/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-65.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 12:35:26,980 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 12:35:27,035 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 12:35:27,039 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 12:35:27,040 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 12:35:27,063 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 12:35:27,064 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 12:35:27,064 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 12:35:27,065 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 12:35:27,067 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 12:35:27,067 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 12:35:27,068 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 12:35:27,068 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 12:35:27,068 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 12:35:27,068 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 12:35:27,068 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 12:35:27,069 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 12:35:27,069 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 12:35:27,069 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 12:35:27,070 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 12:35:27,071 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 12:35:27,071 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 12:35:27,071 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 12:35:27,071 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 12:35:27,071 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 12:35:27,071 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 12:35:27,072 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 12:35:27,072 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 12:35:27,072 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 12:35:27,072 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 12:35:27,072 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 12:35:27,072 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 12:35:27,072 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 12:35:27,073 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 12:35:27,073 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:35:27,073 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 12:35:27,073 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 12:35:27,073 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 12:35:27,073 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 12:35:27,073 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 12:35:27,074 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 12:35:27,074 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 12:35:27,075 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 12:35:27,075 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 12:35:27,075 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla
[2024-11-03 12:35:27,253 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 12:35:27,269 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 12:35:27,270 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 12:35:27,271 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 12:35:27,271 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 12:35:27,273 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-65.i
[2024-11-03 12:35:28,481 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 12:35:28,657 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 12:35:28,657 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-65.i
[2024-11-03 12:35:28,668 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97eadf2e8/98d6a6f32d2e49bea28e8e2b4a0daf6f/FLAG582ae9eb1
[2024-11-03 12:35:29,060 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97eadf2e8/98d6a6f32d2e49bea28e8e2b4a0daf6f
[2024-11-03 12:35:29,061 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 12:35:29,063 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 12:35:29,063 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 12:35:29,063 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 12:35:29,069 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 12:35:29,069 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:35:29" (1/1) ...
[2024-11-03 12:35:29,070 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2091295d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:35:29, skipping insertion in model container
[2024-11-03 12:35:29,070 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:35:29" (1/1) ...
[2024-11-03 12:35:29,097 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 12:35:29,242 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-65.i[916,929]
[2024-11-03 12:35:29,306 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:35:29,320 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 12:35:29,329 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-65.i[916,929]
[2024-11-03 12:35:29,358 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:35:29,375 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 12:35:29,375 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:35:29 WrapperNode
[2024-11-03 12:35:29,376 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 12:35:29,377 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 12:35:29,377 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 12:35:29,377 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 12:35:29,383 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:35:29" (1/1) ...
[2024-11-03 12:35:29,391 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:35:29" (1/1) ...
[2024-11-03 12:35:29,414 INFO  L138                Inliner]: procedures = 27, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 207
[2024-11-03 12:35:29,415 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 12:35:29,415 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 12:35:29,415 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 12:35:29,416 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 12:35:29,434 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:35:29" (1/1) ...
[2024-11-03 12:35:29,435 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:35:29" (1/1) ...
[2024-11-03 12:35:29,439 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:35:29" (1/1) ...
[2024-11-03 12:35:29,450 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 12:35:29,450 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:35:29" (1/1) ...
[2024-11-03 12:35:29,451 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:35:29" (1/1) ...
[2024-11-03 12:35:29,458 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:35:29" (1/1) ...
[2024-11-03 12:35:29,461 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:35:29" (1/1) ...
[2024-11-03 12:35:29,463 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:35:29" (1/1) ...
[2024-11-03 12:35:29,465 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:35:29" (1/1) ...
[2024-11-03 12:35:29,468 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 12:35:29,469 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 12:35:29,469 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 12:35:29,469 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 12:35:29,469 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:35:29" (1/1) ...
[2024-11-03 12:35:29,474 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:35:29,485 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 12:35:29,503 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 12:35:29,505 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 12:35:29,528 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 12:35:29,528 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 12:35:29,528 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 12:35:29,528 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 12:35:29,528 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 12:35:29,528 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 12:35:29,613 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 12:35:29,616 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 12:35:42,702 INFO  L?                        ?]: Removed 22 outVars from TransFormulas that were not future-live.
