/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_amount100_file-17.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 12:28:42,652 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 12:28:42,725 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 12:28:42,731 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 12:28:42,732 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 12:28:42,765 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 12:28:42,765 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 12:28:42,766 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 12:28:42,767 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 12:28:42,767 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 12:28:42,768 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 12:28:42,768 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 12:28:42,768 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 12:28:42,769 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 12:28:42,770 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 12:28:42,770 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 12:28:42,770 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 12:28:42,771 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 12:28:42,771 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 12:28:42,773 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 12:28:42,773 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 12:28:42,774 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 12:28:42,774 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 12:28:42,774 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 12:28:42,775 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 12:28:42,775 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 12:28:42,775 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 12:28:42,776 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 12:28:42,776 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 12:28:42,776 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 12:28:42,776 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 12:28:42,777 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 12:28:42,777 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 12:28:42,777 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 12:28:42,777 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:28:42,778 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 12:28:42,778 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 12:28:42,778 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 12:28:42,779 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 12:28:42,779 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 12:28:42,779 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 12:28:42,781 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 12:28:42,781 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 12:28:42,781 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 12:28:42,781 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla
[2024-11-03 12:28:43,011 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 12:28:43,032 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 12:28:43,037 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 12:28:43,038 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 12:28:43,039 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 12:28:43,041 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-17.i
[2024-11-03 12:28:44,586 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 12:28:44,797 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 12:28:44,797 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-17.i
[2024-11-03 12:28:44,814 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02a7343eb/bec1bcef90c648b386b955612e1f9b14/FLAG429cb5a9b
[2024-11-03 12:28:44,834 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02a7343eb/bec1bcef90c648b386b955612e1f9b14
[2024-11-03 12:28:44,837 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 12:28:44,838 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 12:28:44,841 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 12:28:44,841 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 12:28:44,848 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 12:28:44,848 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:28:44" (1/1) ...
[2024-11-03 12:28:44,850 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19600f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:28:44, skipping insertion in model container
[2024-11-03 12:28:44,850 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:28:44" (1/1) ...
[2024-11-03 12:28:44,886 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 12:28:45,062 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_amount100_file-17.i[916,929]
[2024-11-03 12:28:45,148 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:28:45,162 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 12:28:45,173 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_amount100_file-17.i[916,929]
[2024-11-03 12:28:45,221 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:28:45,249 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 12:28:45,250 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:28:45 WrapperNode
[2024-11-03 12:28:45,250 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 12:28:45,253 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 12:28:45,253 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 12:28:45,253 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 12:28:45,261 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:28:45" (1/1) ...
[2024-11-03 12:28:45,276 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:28:45" (1/1) ...
[2024-11-03 12:28:45,306 INFO  L138                Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 181
[2024-11-03 12:28:45,306 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 12:28:45,307 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 12:28:45,307 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 12:28:45,307 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 12:28:45,324 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:28:45" (1/1) ...
[2024-11-03 12:28:45,324 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:28:45" (1/1) ...
[2024-11-03 12:28:45,330 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:28:45" (1/1) ...
[2024-11-03 12:28:45,345 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 12:28:45,346 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:28:45" (1/1) ...
[2024-11-03 12:28:45,346 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:28:45" (1/1) ...
[2024-11-03 12:28:45,358 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:28:45" (1/1) ...
[2024-11-03 12:28:45,364 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:28:45" (1/1) ...
[2024-11-03 12:28:45,367 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:28:45" (1/1) ...
[2024-11-03 12:28:45,370 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:28:45" (1/1) ...
[2024-11-03 12:28:45,378 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 12:28:45,383 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 12:28:45,383 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 12:28:45,383 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 12:28:45,385 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:28:45" (1/1) ...
[2024-11-03 12:28:45,400 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:28:45,417 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 12:28:45,433 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 12:28:45,438 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 12:28:45,469 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 12:28:45,469 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 12:28:45,470 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 12:28:45,470 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 12:28:45,470 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 12:28:45,472 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 12:28:45,593 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 12:28:45,595 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 12:28:58,380 INFO  L?                        ?]: Removed 26 outVars from TransFormulas that were not future-live.
