./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.bridge.2.prop1-func-interl.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version 61a67961
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bridge.2.prop1-func-interl.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 6e9f7e51d9eaaaf8cefb5384ef4fbd0bb8e8426417c92e5ec908f2483f944946
--- Real Ultimate output ---
This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m
[2024-10-14 05:34:38,274 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-10-14 05:34:38,338 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-10-14 05:34:38,344 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-10-14 05:34:38,344 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-10-14 05:34:38,370 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-10-14 05:34:38,371 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-10-14 05:34:38,371 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-10-14 05:34:38,371 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-10-14 05:34:38,372 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-10-14 05:34:38,372 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-10-14 05:34:38,372 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-10-14 05:34:38,373 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-10-14 05:34:38,373 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-10-14 05:34:38,373 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-10-14 05:34:38,374 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-10-14 05:34:38,376 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-10-14 05:34:38,378 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-10-14 05:34:38,378 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-10-14 05:34:38,379 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-10-14 05:34:38,379 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-10-14 05:34:38,379 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-10-14 05:34:38,382 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-10-14 05:34:38,382 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-10-14 05:34:38,383 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-10-14 05:34:38,383 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-10-14 05:34:38,383 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-10-14 05:34:38,383 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-10-14 05:34:38,384 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-10-14 05:34:38,384 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-10-14 05:34:38,384 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-10-14 05:34:38,384 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-10-14 05:34:38,385 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-10-14 05:34:38,385 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-10-14 05:34:38,387 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-10-14 05:34:38,387 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-10-14 05:34:38,388 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-10-14 05:34:38,388 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-10-14 05:34:38,389 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-10-14 05:34:38,389 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/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/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 -> 6e9f7e51d9eaaaf8cefb5384ef4fbd0bb8e8426417c92e5ec908f2483f944946
[2024-10-14 05:34:38,659 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-10-14 05:34:38,685 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-10-14 05:34:38,692 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-10-14 05:34:38,693 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-10-14 05:34:38,694 INFO  L274        PluginConnector]: CDTParser initialized
[2024-10-14 05:34:38,695 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bridge.2.prop1-func-interl.c
[2024-10-14 05:34:40,149 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-10-14 05:34:40,496 INFO  L384              CDTParser]: Found 1 translation units.
[2024-10-14 05:34:40,497 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bridge.2.prop1-func-interl.c
[2024-10-14 05:34:40,524 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92e4cd8ec/462285fd4b2d411f8f65631ac6388c86/FLAGa18cbaec2
[2024-10-14 05:34:40,729 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92e4cd8ec/462285fd4b2d411f8f65631ac6388c86
[2024-10-14 05:34:40,732 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-10-14 05:34:40,734 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-10-14 05:34:40,737 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-10-14 05:34:40,737 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-10-14 05:34:40,743 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-10-14 05:34:40,744 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:34:40" (1/1) ...
[2024-10-14 05:34:40,745 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f0f8f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:34:40, skipping insertion in model container
[2024-10-14 05:34:40,745 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:34:40" (1/1) ...
[2024-10-14 05:34:40,860 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-10-14 05:34:41,116 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.bridge.2.prop1-func-interl.c[1173,1186]
[2024-10-14 05:34:41,638 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-14 05:34:41,649 INFO  L200         MainTranslator]: Completed pre-run
[2024-10-14 05:34:41,660 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.bridge.2.prop1-func-interl.c[1173,1186]
[2024-10-14 05:34:42,003 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-14 05:34:42,017 INFO  L204         MainTranslator]: Completed translation
[2024-10-14 05:34:42,018 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:34:42 WrapperNode
[2024-10-14 05:34:42,018 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-10-14 05:34:42,019 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-10-14 05:34:42,019 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-10-14 05:34:42,019 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-10-14 05:34:42,026 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:34:42" (1/1) ...
[2024-10-14 05:34:42,165 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:34:42" (1/1) ...
[2024-10-14 05:34:44,091 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13151
[2024-10-14 05:34:44,091 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-10-14 05:34:44,092 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-10-14 05:34:44,092 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-10-14 05:34:44,092 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-10-14 05:34:44,103 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:34:42" (1/1) ...
