/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-24.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 12:47:36,574 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 12:47:36,626 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 12:47:36,629 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 12:47:36,629 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 12:47:36,642 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 12:47:36,642 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 12:47:36,642 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 12:47:36,642 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 12:47:36,643 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 12:47:36,643 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 12:47:36,643 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 12:47:36,644 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 12:47:36,644 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 12:47:36,644 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 12:47:36,644 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 12:47:36,644 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 12:47:36,645 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 12:47:36,645 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 12:47:36,645 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 12:47:36,645 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 12:47:36,646 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 12:47:36,646 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 12:47:36,646 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 12:47:36,646 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 12:47:36,647 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 12:47:36,647 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 12:47:36,647 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 12:47:36,647 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 12:47:36,647 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 12:47:36,648 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 12:47:36,648 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 12:47:36,648 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 12:47:36,648 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 12:47:36,648 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:47:36,649 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 12:47:36,649 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 12:47:36,649 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 12:47:36,649 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 12:47:36,649 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 12:47:36,650 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 12:47:36,650 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 12:47:36,650 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 12:47:36,650 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 12:47:36,650 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla
[2024-11-03 12:47:36,815 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 12:47:36,841 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 12:47:36,843 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 12:47:36,844 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 12:47:36,845 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 12:47:36,846 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-24.i
[2024-11-03 12:47:38,084 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 12:47:38,251 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 12:47:38,252 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-24.i
[2024-11-03 12:47:38,260 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e2b56e5a/953efeed951a4a6f877f130fa59f5d69/FLAGf3250eafe
[2024-11-03 12:47:38,269 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e2b56e5a/953efeed951a4a6f877f130fa59f5d69
[2024-11-03 12:47:38,274 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 12:47:38,275 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 12:47:38,277 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 12:47:38,277 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 12:47:38,284 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 12:47:38,285 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:47:38" (1/1) ...
[2024-11-03 12:47:38,286 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ffca36f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:47:38, skipping insertion in model container
[2024-11-03 12:47:38,286 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:47:38" (1/1) ...
[2024-11-03 12:47:38,324 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 12:47:38,450 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-24.i[916,929]
[2024-11-03 12:47:38,550 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:47:38,560 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 12:47:38,570 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-24.i[916,929]
[2024-11-03 12:47:38,661 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:47:38,676 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 12:47:38,677 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:47:38 WrapperNode
[2024-11-03 12:47:38,678 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 12:47:38,678 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 12:47:38,678 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 12:47:38,679 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 12:47:38,683 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:47:38" (1/1) ...
[2024-11-03 12:47:38,697 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:47:38" (1/1) ...
[2024-11-03 12:47:38,722 INFO  L138                Inliner]: procedures = 27, calls = 57, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 344
[2024-11-03 12:47:38,722 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 12:47:38,722 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 12:47:38,722 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 12:47:38,722 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 12:47:38,732 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:47:38" (1/1) ...
[2024-11-03 12:47:38,738 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:47:38" (1/1) ...
[2024-11-03 12:47:38,747 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:47:38" (1/1) ...
[2024-11-03 12:47:38,771 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 12:47:38,771 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:47:38" (1/1) ...
[2024-11-03 12:47:38,771 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:47:38" (1/1) ...
[2024-11-03 12:47:38,800 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:47:38" (1/1) ...
[2024-11-03 12:47:38,804 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:47:38" (1/1) ...
[2024-11-03 12:47:38,814 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:47:38" (1/1) ...
[2024-11-03 12:47:38,819 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:47:38" (1/1) ...
[2024-11-03 12:47:38,827 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 12:47:38,830 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 12:47:38,830 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 12:47:38,830 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 12:47:38,831 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:47:38" (1/1) ...
[2024-11-03 12:47:38,837 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:47:38,846 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 12:47:38,859 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 12:47:38,869 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 12:47:38,886 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 12:47:38,886 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 12:47:38,886 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 12:47:38,886 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 12:47:38,886 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 12:47:38,887 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 12:47:38,970 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 12:47:38,972 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 12:48:02,814 INFO  L?                        ?]: Removed 52 outVars from TransFormulas that were not future-live.
[2024-11-03 12:48:02,814 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 12:48:02,831 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 12:48:02,831 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 12:48:02,832 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:48:02 BoogieIcfgContainer
[2024-11-03 12:48:02,832 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 12:48:02,835 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 12:48:02,835 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 12:48:02,837 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 12:48:02,837 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:47:38" (1/3) ...
