/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_amount250_file-99.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 12:58:12,028 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 12:58:12,101 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 12:58:12,105 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 12:58:12,105 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 12:58:12,135 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 12:58:12,136 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 12:58:12,136 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 12:58:12,136 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 12:58:12,137 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 12:58:12,137 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 12:58:12,137 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 12:58:12,138 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 12:58:12,138 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 12:58:12,139 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 12:58:12,139 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 12:58:12,139 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 12:58:12,140 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 12:58:12,140 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 12:58:12,140 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 12:58:12,140 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 12:58:12,144 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 12:58:12,144 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 12:58:12,145 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 12:58:12,145 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 12:58:12,145 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 12:58:12,145 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 12:58:12,146 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 12:58:12,146 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 12:58:12,146 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 12:58:12,146 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 12:58:12,147 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 12:58:12,147 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 12:58:12,147 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 12:58:12,147 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:58:12,148 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 12:58:12,148 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 12:58:12,150 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 12:58:12,150 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 12:58:12,150 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 12:58:12,150 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 12:58:12,151 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 12:58:12,151 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 12:58:12,151 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 12:58:12,151 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla
[2024-11-03 12:58:12,370 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 12:58:12,395 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 12:58:12,398 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 12:58:12,399 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 12:58:12,399 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 12:58:12,400 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-99.i
[2024-11-03 12:58:13,821 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 12:58:14,050 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 12:58:14,051 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-99.i
[2024-11-03 12:58:14,063 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cab0dfc23/8648d31a8931411a869d183d323b294d/FLAG0adf4260c
[2024-11-03 12:58:14,400 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cab0dfc23/8648d31a8931411a869d183d323b294d
[2024-11-03 12:58:14,402 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 12:58:14,403 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 12:58:14,404 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 12:58:14,405 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 12:58:14,410 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 12:58:14,411 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:58:14" (1/1) ...
[2024-11-03 12:58:14,412 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1419cf7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:58:14, skipping insertion in model container
[2024-11-03 12:58:14,412 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:58:14" (1/1) ...
[2024-11-03 12:58:14,456 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 12:58:14,615 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_amount250_file-99.i[916,929]
[2024-11-03 12:58:14,756 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:58:14,772 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 12:58:14,785 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_amount250_file-99.i[916,929]
[2024-11-03 12:58:14,840 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:58:14,859 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 12:58:14,861 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:58:14 WrapperNode
[2024-11-03 12:58:14,862 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 12:58:14,863 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 12:58:14,863 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 12:58:14,863 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 12:58:14,868 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:58:14" (1/1) ...
[2024-11-03 12:58:14,886 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:58:14" (1/1) ...
[2024-11-03 12:58:14,919 INFO  L138                Inliner]: procedures = 27, calls = 72, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 389
[2024-11-03 12:58:14,920 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 12:58:14,921 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 12:58:14,921 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 12:58:14,921 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 12:58:14,930 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:58:14" (1/1) ...
[2024-11-03 12:58:14,930 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:58:14" (1/1) ...
[2024-11-03 12:58:14,941 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:58:14" (1/1) ...
[2024-11-03 12:58:14,961 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 12:58:14,962 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:58:14" (1/1) ...
[2024-11-03 12:58:14,962 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:58:14" (1/1) ...
[2024-11-03 12:58:14,984 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:58:14" (1/1) ...
[2024-11-03 12:58:14,989 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:58:14" (1/1) ...
[2024-11-03 12:58:14,993 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:58:14" (1/1) ...
[2024-11-03 12:58:14,997 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:58:14" (1/1) ...
[2024-11-03 12:58:15,007 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 12:58:15,012 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 12:58:15,012 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 12:58:15,012 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 12:58:15,013 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:58:14" (1/1) ...
[2024-11-03 12:58:15,036 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:58:15,049 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 12:58:15,064 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 12:58:15,070 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 12:58:15,093 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 12:58:15,093 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 12:58:15,093 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 12:58:15,094 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 12:58:15,094 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 12:58:15,094 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 12:58:15,224 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 12:58:15,227 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 12:58:42,318 INFO  L?                        ?]: Removed 34 outVars from TransFormulas that were not future-live.
[2024-11-03 12:58:42,318 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 12:58:42,338 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 12:58:42,339 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 12:58:42,340 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:58:42 BoogieIcfgContainer
[2024-11-03 12:58:42,340 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 12:58:42,344 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 12:58:42,344 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 12:58:42,348 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 12:58:42,348 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:58:14" (1/3) ...
