           NwaCegarLoop]: 8571 mSDtfsCounter, 0 mSDsluCounter, 17134 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 25705 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-10-11 06:55:11,947 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25705 Invalid, 16 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-10-11 06:55:11,957 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5706 states.
[2024-10-11 06:55:12,036 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5706 to 5706.
[2024-10-11 06:55:12,047 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5706 states, 5705 states have (on average 1.5035933391761613) internal successors, (8578), 5705 states have internal predecessors, (8578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-11 06:55:12,065 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5706 states to 5706 states and 8578 transitions.
[2024-10-11 06:55:12,065 INFO  L78                 Accepts]: Start accepts. Automaton has 5706 states and 8578 transitions. Word has length 229
[2024-10-11 06:55:12,066 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-11 06:55:12,067 INFO  L471      AbstractCegarLoop]: Abstraction has 5706 states and 8578 transitions.
[2024-10-11 06:55:12,067 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 57.25) internal successors, (229), 4 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-11 06:55:12,067 INFO  L276                IsEmpty]: Start isEmpty. Operand 5706 states and 8578 transitions.
[2024-10-11 06:55:12,070 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 231
[2024-10-11 06:55:12,070 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-11 06:55:12,070 INFO  L215           NwaCegarLoop]: 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]
[2024-10-11 06:55:12,070 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-10-11 06:55:12,071 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-11 06:55:12,071 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-11 06:55:12,071 INFO  L85        PathProgramCache]: Analyzing trace with hash 1980582311, now seen corresponding path program 1 times
[2024-10-11 06:55:12,071 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-11 06:55:12,072 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577729542]
[2024-10-11 06:55:12,072 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-11 06:55:12,072 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-11 06:55:12,175 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-11 06:55:12,574 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-11 06:55:12,575 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-11 06:55:12,575 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577729542]
[2024-10-11 06:55:12,575 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577729542] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-11 06:55:12,576 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-11 06:55:12,576 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-11 06:55:12,576 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371883021]
[2024-10-11 06:55:12,576 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-11 06:55:12,577 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-10-11 06:55:12,577 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-11 06:55:12,578 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-10-11 06:55:12,578 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-10-11 06:55:12,578 INFO  L87              Difference]: Start difference. First operand 5706 states and 8578 transitions. Second operand  has 5 states, 5 states have (on average 46.0) internal successors, (230), 4 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-11 06:55:12,892 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-11 06:55:12,892 INFO  L93              Difference]: Finished difference Result 15742 states and 23673 transitions.
[2024-10-11 06:55:12,893 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-10-11 06:55:12,893 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 46.0) internal successors, (230), 4 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 230
[2024-10-11 06:55:12,894 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-11 06:55:12,929 INFO  L225             Difference]: With dead ends: 15742
[2024-10-11 06:55:12,929 INFO  L226             Difference]: Without dead ends: 10257
[2024-10-11 06:55:12,939 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-10-11 06:55:12,941 INFO  L432           NwaCegarLoop]: 8567 mSDtfsCounter, 6962 mSDsluCounter, 25367 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6962 SdHoareTripleChecker+Valid, 33934 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-10-11 06:55:12,943 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [6962 Valid, 33934 Invalid, 31 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-10-11 06:55:12,961 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10257 states.
[2024-10-11 06:55:13,238 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10257 to 5928.
[2024-10-11 06:55:13,257 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5928 states, 5927 states have (on average 1.5032900286823014) internal successors, (8910), 5927 states have internal predecessors, (8910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-11 06:55:13,274 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5928 states to 5928 states and 8910 transitions.
[2024-10-11 06:55:13,274 INFO  L78                 Accepts]: Start accepts. Automaton has 5928 states and 8910 transitions. Word has length 230
[2024-10-11 06:55:13,275 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-11 06:55:13,275 INFO  L471      AbstractCegarLoop]: Abstraction has 5928 states and 8910 transitions.
[2024-10-11 06:55:13,275 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 46.0) internal successors, (230), 4 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-11 06:55:13,276 INFO  L276                IsEmpty]: Start isEmpty. Operand 5928 states and 8910 transitions.
