/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/bitvector/jain_5-2.c


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 13:36:19,040 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 13:36:19,106 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-03 13:36:19,111 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 13:36:19,111 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 13:36:19,135 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 13:36:19,137 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 13:36:19,137 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 13:36:19,138 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 13:36:19,140 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 13:36:19,140 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 13:36:19,141 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 13:36:19,141 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 13:36:19,141 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 13:36:19,141 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 13:36:19,142 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 13:36:19,142 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 13:36:19,142 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 13:36:19,142 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 13:36:19,142 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 13:36:19,142 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 13:36:19,143 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 13:36:19,143 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 13:36:19,143 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 13:36:19,143 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 13:36:19,143 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 13:36:19,144 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 13:36:19,144 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 13:36:19,144 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 13:36:19,144 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 13:36:19,144 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 13:36:19,144 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 13:36:19,145 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 13:36:19,145 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 13:36:19,145 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 13:36:19,145 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 13:36:19,145 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 13:36:19,145 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 13:36:19,146 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 13:36:19,146 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 13:36:19,146 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 13:36:19,148 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 13:36:19,148 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 13:36:19,148 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 13:36:19,148 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla
[2024-11-03 13:36:19,339 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 13:36:19,365 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 13:36:19,368 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 13:36:19,369 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 13:36:19,369 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 13:36:19,370 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/jain_5-2.c
[2024-11-03 13:36:20,663 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 13:36:20,815 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 13:36:20,816 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector/jain_5-2.c
[2024-11-03 13:36:20,821 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7449b18e1/931f7bac602d445fae26a7bf270a1a92/FLAG6a78dc970
[2024-11-03 13:36:20,832 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7449b18e1/931f7bac602d445fae26a7bf270a1a92
[2024-11-03 13:36:20,834 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 13:36:20,835 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 13:36:20,836 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 13:36:20,837 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 13:36:20,841 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 13:36:20,841 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:36:20" (1/1) ...
[2024-11-03 13:36:20,842 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d912762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:20, skipping insertion in model container
[2024-11-03 13:36:20,842 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:36:20" (1/1) ...
[2024-11-03 13:36:20,857 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 13:36:20,987 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector/jain_5-2.c[665,678]
[2024-11-03 13:36:20,996 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 13:36:21,005 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 13:36:21,013 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector/jain_5-2.c[665,678]
[2024-11-03 13:36:21,015 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 13:36:21,028 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 13:36:21,029 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:21 WrapperNode
[2024-11-03 13:36:21,029 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 13:36:21,030 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 13:36:21,033 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 13:36:21,033 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 13:36:21,038 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:21" (1/1) ...
[2024-11-03 13:36:21,043 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:21" (1/1) ...
[2024-11-03 13:36:21,054 INFO  L138                Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 28
[2024-11-03 13:36:21,054 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 13:36:21,055 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 13:36:21,055 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 13:36:21,055 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 13:36:21,062 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:21" (1/1) ...
[2024-11-03 13:36:21,062 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:21" (1/1) ...
[2024-11-03 13:36:21,063 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:21" (1/1) ...
[2024-11-03 13:36:21,070 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-03 13:36:21,071 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:21" (1/1) ...
[2024-11-03 13:36:21,071 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:21" (1/1) ...
[2024-11-03 13:36:21,073 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:21" (1/1) ...
[2024-11-03 13:36:21,075 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:21" (1/1) ...
[2024-11-03 13:36:21,076 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:21" (1/1) ...
[2024-11-03 13:36:21,076 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:21" (1/1) ...
[2024-11-03 13:36:21,078 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 13:36:21,078 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 13:36:21,078 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 13:36:21,078 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 13:36:21,079 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:21" (1/1) ...
[2024-11-03 13:36:21,085 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 13:36:21,094 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 13:36:21,117 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-03 13:36:21,121 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-03 13:36:21,140 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 13:36:21,140 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 13:36:21,141 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 13:36:21,141 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 13:36:21,197 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 13:36:21,200 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 13:36:21,284 INFO  L?                        ?]: Removed 5 outVars from TransFormulas that were not future-live.
[2024-11-03 13:36:21,284 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 13:36:21,294 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 13:36:21,295 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 13:36:21,295 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:36:21 BoogieIcfgContainer
[2024-11-03 13:36:21,295 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 13:36:21,298 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 13:36:21,299 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 13:36:21,301 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 13:36:21,301 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:36:20" (1/3) ...
