./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.exit.4.prop1-func-interl.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version 4a390ef5
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.exit.4.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 b091b8f56b17939981bc2aa1b66c208524b168c240cb713cf51fb7577d38d268
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-4a390ef-m
[2024-10-24 04:02:35,038 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-10-24 04:02:35,107 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-10-24 04:02:35,111 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-10-24 04:02:35,112 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-10-24 04:02:35,136 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-10-24 04:02:35,137 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-10-24 04:02:35,137 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-10-24 04:02:35,138 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-10-24 04:02:35,139 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-10-24 04:02:35,139 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-10-24 04:02:35,139 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-10-24 04:02:35,140 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-10-24 04:02:35,141 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-10-24 04:02:35,141 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-10-24 04:02:35,142 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-10-24 04:02:35,142 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-10-24 04:02:35,142 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-10-24 04:02:35,142 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-10-24 04:02:35,143 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-10-24 04:02:35,143 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-10-24 04:02:35,143 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-10-24 04:02:35,144 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-10-24 04:02:35,144 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-10-24 04:02:35,144 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-10-24 04:02:35,144 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-10-24 04:02:35,144 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-10-24 04:02:35,145 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-10-24 04:02:35,145 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-10-24 04:02:35,145 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-10-24 04:02:35,145 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-10-24 04:02:35,145 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-10-24 04:02:35,146 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-10-24 04:02:35,146 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-10-24 04:02:35,146 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-10-24 04:02:35,146 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-10-24 04:02:35,146 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-10-24 04:02:35,146 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-10-24 04:02:35,146 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-10-24 04:02:35,147 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 -> b091b8f56b17939981bc2aa1b66c208524b168c240cb713cf51fb7577d38d268
[2024-10-24 04:02:35,345 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-10-24 04:02:35,363 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-10-24 04:02:35,365 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-10-24 04:02:35,366 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-10-24 04:02:35,366 INFO  L274        PluginConnector]: CDTParser initialized
[2024-10-24 04:02:35,367 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.exit.4.prop1-func-interl.c
[2024-10-24 04:02:36,619 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-10-24 04:02:36,893 INFO  L384              CDTParser]: Found 1 translation units.
[2024-10-24 04:02:36,894 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.exit.4.prop1-func-interl.c
[2024-10-24 04:02:36,912 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75cb4a77b/0a35996e9dd3495f9cd0827fa38fb1d2/FLAGcc6be349d
[2024-10-24 04:02:36,926 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75cb4a77b/0a35996e9dd3495f9cd0827fa38fb1d2
[2024-10-24 04:02:36,928 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-10-24 04:02:36,929 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-10-24 04:02:36,930 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-10-24 04:02:36,930 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-10-24 04:02:36,938 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-10-24 04:02:36,939 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:02:36" (1/1) ...
[2024-10-24 04:02:36,941 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18af9c54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:36, skipping insertion in model container
[2024-10-24 04:02:36,941 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:02:36" (1/1) ...
[2024-10-24 04:02:37,048 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-10-24 04:02:37,227 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.exit.4.prop1-func-interl.c[1171,1184]
[2024-10-24 04:02:37,604 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-24 04:02:37,613 INFO  L200         MainTranslator]: Completed pre-run
[2024-10-24 04:02:37,623 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.exit.4.prop1-func-interl.c[1171,1184]
[2024-10-24 04:02:37,915 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-24 04:02:37,928 INFO  L204         MainTranslator]: Completed translation
[2024-10-24 04:02:37,929 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:37 WrapperNode
[2024-10-24 04:02:37,929 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-10-24 04:02:37,930 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-10-24 04:02:37,930 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-10-24 04:02:37,930 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-10-24 04:02:37,934 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:37" (1/1) ...
[2024-10-24 04:02:38,017 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:37" (1/1) ...
[2024-10-24 04:02:39,350 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13896
[2024-10-24 04:02:39,351 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-10-24 04:02:39,352 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-10-24 04:02:39,352 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-10-24 04:02:39,352 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-10-24 04:02:39,368 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:37" (1/1) ...