[2024-10-14 05:34:44,104 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:34:42" (1/1) ...
[2024-10-14 05:34:44,480 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:34:42" (1/1) ...
[2024-10-14 05:34:44,916 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].
[2024-10-14 05:34:44,917 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:34:42" (1/1) ...
[2024-10-14 05:34:44,917 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:34:42" (1/1) ...
[2024-10-14 05:34:45,442 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:34:42" (1/1) ...
[2024-10-14 05:34:45,541 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:34:42" (1/1) ...
[2024-10-14 05:34:45,634 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:34:42" (1/1) ...
[2024-10-14 05:34:45,715 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:34:42" (1/1) ...
[2024-10-14 05:34:45,994 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-10-14 05:34:45,995 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-10-14 05:34:45,995 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-10-14 05:34:45,996 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-10-14 05:34:45,996 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:34:42" (1/1) ...
[2024-10-14 05:34:46,002 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-10-14 05:34:46,013 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-10-14 05:34:46,028 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-10-14 05:34:46,031 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-10-14 05:34:46,068 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-10-14 05:34:46,068 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-10-14 05:34:46,068 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-10-14 05:34:46,069 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-10-14 05:34:46,722 INFO  L238             CfgBuilder]: Building ICFG
[2024-10-14 05:34:46,724 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-10-14 05:35:05,102 INFO  L?                        ?]: Removed 7429 outVars from TransFormulas that were not future-live.
[2024-10-14 05:35:05,102 INFO  L287             CfgBuilder]: Performing block encoding
[2024-10-14 05:35:05,316 INFO  L309             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-10-14 05:35:05,316 INFO  L314             CfgBuilder]: Removed 1 assume(true) statements.
[2024-10-14 05:35:05,317 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:35:05 BoogieIcfgContainer
[2024-10-14 05:35:05,318 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-10-14 05:35:05,320 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-10-14 05:35:05,320 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-10-14 05:35:05,325 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-10-14 05:35:05,326 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:34:40" (1/3) ...
[2024-10-14 05:35:05,327 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28cf8650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:35:05, skipping insertion in model container
[2024-10-14 05:35:05,327 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:34:42" (2/3) ...
[2024-10-14 05:35:05,328 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28cf8650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:35:05, skipping insertion in model container
[2024-10-14 05:35:05,328 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:35:05" (3/3) ...
[2024-10-14 05:35:05,330 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.bridge.2.prop1-func-interl.c
[2024-10-14 05:35:05,346 INFO  L209   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-10-14 05:35:05,347 INFO  L149   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-10-14 05:35:05,504 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-10-14 05:35:05,512 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;@37e9dee8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-10-14 05:35:05,513 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-10-14 05:35:05,530 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 4695 states, 4693 states have (on average 1.5001065416577881) internal successors, (7040), 4694 states have internal predecessors, (7040), 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)
[2024-10-14 05:35:05,548 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 187
[2024-10-14 05:35:05,548 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-14 05:35:05,549 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]
[2024-10-14 05:35:05,550 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-14 05:35:05,555 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-14 05:35:05,555 INFO  L85        PathProgramCache]: Analyzing trace with hash -138745651, now seen corresponding path program 1 times
[2024-10-14 05:35:05,564 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-14 05:35:05,565 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790400781]
[2024-10-14 05:35:05,565 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-14 05:35:05,566 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-14 05:35:06,077 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-14 05:35:06,961 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-14 05:35:06,962 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-14 05:35:06,963 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790400781]
[2024-10-14 05:35:06,963 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790400781] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-14 05:35:06,964 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-14 05:35:06,964 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-14 05:35:06,966 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356914957]
[2024-10-14 05:35:06,966 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-14 05:35:06,971 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-14 05:35:06,972 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-14 05:35:07,000 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-14 05:35:07,001 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-14 05:35:07,016 INFO  L87              Difference]: Start difference. First operand  has 4695 states, 4693 states have (on average 1.5001065416577881) internal successors, (7040), 4694 states have internal predecessors, (7040), 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 46.5) internal successors, (186), 4 states have internal predecessors, (186), 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)
[2024-10-14 05:35:07,332 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-14 05:35:07,333 INFO  L93              Difference]: Finished difference Result 9254 states and 13878 transitions.