[2024-11-03 13:36:21,302 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68485ab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:36:21, skipping insertion in model container
[2024-11-03 13:36:21,302 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:21" (2/3) ...
[2024-11-03 13:36:21,302 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68485ab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:36:21, skipping insertion in model container
[2024-11-03 13:36:21,303 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:36:21" (3/3) ...
[2024-11-03 13:36:21,304 INFO  L112   eAbstractionObserver]: Analyzing ICFG jain_5-2.c
[2024-11-03 13:36:21,319 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 13:36:21,320 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 13:36:21,370 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 13:36:21,376 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;@1082e93c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 13:36:21,376 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 13:36:21,380 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-03 13:36:21,385 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2024-11-03 13:36:21,386 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 13:36:21,386 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2024-11-03 13:36:21,386 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 13:36:21,392 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 13:36:21,392 INFO  L85        PathProgramCache]: Analyzing trace with hash 28699754, now seen corresponding path program 1 times
[2024-11-03 13:36:21,399 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 13:36:21,399 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [38674377]
[2024-11-03 13:36:21,400 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 13:36:21,401 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 13:36:21,402 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:36:21,404 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 13:36:21,405 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process
[2024-11-03 13:36:21,449 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 13:36:21,450 INFO  L255         TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-03 13:36:21,457 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 13:36:21,563 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-03 13:36:21,563 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 13:36:21,602 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-03 13:36:21,603 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 13:36:21,603 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [38674377]
[2024-11-03 13:36:21,605 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [38674377] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 13:36:21,606 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 13:36:21,606 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6
[2024-11-03 13:36:21,607 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566760650]
[2024-11-03 13:36:21,608 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 13:36:21,611 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-03 13:36:21,611 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 13:36:21,626 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-03 13:36:21,627 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-03 13:36:21,629 INFO  L87              Difference]: Start difference. First operand  has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-03 13:36:21,686 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 13:36:21,686 INFO  L93              Difference]: Finished difference Result 21 states and 32 transitions.
[2024-11-03 13:36:21,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-03 13:36:21,692 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5
[2024-11-03 13:36:21,692 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 13:36:21,697 INFO  L225             Difference]: With dead ends: 21
[2024-11-03 13:36:21,697 INFO  L226             Difference]: Without dead ends: 12
[2024-11-03 13:36:21,699 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2024-11-03 13:36:21,702 INFO  L432           NwaCegarLoop]: 5 mSDtfsCounter, 2 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-03 13:36:21,702 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 16 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 13:36:21,714 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 12 states.
[2024-11-03 13:36:21,741 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12.
[2024-11-03 13:36:21,742 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-03 13:36:21,743 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions.
[2024-11-03 13:36:21,744 INFO  L78                 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 5
[2024-11-03 13:36:21,744 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 13:36:21,744 INFO  L471      AbstractCegarLoop]: Abstraction has 12 states and 12 transitions.
[2024-11-03 13:36:21,744 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-03 13:36:21,744 INFO  L276                IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions.
[2024-11-03 13:36:21,744 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-03 13:36:21,745 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 13:36:21,745 INFO  L215           NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1]
[2024-11-03 13:36:21,748 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0
[2024-11-03 13:36:21,946 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:36:21,946 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 13:36:21,946 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 13:36:21,947 INFO  L85        PathProgramCache]: Analyzing trace with hash -1534070422, now seen corresponding path program 1 times
[2024-11-03 13:36:21,947 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 13:36:21,947 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1495174246]
[2024-11-03 13:36:21,947 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 13:36:21,947 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 13:36:21,947 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:36:21,948 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 13:36:21,949 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process
[2024-11-03 13:36:21,977 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 13:36:21,978 INFO  L255         TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-11-03 13:36:21,984 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 13:36:22,108 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-03 13:36:22,108 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 13:36:22,250 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-03 13:36:22,250 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 13:36:22,251 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1495174246]
[2024-11-03 13:36:22,251 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1495174246] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 13:36:22,251 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 13:36:22,251 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10
[2024-11-03 13:36:22,251 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539407950]
[2024-11-03 13:36:22,251 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 13:36:22,252 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-03 13:36:22,253 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 13:36:22,254 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-03 13:36:22,254 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90
[2024-11-03 13:36:22,255 INFO  L87              Difference]: Start difference. First operand 12 states and 12 transitions. Second operand  has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-03 13:36:22,479 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 13:36:22,480 INFO  L93              Difference]: Finished difference Result 26 states and 29 transitions.
