/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-2.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 12:29:25,270 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 12:29:25,356 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 12:29:25,363 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 12:29:25,364 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 12:29:25,400 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 12:29:25,400 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 12:29:25,401 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 12:29:25,402 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 12:29:25,403 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 12:29:25,404 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 12:29:25,404 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 12:29:25,405 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 12:29:25,408 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 12:29:25,409 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 12:29:25,409 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 12:29:25,409 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 12:29:25,410 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 12:29:25,410 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 12:29:25,410 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 12:29:25,410 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 12:29:25,412 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 12:29:25,412 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 12:29:25,412 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 12:29:25,413 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 12:29:25,413 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 12:29:25,413 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 12:29:25,413 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 12:29:25,414 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 12:29:25,414 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 12:29:25,414 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 12:29:25,414 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 12:29:25,415 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 12:29:25,415 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 12:29:25,416 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:29:25,416 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 12:29:25,417 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 12:29:25,417 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 12:29:25,417 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 12:29:25,417 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 12:29:25,417 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 12:29:25,418 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 12:29:25,418 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 12:29:25,418 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 12:29:25,418 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla
[2024-11-03 12:29:25,670 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 12:29:25,702 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 12:29:25,705 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 12:29:25,706 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 12:29:25,706 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 12:29:25,708 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-2.i
[2024-11-03 12:29:27,243 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 12:29:27,485 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 12:29:27,485 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-2.i
[2024-11-03 12:29:27,498 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05f31c356/d9e63ede9e0246dc9c1cc76b56ec1702/FLAG8960c2753
[2024-11-03 12:29:27,841 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05f31c356/d9e63ede9e0246dc9c1cc76b56ec1702
[2024-11-03 12:29:27,844 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 12:29:27,845 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 12:29:27,848 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 12:29:27,848 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 12:29:27,854 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 12:29:27,855 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:29:27" (1/1) ...
[2024-11-03 12:29:27,856 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a77562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:29:27, skipping insertion in model container
[2024-11-03 12:29:27,856 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:29:27" (1/1) ...
[2024-11-03 12:29:27,893 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 12:29:28,077 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-2.i[915,928]
[2024-11-03 12:29:28,189 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:29:28,210 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 12:29:28,221 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-2.i[915,928]
[2024-11-03 12:29:28,266 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:29:28,290 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 12:29:28,291 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:29:28 WrapperNode
[2024-11-03 12:29:28,291 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 12:29:28,293 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 12:29:28,293 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 12:29:28,293 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 12:29:28,301 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:29:28" (1/1) ...
[2024-11-03 12:29:28,316 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:29:28" (1/1) ...
[2024-11-03 12:29:28,348 INFO  L138                Inliner]: procedures = 27, calls = 49, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 218
[2024-11-03 12:29:28,349 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 12:29:28,350 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 12:29:28,350 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 12:29:28,350 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 12:29:28,363 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:29:28" (1/1) ...
[2024-11-03 12:29:28,363 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:29:28" (1/1) ...
[2024-11-03 12:29:28,374 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:29:28" (1/1) ...
[2024-11-03 12:29:28,400 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 12:29:28,401 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:29:28" (1/1) ...
[2024-11-03 12:29:28,401 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:29:28" (1/1) ...
[2024-11-03 12:29:28,443 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:29:28" (1/1) ...
[2024-11-03 12:29:28,448 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:29:28" (1/1) ...
[2024-11-03 12:29:28,454 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:29:28" (1/1) ...
[2024-11-03 12:29:28,456 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:29:28" (1/1) ...
[2024-11-03 12:29:28,461 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 12:29:28,462 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 12:29:28,462 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 12:29:28,463 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 12:29:28,463 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:29:28" (1/1) ...
[2024-11-03 12:29:28,473 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:29:28,493 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 12:29:28,523 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 12:29:28,532 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 12:29:28,563 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 12:29:28,564 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 12:29:28,564 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 12:29:28,565 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 12:29:28,565 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 12:29:28,566 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 12:29:28,701 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 12:29:28,703 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 12:29:46,189 INFO  L?                        ?]: Removed 24 outVars from TransFormulas that were not future-live.
[2024-11-03 12:29:46,189 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 12:29:46,211 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 12:29:46,212 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 12:29:46,212 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:29:46 BoogieIcfgContainer
[2024-11-03 12:29:46,212 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 12:29:46,215 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 12:29:46,215 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 12:29:46,218 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 12:29:46,219 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:29:27" (1/3) ...
[2024-11-03 12:29:46,219 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7de6c0e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:29:46, skipping insertion in model container
[2024-11-03 12:29:46,220 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:29:28" (2/3) ...
[2024-11-03 12:29:46,220 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7de6c0e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:29:46, skipping insertion in model container
[2024-11-03 12:29:46,220 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:29:46" (3/3) ...