[2024-10-14 05:35:07,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-14 05:35:07,338 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 46.5) internal successors, (186), 4 states have internal predecessors, (186), 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 186
[2024-10-14 05:35:07,339 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-14 05:35:07,384 INFO  L225             Difference]: With dead ends: 9254
[2024-10-14 05:35:07,384 INFO  L226             Difference]: Without dead ends: 4696
[2024-10-14 05:35:07,399 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
[2024-10-14 05:35:07,405 INFO  L432           NwaCegarLoop]: 7035 mSDtfsCounter, 0 mSDsluCounter, 14065 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21100 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
[2024-10-14 05:35:07,407 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21100 Invalid, 13 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-10-14 05:35:07,436 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4696 states.
[2024-10-14 05:35:07,572 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4696 to 4696.
[2024-10-14 05:35:07,584 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4696 states, 4695 states have (on average 1.4994675186368478) internal successors, (7040), 4695 states have internal predecessors, (7040), 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)
[2024-10-14 05:35:07,603 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4696 states to 4696 states and 7040 transitions.
[2024-10-14 05:35:07,605 INFO  L78                 Accepts]: Start accepts. Automaton has 4696 states and 7040 transitions. Word has length 186
[2024-10-14 05:35:07,608 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-14 05:35:07,608 INFO  L471      AbstractCegarLoop]: Abstraction has 4696 states and 7040 transitions.
[2024-10-14 05:35:07,609 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 46.5) internal successors, (186), 4 states have internal predecessors, (186), 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)
[2024-10-14 05:35:07,609 INFO  L276                IsEmpty]: Start isEmpty. Operand 4696 states and 7040 transitions.
[2024-10-14 05:35:07,619 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 188
[2024-10-14 05:35:07,621 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-14 05:35:07,622 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]
[2024-10-14 05:35:07,622 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-10-14 05:35:07,623 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-14 05:35:07,623 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-14 05:35:07,624 INFO  L85        PathProgramCache]: Analyzing trace with hash -4451549, now seen corresponding path program 1 times
[2024-10-14 05:35:07,624 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-14 05:35:07,625 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167122361]
[2024-10-14 05:35:07,625 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-14 05:35:07,625 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-14 05:35:07,763 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-14 05:35:08,200 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-14 05:35:08,201 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-14 05:35:08,201 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167122361]
[2024-10-14 05:35:08,202 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167122361] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-14 05:35:08,202 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-14 05:35:08,202 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-14 05:35:08,203 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014363584]
[2024-10-14 05:35:08,203 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-14 05:35:08,205 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-14 05:35:08,206 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-14 05:35:08,207 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-14 05:35:08,208 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-14 05:35:08,208 INFO  L87              Difference]: Start difference. First operand 4696 states and 7040 transitions. Second operand  has 4 states, 4 states have (on average 46.75) internal successors, (187), 4 states have internal predecessors, (187), 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)
[2024-10-14 05:35:08,420 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-14 05:35:08,420 INFO  L93              Difference]: Finished difference Result 9257 states and 13878 transitions.
[2024-10-14 05:35:08,421 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-14 05:35:08,421 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 46.75) internal successors, (187), 4 states have internal predecessors, (187), 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 187
[2024-10-14 05:35:08,424 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-14 05:35:08,442 INFO  L225             Difference]: With dead ends: 9257
[2024-10-14 05:35:08,442 INFO  L226             Difference]: Without dead ends: 4698
[2024-10-14 05:35:08,450 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
[2024-10-14 05:35:08,451 INFO  L432           NwaCegarLoop]: 7035 mSDtfsCounter, 0 mSDsluCounter, 14062 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21097 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
[2024-10-14 05:35:08,452 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21097 Invalid, 16 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-10-14 05:35:08,460 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4698 states.
[2024-10-14 05:35:08,536 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4698 to 4698.
[2024-10-14 05:35:08,547 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4698 states, 4697 states have (on average 1.4992548435171387) internal successors, (7042), 4697 states have internal predecessors, (7042), 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)
[2024-10-14 05:35:08,564 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4698 states to 4698 states and 7042 transitions.