[2024-10-24 04:02:39,368 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:37" (1/1) ...
[2024-10-24 04:02:39,834 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:37" (1/1) ...
[2024-10-24 04:02:40,073 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].
[2024-10-24 04:02:40,074 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:37" (1/1) ...
[2024-10-24 04:02:40,074 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:37" (1/1) ...
[2024-10-24 04:02:40,490 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:37" (1/1) ...
[2024-10-24 04:02:40,544 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:37" (1/1) ...
[2024-10-24 04:02:40,619 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:37" (1/1) ...
[2024-10-24 04:02:40,669 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:37" (1/1) ...
[2024-10-24 04:02:40,839 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-10-24 04:02:40,840 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-10-24 04:02:40,840 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-10-24 04:02:40,840 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-10-24 04:02:40,841 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:37" (1/1) ...
[2024-10-24 04:02:40,845 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-10-24 04:02:40,852 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-10-24 04:02:40,870 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)
[2024-10-24 04:02:40,873 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
[2024-10-24 04:02:40,908 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-10-24 04:02:40,908 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-10-24 04:02:40,908 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-10-24 04:02:40,908 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-10-24 04:02:41,621 INFO  L238             CfgBuilder]: Building ICFG
[2024-10-24 04:02:41,623 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-10-24 04:03:06,478 INFO  L?                        ?]: Removed 8031 outVars from TransFormulas that were not future-live.
[2024-10-24 04:03:06,479 INFO  L287             CfgBuilder]: Performing block encoding
[2024-10-24 04:03:06,645 INFO  L309             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-10-24 04:03:06,646 INFO  L314             CfgBuilder]: Removed 1 assume(true) statements.
[2024-10-24 04:03:06,646 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:03:06 BoogieIcfgContainer
[2024-10-24 04:03:06,646 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-10-24 04:03:06,649 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-10-24 04:03:06,650 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-10-24 04:03:06,652 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-10-24 04:03:06,653 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 04:02:36" (1/3) ...
[2024-10-24 04:03:06,653 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dba0885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:03:06, skipping insertion in model container
[2024-10-24 04:03:06,653 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:37" (2/3) ...
[2024-10-24 04:03:06,653 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dba0885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:03:06, skipping insertion in model container
[2024-10-24 04:03:06,654 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:03:06" (3/3) ...
[2024-10-24 04:03:06,654 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.exit.4.prop1-func-interl.c
[2024-10-24 04:03:06,667 INFO  L209   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-10-24 04:03:06,667 INFO  L149   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-10-24 04:03:06,777 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-10-24 04:03:06,783 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;@5841e886, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-10-24 04:03:06,783 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-10-24 04:03:06,795 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 4739 states, 4737 states have (on average 1.5001055520371542) internal successors, (7106), 4738 states have internal predecessors, (7106), 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)
[2024-10-24 04:03:06,815 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 291
[2024-10-24 04:03:06,816 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 04:03:06,817 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 04:03:06,817 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 04:03:06,821 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 04:03:06,822 INFO  L85        PathProgramCache]: Analyzing trace with hash -70433617, now seen corresponding path program 1 times
[2024-10-24 04:03:06,828 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 04:03:06,828 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399389250]
[2024-10-24 04:03:06,828 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 04:03:06,829 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 04:03:07,116 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 04:03:07,841 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 04:03:07,841 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 04:03:07,841 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399389250]
[2024-10-24 04:03:07,842 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399389250] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 04:03:07,842 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 04:03:07,842 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-24 04:03:07,843 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874709601]
[2024-10-24 04:03:07,844 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 04:03:07,851 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-24 04:03:07,851 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 04:03:07,868 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-24 04:03:07,868 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-24 04:03:07,877 INFO  L87              Difference]: Start difference. First operand  has 4739 states, 4737 states have (on average 1.5001055520371542) internal successors, (7106), 4738 states have internal predecessors, (7106), 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 72.5) internal successors, (290), 4 states have internal predecessors, (290), 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)
[2024-10-24 04:03:08,080 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 04:03:08,080 INFO  L93              Difference]: Finished difference Result 9274 states and 13908 transitions.
