/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-37.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 13:02:04,381 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 13:02:04,420 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-03 13:02:04,423 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 13:02:04,424 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 13:02:04,438 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 13:02:04,438 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 13:02:04,438 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 13:02:04,439 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 13:02:04,439 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 13:02:04,439 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 13:02:04,440 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 13:02:04,440 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 13:02:04,440 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 13:02:04,440 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 13:02:04,441 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 13:02:04,441 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 13:02:04,441 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 13:02:04,441 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 13:02:04,442 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 13:02:04,442 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 13:02:04,442 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 13:02:04,443 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 13:02:04,443 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 13:02:04,443 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 13:02:04,443 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 13:02:04,444 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 13:02:04,444 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 13:02:04,444 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 13:02:04,444 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 13:02:04,445 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 13:02:04,445 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 13:02:04,445 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 13:02:04,445 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 13:02:04,445 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 13:02:04,446 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 13:02:04,446 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 13:02:04,446 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 13:02:04,446 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 13:02:04,446 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 13:02:04,447 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 13:02:04,447 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 13:02:04,447 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 13:02:04,447 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 13:02:04,447 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla
[2024-11-03 13:02:04,617 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 13:02:04,636 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 13:02:04,638 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 13:02:04,639 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 13:02:04,639 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 13:02:04,640 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-37.i
[2024-11-03 13:02:05,968 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 13:02:06,101 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 13:02:06,102 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-37.i
[2024-11-03 13:02:06,107 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7523dee71/30b6305cedd140acb3ab061b2cb82fa3/FLAG0e007a648
[2024-11-03 13:02:06,523 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7523dee71/30b6305cedd140acb3ab061b2cb82fa3
[2024-11-03 13:02:06,524 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 13:02:06,525 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 13:02:06,526 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 13:02:06,526 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 13:02:06,530 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 13:02:06,530 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:02:06" (1/1) ...
[2024-11-03 13:02:06,531 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77983f6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:02:06, skipping insertion in model container
[2024-11-03 13:02:06,531 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:02:06" (1/1) ...
[2024-11-03 13:02:06,547 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 13:02:06,706 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-37.i[915,928]
[2024-11-03 13:02:06,741 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 13:02:06,751 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 13:02:06,760 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-37.i[915,928]
[2024-11-03 13:02:06,772 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 13:02:06,791 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 13:02:06,792 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:02:06 WrapperNode
[2024-11-03 13:02:06,792 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 13:02:06,793 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 13:02:06,793 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 13:02:06,793 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 13:02:06,798 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:02:06" (1/1) ...
[2024-11-03 13:02:06,810 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:02:06" (1/1) ...
[2024-11-03 13:02:06,825 INFO  L138                Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 86
[2024-11-03 13:02:06,826 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 13:02:06,826 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 13:02:06,826 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 13:02:06,827 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 13:02:06,835 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:02:06" (1/1) ...
[2024-11-03 13:02:06,835 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:02:06" (1/1) ...
[2024-11-03 13:02:06,838 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:02:06" (1/1) ...
[2024-11-03 13:02:06,885 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].
[2024-11-03 13:02:06,885 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:02:06" (1/1) ...
[2024-11-03 13:02:06,885 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:02:06" (1/1) ...
[2024-11-03 13:02:06,897 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:02:06" (1/1) ...
[2024-11-03 13:02:06,901 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:02:06" (1/1) ...
[2024-11-03 13:02:06,903 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:02:06" (1/1) ...
[2024-11-03 13:02:06,904 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:02:06" (1/1) ...
[2024-11-03 13:02:06,906 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 13:02:06,907 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 13:02:06,907 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 13:02:06,908 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 13:02:06,908 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:02:06" (1/1) ...
[2024-11-03 13:02:06,919 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 13:02:06,928 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 13:02:06,947 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)
[2024-11-03 13:02:06,957 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
[2024-11-03 13:02:06,979 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 13:02:06,979 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 13:02:06,979 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 13:02:06,980 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 13:02:06,980 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 13:02:06,982 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 13:02:07,067 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 13:02:07,070 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 13:02:07,323 INFO  L?                        ?]: Removed 10 outVars from TransFormulas that were not future-live.
[2024-11-03 13:02:07,324 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 13:02:07,333 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 13:02:07,334 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 13:02:07,334 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:02:07 BoogieIcfgContainer
[2024-11-03 13:02:07,334 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 13:02:07,336 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 13:02:07,336 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 13:02:07,343 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 13:02:07,343 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:02:06" (1/3) ...