[2024-10-11 06:55:13,457 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2918
[2024-10-11 06:55:13,457 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-11 06:55:13,459 INFO  L215           NwaCegarLoop]: 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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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]
[2024-10-11 06:55:13,459 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-10-11 06:55:13,460 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-11 06:55:13,460 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-11 06:55:13,461 INFO  L85        PathProgramCache]: Analyzing trace with hash 2004250758, now seen corresponding path program 1 times
[2024-10-11 06:55:13,462 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-11 06:55:13,462 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390141214]
[2024-10-11 06:55:13,462 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-11 06:55:13,463 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-11 06:55:18,551 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-11 06:55:24,465 INFO  L134       CoverageAnalysis]: Checked inductivity of 116 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-11 06:55:24,466 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-11 06:55:24,466 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390141214]
[2024-10-11 06:55:24,466 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390141214] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-11 06:55:24,467 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-11 06:55:24,467 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-10-11 06:55:24,467 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973376538]
[2024-10-11 06:55:24,468 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-11 06:55:24,472 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-11 06:55:24,472 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-11 06:55:24,476 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-11 06:55:24,476 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-11 06:55:24,482 INFO  L87              Difference]: Start difference. First operand 5928 states and 8910 transitions. Second operand  has 4 states, 4 states have (on average 729.25) internal successors, (2917), 3 states have internal predecessors, (2917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-11 06:55:25,076 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-11 06:55:25,076 INFO  L93              Difference]: Finished difference Result 11413 states and 17157 transitions.
[2024-10-11 06:55:25,077 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-11 06:55:25,078 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 729.25) internal successors, (2917), 3 states have internal predecessors, (2917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2917
[2024-10-11 06:55:25,079 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-11 06:55:25,098 INFO  L225             Difference]: With dead ends: 11413
[2024-10-11 06:55:25,099 INFO  L226             Difference]: Without dead ends: 5928
[2024-10-11 06:55:25,105 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-10-11 06:55:25,106 INFO  L432           NwaCegarLoop]: 8549 mSDtfsCounter, 8349 mSDsluCounter, 8547 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8349 SdHoareTripleChecker+Valid, 17096 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-10-11 06:55:25,107 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [8349 Valid, 17096 Invalid, 46 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-10-11 06:55:25,116 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5928 states.
[2024-10-11 06:55:25,207 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5928 to 5928.
[2024-10-11 06:55:25,217 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5928 states, 5927 states have (on average 1.503121309262696) internal successors, (8909), 5927 states have internal predecessors, (8909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-11 06:55:25,232 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5928 states to 5928 states and 8909 transitions.
[2024-10-11 06:55:25,232 INFO  L78                 Accepts]: Start accepts. Automaton has 5928 states and 8909 transitions. Word has length 2917
[2024-10-11 06:55:25,233 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-11 06:55:25,234 INFO  L471      AbstractCegarLoop]: Abstraction has 5928 states and 8909 transitions.
[2024-10-11 06:55:25,235 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 729.25) internal successors, (2917), 3 states have internal predecessors, (2917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-11 06:55:25,235 INFO  L276                IsEmpty]: Start isEmpty. Operand 5928 states and 8909 transitions.
[2024-10-11 06:55:25,319 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2919
[2024-10-11 06:55:25,319 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-11 06:55:25,321 INFO  L215           NwaCegarLoop]: 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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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]
[2024-10-11 06:55:25,321 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-10-11 06:55:25,321 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-11 06:55:25,322 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-11 06:55:25,323 INFO  L85        PathProgramCache]: Analyzing trace with hash -528699454, now seen corresponding path program 1 times
[2024-10-11 06:55:25,323 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-11 06:55:25,323 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837233802]
[2024-10-11 06:55:25,324 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-11 06:55:25,324 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-11 06:55:28,305 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-11 06:55:32,019 INFO  L134       CoverageAnalysis]: Checked inductivity of 116 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-11 06:55:32,019 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-11 06:55:32,019 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837233802]
[2024-10-11 06:55:32,020 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837233802] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-11 06:55:32,020 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-11 06:55:32,020 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-10-11 06:55:32,020 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968645561]
[2024-10-11 06:55:32,020 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-11 06:55:32,023 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-11 06:55:32,023 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-11 06:55:32,057 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-11 06:55:32,058 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-11 06:55:32,059 INFO  L87              Difference]: Start difference. First operand 5928 states and 8909 transitions. Second operand  has 4 states, 4 states have (on average 729.5) internal successors, (2918), 3 states have internal predecessors, (2918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-11 06:55:32,421 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-11 06:55:32,421 INFO  L93              Difference]: Finished difference Result 11413 states and 17155 transitions.
[2024-10-11 06:55:32,422 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-11 06:55:32,423 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 729.5) internal successors, (2918), 3 states have internal predecessors, (2918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2918
[2024-10-11 06:55:32,424 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-11 06:55:32,436 INFO  L225             Difference]: With dead ends: 11413
[2024-10-11 06:55:32,437 INFO  L226             Difference]: Without dead ends: 5928
[2024-10-11 06:55:32,446 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-10-11 06:55:32,448 INFO  L432           NwaCegarLoop]: 8548 mSDtfsCounter, 8331 mSDsluCounter, 8546 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8331 SdHoareTripleChecker+Valid, 17094 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-10-11 06:55:32,448 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [8331 Valid, 17094 Invalid, 46 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-10-11 06:55:32,461 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5928 states.