[2024-10-24 04:03:08,082 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-24 04:03:08,083 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 72.5) internal successors, (290), 4 states have internal predecessors, (290), 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 290
[2024-10-24 04:03:08,085 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 04:03:08,115 INFO  L225             Difference]: With dead ends: 9274
[2024-10-24 04:03:08,116 INFO  L226             Difference]: Without dead ends: 4740
[2024-10-24 04:03:08,127 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
[2024-10-24 04:03:08,129 INFO  L432           NwaCegarLoop]: 7101 mSDtfsCounter, 0 mSDsluCounter, 14197 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21298 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
[2024-10-24 04:03:08,131 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21298 Invalid, 13 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-10-24 04:03:08,152 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4740 states.
[2024-10-24 04:03:08,245 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4740 to 4740.
[2024-10-24 04:03:08,254 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4740 states, 4739 states have (on average 1.4994724625448408) internal successors, (7106), 4739 states have internal predecessors, (7106), 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)
[2024-10-24 04:03:08,264 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4740 states to 4740 states and 7106 transitions.
[2024-10-24 04:03:08,265 INFO  L78                 Accepts]: Start accepts. Automaton has 4740 states and 7106 transitions. Word has length 290
[2024-10-24 04:03:08,268 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 04:03:08,268 INFO  L471      AbstractCegarLoop]: Abstraction has 4740 states and 7106 transitions.
[2024-10-24 04:03:08,269 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 72.5) internal successors, (290), 4 states have internal predecessors, (290), 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)
[2024-10-24 04:03:08,269 INFO  L276                IsEmpty]: Start isEmpty. Operand 4740 states and 7106 transitions.
[2024-10-24 04:03:08,272 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 292
[2024-10-24 04:03:08,276 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 04:03:08,276 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 04:03:08,277 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-10-24 04:03:08,277 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 04:03:08,277 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 04:03:08,278 INFO  L85        PathProgramCache]: Analyzing trace with hash 2113222181, now seen corresponding path program 1 times
[2024-10-24 04:03:08,279 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 04:03:08,279 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830017884]
[2024-10-24 04:03:08,279 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 04:03:08,279 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 04:03:08,385 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 04:03:08,681 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 04:03:08,683 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 04:03:08,683 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830017884]
[2024-10-24 04:03:08,683 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830017884] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 04:03:08,683 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 04:03:08,683 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-24 04:03:08,683 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671028739]
[2024-10-24 04:03:08,684 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 04:03:08,685 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-24 04:03:08,685 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 04:03:08,686 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-24 04:03:08,687 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-24 04:03:08,687 INFO  L87              Difference]: Start difference. First operand 4740 states and 7106 transitions. Second operand  has 4 states, 4 states have (on average 72.75) internal successors, (291), 4 states have internal predecessors, (291), 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)
[2024-10-24 04:03:08,814 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 04:03:08,815 INFO  L93              Difference]: Finished difference Result 9277 states and 13908 transitions.
[2024-10-24 04:03:08,815 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-24 04:03:08,815 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 72.75) internal successors, (291), 4 states have internal predecessors, (291), 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 291
[2024-10-24 04:03:08,816 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 04:03:08,828 INFO  L225             Difference]: With dead ends: 9277
[2024-10-24 04:03:08,828 INFO  L226             Difference]: Without dead ends: 4742
[2024-10-24 04:03:08,834 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
[2024-10-24 04:03:08,836 INFO  L432           NwaCegarLoop]: 7101 mSDtfsCounter, 0 mSDsluCounter, 14194 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21295 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-10-24 04:03:08,836 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21295 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-10-24 04:03:08,842 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4742 states.
[2024-10-24 04:03:08,890 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4742 to 4742.