[2024-10-14 05:35:08,564 INFO  L78                 Accepts]: Start accepts. Automaton has 4698 states and 7042 transitions. Word has length 187
[2024-10-14 05:35:08,566 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-14 05:35:08,566 INFO  L471      AbstractCegarLoop]: Abstraction has 4698 states and 7042 transitions.
[2024-10-14 05:35:08,566 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 46.75) internal successors, (187), 4 states have internal predecessors, (187), 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)
[2024-10-14 05:35:08,567 INFO  L276                IsEmpty]: Start isEmpty. Operand 4698 states and 7042 transitions.
[2024-10-14 05:35:08,569 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 189
[2024-10-14 05:35:08,569 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-14 05:35:08,569 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]
[2024-10-14 05:35:08,570 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-10-14 05:35:08,570 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-14 05:35:08,571 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-14 05:35:08,571 INFO  L85        PathProgramCache]: Analyzing trace with hash -1235962778, now seen corresponding path program 1 times
[2024-10-14 05:35:08,571 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-14 05:35:08,571 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511538842]
[2024-10-14 05:35:08,571 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-14 05:35:08,572 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-14 05:35:08,682 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-14 05:35:08,995 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-14 05:35:08,999 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-14 05:35:08,999 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511538842]
[2024-10-14 05:35:08,999 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511538842] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-14 05:35:09,000 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-14 05:35:09,000 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-14 05:35:09,000 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869409656]
[2024-10-14 05:35:09,000 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-14 05:35:09,002 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-14 05:35:09,002 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-14 05:35:09,003 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-14 05:35:09,004 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-14 05:35:09,006 INFO  L87              Difference]: Start difference. First operand 4698 states and 7042 transitions. Second operand  has 4 states, 4 states have (on average 47.0) internal successors, (188), 4 states have internal predecessors, (188), 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)
[2024-10-14 05:35:09,202 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-14 05:35:09,203 INFO  L93              Difference]: Finished difference Result 9261 states and 13882 transitions.
[2024-10-14 05:35:09,203 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-14 05:35:09,204 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 47.0) internal successors, (188), 4 states have internal predecessors, (188), 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 188
[2024-10-14 05:35:09,205 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-14 05:35:09,222 INFO  L225             Difference]: With dead ends: 9261
[2024-10-14 05:35:09,222 INFO  L226             Difference]: Without dead ends: 4700
[2024-10-14 05:35:09,230 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
[2024-10-14 05:35:09,233 INFO  L432           NwaCegarLoop]: 7035 mSDtfsCounter, 0 mSDsluCounter, 14056 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21091 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-10-14 05:35:09,234 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21091 Invalid, 22 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-10-14 05:35:09,244 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4700 states.
[2024-10-14 05:35:09,326 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4700 to 4700.
[2024-10-14 05:35:09,337 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4700 states, 4699 states have (on average 1.4990423494360503) internal successors, (7044), 4699 states have internal predecessors, (7044), 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)
[2024-10-14 05:35:09,350 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4700 states to 4700 states and 7044 transitions.
[2024-10-14 05:35:09,351 INFO  L78                 Accepts]: Start accepts. Automaton has 4700 states and 7044 transitions. Word has length 188
[2024-10-14 05:35:09,352 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-14 05:35:09,352 INFO  L471      AbstractCegarLoop]: Abstraction has 4700 states and 7044 transitions.
[2024-10-14 05:35:09,352 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 47.0) internal successors, (188), 4 states have internal predecessors, (188), 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)
[2024-10-14 05:35:09,352 INFO  L276                IsEmpty]: Start isEmpty. Operand 4700 states and 7044 transitions.