[2024-11-03 12:58:42,349 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b4536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:58:42, skipping insertion in model container
[2024-11-03 12:58:42,349 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:58:14" (2/3) ...
[2024-11-03 12:58:42,349 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b4536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:58:42, skipping insertion in model container
[2024-11-03 12:58:42,349 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:58:42" (3/3) ...
[2024-11-03 12:58:42,350 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-99.i
[2024-11-03 12:58:42,366 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 12:58:42,367 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 12:58:42,439 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 12:58:42,444 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;@4300d483, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 12:58:42,446 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 12:58:42,452 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 171 states, 109 states have (on average 1.4770642201834863) internal successors, (161), 110 states have internal predecessors, (161), 59 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59)
[2024-11-03 12:58:42,476 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 374
[2024-11-03 12:58:42,476 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:58:42,477 INFO  L215           NwaCegarLoop]: trace histogram [59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:58:42,477 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:58:42,484 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:58:42,485 INFO  L85        PathProgramCache]: Analyzing trace with hash 1299125342, now seen corresponding path program 1 times
[2024-11-03 12:58:42,492 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:58:42,493 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1215102532]
[2024-11-03 12:58:42,493 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:58:42,495 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:58:42,496 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:58:42,498 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 12:58:42,501 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process
[2024-11-03 12:58:42,777 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:58:42,782 INFO  L255         TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 12:58:42,801 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:58:42,915 INFO  L134       CoverageAnalysis]: Checked inductivity of 6844 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 6728 trivial. 0 not checked.
[2024-11-03 12:58:42,915 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:58:47,933 INFO  L134       CoverageAnalysis]: Checked inductivity of 6844 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 6728 trivial. 0 not checked.
[2024-11-03 12:58:47,934 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:58:47,935 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1215102532]
[2024-11-03 12:58:47,937 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1215102532] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:58:47,937 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:58:47,937 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 12:58:47,939 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196816795]
[2024-11-03 12:58:47,939 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:58:47,945 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 12:58:47,946 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:58:47,965 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 12:58:47,965 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 12:58:47,968 INFO  L87              Difference]: Start difference. First operand  has 171 states, 109 states have (on average 1.4770642201834863) internal successors, (161), 110 states have internal predecessors, (161), 59 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) Second operand  has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 1 states have call successors, (59), 1 states have call predecessors, (59), 2 states have return successors, (59), 2 states have call predecessors, (59), 1 states have call successors, (59)
[2024-11-03 12:58:48,032 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:58:48,032 INFO  L93              Difference]: Finished difference Result 335 states and 611 transitions.
[2024-11-03 12:58:48,033 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 12:58:48,034 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 1 states have call successors, (59), 1 states have call predecessors, (59), 2 states have return successors, (59), 2 states have call predecessors, (59), 1 states have call successors, (59) Word has length 373
[2024-11-03 12:58:48,035 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:58:48,046 INFO  L225             Difference]: With dead ends: 335
[2024-11-03 12:58:48,046 INFO  L226             Difference]: Without dead ends: 167
[2024-11-03 12:58:48,054 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 744 GetRequests, 744 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 12:58:48,060 INFO  L432           NwaCegarLoop]: 271 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, 271 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 12:58:48,060 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 12:58:48,079 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 167 states.
[2024-11-03 12:58:48,128 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167.
[2024-11-03 12:58:48,130 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 167 states, 106 states have (on average 1.4433962264150944) internal successors, (153), 106 states have internal predecessors, (153), 59 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59)
[2024-11-03 12:58:48,132 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 271 transitions.
[2024-11-03 12:58:48,137 INFO  L78                 Accepts]: Start accepts. Automaton has 167 states and 271 transitions. Word has length 373
[2024-11-03 12:58:48,138 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:58:48,138 INFO  L471      AbstractCegarLoop]: Abstraction has 167 states and 271 transitions.
[2024-11-03 12:58:48,138 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 1 states have call successors, (59), 1 states have call predecessors, (59), 2 states have return successors, (59), 2 states have call predecessors, (59), 1 states have call successors, (59)
[2024-11-03 12:58:48,139 INFO  L276                IsEmpty]: Start isEmpty. Operand 167 states and 271 transitions.