[2024-11-03 12:48:02,838 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a9e2bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:48:02, skipping insertion in model container
[2024-11-03 12:48:02,838 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:47:38" (2/3) ...
[2024-11-03 12:48:02,838 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a9e2bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:48:02, skipping insertion in model container
[2024-11-03 12:48:02,839 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:48:02" (3/3) ...
[2024-11-03 12:48:02,840 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-24.i
[2024-11-03 12:48:02,851 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 12:48:02,852 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 12:48:02,914 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 12:48:02,919 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;@2180595, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 12:48:02,920 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 12:48:02,924 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 149 states, 102 states have (on average 1.5294117647058822) internal successors, (156), 103 states have internal predecessors, (156), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44)
[2024-11-03 12:48:02,940 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 289
[2024-11-03 12:48:02,940 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:48:02,941 INFO  L215           NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:48:02,941 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:48:02,945 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:48:02,945 INFO  L85        PathProgramCache]: Analyzing trace with hash 1883965914, now seen corresponding path program 1 times
[2024-11-03 12:48:02,951 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:48:02,952 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [478156938]
[2024-11-03 12:48:02,952 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:48:02,953 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:48:02,954 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:48:02,958 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 12:48:02,960 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process
[2024-11-03 12:48:03,124 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:48:03,127 INFO  L255         TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 12:48:03,140 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:48:03,208 INFO  L134       CoverageAnalysis]: Checked inductivity of 3784 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 3698 trivial. 0 not checked.
[2024-11-03 12:48:03,208 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:48:08,597 INFO  L134       CoverageAnalysis]: Checked inductivity of 3784 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 3698 trivial. 0 not checked.
[2024-11-03 12:48:08,598 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:48:08,598 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [478156938]
[2024-11-03 12:48:08,598 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [478156938] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:48:08,598 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:48:08,599 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 12:48:08,600 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731330042]
[2024-11-03 12:48:08,600 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:48:08,604 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 12:48:08,604 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:48:08,620 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 12:48:08,620 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 12:48:08,622 INFO  L87              Difference]: Start difference. First operand  has 149 states, 102 states have (on average 1.5294117647058822) internal successors, (156), 103 states have internal predecessors, (156), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand  has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 1 states have call successors, (44), 1 states have call predecessors, (44), 2 states have return successors, (44), 2 states have call predecessors, (44), 1 states have call successors, (44)
[2024-11-03 12:48:08,650 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:48:08,651 INFO  L93              Difference]: Finished difference Result 291 states and 526 transitions.
[2024-11-03 12:48:08,652 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 12:48:08,653 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 1 states have call successors, (44), 1 states have call predecessors, (44), 2 states have return successors, (44), 2 states have call predecessors, (44), 1 states have call successors, (44) Word has length 288
[2024-11-03 12:48:08,653 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:48:08,659 INFO  L225             Difference]: With dead ends: 291
[2024-11-03 12:48:08,659 INFO  L226             Difference]: Without dead ends: 145
[2024-11-03 12:48:08,663 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 574 GetRequests, 574 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 12:48:08,665 INFO  L432           NwaCegarLoop]: 237 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, 237 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 12:48:08,665 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 12:48:08,678 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 145 states.
[2024-11-03 12:48:08,710 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145.
[2024-11-03 12:48:08,712 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 145 states, 99 states have (on average 1.505050505050505) internal successors, (149), 99 states have internal predecessors, (149), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44)
[2024-11-03 12:48:08,741 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 237 transitions.
[2024-11-03 12:48:08,743 INFO  L78                 Accepts]: Start accepts. Automaton has 145 states and 237 transitions. Word has length 288
[2024-11-03 12:48:08,743 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:48:08,743 INFO  L471      AbstractCegarLoop]: Abstraction has 145 states and 237 transitions.
[2024-11-03 12:48:08,744 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 1 states have call successors, (44), 1 states have call predecessors, (44), 2 states have return successors, (44), 2 states have call predecessors, (44), 1 states have call successors, (44)
[2024-11-03 12:48:08,744 INFO  L276                IsEmpty]: Start isEmpty. Operand 145 states and 237 transitions.