[2024-11-03 12:28:58,381 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 12:28:58,395 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 12:28:58,395 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 12:28:58,396 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:28:58 BoogieIcfgContainer
[2024-11-03 12:28:58,396 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 12:28:58,402 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 12:28:58,403 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 12:28:58,409 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 12:28:58,410 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:28:44" (1/3) ...
[2024-11-03 12:28:58,410 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fedbf79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:28:58, skipping insertion in model container
[2024-11-03 12:28:58,411 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:28:45" (2/3) ...
[2024-11-03 12:28:58,411 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fedbf79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:28:58, skipping insertion in model container
[2024-11-03 12:28:58,411 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:28:58" (3/3) ...
[2024-11-03 12:28:58,413 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-17.i
[2024-11-03 12:28:58,428 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 12:28:58,428 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 12:28:58,511 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 12:28:58,518 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;@36469ddc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 12:28:58,519 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 12:28:58,524 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 80 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 54 states have internal predecessors, (73), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24)
[2024-11-03 12:28:58,541 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 162
[2024-11-03 12:28:58,542 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:28:58,542 INFO  L215           NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:28:58,543 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:28:58,549 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:28:58,550 INFO  L85        PathProgramCache]: Analyzing trace with hash -1871605942, now seen corresponding path program 1 times
[2024-11-03 12:28:58,559 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:28:58,560 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [122874105]
[2024-11-03 12:28:58,561 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:28:58,563 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:28:58,563 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:28:58,565 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 12:28:58,567 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process
[2024-11-03 12:28:58,733 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:28:58,736 INFO  L255         TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 12:28:58,757 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:28:58,829 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked.
[2024-11-03 12:28:58,829 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:29:00,093 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked.
[2024-11-03 12:29:00,095 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:29:00,095 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [122874105]
[2024-11-03 12:29:00,096 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [122874105] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:29:00,096 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:29:00,096 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 12:29:00,098 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005259609]
[2024-11-03 12:29:00,099 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:29:00,104 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 12:29:00,104 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:29:00,124 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 12:29:00,124 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 12:29:00,126 INFO  L87              Difference]: Start difference. First operand  has 80 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 54 states have internal predecessors, (73), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand  has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24)
[2024-11-03 12:29:00,152 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:29:00,153 INFO  L93              Difference]: Finished difference Result 153 states and 260 transitions.
[2024-11-03 12:29:00,154 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 12:29:00,155 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) Word has length 161
[2024-11-03 12:29:00,155 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:29:00,162 INFO  L225             Difference]: With dead ends: 153
[2024-11-03 12:29:00,162 INFO  L226             Difference]: Without dead ends: 76
[2024-11-03 12:29:00,165 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 320 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 12:29:00,168 INFO  L432           NwaCegarLoop]: 114 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, 114 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 12:29:00,169 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 12:29:00,189 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 76 states.
[2024-11-03 12:29:00,210 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76.
[2024-11-03 12:29:00,211 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 76 states, 50 states have (on average 1.32) internal successors, (66), 50 states have internal predecessors, (66), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24)
[2024-11-03 12:29:00,214 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 114 transitions.
[2024-11-03 12:29:00,216 INFO  L78                 Accepts]: Start accepts. Automaton has 76 states and 114 transitions. Word has length 161
[2024-11-03 12:29:00,216 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:29:00,217 INFO  L471      AbstractCegarLoop]: Abstraction has 76 states and 114 transitions.
[2024-11-03 12:29:00,217 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24)
[2024-11-03 12:29:00,217 INFO  L276                IsEmpty]: Start isEmpty. Operand 76 states and 114 transitions.