[2024-11-03 12:29:46,221 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-2.i
[2024-11-03 12:29:46,238 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 12:29:46,238 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 12:29:46,304 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 12:29:46,312 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;@28bc1074, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 12:29:46,312 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 12:29:46,319 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 100 states, 61 states have (on average 1.360655737704918) internal successors, (83), 62 states have internal predecessors, (83), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36)
[2024-11-03 12:29:46,337 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 228
[2024-11-03 12:29:46,337 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:29:46,338 INFO  L215           NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:46,339 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:29:46,343 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:29:46,344 INFO  L85        PathProgramCache]: Analyzing trace with hash -203722277, now seen corresponding path program 1 times
[2024-11-03 12:29:46,353 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:29:46,353 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1317459449]
[2024-11-03 12:29:46,354 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:29:46,356 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:29:46,357 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:29:46,359 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 12:29:46,362 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process
[2024-11-03 12:29:46,598 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:29:46,602 INFO  L255         TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 12:29:46,626 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:29:46,709 INFO  L134       CoverageAnalysis]: Checked inductivity of 2520 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 2450 trivial. 0 not checked.
[2024-11-03 12:29:46,710 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:29:49,375 INFO  L134       CoverageAnalysis]: Checked inductivity of 2520 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 2450 trivial. 0 not checked.
[2024-11-03 12:29:49,380 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:29:49,381 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1317459449]
[2024-11-03 12:29:49,381 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1317459449] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:29:49,382 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:29:49,382 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 12:29:49,384 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809895471]
[2024-11-03 12:29:49,385 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:29:49,390 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 12:29:49,391 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:29:49,411 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 12:29:49,412 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 12:29:49,414 INFO  L87              Difference]: Start difference. First operand  has 100 states, 61 states have (on average 1.360655737704918) internal successors, (83), 62 states have internal predecessors, (83), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand  has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 1 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (36), 2 states have call predecessors, (36), 1 states have call successors, (36)
[2024-11-03 12:29:49,458 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:29:49,459 INFO  L93              Difference]: Finished difference Result 193 states and 340 transitions.
[2024-11-03 12:29:49,460 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 12:29:49,461 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 1 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (36), 2 states have call predecessors, (36), 1 states have call successors, (36) Word has length 227
[2024-11-03 12:29:49,461 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:29:49,469 INFO  L225             Difference]: With dead ends: 193
[2024-11-03 12:29:49,469 INFO  L226             Difference]: Without dead ends: 96
[2024-11-03 12:29:49,473 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 452 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 12:29:49,477 INFO  L432           NwaCegarLoop]: 148 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, 148 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 12:29:49,478 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 12:29:49,496 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 96 states.
[2024-11-03 12:29:49,527 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96.
[2024-11-03 12:29:49,529 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 96 states, 58 states have (on average 1.3103448275862069) internal successors, (76), 58 states have internal predecessors, (76), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36)
[2024-11-03 12:29:49,534 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 148 transitions.
[2024-11-03 12:29:49,536 INFO  L78                 Accepts]: Start accepts. Automaton has 96 states and 148 transitions. Word has length 227
[2024-11-03 12:29:49,537 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:29:49,537 INFO  L471      AbstractCegarLoop]: Abstraction has 96 states and 148 transitions.
[2024-11-03 12:29:49,538 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 1 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (36), 2 states have call predecessors, (36), 1 states have call successors, (36)
[2024-11-03 12:29:49,538 INFO  L276                IsEmpty]: Start isEmpty. Operand 96 states and 148 transitions.
[2024-11-03 12:29:49,543 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 228
[2024-11-03 12:29:49,543 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:29:49,544 INFO  L215           NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:49,548 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0
[2024-11-03 12:29:49,747 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:29:49,748 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:29:49,748 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:29:49,749 INFO  L85        PathProgramCache]: Analyzing trace with hash 767958047, now seen corresponding path program 1 times
[2024-11-03 12:29:49,749 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:29:49,749 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1033282528]
[2024-11-03 12:29:49,749 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:29:49,750 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:29:49,750 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:29:49,755 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 12:29:49,756 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process
[2024-11-03 12:29:49,932 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:29:49,934 INFO  L255         TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 12:29:49,949 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:29:50,389 INFO  L134       CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked.
[2024-11-03 12:29:50,389 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:29:53,465 INFO  L134       CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked.
[2024-11-03 12:29:53,466 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:29:53,466 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1033282528]
[2024-11-03 12:29:53,466 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1033282528] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:29:53,467 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:29:53,467 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 12:29:53,468 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513640473]
[2024-11-03 12:29:53,469 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:29:53,475 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 12:29:53,475 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:29:53,477 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 12:29:53,477 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 12:29:53,477 INFO  L87              Difference]: Start difference. First operand 96 states and 148 transitions. Second operand  has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36)
[2024-11-03 12:29:58,082 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:30:02,089 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 12:30:02,096 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:30:02,096 INFO  L93              Difference]: Finished difference Result 211 states and 323 transitions.