[2024-10-24 04:03:08,897 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4742 states, 4741 states have (on average 1.4992617591225479) internal successors, (7108), 4741 states have internal predecessors, (7108), 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)
[2024-10-24 04:03:08,905 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4742 states to 4742 states and 7108 transitions.
[2024-10-24 04:03:08,905 INFO  L78                 Accepts]: Start accepts. Automaton has 4742 states and 7108 transitions. Word has length 291
[2024-10-24 04:03:08,906 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 04:03:08,906 INFO  L471      AbstractCegarLoop]: Abstraction has 4742 states and 7108 transitions.
[2024-10-24 04:03:08,906 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 72.75) internal successors, (291), 4 states have internal predecessors, (291), 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)
[2024-10-24 04:03:08,906 INFO  L276                IsEmpty]: Start isEmpty. Operand 4742 states and 7108 transitions.
[2024-10-24 04:03:08,909 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 293
[2024-10-24 04:03:08,909 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 04:03:08,910 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 04:03:08,910 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-10-24 04:03:08,910 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 04:03:08,911 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 04:03:08,911 INFO  L85        PathProgramCache]: Analyzing trace with hash -12585912, now seen corresponding path program 1 times
[2024-10-24 04:03:08,911 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 04:03:08,911 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673385612]
[2024-10-24 04:03:08,911 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 04:03:08,912 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 04:03:09,022 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 04:03:09,286 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 04:03:09,287 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 04:03:09,287 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673385612]
[2024-10-24 04:03:09,287 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673385612] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 04:03:09,288 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 04:03:09,288 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-24 04:03:09,288 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068307755]
[2024-10-24 04:03:09,288 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 04:03:09,289 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-24 04:03:09,289 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 04:03:09,289 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-24 04:03:09,290 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-24 04:03:09,291 INFO  L87              Difference]: Start difference. First operand 4742 states and 7108 transitions. Second operand  has 4 states, 4 states have (on average 73.0) internal successors, (292), 4 states have internal predecessors, (292), 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)
[2024-10-24 04:03:09,421 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 04:03:09,422 INFO  L93              Difference]: Finished difference Result 9281 states and 13912 transitions.
[2024-10-24 04:03:09,422 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-24 04:03:09,423 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 73.0) internal successors, (292), 4 states have internal predecessors, (292), 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 292
[2024-10-24 04:03:09,423 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 04:03:09,435 INFO  L225             Difference]: With dead ends: 9281
[2024-10-24 04:03:09,435 INFO  L226             Difference]: Without dead ends: 4744
[2024-10-24 04:03:09,440 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
[2024-10-24 04:03:09,441 INFO  L432           NwaCegarLoop]: 7101 mSDtfsCounter, 0 mSDsluCounter, 14188 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21289 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-10-24 04:03:09,443 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21289 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-10-24 04:03:09,449 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4744 states.
[2024-10-24 04:03:09,497 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4744 to 4744.
[2024-10-24 04:03:09,508 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4744 states, 4743 states have (on average 1.4990512333965844) internal successors, (7110), 4743 states have internal predecessors, (7110), 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)
[2024-10-24 04:03:09,518 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4744 states to 4744 states and 7110 transitions.
[2024-10-24 04:03:09,519 INFO  L78                 Accepts]: Start accepts. Automaton has 4744 states and 7110 transitions. Word has length 292
[2024-10-24 04:03:09,519 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 04:03:09,520 INFO  L471      AbstractCegarLoop]: Abstraction has 4744 states and 7110 transitions.
[2024-10-24 04:03:09,520 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 73.0) internal successors, (292), 4 states have internal predecessors, (292), 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)
[2024-10-24 04:03:09,520 INFO  L276                IsEmpty]: Start isEmpty. Operand 4744 states and 7110 transitions.
