/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_floatingpointinfluence_no-floats_file-62.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 12:23:03,185 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 12:23:03,273 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 12:23:03,280 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 12:23:03,280 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 12:23:03,312 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 12:23:03,314 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 12:23:03,314 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 12:23:03,315 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 12:23:03,316 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 12:23:03,317 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 12:23:03,317 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 12:23:03,318 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 12:23:03,318 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 12:23:03,320 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 12:23:03,321 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 12:23:03,321 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 12:23:03,321 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 12:23:03,322 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 12:23:03,322 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 12:23:03,322 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 12:23:03,326 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 12:23:03,327 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 12:23:03,327 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 12:23:03,327 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 12:23:03,328 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 12:23:03,328 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 12:23:03,328 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 12:23:03,328 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 12:23:03,329 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 12:23:03,329 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 12:23:03,329 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 12:23:03,330 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 12:23:03,330 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 12:23:03,330 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:23:03,331 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 12:23:03,331 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 12:23:03,331 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 12:23:03,331 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 12:23:03,332 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 12:23:03,332 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 12:23:03,333 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 12:23:03,334 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 12:23:03,334 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 12:23:03,334 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla
[2024-11-03 12:23:03,569 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 12:23:03,593 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 12:23:03,599 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 12:23:03,600 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 12:23:03,601 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 12:23:03,602 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-62.i
[2024-11-03 12:23:05,083 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 12:23:05,285 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 12:23:05,286 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-62.i
[2024-11-03 12:23:05,293 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/406d375c3/e50b9a2b585e474b94a61488fe7e809e/FLAGb2949216e
[2024-11-03 12:23:05,305 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/406d375c3/e50b9a2b585e474b94a61488fe7e809e
[2024-11-03 12:23:05,308 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 12:23:05,309 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 12:23:05,310 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 12:23:05,310 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 12:23:05,316 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 12:23:05,317 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:23:05" (1/1) ...
[2024-11-03 12:23:05,318 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f3bf14c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:23:05, skipping insertion in model container
[2024-11-03 12:23:05,318 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:23:05" (1/1) ...
[2024-11-03 12:23:05,348 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 12:23:05,524 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_floatingpointinfluence_no-floats_file-62.i[916,929]
[2024-11-03 12:23:05,559 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:23:05,578 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 12:23:05,590 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_floatingpointinfluence_no-floats_file-62.i[916,929]
[2024-11-03 12:23:05,609 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:23:05,626 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 12:23:05,626 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:23:05 WrapperNode
[2024-11-03 12:23:05,626 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 12:23:05,628 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 12:23:05,628 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 12:23:05,628 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 12:23:05,634 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:23:05" (1/1) ...
[2024-11-03 12:23:05,645 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:23:05" (1/1) ...
[2024-11-03 12:23:05,665 INFO  L138                Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 89
[2024-11-03 12:23:05,666 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 12:23:05,667 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 12:23:05,667 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 12:23:05,667 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 12:23:05,676 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:23:05" (1/1) ...
[2024-11-03 12:23:05,676 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:23:05" (1/1) ...
[2024-11-03 12:23:05,679 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:23:05" (1/1) ...
[2024-11-03 12:23:05,690 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 12:23:05,690 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:23:05" (1/1) ...
[2024-11-03 12:23:05,691 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:23:05" (1/1) ...
[2024-11-03 12:23:05,697 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:23:05" (1/1) ...
[2024-11-03 12:23:05,704 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:23:05" (1/1) ...
[2024-11-03 12:23:05,710 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:23:05" (1/1) ...
[2024-11-03 12:23:05,711 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:23:05" (1/1) ...
[2024-11-03 12:23:05,717 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 12:23:05,718 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 12:23:05,718 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 12:23:05,718 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 12:23:05,719 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:23:05" (1/1) ...
[2024-11-03 12:23:05,727 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:23:05,743 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 12:23:05,764 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 12:23:05,767 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 12:23:05,799 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 12:23:05,800 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 12:23:05,800 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 12:23:05,800 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 12:23:05,801 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 12:23:05,802 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 12:23:05,886 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 12:23:05,888 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 12:23:06,177 INFO  L?                        ?]: Removed 12 outVars from TransFormulas that were not future-live.