[2024-11-03 12:58:48,147 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 374
[2024-11-03 12:58:48,147 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:58:48,147 INFO  L215           NwaCegarLoop]: trace histogram [59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:58:48,156 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0
[2024-11-03 12:58:48,348 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:58:48,349 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:58:48,349 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:58:48,350 INFO  L85        PathProgramCache]: Analyzing trace with hash 1060509576, now seen corresponding path program 1 times
[2024-11-03 12:58:48,350 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:58:48,350 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2039182726]
[2024-11-03 12:58:48,350 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:58:48,351 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:58:48,351 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:58:48,352 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 12:58:48,353 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process
[2024-11-03 12:58:48,569 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:58:48,574 INFO  L255         TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 12:58:48,584 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:59:04,201 INFO  L134       CoverageAnalysis]: Checked inductivity of 6844 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6844 trivial. 0 not checked.
[2024-11-03 12:59:04,201 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:59:14,595 INFO  L134       CoverageAnalysis]: Checked inductivity of 6844 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6844 trivial. 0 not checked.
[2024-11-03 12:59:14,596 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:59:14,596 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2039182726]
[2024-11-03 12:59:14,596 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [2039182726] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:59:14,596 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:59:14,597 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4
[2024-11-03 12:59:14,597 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762746453]
[2024-11-03 12:59:14,597 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:59:14,599 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-03 12:59:14,599 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:59:14,601 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-03 12:59:14,601 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-03 12:59:14,601 INFO  L87              Difference]: Start difference. First operand 167 states and 271 transitions. Second operand  has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 2 states have call successors, (118), 2 states have call predecessors, (118), 2 states have return successors, (118), 2 states have call predecessors, (118), 2 states have call successors, (118)
[2024-11-03 12:59:19,980 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.56s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:59:23,992 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:59:27,998 WARN  L539   Checker$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 12:59:32,005 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:59:36,012 WARN  L539   Checker$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 12:59:39,719 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:59:39,720 INFO  L93              Difference]: Finished difference Result 652 states and 1061 transitions.
[2024-11-03 12:59:39,720 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-03 12:59:39,721 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 2 states have call successors, (118), 2 states have call predecessors, (118), 2 states have return successors, (118), 2 states have call predecessors, (118), 2 states have call successors, (118) Word has length 373
[2024-11-03 12:59:39,722 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:59:39,728 INFO  L225             Difference]: With dead ends: 652
[2024-11-03 12:59:39,728 INFO  L226             Difference]: Without dead ends: 488
[2024-11-03 12:59:39,729 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 744 GetRequests, 742 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-03 12:59:39,731 INFO  L432           NwaCegarLoop]: 304 mSDtfsCounter, 219 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 952 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time
[2024-11-03 12:59:39,731 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 952 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 139 Invalid, 5 Unknown, 0 Unchecked, 25.0s Time]
[2024-11-03 12:59:39,733 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 488 states.
[2024-11-03 12:59:39,790 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 323.
[2024-11-03 12:59:39,793 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 323 states, 202 states have (on average 1.4306930693069306) internal successors, (289), 202 states have internal predecessors, (289), 118 states have call successors, (118), 2 states have call predecessors, (118), 2 states have return successors, (118), 118 states have call predecessors, (118), 118 states have call successors, (118)
[2024-11-03 12:59:39,796 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 525 transitions.
[2024-11-03 12:59:39,799 INFO  L78                 Accepts]: Start accepts. Automaton has 323 states and 525 transitions. Word has length 373
[2024-11-03 12:59:39,800 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:59:39,801 INFO  L471      AbstractCegarLoop]: Abstraction has 323 states and 525 transitions.
[2024-11-03 12:59:39,801 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 2 states have call successors, (118), 2 states have call predecessors, (118), 2 states have return successors, (118), 2 states have call predecessors, (118), 2 states have call successors, (118)
[2024-11-03 12:59:39,801 INFO  L276                IsEmpty]: Start isEmpty. Operand 323 states and 525 transitions.
[2024-11-03 12:59:39,810 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 375
[2024-11-03 12:59:39,811 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:59:39,811 INFO  L215           NwaCegarLoop]: trace histogram [59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:59:39,818 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0
[2024-11-03 12:59:40,011 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:59:40,012 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:59:40,013 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:59:40,013 INFO  L85        PathProgramCache]: Analyzing trace with hash -1361900387, now seen corresponding path program 1 times
[2024-11-03 12:59:40,013 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:59:40,013 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [90886988]
[2024-11-03 12:59:40,014 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:59:40,014 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:59:40,014 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:59:40,016 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 12:59:40,017 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process
[2024-11-03 12:59:40,208 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:59:40,211 INFO  L255         TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-03 12:59:40,218 INFO  L278         TraceCheckSpWp]: Computing forward predicates...