[2024-11-03 13:36:22,480 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2024-11-03 13:36:22,480 INFO  L78                 Accepts]: Start accepts. Automaton has  has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11
[2024-11-03 13:36:22,480 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 13:36:22,481 INFO  L225             Difference]: With dead ends: 26
[2024-11-03 13:36:22,481 INFO  L226             Difference]: Without dead ends: 24
[2024-11-03 13:36:22,481 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272
[2024-11-03 13:36:22,482 INFO  L432           NwaCegarLoop]: 6 mSDtfsCounter, 2 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-03 13:36:22,483 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 28 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-03 13:36:22,483 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 24 states.
[2024-11-03 13:36:22,486 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24.
[2024-11-03 13:36:22,487 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 24 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 23 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-03 13:36:22,487 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions.
[2024-11-03 13:36:22,487 INFO  L78                 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 11
[2024-11-03 13:36:22,487 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 13:36:22,487 INFO  L471      AbstractCegarLoop]: Abstraction has 24 states and 24 transitions.
[2024-11-03 13:36:22,488 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-03 13:36:22,488 INFO  L276                IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions.
[2024-11-03 13:36:22,488 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2024-11-03 13:36:22,488 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 13:36:22,488 INFO  L215           NwaCegarLoop]: trace histogram [7, 6, 6, 1, 1, 1, 1]
[2024-11-03 13:36:22,490 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0
[2024-11-03 13:36:22,690 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:36:22,690 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 13:36:22,691 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 13:36:22,691 INFO  L85        PathProgramCache]: Analyzing trace with hash 1980545898, now seen corresponding path program 2 times
[2024-11-03 13:36:22,691 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 13:36:22,691 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [419189700]
[2024-11-03 13:36:22,691 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 13:36:22,691 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 13:36:22,692 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:36:22,694 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 13:36:22,695 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process
[2024-11-03 13:36:22,714 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 13:36:22,715 INFO  L255         TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 18 conjuncts are in the unsatisfiable core
[2024-11-03 13:36:22,716 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 13:36:22,889 INFO  L134       CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-03 13:36:22,890 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 13:36:23,287 INFO  L134       CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-03 13:36:23,287 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 13:36:23,287 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [419189700]
[2024-11-03 13:36:23,287 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [419189700] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 13:36:23,287 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 13:36:23,287 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18
[2024-11-03 13:36:23,288 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826756527]
[2024-11-03 13:36:23,288 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 13:36:23,291 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 18 states
[2024-11-03 13:36:23,291 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 13:36:23,292 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2024-11-03 13:36:23,292 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306
[2024-11-03 13:36:23,293 INFO  L87              Difference]: Start difference. First operand 24 states and 24 transitions. Second operand  has 18 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 18 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-03 13:36:24,625 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 13:36:24,625 INFO  L93              Difference]: Finished difference Result 50 states and 57 transitions.
[2024-11-03 13:36:24,626 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2024-11-03 13:36:24,626 INFO  L78                 Accepts]: Start accepts. Automaton has  has 18 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 18 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23
[2024-11-03 13:36:24,626 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 13:36:24,627 INFO  L225             Difference]: With dead ends: 50
[2024-11-03 13:36:24,627 INFO  L226             Difference]: Without dead ends: 48
[2024-11-03 13:36:24,627 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=427, Invalid=905, Unknown=0, NotChecked=0, Total=1332
[2024-11-03 13:36:24,631 INFO  L432           NwaCegarLoop]: 10 mSDtfsCounter, 2 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-03 13:36:24,631 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 86 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-03 13:36:24,632 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 48 states.
[2024-11-03 13:36:24,644 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48.
[2024-11-03 13:36:24,644 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 48 states, 47 states have (on average 1.0212765957446808) internal successors, (48), 47 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-03 13:36:24,646 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions.
[2024-11-03 13:36:24,646 INFO  L78                 Accepts]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 23
[2024-11-03 13:36:24,647 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 13:36:24,647 INFO  L471      AbstractCegarLoop]: Abstraction has 48 states and 48 transitions.
[2024-11-03 13:36:24,647 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 18 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 18 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-03 13:36:24,647 INFO  L276                IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions.
[2024-11-03 13:36:24,648 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2024-11-03 13:36:24,648 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 13:36:24,649 INFO  L215           NwaCegarLoop]: trace histogram [15, 14, 14, 1, 1, 1, 1]
[2024-11-03 13:36:24,651 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Forceful destruction successful, exit code 0
[2024-11-03 13:36:24,849 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:36:24,850 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 13:36:24,850 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 13:36:24,851 INFO  L85        PathProgramCache]: Analyzing trace with hash -1964421270, now seen corresponding path program 3 times
[2024-11-03 13:36:24,851 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 13:36:24,851 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [404580863]
[2024-11-03 13:36:24,851 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 13:36:24,851 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 13:36:24,851 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:36:24,853 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 13:36:24,854 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process
[2024-11-03 13:36:24,882 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 13:36:24,883 INFO  L255         TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 34 conjuncts are in the unsatisfiable core
[2024-11-03 13:36:24,886 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 13:36:25,235 INFO  L134       CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-03 13:36:25,235 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 13:36:26,626 INFO  L134       CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-03 13:36:26,627 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 13:36:26,627 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [404580863]
[2024-11-03 13:36:26,627 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [404580863] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 13:36:26,627 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 13:36:26,627 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34
[2024-11-03 13:36:26,627 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592828403]
[2024-11-03 13:36:26,627 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 13:36:26,628 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 34 states
[2024-11-03 13:36:26,628 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 13:36:26,629 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants.
[2024-11-03 13:36:26,629 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=291, Invalid=831, Unknown=0, NotChecked=0, Total=1122
[2024-11-03 13:36:26,629 INFO  L87              Difference]: Start difference. First operand 48 states and 48 transitions. Second operand  has 34 states, 34 states have (on average 2.7058823529411766) internal successors, (92), 34 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-03 13:36:35,201 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 13:36:35,202 INFO  L93              Difference]: Finished difference Result 98 states and 113 transitions.
[2024-11-03 13:36:35,202 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. 
[2024-11-03 13:36:35,202 INFO  L78                 Accepts]: Start accepts. Automaton has  has 34 states, 34 states have (on average 2.7058823529411766) internal successors, (92), 34 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47
[2024-11-03 13:36:35,202 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 13:36:35,203 INFO  L225             Difference]: With dead ends: 98
[2024-11-03 13:36:35,203 INFO  L226             Difference]: Without dead ends: 96
[2024-11-03 13:36:35,206 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1114 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=1815, Invalid=4037, Unknown=0, NotChecked=0, Total=5852
[2024-11-03 13:36:35,206 INFO  L432           NwaCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-03 13:36:35,207 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 280 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-03 13:36:35,208 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 96 states.
[2024-11-03 13:36:35,222 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96.
[2024-11-03 13:36:35,222 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 96 states, 95 states have (on average 1.0105263157894737) internal successors, (96), 95 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-03 13:36:35,223 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 96 transitions.
[2024-11-03 13:36:35,223 INFO  L78                 Accepts]: Start accepts. Automaton has 96 states and 96 transitions. Word has length 47
[2024-11-03 13:36:35,223 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 13:36:35,223 INFO  L471      AbstractCegarLoop]: Abstraction has 96 states and 96 transitions.
[2024-11-03 13:36:35,224 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 34 states, 34 states have (on average 2.7058823529411766) internal successors, (92), 34 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-03 13:36:35,224 INFO  L276                IsEmpty]: Start isEmpty. Operand 96 states and 96 transitions.
[2024-11-03 13:36:35,235 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 96
[2024-11-03 13:36:35,235 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 13:36:35,235 INFO  L215           NwaCegarLoop]: trace histogram [31, 30, 30, 1, 1, 1, 1]
[2024-11-03 13:36:35,240 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Ended with exit code 0
[2024-11-03 13:36:35,436 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:36:35,436 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 13:36:35,437 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 13:36:35,437 INFO  L85        PathProgramCache]: Analyzing trace with hash -1305577622, now seen corresponding path program 4 times
[2024-11-03 13:36:35,437 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 13:36:35,437 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [138711211]
[2024-11-03 13:36:35,437 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 13:36:35,437 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 13:36:35,437 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:36:35,439 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 13:36:35,440 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process
[2024-11-03 13:36:35,480 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 13:36:35,481 INFO  L255         TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 66 conjuncts are in the unsatisfiable core
[2024-11-03 13:36:35,484 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 13:36:36,213 INFO  L134       CoverageAnalysis]: Checked inductivity of 1365 backedges. 0 proven. 1365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-03 13:36:36,213 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 13:36:41,591 INFO  L134       CoverageAnalysis]: Checked inductivity of 1365 backedges. 0 proven. 1365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-03 13:36:41,591 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 13:36:41,591 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [138711211]
[2024-11-03 13:36:41,592 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [138711211] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 13:36:41,592 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 13:36:41,592 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 66
[2024-11-03 13:36:41,592 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157898233]
[2024-11-03 13:36:41,592 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 13:36:41,594 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 66 states
[2024-11-03 13:36:41,594 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 13:36:41,595 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants.