[2024-10-11 06:55:32,568 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5928 to 5928.
[2024-10-11 06:55:32,576 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5928 states, 5927 states have (on average 1.5029525898430909) internal successors, (8908), 5927 states have internal predecessors, (8908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-11 06:55:32,589 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5928 states to 5928 states and 8908 transitions.
[2024-10-11 06:55:32,590 INFO  L78                 Accepts]: Start accepts. Automaton has 5928 states and 8908 transitions. Word has length 2918
[2024-10-11 06:55:32,591 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-11 06:55:32,592 INFO  L471      AbstractCegarLoop]: Abstraction has 5928 states and 8908 transitions.
[2024-10-11 06:55:32,593 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 729.5) internal successors, (2918), 3 states have internal predecessors, (2918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-11 06:55:32,593 INFO  L276                IsEmpty]: Start isEmpty. Operand 5928 states and 8908 transitions.
[2024-10-11 06:55:32,700 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2920
[2024-10-11 06:55:32,701 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-11 06:55:32,703 INFO  L215           NwaCegarLoop]: 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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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]
[2024-10-11 06:55:32,704 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-10-11 06:55:32,704 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-11 06:55:32,705 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-11 06:55:32,706 INFO  L85        PathProgramCache]: Analyzing trace with hash 1012206659, now seen corresponding path program 1 times
[2024-10-11 06:55:32,706 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-11 06:55:32,706 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907023971]
[2024-10-11 06:55:32,707 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-11 06:55:32,708 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-11 06:55:35,002 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-11 06:55:37,896 INFO  L134       CoverageAnalysis]: Checked inductivity of 116 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-11 06:55:37,896 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-11 06:55:37,897 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907023971]
[2024-10-11 06:55:37,897 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907023971] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-11 06:55:37,897 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-11 06:55:37,897 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-10-11 06:55:37,897 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334338487]
[2024-10-11 06:55:37,898 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-11 06:55:37,900 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-11 06:55:37,900 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-11 06:55:37,903 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-11 06:55:37,903 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-11 06:55:37,904 INFO  L87              Difference]: Start difference. First operand 5928 states and 8908 transitions. Second operand  has 4 states, 4 states have (on average 729.75) internal successors, (2919), 3 states have internal predecessors, (2919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-11 06:55:38,175 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-11 06:55:38,175 INFO  L93              Difference]: Finished difference Result 11413 states and 17153 transitions.
[2024-10-11 06:55:38,176 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-11 06:55:38,178 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 729.75) internal successors, (2919), 3 states have internal predecessors, (2919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2919
[2024-10-11 06:55:38,179 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-11 06:55:38,189 INFO  L225             Difference]: With dead ends: 11413
[2024-10-11 06:55:38,190 INFO  L226             Difference]: Without dead ends: 5928
[2024-10-11 06:55:38,197 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-10-11 06:55:38,201 INFO  L432           NwaCegarLoop]: 8547 mSDtfsCounter, 8313 mSDsluCounter, 8545 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8313 SdHoareTripleChecker+Valid, 17092 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-10-11 06:55:38,202 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [8313 Valid, 17092 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-10-11 06:55:38,210 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5928 states.
[2024-10-11 06:55:38,279 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5928 to 5928.
[2024-10-11 06:55:38,287 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5928 states, 5927 states have (on average 1.5027838704234857) internal successors, (8907), 5927 states have internal predecessors, (8907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-11 06:55:38,296 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5928 states to 5928 states and 8907 transitions.
[2024-10-11 06:55:38,297 INFO  L78                 Accepts]: Start accepts. Automaton has 5928 states and 8907 transitions. Word has length 2919
[2024-10-11 06:55:38,297 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-11 06:55:38,298 INFO  L471      AbstractCegarLoop]: Abstraction has 5928 states and 8907 transitions.
[2024-10-11 06:55:38,299 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 729.75) internal successors, (2919), 3 states have internal predecessors, (2919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-11 06:55:38,299 INFO  L276                IsEmpty]: Start isEmpty. Operand 5928 states and 8907 transitions.
[2024-10-11 06:55:38,350 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2921
[2024-10-11 06:55:38,350 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-11 06:55:38,352 INFO  L215           NwaCegarLoop]: 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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[2024-10-11 06:55:38,352 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-10-11 06:55:38,353 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-11 06:55:38,353 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-11 06:55:38,354 INFO  L85        PathProgramCache]: Analyzing trace with hash 109121055, now seen corresponding path program 1 times
[2024-10-11 06:55:38,354 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-11 06:55:38,355 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878102694]
[2024-10-11 06:55:38,355 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-11 06:55:38,355 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-11 06:55:40,930 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat