/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_amount500_file-64.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 13:18:36,504 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 13:18:36,563 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 13:18:36,569 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 13:18:36,570 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 13:18:36,587 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 13:18:36,587 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 13:18:36,587 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 13:18:36,588 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 13:18:36,588 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 13:18:36,588 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 13:18:36,588 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 13:18:36,589 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 13:18:36,590 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 13:18:36,590 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 13:18:36,590 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 13:18:36,590 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 13:18:36,591 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 13:18:36,591 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 13:18:36,591 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 13:18:36,592 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 13:18:36,593 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 13:18:36,593 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 13:18:36,593 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 13:18:36,593 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 13:18:36,593 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 13:18:36,594 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 13:18:36,594 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 13:18:36,594 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 13:18:36,594 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 13:18:36,594 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 13:18:36,595 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 13:18:36,595 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 13:18:36,595 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 13:18:36,595 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 13:18:36,595 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 13:18:36,596 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 13:18:36,596 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 13:18:36,597 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 13:18:36,597 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 13:18:36,598 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 13:18:36,598 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 13:18:36,598 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 13:18:36,598 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 13:18:36,598 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla
[2024-11-03 13:18:36,791 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 13:18:36,813 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 13:18:36,815 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 13:18:36,815 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 13:18:36,816 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 13:18:36,817 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount500_file-64.i
[2024-11-03 13:18:38,124 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 13:18:38,330 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 13:18:38,330 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount500_file-64.i
[2024-11-03 13:18:38,359 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dae81caa0/43e9f5d8db3a46009d23282fc3606ddc/FLAGe10d510b4
[2024-11-03 13:18:38,690 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dae81caa0/43e9f5d8db3a46009d23282fc3606ddc
[2024-11-03 13:18:38,692 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 13:18:38,693 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 13:18:38,694 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 13:18:38,694 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 13:18:38,701 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 13:18:38,702 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:18:38" (1/1) ...
[2024-11-03 13:18:38,703 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@474bd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:18:38, skipping insertion in model container
[2024-11-03 13:18:38,703 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:18:38" (1/1) ...
[2024-11-03 13:18:38,748 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 13:18:38,884 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_amount500_file-64.i[916,929]
[2024-11-03 13:18:39,061 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 13:18:39,081 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 13:18:39,090 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_amount500_file-64.i[916,929]
[2024-11-03 13:18:39,168 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 13:18:39,186 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 13:18:39,187 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:18:39 WrapperNode
[2024-11-03 13:18:39,188 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 13:18:39,188 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 13:18:39,189 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 13:18:39,189 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 13:18:39,194 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:18:39" (1/1) ...
[2024-11-03 13:18:39,214 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:18:39" (1/1) ...
[2024-11-03 13:18:39,250 INFO  L138                Inliner]: procedures = 27, calls = 78, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 548
[2024-11-03 13:18:39,251 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 13:18:39,251 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 13:18:39,251 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 13:18:39,251 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 13:18:39,260 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:18:39" (1/1) ...
[2024-11-03 13:18:39,261 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:18:39" (1/1) ...
[2024-11-03 13:18:39,271 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:18:39" (1/1) ...
[2024-11-03 13:18:39,299 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 13:18:39,299 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:18:39" (1/1) ...
[2024-11-03 13:18:39,299 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:18:39" (1/1) ...
[2024-11-03 13:18:39,332 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:18:39" (1/1) ...
[2024-11-03 13:18:39,336 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:18:39" (1/1) ...
[2024-11-03 13:18:39,378 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:18:39" (1/1) ...
[2024-11-03 13:18:39,387 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:18:39" (1/1) ...
[2024-11-03 13:18:39,397 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 13:18:39,398 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 13:18:39,398 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 13:18:39,398 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 13:18:39,399 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:18:39" (1/1) ...
[2024-11-03 13:18:39,403 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 13:18:39,411 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 13:18:39,424 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 13:18:39,428 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 13:18:39,450 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 13:18:39,450 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 13:18:39,450 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 13:18:39,450 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 13:18:39,450 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 13:18:39,451 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 13:18:39,583 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 13:18:39,585 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 13:19:11,889 INFO  L?                        ?]: Removed 50 outVars from TransFormulas that were not future-live.
[2024-11-03 13:19:11,890 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 13:19:11,910 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 13:19:11,910 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 13:19:11,911 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:19:11 BoogieIcfgContainer
[2024-11-03 13:19:11,911 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 13:19:11,915 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 13:19:11,916 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 13:19:11,918 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 13:19:11,918 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:18:38" (1/3) ...
[2024-11-03 13:19:11,919 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5dc894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:19:11, skipping insertion in model container
[2024-11-03 13:19:11,919 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:18:39" (2/3) ...
[2024-11-03 13:19:11,919 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5dc894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:19:11, skipping insertion in model container
[2024-11-03 13:19:11,919 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:19:11" (3/3) ...
[2024-11-03 13:19:11,920 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount500_file-64.i
[2024-11-03 13:19:11,935 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 13:19:11,935 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 13:19:12,002 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 13:19:12,009 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;@7bc2921a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 13:19:12,010 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 13:19:12,015 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 219 states, 151 states have (on average 1.596026490066225) internal successors, (241), 152 states have internal predecessors, (241), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65)
[2024-11-03 13:19:12,037 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 421
[2024-11-03 13:19:12,038 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 13:19:12,040 INFO  L215           NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:19:12,040 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 13:19:12,045 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 13:19:12,046 INFO  L85        PathProgramCache]: Analyzing trace with hash -1479651575, now seen corresponding path program 1 times
[2024-11-03 13:19:12,052 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 13:19:12,053 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1821202352]
[2024-11-03 13:19:12,053 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 13:19:12,055 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 13:19:12,056 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:19:12,058 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 13:19:12,059 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process
[2024-11-03 13:19:12,322 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 13:19:12,326 INFO  L255         TraceCheckSpWp]: Trace formula consists of 736 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 13:19:12,348 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 13:19:12,414 INFO  L134       CoverageAnalysis]: Checked inductivity of 8320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8320 trivial. 0 not checked.
[2024-11-03 13:19:12,415 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 13:19:18,793 INFO  L134       CoverageAnalysis]: Checked inductivity of 8320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8320 trivial. 0 not checked.
[2024-11-03 13:19:18,794 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 13:19:18,794 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1821202352]
[2024-11-03 13:19:18,795 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1821202352] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 13:19:18,795 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 13:19:18,795 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 13:19:18,796 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717996250]
[2024-11-03 13:19:18,797 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 13:19:18,805 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 13:19:18,805 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 13:19:18,824 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 13:19:18,824 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 13:19:18,826 INFO  L87              Difference]: Start difference. First operand  has 219 states, 151 states have (on average 1.596026490066225) internal successors, (241), 152 states have internal predecessors, (241), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) Second operand  has 2 states, 2 states have (on average 49.0) internal successors, (98), 2 states have internal predecessors, (98), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65)
[2024-11-03 13:19:18,863 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 13:19:18,863 INFO  L93              Difference]: Finished difference Result 429 states and 797 transitions.
[2024-11-03 13:19:18,867 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 13:19:18,868 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 49.0) internal successors, (98), 2 states have internal predecessors, (98), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) Word has length 420
[2024-11-03 13:19:18,869 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 13:19:18,876 INFO  L225             Difference]: With dead ends: 429
[2024-11-03 13:19:18,877 INFO  L226             Difference]: Without dead ends: 213
[2024-11-03 13:19:18,881 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 838 GetRequests, 838 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 13:19:18,883 INFO  L432           NwaCegarLoop]: 357 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, 357 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 13:19:18,884 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 13:19:18,897 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 213 states.
[2024-11-03 13:19:18,935 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213.
[2024-11-03 13:19:18,936 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 213 states, 146 states have (on average 1.5547945205479452) internal successors, (227), 146 states have internal predecessors, (227), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65)
[2024-11-03 13:19:18,939 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 357 transitions.
[2024-11-03 13:19:18,945 INFO  L78                 Accepts]: Start accepts. Automaton has 213 states and 357 transitions. Word has length 420
[2024-11-03 13:19:18,945 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 13:19:18,945 INFO  L471      AbstractCegarLoop]: Abstraction has 213 states and 357 transitions.
[2024-11-03 13:19:18,946 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 49.0) internal successors, (98), 2 states have internal predecessors, (98), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65)
[2024-11-03 13:19:18,946 INFO  L276                IsEmpty]: Start isEmpty. Operand 213 states and 357 transitions.
[2024-11-03 13:19:18,956 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 422
[2024-11-03 13:19:18,957 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 13:19:18,957 INFO  L215           NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:19:18,963 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0
[2024-11-03 13:19:19,160 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:19:19,160 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 13:19:19,161 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 13:19:19,161 INFO  L85        PathProgramCache]: Analyzing trace with hash -534893570, now seen corresponding path program 1 times
[2024-11-03 13:19:19,161 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 13:19:19,161 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1800141947]
[2024-11-03 13:19:19,162 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 13:19:19,162 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 13:19:19,162 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:19:19,164 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 13:19:19,165 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process
[2024-11-03 13:19:19,387 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 13:19:19,393 INFO  L255         TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-03 13:19:19,404 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 13:19:31,737 INFO  L134       CoverageAnalysis]: Checked inductivity of 8320 backedges. 3952 proven. 120 refuted. 0 times theorem prover too weak. 4248 trivial. 0 not checked.
[2024-11-03 13:19:31,738 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 13:19:43,878 INFO  L134       CoverageAnalysis]: Checked inductivity of 8320 backedges. 72 proven. 120 refuted. 0 times theorem prover too weak. 8128 trivial. 0 not checked.
[2024-11-03 13:19:43,878 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 13:19:43,879 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1800141947]
[2024-11-03 13:19:43,879 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1800141947] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 13:19:43,879 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 13:19:43,879 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2024-11-03 13:19:43,880 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531909911]
[2024-11-03 13:19:43,880 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 13:19:43,881 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-03 13:19:43,882 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 13:19:43,884 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-03 13:19:43,884 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-03 13:19:43,885 INFO  L87              Difference]: Start difference. First operand 213 states and 357 transitions. Second operand  has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 7 states have internal predecessors, (108), 2 states have call successors, (105), 2 states have call predecessors, (105), 4 states have return successors, (106), 2 states have call predecessors, (106), 2 states have call successors, (106)
[2024-11-03 13:19:55,348 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 13:19:57,505 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 13:20:03,329 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.78s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 13:20:07,332 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 13:20:11,336 WARN  L539   Checker$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 13:20:15,434 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 13:20:15,434 INFO  L93              Difference]: Finished difference Result 470 states and 780 transitions.
[2024-11-03 13:20:15,435 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-03 13:20:15,435 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 7 states have internal predecessors, (108), 2 states have call successors, (105), 2 states have call predecessors, (105), 4 states have return successors, (106), 2 states have call predecessors, (106), 2 states have call successors, (106) Word has length 421
[2024-11-03 13:20:15,436 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 13:20:15,440 INFO  L225             Difference]: With dead ends: 470
[2024-11-03 13:20:15,440 INFO  L226             Difference]: Without dead ends: 260
[2024-11-03 13:20:15,441 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 844 GetRequests, 834 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110
[2024-11-03 13:20:15,442 INFO  L432           NwaCegarLoop]: 319 mSDtfsCounter, 370 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 57 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 769 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.7s IncrementalHoareTripleChecker+Time
[2024-11-03 13:20:15,443 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 769 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 482 Invalid, 3 Unknown, 0 Unchecked, 30.7s Time]
[2024-11-03 13:20:15,443 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 260 states.
[2024-11-03 13:20:15,473 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 255.
[2024-11-03 13:20:15,474 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 255 states, 163 states have (on average 1.4723926380368098) internal successors, (240), 164 states have internal predecessors, (240), 89 states have call successors, (89), 2 states have call predecessors, (89), 2 states have return successors, (89), 88 states have call predecessors, (89), 89 states have call successors, (89)
[2024-11-03 13:20:15,475 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 418 transitions.
[2024-11-03 13:20:15,476 INFO  L78                 Accepts]: Start accepts. Automaton has 255 states and 418 transitions. Word has length 421
[2024-11-03 13:20:15,477 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 13:20:15,477 INFO  L471      AbstractCegarLoop]: Abstraction has 255 states and 418 transitions.
[2024-11-03 13:20:15,477 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 7 states have internal predecessors, (108), 2 states have call successors, (105), 2 states have call predecessors, (105), 4 states have return successors, (106), 2 states have call predecessors, (106), 2 states have call successors, (106)
[2024-11-03 13:20:15,478 INFO  L276                IsEmpty]: Start isEmpty. Operand 255 states and 418 transitions.
[2024-11-03 13:20:15,482 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 423
[2024-11-03 13:20:15,482 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 13:20:15,482 INFO  L215           NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:20:15,488 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0
[2024-11-03 13:20:15,683 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:20:15,683 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 13:20:15,684 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 13:20:15,684 INFO  L85        PathProgramCache]: Analyzing trace with hash 774205890, now seen corresponding path program 1 times
[2024-11-03 13:20:15,684 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 13:20:15,684 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1338343484]
[2024-11-03 13:20:15,684 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 13:20:15,685 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 13:20:15,685 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:20:15,687 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 13:20:15,688 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process
[2024-11-03 13:20:15,845 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 13:20:15,851 INFO  L255         TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-03 13:20:15,858 INFO  L278         TraceCheckSpWp]: Computing forward predicates...