[2024-11-03 13:36:41,596 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1091, Invalid=3199, Unknown=0, NotChecked=0, Total=4290
[2024-11-03 13:36:41,596 INFO  L87              Difference]: Start difference. First operand 96 states and 96 transitions. Second operand  has 66 states, 66 states have (on average 2.8484848484848486) internal successors, (188), 66 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-03 13:37:53,983 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 13:37:53,983 INFO  L93              Difference]: Finished difference Result 194 states and 225 transitions.
[2024-11-03 13:37:53,984 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. 
[2024-11-03 13:37:53,984 INFO  L78                 Accepts]: Start accepts. Automaton has  has 66 states, 66 states have (on average 2.8484848484848486) internal successors, (188), 66 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95
[2024-11-03 13:37:53,985 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 13:37:53,986 INFO  L225             Difference]: With dead ends: 194
[2024-11-03 13:37:53,986 INFO  L226             Difference]: Without dead ends: 192
[2024-11-03 13:37:53,990 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5026 ImplicationChecksByTransitivity, 75.9s TimeCoverageRelationStatistics Valid=7471, Invalid=17021, Unknown=0, NotChecked=0, Total=24492
[2024-11-03 13:37:53,991 INFO  L432           NwaCegarLoop]: 34 mSDtfsCounter, 2 mSDsluCounter, 1030 mSDsCounter, 0 mSdLazyCounter, 2108 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1064 SdHoareTripleChecker+Invalid, 2170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 2108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2024-11-03 13:37:53,991 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1064 Invalid, 2170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 2108 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2024-11-03 13:37:53,992 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 192 states.
[2024-11-03 13:37:54,044 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192.
[2024-11-03 13:37:54,044 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 192 states, 191 states have (on average 1.0052356020942408) internal successors, (192), 191 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-03 13:37:54,045 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 192 transitions.
[2024-11-03 13:37:54,045 INFO  L78                 Accepts]: Start accepts. Automaton has 192 states and 192 transitions. Word has length 95
[2024-11-03 13:37:54,046 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 13:37:54,046 INFO  L471      AbstractCegarLoop]: Abstraction has 192 states and 192 transitions.
[2024-11-03 13:37:54,046 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 66 states, 66 states have (on average 2.8484848484848486) internal successors, (188), 66 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-03 13:37:54,046 INFO  L276                IsEmpty]: Start isEmpty. Operand 192 states and 192 transitions.
[2024-11-03 13:37:54,048 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 192
[2024-11-03 13:37:54,048 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 13:37:54,048 INFO  L215           NwaCegarLoop]: trace histogram [63, 62, 62, 1, 1, 1, 1]
[2024-11-03 13:37:54,050 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Ended with exit code 0
[2024-11-03 13:37:54,249 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:37:54,250 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 13:37:54,250 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 13:37:54,250 INFO  L85        PathProgramCache]: Analyzing trace with hash -1494694038, now seen corresponding path program 5 times
[2024-11-03 13:37:54,250 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 13:37:54,250 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [744675095]
[2024-11-03 13:37:54,250 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 13:37:54,250 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 13:37:54,250 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:37:54,251 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 13:37:54,252 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Waiting until timeout for monitored process
[2024-11-03 13:37:54,322 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 13:37:54,325 INFO  L255         TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 130 conjuncts are in the unsatisfiable core
[2024-11-03 13:37:54,337 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 13:37:56,722 INFO  L134       CoverageAnalysis]: Checked inductivity of 5797 backedges. 0 proven. 5797 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-03 13:37:56,723 INFO  L311         TraceCheckSpWp]: Computing backward predicates...