[2024-11-03 13:02:07,344 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13252dd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:02:07, skipping insertion in model container
[2024-11-03 13:02:07,344 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:02:06" (2/3) ...
[2024-11-03 13:02:07,344 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13252dd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:02:07, skipping insertion in model container
[2024-11-03 13:02:07,344 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:02:07" (3/3) ...
[2024-11-03 13:02:07,345 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-37.i
[2024-11-03 13:02:07,358 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 13:02:07,358 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 13:02:07,399 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 13:02:07,404 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;@3cb785bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 13:02:07,404 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 13:02:07,407 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 41 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9)
[2024-11-03 13:02:07,414 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2024-11-03 13:02:07,414 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 13:02:07,414 INFO  L215           NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 13:02:07,415 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 13:02:07,418 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 13:02:07,419 INFO  L85        PathProgramCache]: Analyzing trace with hash -1910201472, now seen corresponding path program 1 times
[2024-11-03 13:02:07,425 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 13:02:07,425 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1209455569]
[2024-11-03 13:02:07,425 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 13:02:07,427 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 13:02:07,427 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:02:07,433 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 13:02:07,435 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process
[2024-11-03 13:02:07,508 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 13:02:07,510 INFO  L255         TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 13:02:07,515 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 13:02:07,539 INFO  L134       CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked.
[2024-11-03 13:02:07,540 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 13:02:07,583 INFO  L134       CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked.
[2024-11-03 13:02:07,584 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 13:02:07,584 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1209455569]
[2024-11-03 13:02:07,585 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1209455569] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 13:02:07,585 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 13:02:07,585 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 13:02:07,586 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515024466]
[2024-11-03 13:02:07,587 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 13:02:07,591 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 13:02:07,591 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 13:02:07,613 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 13:02:07,614 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 13:02:07,618 INFO  L87              Difference]: Start difference. First operand  has 41 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand  has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9)
[2024-11-03 13:02:07,633 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 13:02:07,633 INFO  L93              Difference]: Finished difference Result 75 states and 117 transitions.
[2024-11-03 13:02:07,634 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 13:02:07,635 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) Word has length 65
[2024-11-03 13:02:07,636 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 13:02:07,640 INFO  L225             Difference]: With dead ends: 75
[2024-11-03 13:02:07,641 INFO  L226             Difference]: Without dead ends: 37
[2024-11-03 13:02:07,643 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 13:02:07,646 INFO  L432           NwaCegarLoop]: 50 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-03 13:02:07,646 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 13:02:07,659 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 37 states.
[2024-11-03 13:02:07,671 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37.
[2024-11-03 13:02:07,672 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 37 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9)
[2024-11-03 13:02:07,673 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions.
[2024-11-03 13:02:07,675 INFO  L78                 Accepts]: Start accepts. Automaton has 37 states and 50 transitions. Word has length 65
[2024-11-03 13:02:07,675 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 13:02:07,675 INFO  L471      AbstractCegarLoop]: Abstraction has 37 states and 50 transitions.
[2024-11-03 13:02:07,675 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9)
[2024-11-03 13:02:07,676 INFO  L276                IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions.
[2024-11-03 13:02:07,677 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2024-11-03 13:02:07,677 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 13:02:07,678 INFO  L215           NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 13:02:07,680 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0
[2024-11-03 13:02:07,879 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:02:07,879 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 13:02:07,880 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 13:02:07,880 INFO  L85        PathProgramCache]: Analyzing trace with hash 1776469694, now seen corresponding path program 1 times
[2024-11-03 13:02:07,880 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 13:02:07,881 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [575007136]
[2024-11-03 13:02:07,881 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 13:02:07,881 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 13:02:07,881 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:02:07,883 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 13:02:07,884 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process
[2024-11-03 13:02:07,951 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 13:02:07,953 INFO  L255         TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-03 13:02:07,956 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 13:02:08,123 INFO  L134       CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked.
[2024-11-03 13:02:08,123 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 13:02:08,197 INFO  L134       CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked.
[2024-11-03 13:02:08,197 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 13:02:08,198 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [575007136]
[2024-11-03 13:02:08,198 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [575007136] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 13:02:08,198 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 13:02:08,198 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 3] imperfect sequences [] total 5
[2024-11-03 13:02:08,199 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079932736]
[2024-11-03 13:02:08,199 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 13:02:08,200 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-03 13:02:08,200 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 13:02:08,201 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-03 13:02:08,201 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-03 13:02:08,201 INFO  L87              Difference]: Start difference. First operand 37 states and 50 transitions. Second operand  has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9)
[2024-11-03 13:02:08,439 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 13:02:08,440 INFO  L93              Difference]: Finished difference Result 105 states and 144 transitions.