[2024-11-03 12:29:00,220 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 162
[2024-11-03 12:29:00,221 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:29:00,221 INFO  L215           NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:00,224 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0
[2024-11-03 12:29:00,422 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:29:00,423 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:29:00,423 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:29:00,424 INFO  L85        PathProgramCache]: Analyzing trace with hash -1102724202, now seen corresponding path program 1 times
[2024-11-03 12:29:00,424 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:29:00,424 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [380492302]
[2024-11-03 12:29:00,424 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:29:00,425 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:29:00,425 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:29:00,427 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 12:29:00,428 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process
[2024-11-03 12:29:00,578 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:29:00,581 INFO  L255         TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-03 12:29:00,597 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:29:08,582 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked.
[2024-11-03 12:29:08,584 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:29:18,852 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked.
[2024-11-03 12:29:18,852 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:29:18,853 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [380492302]
[2024-11-03 12:29:18,853 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [380492302] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:29:18,853 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:29:18,853 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 8
[2024-11-03 12:29:18,853 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636243905]
[2024-11-03 12:29:18,854 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:29:18,856 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-03 12:29:18,856 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:29:18,857 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-03 12:29:18,859 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2024-11-03 12:29:18,860 INFO  L87              Difference]: Start difference. First operand 76 states and 114 transitions. Second operand  has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48)
[2024-11-03 12:29:25,516 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:29:29,528 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:29:33,535 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1]
[2024-11-03 12:29:37,545 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:29:41,549 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:29:46,395 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:29:50,398 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:29:54,408 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1]
[2024-11-03 12:29:58,418 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1]
[2024-11-03 12:30:02,429 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:30:06,431 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:30:06,432 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:30:06,432 INFO  L93              Difference]: Finished difference Result 223 states and 337 transitions.
[2024-11-03 12:30:06,544 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-03 12:30:06,545 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 161
[2024-11-03 12:30:06,546 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:30:06,548 INFO  L225             Difference]: With dead ends: 223
[2024-11-03 12:30:06,548 INFO  L226             Difference]: Without dead ends: 150
[2024-11-03 12:30:06,549 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90
[2024-11-03 12:30:06,550 INFO  L432           NwaCegarLoop]: 110 mSDtfsCounter, 98 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 97 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.2s IncrementalHoareTripleChecker+Time
[2024-11-03 12:30:06,551 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 534 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 136 Invalid, 11 Unknown, 0 Unchecked, 47.2s Time]
[2024-11-03 12:30:06,553 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 150 states.
[2024-11-03 12:30:06,585 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 123.
[2024-11-03 12:30:06,586 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 123 states, 72 states have (on average 1.2361111111111112) internal successors, (89), 72 states have internal predecessors, (89), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48)
[2024-11-03 12:30:06,589 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 185 transitions.
[2024-11-03 12:30:06,589 INFO  L78                 Accepts]: Start accepts. Automaton has 123 states and 185 transitions. Word has length 161
[2024-11-03 12:30:06,590 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:30:06,590 INFO  L471      AbstractCegarLoop]: Abstraction has 123 states and 185 transitions.
[2024-11-03 12:30:06,591 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48)
[2024-11-03 12:30:06,591 INFO  L276                IsEmpty]: Start isEmpty. Operand 123 states and 185 transitions.
[2024-11-03 12:30:06,593 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 163
[2024-11-03 12:30:06,594 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:30:06,594 INFO  L215           NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:06,597 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Forceful destruction successful, exit code 0
[2024-11-03 12:30:06,794 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:30:06,795 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:30:06,796 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:30:06,796 INFO  L85        PathProgramCache]: Analyzing trace with hash 775383925, now seen corresponding path program 1 times
[2024-11-03 12:30:06,796 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:30:06,796 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [301143591]
[2024-11-03 12:30:06,796 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:30:06,797 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:30:06,797 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:30:06,799 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 12:30:06,801 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process
[2024-11-03 12:30:06,907 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:30:06,909 INFO  L255         TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-03 12:30:06,917 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:30:14,849 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked.
[2024-11-03 12:30:14,850 INFO  L311         TraceCheckSpWp]: Computing backward predicates...