[2024-10-24 04:03:09,522 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 294
[2024-10-24 04:03:09,522 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 04:03:09,523 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 04:03:09,523 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-10-24 04:03:09,523 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 04:03:09,524 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 04:03:09,524 INFO  L85        PathProgramCache]: Analyzing trace with hash 518725388, now seen corresponding path program 1 times
[2024-10-24 04:03:09,524 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 04:03:09,525 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321443480]
[2024-10-24 04:03:09,525 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 04:03:09,525 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 04:03:09,626 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 04:03:10,443 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 04:03:10,443 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 04:03:10,444 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321443480]
[2024-10-24 04:03:10,444 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321443480] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 04:03:10,444 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 04:03:10,444 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-10-24 04:03:10,444 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761852506]
[2024-10-24 04:03:10,444 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 04:03:10,445 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-10-24 04:03:10,445 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 04:03:10,446 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-10-24 04:03:10,446 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-10-24 04:03:10,446 INFO  L87              Difference]: Start difference. First operand 4744 states and 7110 transitions. Second operand  has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 6 states have internal predecessors, (293), 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)
[2024-10-24 04:03:10,696 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 04:03:10,697 INFO  L93              Difference]: Finished difference Result 9676 states and 14499 transitions.
[2024-10-24 04:03:10,697 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-10-24 04:03:10,697 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 6 states have internal predecessors, (293), 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 293
[2024-10-24 04:03:10,699 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 04:03:10,711 INFO  L225             Difference]: With dead ends: 9676
[2024-10-24 04:03:10,711 INFO  L226             Difference]: Without dead ends: 5137
[2024-10-24 04:03:10,716 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
[2024-10-24 04:03:10,717 INFO  L432           NwaCegarLoop]: 7097 mSDtfsCounter, 611 mSDsluCounter, 35160 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 611 SdHoareTripleChecker+Valid, 42257 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-10-24 04:03:10,717 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [611 Valid, 42257 Invalid, 61 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-10-24 04:03:10,722 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5137 states.
[2024-10-24 04:03:10,778 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5137 to 5104.
[2024-10-24 04:03:10,784 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5104 states, 5103 states have (on average 1.4991181657848325) internal successors, (7650), 5103 states have internal predecessors, (7650), 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)
[2024-10-24 04:03:10,794 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5104 states to 5104 states and 7650 transitions.
[2024-10-24 04:03:10,794 INFO  L78                 Accepts]: Start accepts. Automaton has 5104 states and 7650 transitions. Word has length 293
[2024-10-24 04:03:10,795 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 04:03:10,795 INFO  L471      AbstractCegarLoop]: Abstraction has 5104 states and 7650 transitions.
[2024-10-24 04:03:10,796 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 41.857142857142854) internal successors, (293), 6 states have internal predecessors, (293), 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)
[2024-10-24 04:03:10,796 INFO  L276                IsEmpty]: Start isEmpty. Operand 5104 states and 7650 transitions.
[2024-10-24 04:03:10,957 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2561
[2024-10-24 04:03:10,957 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 04:03:10,958 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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[2024-10-24 04:03:10,958 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-10-24 04:03:10,959 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 04:03:10,960 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 04:03:10,961 INFO  L85        PathProgramCache]: Analyzing trace with hash -290793805, now seen corresponding path program 1 times
[2024-10-24 04:03:10,961 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 04:03:10,961 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237537840]
[2024-10-24 04:03:10,962 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 04:03:10,962 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 04:03:40,590 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 04:03:46,331 INFO  L134       CoverageAnalysis]: Checked inductivity of 186 backedges. 6 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 04:03:46,331 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 04:03:46,331 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237537840]
[2024-10-24 04:03:46,332 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237537840] provided 0 perfect and 1 imperfect interpolant sequences
[2024-10-24 04:03:46,332 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1015576339]
[2024-10-24 04:03:46,333 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 04:03:46,333 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-24 04:03:46,333 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-10-24 04:03:46,335 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)
[2024-10-24 04:03:46,336 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-10-24 04:03:57,619 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 04:03:57,686 INFO  L255         TraceCheckSpWp]: Trace formula consists of 11959 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-10-24 04:03:57,805 INFO  L278         TraceCheckSpWp]: Computing forward predicates...