[2024-11-03 13:02:08,441 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-03 13:02:08,441 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 65
[2024-11-03 13:02:08,441 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 13:02:08,443 INFO  L225             Difference]: With dead ends: 105
[2024-11-03 13:02:08,443 INFO  L226             Difference]: Without dead ends: 71
[2024-11-03 13:02:08,444 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-03 13:02:08,445 INFO  L432           NwaCegarLoop]: 75 mSDtfsCounter, 41 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-03 13:02:08,445 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 165 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-03 13:02:08,445 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 71 states.
[2024-11-03 13:02:08,450 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 37.
[2024-11-03 13:02:08,450 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 37 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9)
[2024-11-03 13:02:08,452 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 49 transitions.
[2024-11-03 13:02:08,452 INFO  L78                 Accepts]: Start accepts. Automaton has 37 states and 49 transitions. Word has length 65
[2024-11-03 13:02:08,455 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 13:02:08,455 INFO  L471      AbstractCegarLoop]: Abstraction has 37 states and 49 transitions.
[2024-11-03 13:02:08,456 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9)
[2024-11-03 13:02:08,456 INFO  L276                IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions.
[2024-11-03 13:02:08,457 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2024-11-03 13:02:08,457 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 13:02:08,457 INFO  L215           NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 13:02:08,464 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0
[2024-11-03 13:02:08,657 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:02:08,658 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 13:02:08,658 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 13:02:08,658 INFO  L85        PathProgramCache]: Analyzing trace with hash 1833727996, now seen corresponding path program 1 times
[2024-11-03 13:02:08,659 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 13:02:08,659 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1700924011]
[2024-11-03 13:02:08,659 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 13:02:08,659 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 13:02:08,659 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:02:08,661 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 13:02:08,662 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process
[2024-11-03 13:02:08,704 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 13:02:08,705 INFO  L255         TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 19 conjuncts are in the unsatisfiable core
[2024-11-03 13:02:08,709 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 13:02:31,157 INFO  L134       CoverageAnalysis]: Checked inductivity of 144 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked.
[2024-11-03 13:02:31,158 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 13:03:30,982 INFO  L134       CoverageAnalysis]: Checked inductivity of 144 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked.
[2024-11-03 13:03:30,982 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 13:03:30,982 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1700924011]
[2024-11-03 13:03:30,983 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1700924011] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 13:03:30,983 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 13:03:30,983 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [13, 12] imperfect sequences [] total 24
[2024-11-03 13:03:30,983 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650938325]
[2024-11-03 13:03:30,983 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 13:03:30,985 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 24 states
[2024-11-03 13:03:30,985 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 13:03:30,987 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants.
[2024-11-03 13:03:30,987 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=424, Unknown=0, NotChecked=0, Total=552
[2024-11-03 13:03:30,987 INFO  L87              Difference]: Start difference. First operand 37 states and 49 transitions. Second operand  has 24 states, 24 states have (on average 2.125) internal successors, (51), 24 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (18), 4 states have call predecessors, (18), 2 states have call successors, (18)
[2024-11-03 13:03:33,159 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 13:03:33,159 INFO  L93              Difference]: Finished difference Result 162 states and 209 transitions.
[2024-11-03 13:03:33,160 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2024-11-03 13:03:33,160 INFO  L78                 Accepts]: Start accepts. Automaton has  has 24 states, 24 states have (on average 2.125) internal successors, (51), 24 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (18), 4 states have call predecessors, (18), 2 states have call successors, (18) Word has length 65
[2024-11-03 13:03:33,160 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 13:03:33,162 INFO  L225             Difference]: With dead ends: 162
[2024-11-03 13:03:33,162 INFO  L226             Difference]: Without dead ends: 128
[2024-11-03 13:03:33,163 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=360, Invalid=1280, Unknown=0, NotChecked=0, Total=1640
[2024-11-03 13:03:33,164 INFO  L432           NwaCegarLoop]: 31 mSDtfsCounter, 207 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-11-03 13:03:33,164 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 331 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-11-03 13:03:33,165 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 128 states.
[2024-11-03 13:03:33,177 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 101.
[2024-11-03 13:03:33,177 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 101 states, 70 states have (on average 1.1714285714285715) internal successors, (82), 71 states have internal predecessors, (82), 26 states have call successors, (26), 4 states have call predecessors, (26), 4 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26)
[2024-11-03 13:03:33,178 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 134 transitions.