[2024-10-14 05:35:09,354 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 190
[2024-10-14 05:35:09,354 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-14 05:35:09,355 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]
[2024-10-14 05:35:09,355 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-10-14 05:35:09,355 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-14 05:35:09,357 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-14 05:35:09,358 INFO  L85        PathProgramCache]: Analyzing trace with hash 1248747530, now seen corresponding path program 1 times
[2024-10-14 05:35:09,358 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-14 05:35:09,358 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569594360]
[2024-10-14 05:35:09,358 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-14 05:35:09,359 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-14 05:35:09,475 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-14 05:35:10,370 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-14 05:35:10,371 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-14 05:35:10,371 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569594360]
[2024-10-14 05:35:10,371 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569594360] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-14 05:35:10,371 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-14 05:35:10,371 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-10-14 05:35:10,371 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079912577]
[2024-10-14 05:35:10,371 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-14 05:35:10,372 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-10-14 05:35:10,372 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-14 05:35:10,373 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-10-14 05:35:10,373 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-10-14 05:35:10,375 INFO  L87              Difference]: Start difference. First operand 4700 states and 7044 transitions. Second operand  has 7 states, 7 states have (on average 27.0) internal successors, (189), 6 states have internal predecessors, (189), 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)
[2024-10-14 05:35:10,908 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-14 05:35:10,909 INFO  L93              Difference]: Finished difference Result 9524 states and 14271 transitions.
[2024-10-14 05:35:10,909 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-10-14 05:35:10,909 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 27.0) internal successors, (189), 6 states have internal predecessors, (189), 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 189
[2024-10-14 05:35:10,910 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-14 05:35:10,925 INFO  L225             Difference]: With dead ends: 9524
[2024-10-14 05:35:10,925 INFO  L226             Difference]: Without dead ends: 4961
[2024-10-14 05:35:10,932 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72
[2024-10-14 05:35:10,933 INFO  L432           NwaCegarLoop]: 7031 mSDtfsCounter, 415 mSDsluCounter, 34932 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 41963 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-10-14 05:35:10,934 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 41963 Invalid, 61 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-10-14 05:35:10,943 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4961 states.
[2024-10-14 05:35:11,015 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4961 to 4920.
[2024-10-14 05:35:11,023 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4920 states, 4919 states have (on average 1.4990851799146168) internal successors, (7374), 4919 states have internal predecessors, (7374), 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)
[2024-10-14 05:35:11,035 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4920 states to 4920 states and 7374 transitions.
[2024-10-14 05:35:11,036 INFO  L78                 Accepts]: Start accepts. Automaton has 4920 states and 7374 transitions. Word has length 189
[2024-10-14 05:35:11,036 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-14 05:35:11,037 INFO  L471      AbstractCegarLoop]: Abstraction has 4920 states and 7374 transitions.
[2024-10-14 05:35:11,037 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 27.0) internal successors, (189), 6 states have internal predecessors, (189), 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)
[2024-10-14 05:35:11,037 INFO  L276                IsEmpty]: Start isEmpty. Operand 4920 states and 7374 transitions.
[2024-10-14 05:35:11,131 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2469
[2024-10-14 05:35:11,131 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-14 05:35:11,133 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-10-14 05:35:11,133 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-10-14 05:35:11,134 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-14 05:35:11,134 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-14 05:35:11,135 INFO  L85        PathProgramCache]: Analyzing trace with hash 1450275906, now seen corresponding path program 1 times
[2024-10-14 05:35:11,135 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-14 05:35:11,136 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525894245]
[2024-10-14 05:35:11,136 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-14 05:35:11,136 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-14 05:35:25,332 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-14 05:35:32,412 INFO  L134       CoverageAnalysis]: Checked inductivity of 116 backedges. 6 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-14 05:35:32,413 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-14 05:35:32,413 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525894245]
[2024-10-14 05:35:32,414 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525894245] provided 0 perfect and 1 imperfect interpolant sequences
[2024-10-14 05:35:32,414 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [622089509]
[2024-10-14 05:35:32,415 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-14 05:35:32,416 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-14 05:35:32,416 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-10-14 05:35:32,419 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-10-14 05:35:32,423 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-10-14 05:35:39,704 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-14 05:35:39,801 INFO  L255         TraceCheckSpWp]: Trace formula consists of 10729 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-10-14 05:35:39,881 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-10-14 05:35:43,715 INFO  L134       CoverageAnalysis]: Checked inductivity of 116 backedges. 6 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-14 05:35:43,715 INFO  L311         TraceCheckSpWp]: Computing backward predicates...