[2024-11-03 12:35:42,703 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 12:35:42,717 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 12:35:42,717 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 12:35:42,718 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:35:42 BoogieIcfgContainer
[2024-11-03 12:35:42,718 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 12:35:42,722 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 12:35:42,723 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 12:35:42,725 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 12:35:42,726 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:35:29" (1/3) ...
[2024-11-03 12:35:42,727 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7676c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:35:42, skipping insertion in model container
[2024-11-03 12:35:42,727 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:35:29" (2/3) ...
[2024-11-03 12:35:42,727 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7676c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:35:42, skipping insertion in model container
[2024-11-03 12:35:42,727 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:35:42" (3/3) ...
[2024-11-03 12:35:42,729 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-65.i
[2024-11-03 12:35:42,744 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 12:35:42,744 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 12:35:42,790 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 12:35:42,795 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;@141cbc4f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 12:35:42,795 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 12:35:42,799 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 95 states, 60 states have (on average 1.4166666666666667) internal successors, (85), 61 states have internal predecessors, (85), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32)
[2024-11-03 12:35:42,810 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 207
[2024-11-03 12:35:42,811 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:35:42,811 INFO  L215           NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:35:42,812 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:35:42,816 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:35:42,816 INFO  L85        PathProgramCache]: Analyzing trace with hash 416002784, now seen corresponding path program 1 times
[2024-11-03 12:35:42,823 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:35:42,823 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1417443587]
[2024-11-03 12:35:42,823 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:35:42,825 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:35:42,825 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:35:42,827 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 12:35:42,829 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process
[2024-11-03 12:35:42,963 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:35:42,965 INFO  L255         TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 12:35:42,977 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:35:43,028 INFO  L134       CoverageAnalysis]: Checked inductivity of 1984 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 1922 trivial. 0 not checked.
[2024-11-03 12:35:43,029 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:35:44,151 INFO  L134       CoverageAnalysis]: Checked inductivity of 1984 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 1922 trivial. 0 not checked.
[2024-11-03 12:35:44,152 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:35:44,152 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1417443587]
[2024-11-03 12:35:44,153 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1417443587] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:35:44,153 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:35:44,153 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 12:35:44,154 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789376112]
[2024-11-03 12:35:44,155 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:35:44,159 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 12:35:44,160 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:35:44,186 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 12:35:44,187 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 12:35:44,189 INFO  L87              Difference]: Start difference. First operand  has 95 states, 60 states have (on average 1.4166666666666667) internal successors, (85), 61 states have internal predecessors, (85), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand  has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 1 states have call successors, (32), 1 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 1 states have call successors, (32)
[2024-11-03 12:35:44,219 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:35:44,219 INFO  L93              Difference]: Finished difference Result 183 states and 324 transitions.
[2024-11-03 12:35:44,221 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 12:35:44,222 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 1 states have call successors, (32), 1 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 1 states have call successors, (32) Word has length 206
[2024-11-03 12:35:44,222 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:35:44,231 INFO  L225             Difference]: With dead ends: 183
[2024-11-03 12:35:44,232 INFO  L226             Difference]: Without dead ends: 91
[2024-11-03 12:35:44,235 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 410 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 12:35:44,240 INFO  L432           NwaCegarLoop]: 142 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, 142 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 12:35:44,242 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 12:35:44,258 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 91 states.
[2024-11-03 12:35:44,284 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91.
[2024-11-03 12:35:44,286 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 91 states, 57 states have (on average 1.368421052631579) internal successors, (78), 57 states have internal predecessors, (78), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32)
[2024-11-03 12:35:44,287 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 142 transitions.
[2024-11-03 12:35:44,289 INFO  L78                 Accepts]: Start accepts. Automaton has 91 states and 142 transitions. Word has length 206
[2024-11-03 12:35:44,289 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:35:44,290 INFO  L471      AbstractCegarLoop]: Abstraction has 91 states and 142 transitions.
[2024-11-03 12:35:44,290 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 1 states have call successors, (32), 1 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 1 states have call successors, (32)
[2024-11-03 12:35:44,290 INFO  L276                IsEmpty]: Start isEmpty. Operand 91 states and 142 transitions.