[2024-11-03 13:03:33,178 INFO  L78                 Accepts]: Start accepts. Automaton has 101 states and 134 transitions. Word has length 65
[2024-11-03 13:03:33,179 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 13:03:33,179 INFO  L471      AbstractCegarLoop]: Abstraction has 101 states and 134 transitions.
[2024-11-03 13:03:33,179 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 24 states, 24 states have (on average 2.125) internal successors, (51), 24 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (18), 4 states have call predecessors, (18), 2 states have call successors, (18)
[2024-11-03 13:03:33,179 INFO  L276                IsEmpty]: Start isEmpty. Operand 101 states and 134 transitions.
[2024-11-03 13:03:33,180 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2024-11-03 13:03:33,180 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 13:03:33,180 INFO  L215           NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 13:03:33,185 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Ended with exit code 0
[2024-11-03 13:03:33,380 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:03:33,381 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 13:03:33,384 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 13:03:33,385 INFO  L85        PathProgramCache]: Analyzing trace with hash 623397682, now seen corresponding path program 1 times
[2024-11-03 13:03:33,385 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 13:03:33,385 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1682983038]
[2024-11-03 13:03:33,385 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 13:03:33,385 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 13:03:33,385 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:03:33,386 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 13:03:33,387 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process
[2024-11-03 13:03:33,422 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 13:03:33,424 INFO  L255         TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-03 13:03:33,425 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 13:03:33,735 INFO  L134       CoverageAnalysis]: Checked inductivity of 144 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2024-11-03 13:03:33,735 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 13:03:34,409 INFO  L134       CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked.
[2024-11-03 13:03:34,409 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 13:03:34,409 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1682983038]
[2024-11-03 13:03:34,409 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1682983038] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 13:03:34,409 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 13:03:34,409 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12
[2024-11-03 13:03:34,410 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341497691]
[2024-11-03 13:03:34,410 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 13:03:34,410 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-03 13:03:34,410 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 13:03:34,411 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-03 13:03:34,411 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132
[2024-11-03 13:03:34,411 INFO  L87              Difference]: Start difference. First operand 101 states and 134 transitions. Second operand  has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 12 states have internal predecessors, (44), 4 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (18), 2 states have call predecessors, (18), 4 states have call successors, (18)
[2024-11-03 13:03:35,059 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 13:03:35,059 INFO  L93              Difference]: Finished difference Result 189 states and 242 transitions.
[2024-11-03 13:03:35,061 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2024-11-03 13:03:35,061 INFO  L78                 Accepts]: Start accepts. Automaton has  has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 12 states have internal predecessors, (44), 4 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (18), 2 states have call predecessors, (18), 4 states have call successors, (18) Word has length 66
[2024-11-03 13:03:35,063 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 13:03:35,066 INFO  L225             Difference]: With dead ends: 189
[2024-11-03 13:03:35,066 INFO  L226             Difference]: Without dead ends: 118
[2024-11-03 13:03:35,067 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 121 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=120, Invalid=222, Unknown=0, NotChecked=0, Total=342
[2024-11-03 13:03:35,072 INFO  L432           NwaCegarLoop]: 34 mSDtfsCounter, 122 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-03 13:03:35,072 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 157 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-03 13:03:35,073 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 118 states.
[2024-11-03 13:03:35,096 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 101.
[2024-11-03 13:03:35,096 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 101 states, 69 states have (on average 1.1159420289855073) internal successors, (77), 70 states have internal predecessors, (77), 26 states have call successors, (26), 5 states have call predecessors, (26), 5 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26)
[2024-11-03 13:03:35,097 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 129 transitions.
[2024-11-03 13:03:35,097 INFO  L78                 Accepts]: Start accepts. Automaton has 101 states and 129 transitions. Word has length 66
[2024-11-03 13:03:35,098 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 13:03:35,098 INFO  L471      AbstractCegarLoop]: Abstraction has 101 states and 129 transitions.
[2024-11-03 13:03:35,098 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 12 states have internal predecessors, (44), 4 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (18), 2 states have call predecessors, (18), 4 states have call successors, (18)
[2024-11-03 13:03:35,098 INFO  L276                IsEmpty]: Start isEmpty. Operand 101 states and 129 transitions.