[2024-11-03 12:48:08,748 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 289
[2024-11-03 12:48:08,748 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:48:08,748 INFO  L215           NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:48:08,755 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0
[2024-11-03 12:48:08,949 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:48:08,949 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:48:08,950 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:48:08,950 INFO  L85        PathProgramCache]: Analyzing trace with hash 943792842, now seen corresponding path program 1 times
[2024-11-03 12:48:08,951 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:48:08,951 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1721127074]
[2024-11-03 12:48:08,951 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:48:08,951 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:48:08,951 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:48:08,953 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 12:48:08,954 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process
[2024-11-03 12:48:09,066 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:48:09,067 INFO  L255         TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-03 12:48:09,077 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:48:25,860 INFO  L134       CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked.
[2024-11-03 12:48:25,860 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:48:36,787 INFO  L134       CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked.
[2024-11-03 12:48:36,788 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:48:36,788 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1721127074]
[2024-11-03 12:48:36,788 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1721127074] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:48:36,788 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:48:36,788 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 6
[2024-11-03 12:48:36,789 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718880554]
[2024-11-03 12:48:36,789 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:48:36,790 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-03 12:48:36,790 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:48:36,792 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-03 12:48:36,792 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-03 12:48:36,792 INFO  L87              Difference]: Start difference. First operand 145 states and 237 transitions. Second operand  has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 2 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (88), 2 states have call predecessors, (88), 2 states have call successors, (88)
[2024-11-03 12:48:42,705 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:48:46,712 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:48:50,715 WARN  L539   Checker$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 12:48:56,138 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.70s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:49:00,142 WARN  L539   Checker$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 12:49:04,148 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:49:08,163 WARN  L539   Checker$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 12:49:12,219 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:49:16,227 WARN  L539   Checker$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 12:49:20,252 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:49:24,288 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:49:24,289 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:49:24,289 INFO  L93              Difference]: Finished difference Result 490 states and 809 transitions.
[2024-11-03 12:49:24,573 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-03 12:49:24,573 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 2 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (88), 2 states have call predecessors, (88), 2 states have call successors, (88) Word has length 288
[2024-11-03 12:49:24,575 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:49:24,578 INFO  L225             Difference]: With dead ends: 490
[2024-11-03 12:49:24,578 INFO  L226             Difference]: Without dead ends: 348
[2024-11-03 12:49:24,580 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 576 GetRequests, 571 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-03 12:49:24,581 INFO  L432           NwaCegarLoop]: 233 mSDtfsCounter, 269 mSDsluCounter, 1007 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 90 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 1240 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.2s IncrementalHoareTripleChecker+Time
[2024-11-03 12:49:24,581 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 1240 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 37 Invalid, 11 Unknown, 0 Unchecked, 47.2s Time]
[2024-11-03 12:49:24,585 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 348 states.
[2024-11-03 12:49:24,639 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 226.
[2024-11-03 12:49:24,640 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 226 states, 135 states have (on average 1.3925925925925926) internal successors, (188), 135 states have internal predecessors, (188), 88 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88)
[2024-11-03 12:49:24,642 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 364 transitions.
[2024-11-03 12:49:24,642 INFO  L78                 Accepts]: Start accepts. Automaton has 226 states and 364 transitions. Word has length 288
[2024-11-03 12:49:24,644 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:49:24,644 INFO  L471      AbstractCegarLoop]: Abstraction has 226 states and 364 transitions.
[2024-11-03 12:49:24,644 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 2 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (88), 2 states have call predecessors, (88), 2 states have call successors, (88)
[2024-11-03 12:49:24,644 INFO  L276                IsEmpty]: Start isEmpty. Operand 226 states and 364 transitions.
[2024-11-03 12:49:24,651 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 290
[2024-11-03 12:49:24,652 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:49:24,652 INFO  L215           NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:49:24,664 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0
[2024-11-03 12:49:24,852 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:49:24,853 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:49:24,854 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:49:24,854 INFO  L85        PathProgramCache]: Analyzing trace with hash -385307798, now seen corresponding path program 1 times
[2024-11-03 12:49:24,854 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:49:24,854 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [588235253]
[2024-11-03 12:49:24,854 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:49:24,854 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:49:24,855 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:49:24,856 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 12:49:24,857 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process
[2024-11-03 12:49:24,963 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:49:24,965 INFO  L255         TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 12:49:24,970 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:49:26,096 INFO  L134       CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked.
[2024-11-03 12:49:26,096 INFO  L311         TraceCheckSpWp]: Computing backward predicates...