[2024-11-03 12:35:44,293 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 207
[2024-11-03 12:35:44,294 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:35:44,294 INFO  L215           NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:35:44,299 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0
[2024-11-03 12:35:44,497 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:35:44,497 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:35:44,498 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:35:44,498 INFO  L85        PathProgramCache]: Analyzing trace with hash -90100520, now seen corresponding path program 1 times
[2024-11-03 12:35:44,498 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:35:44,498 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1780498640]
[2024-11-03 12:35:44,499 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:35:44,499 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:35:44,499 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:35:44,501 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 12:35:44,503 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process
[2024-11-03 12:35:44,633 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:35:44,635 INFO  L255         TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-03 12:35:44,643 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:35:48,014 INFO  L134       CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked.
[2024-11-03 12:35:48,014 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:35:50,128 INFO  L134       CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked.
[2024-11-03 12:35:50,128 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:35:50,128 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1780498640]
[2024-11-03 12:35:50,129 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1780498640] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:35:50,129 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:35:50,129 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 6
[2024-11-03 12:35:50,129 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709989004]
[2024-11-03 12:35:50,129 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:35:50,131 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-03 12:35:50,131 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:35:50,132 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-03 12:35:50,132 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-03 12:35:50,132 INFO  L87              Difference]: Start difference. First operand 91 states and 142 transitions. Second operand  has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 2 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64)
[2024-11-03 12:35:54,707 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:35:58,716 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:36:02,970 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:36:06,977 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:36:10,980 WARN  L539   Checker$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 12:36:14,986 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:36:20,601 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:36:24,604 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:36:28,608 WARN  L539   Checker$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 12:36:32,856 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:36:36,862 WARN  L539   Checker$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 12:36:40,871 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:36:44,885 WARN  L539   Checker$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 12:36:49,269 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:36:53,277 WARN  L539   Checker$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 12:36:57,287 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:37:01,296 WARN  L539   Checker$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 12:37:05,309 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:37:09,312 WARN  L539   Checker$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 12:37:11,984 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:37:12,089 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:37:12,089 INFO  L93              Difference]: Finished difference Result 430 states and 667 transitions.
[2024-11-03 12:37:12,171 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-03 12:37:12,172 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 2 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) Word has length 206
[2024-11-03 12:37:12,173 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:37:12,177 INFO  L225             Difference]: With dead ends: 430
[2024-11-03 12:37:12,177 INFO  L226             Difference]: Without dead ends: 342
[2024-11-03 12:37:12,178 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 408 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72
[2024-11-03 12:37:12,179 INFO  L432           NwaCegarLoop]: 178 mSDtfsCounter, 385 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 234 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 81.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 234 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 81.7s IncrementalHoareTripleChecker+Time
[2024-11-03 12:37:12,180 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 608 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [234 Valid, 155 Invalid, 19 Unknown, 0 Unchecked, 81.7s Time]
[2024-11-03 12:37:12,182 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 342 states.
[2024-11-03 12:37:12,223 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 177.
[2024-11-03 12:37:12,224 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 177 states, 110 states have (on average 1.3363636363636364) internal successors, (147), 110 states have internal predecessors, (147), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64)
[2024-11-03 12:37:12,226 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 275 transitions.
[2024-11-03 12:37:12,226 INFO  L78                 Accepts]: Start accepts. Automaton has 177 states and 275 transitions. Word has length 206
[2024-11-03 12:37:12,227 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:37:12,227 INFO  L471      AbstractCegarLoop]: Abstraction has 177 states and 275 transitions.
[2024-11-03 12:37:12,228 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 2 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64)
[2024-11-03 12:37:12,228 INFO  L276                IsEmpty]: Start isEmpty. Operand 177 states and 275 transitions.
[2024-11-03 12:37:12,232 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 208
[2024-11-03 12:37:12,232 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:37:12,233 INFO  L215           NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:37:12,239 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0
[2024-11-03 12:37:12,435 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:37:12,435 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:37:12,436 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:37:12,436 INFO  L85        PathProgramCache]: Analyzing trace with hash 612162680, now seen corresponding path program 1 times
[2024-11-03 12:37:12,436 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:37:12,436 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1966351200]
[2024-11-03 12:37:12,436 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:37:12,436 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:37:12,436 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:37:12,438 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 12:37:12,438 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process
[2024-11-03 12:37:12,543 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:37:12,545 INFO  L255         TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-11-03 12:37:12,553 INFO  L278         TraceCheckSpWp]: Computing forward predicates...