[2024-11-03 13:03:35,108 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 129
[2024-11-03 13:03:35,108 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 13:03:35,108 INFO  L215           NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-03 13:03:35,112 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Forceful destruction successful, exit code 0
[2024-11-03 13:03:35,309 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:03:35,309 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 13:03:35,309 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 13:03:35,310 INFO  L85        PathProgramCache]: Analyzing trace with hash 750943182, now seen corresponding path program 1 times
[2024-11-03 13:03:35,310 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 13:03:35,310 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1097710875]
[2024-11-03 13:03:35,310 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 13:03:35,310 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 13:03:35,310 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:03:35,311 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 13:03:35,314 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process
[2024-11-03 13:03:35,371 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 13:03:35,372 INFO  L255         TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-03 13:03:35,375 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 13:03:35,582 INFO  L134       CoverageAnalysis]: Checked inductivity of 637 backedges. 357 proven. 24 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked.
[2024-11-03 13:03:35,582 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 13:03:36,510 INFO  L134       CoverageAnalysis]: Checked inductivity of 637 backedges. 52 proven. 24 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked.
[2024-11-03 13:03:36,511 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 13:03:36,511 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1097710875]
[2024-11-03 13:03:36,511 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1097710875] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 13:03:36,511 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 13:03:36,511 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14
[2024-11-03 13:03:36,511 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882246973]
[2024-11-03 13:03:36,511 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 13:03:36,512 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-03 13:03:36,512 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 13:03:36,512 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-03 13:03:36,512 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182
[2024-11-03 13:03:36,513 INFO  L87              Difference]: Start difference. First operand 101 states and 129 transitions. Second operand  has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 14 states have internal predecessors, (68), 5 states have call successors, (27), 3 states have call predecessors, (27), 4 states have return successors, (27), 3 states have call predecessors, (27), 5 states have call successors, (27)
[2024-11-03 13:03:39,548 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 13:03:39,548 INFO  L93              Difference]: Finished difference Result 228 states and 284 transitions.
[2024-11-03 13:03:39,551 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2024-11-03 13:03:39,551 INFO  L78                 Accepts]: Start accepts. Automaton has  has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 14 states have internal predecessors, (68), 5 states have call successors, (27), 3 states have call predecessors, (27), 4 states have return successors, (27), 3 states have call predecessors, (27), 5 states have call successors, (27) Word has length 128
[2024-11-03 13:03:39,552 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 13:03:39,553 INFO  L225             Difference]: With dead ends: 228
[2024-11-03 13:03:39,553 INFO  L226             Difference]: Without dead ends: 161
[2024-11-03 13:03:39,554 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 244 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=269, Invalid=601, Unknown=0, NotChecked=0, Total=870
[2024-11-03 13:03:39,555 INFO  L432           NwaCegarLoop]: 63 mSDtfsCounter, 227 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-11-03 13:03:39,555 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 306 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-11-03 13:03:39,555 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 161 states.
[2024-11-03 13:03:39,574 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 139.
[2024-11-03 13:03:39,574 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 139 states, 93 states have (on average 1.064516129032258) internal successors, (99), 94 states have internal predecessors, (99), 35 states have call successors, (35), 10 states have call predecessors, (35), 10 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35)
[2024-11-03 13:03:39,575 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 169 transitions.
[2024-11-03 13:03:39,576 INFO  L78                 Accepts]: Start accepts. Automaton has 139 states and 169 transitions. Word has length 128
[2024-11-03 13:03:39,576 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 13:03:39,576 INFO  L471      AbstractCegarLoop]: Abstraction has 139 states and 169 transitions.
[2024-11-03 13:03:39,577 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 14 states have internal predecessors, (68), 5 states have call successors, (27), 3 states have call predecessors, (27), 4 states have return successors, (27), 3 states have call predecessors, (27), 5 states have call successors, (27)
[2024-11-03 13:03:39,577 INFO  L276                IsEmpty]: Start isEmpty. Operand 139 states and 169 transitions.
[2024-11-03 13:03:39,578 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 129
[2024-11-03 13:03:39,578 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 13:03:39,578 INFO  L215           NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-03 13:03:39,584 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Forceful destruction successful, exit code 0
[2024-11-03 13:03:39,781 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:03:39,782 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 13:03:39,782 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 13:03:39,782 INFO  L85        PathProgramCache]: Analyzing trace with hash -924338250, now seen corresponding path program 1 times
[2024-11-03 13:03:39,782 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 13:03:39,782 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1338850523]
[2024-11-03 13:03:39,782 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 13:03:39,782 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 13:03:39,783 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:03:39,784 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 13:03:39,785 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Waiting until timeout for monitored process
[2024-11-03 13:03:39,868 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 13:03:39,873 INFO  L255         TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 21 conjuncts are in the unsatisfiable core
[2024-11-03 13:03:39,876 INFO  L278         TraceCheckSpWp]: Computing forward predicates...