[2024-11-03 12:30:02,255 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 12:30:02,256 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 227
[2024-11-03 12:30:02,258 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:30:02,260 INFO  L225             Difference]: With dead ends: 211
[2024-11-03 12:30:02,260 INFO  L226             Difference]: Without dead ends: 118
[2024-11-03 12:30:02,262 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 451 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 12:30:02,263 INFO  L432           NwaCegarLoop]: 147 mSDtfsCounter, 22 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time
[2024-11-03 12:30:02,264 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 284 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time]
[2024-11-03 12:30:02,265 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 118 states.
[2024-11-03 12:30:02,285 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 106.
[2024-11-03 12:30:02,288 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 106 states, 68 states have (on average 1.338235294117647) internal successors, (91), 68 states have internal predecessors, (91), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36)
[2024-11-03 12:30:02,290 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 163 transitions.
[2024-11-03 12:30:02,292 INFO  L78                 Accepts]: Start accepts. Automaton has 106 states and 163 transitions. Word has length 227
[2024-11-03 12:30:02,294 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:30:02,294 INFO  L471      AbstractCegarLoop]: Abstraction has 106 states and 163 transitions.
[2024-11-03 12:30:02,294 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36)
[2024-11-03 12:30:02,295 INFO  L276                IsEmpty]: Start isEmpty. Operand 106 states and 163 transitions.
[2024-11-03 12:30:02,306 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 229
[2024-11-03 12:30:02,307 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:30:02,307 INFO  L215           NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:02,311 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0
[2024-11-03 12:30:02,510 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:30:02,511 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:30:02,511 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:30:02,512 INFO  L85        PathProgramCache]: Analyzing trace with hash 95140247, now seen corresponding path program 1 times
[2024-11-03 12:30:02,512 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:30:02,512 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [827926612]
[2024-11-03 12:30:02,512 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:30:02,513 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:30:02,513 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:30:02,515 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 12:30:02,516 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process
[2024-11-03 12:30:02,641 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:30:02,644 INFO  L255         TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-03 12:30:02,655 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:30:03,125 INFO  L134       CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked.
[2024-11-03 12:30:03,126 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:30:06,059 INFO  L134       CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked.
[2024-11-03 12:30:06,059 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:30:06,060 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [827926612]
[2024-11-03 12:30:06,060 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [827926612] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:30:06,060 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:30:06,060 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 12:30:06,060 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696706067]
[2024-11-03 12:30:06,061 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:30:06,062 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 12:30:06,062 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:30:06,063 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 12:30:06,063 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 12:30:06,063 INFO  L87              Difference]: Start difference. First operand 106 states and 163 transitions. Second operand  has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36)
[2024-11-03 12:30:10,812 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:30:14,822 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 12:30:14,827 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:30:14,827 INFO  L93              Difference]: Finished difference Result 255 states and 386 transitions.
[2024-11-03 12:30:14,982 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 12:30:14,983 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 228
[2024-11-03 12:30:14,984 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:30:14,986 INFO  L225             Difference]: With dead ends: 255
[2024-11-03 12:30:14,986 INFO  L226             Difference]: Without dead ends: 152
[2024-11-03 12:30:14,990 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 453 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 12:30:14,991 INFO  L432           NwaCegarLoop]: 147 mSDtfsCounter, 42 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time
[2024-11-03 12:30:14,992 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 283 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 2 Unknown, 0 Unchecked, 8.7s Time]
[2024-11-03 12:30:14,993 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 152 states.
[2024-11-03 12:30:15,012 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 149.
[2024-11-03 12:30:15,013 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 149 states, 103 states have (on average 1.3300970873786409) internal successors, (137), 104 states have internal predecessors, (137), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43)
[2024-11-03 12:30:15,014 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 223 transitions.
[2024-11-03 12:30:15,015 INFO  L78                 Accepts]: Start accepts. Automaton has 149 states and 223 transitions. Word has length 228
[2024-11-03 12:30:15,015 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:30:15,016 INFO  L471      AbstractCegarLoop]: Abstraction has 149 states and 223 transitions.
[2024-11-03 12:30:15,016 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36)
[2024-11-03 12:30:15,016 INFO  L276                IsEmpty]: Start isEmpty. Operand 149 states and 223 transitions.
[2024-11-03 12:30:15,019 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 229
[2024-11-03 12:30:15,019 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:30:15,019 INFO  L215           NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:15,023 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Ended with exit code 0
[2024-11-03 12:30:15,220 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:30:15,221 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:30:15,221 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:30:15,221 INFO  L85        PathProgramCache]: Analyzing trace with hash -714206379, now seen corresponding path program 1 times
[2024-11-03 12:30:15,222 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:30:15,222 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1619062393]
[2024-11-03 12:30:15,222 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:30:15,222 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:30:15,222 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:30:15,224 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 12:30:15,225 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process
[2024-11-03 12:30:15,506 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:30:15,511 INFO  L255         TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 48 conjuncts are in the unsatisfiable core
[2024-11-03 12:30:15,526 INFO  L278         TraceCheckSpWp]: Computing forward predicates...