[2024-11-03 12:23:06,178 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 12:23:06,201 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 12:23:06,202 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 12:23:06,202 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:23:06 BoogieIcfgContainer
[2024-11-03 12:23:06,203 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 12:23:06,207 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 12:23:06,207 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 12:23:06,210 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 12:23:06,210 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:23:05" (1/3) ...
[2024-11-03 12:23:06,212 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4223c559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:23:06, skipping insertion in model container
[2024-11-03 12:23:06,212 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:23:05" (2/3) ...
[2024-11-03 12:23:06,213 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4223c559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:23:06, skipping insertion in model container
[2024-11-03 12:23:06,213 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:23:06" (3/3) ...
[2024-11-03 12:23:06,214 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-62.i
[2024-11-03 12:23:06,235 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 12:23:06,235 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 12:23:06,315 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 12:23:06,324 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;@4bb79ac1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 12:23:06,325 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 12:23:06,331 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 40 states, 29 states have (on average 1.4137931034482758) internal successors, (41), 30 states have internal predecessors, (41), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2024-11-03 12:23:06,340 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2024-11-03 12:23:06,341 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:23:06,342 INFO  L215           NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:23:06,342 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:23:06,352 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:23:06,353 INFO  L85        PathProgramCache]: Analyzing trace with hash -546360006, now seen corresponding path program 1 times
[2024-11-03 12:23:06,361 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:23:06,362 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [416653352]
[2024-11-03 12:23:06,362 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:23:06,365 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:23:06,366 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:23:06,369 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 12:23:06,371 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process
[2024-11-03 12:23:06,488 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:23:06,491 INFO  L255         TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 12:23:06,503 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:23:06,564 INFO  L134       CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked.
[2024-11-03 12:23:06,564 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:23:06,639 INFO  L134       CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked.
[2024-11-03 12:23:06,640 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:23:06,640 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [416653352]
[2024-11-03 12:23:06,641 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [416653352] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:23:06,641 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:23:06,641 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 12:23:06,643 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822803266]
[2024-11-03 12:23:06,643 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:23:06,648 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 12:23:06,648 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:23:06,670 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 12:23:06,671 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 12:23:06,673 INFO  L87              Difference]: Start difference. First operand  has 40 states, 29 states have (on average 1.4137931034482758) internal successors, (41), 30 states have internal predecessors, (41), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand  has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8)
[2024-11-03 12:23:06,692 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:23:06,692 INFO  L93              Difference]: Finished difference Result 73 states and 116 transitions.
[2024-11-03 12:23:06,693 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 12:23:06,694 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 58
[2024-11-03 12:23:06,694 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:23:06,700 INFO  L225             Difference]: With dead ends: 73
[2024-11-03 12:23:06,700 INFO  L226             Difference]: Without dead ends: 36
[2024-11-03 12:23:06,703 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 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 12:23:06,706 INFO  L432           NwaCegarLoop]: 50 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, 50 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 12:23:06,706 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 12:23:06,721 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 36 states.
[2024-11-03 12:23:06,735 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36.
[2024-11-03 12:23:06,736 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 36 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 26 states have internal predecessors, (34), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2024-11-03 12:23:06,738 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 50 transitions.
[2024-11-03 12:23:06,739 INFO  L78                 Accepts]: Start accepts. Automaton has 36 states and 50 transitions. Word has length 58
[2024-11-03 12:23:06,739 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:23:06,740 INFO  L471      AbstractCegarLoop]: Abstraction has 36 states and 50 transitions.
[2024-11-03 12:23:06,740 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8)
[2024-11-03 12:23:06,740 INFO  L276                IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions.
[2024-11-03 12:23:06,742 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2024-11-03 12:23:06,742 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:23:06,742 INFO  L215           NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:23:06,747 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Forceful destruction successful, exit code 0
[2024-11-03 12:23:06,944 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:23:06,945 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:23:06,946 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:23:06,946 INFO  L85        PathProgramCache]: Analyzing trace with hash 103720250, now seen corresponding path program 1 times
[2024-11-03 12:23:06,946 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:23:06,946 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [877121369]
[2024-11-03 12:23:06,946 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:23:06,947 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:23:06,947 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:23:06,953 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 12:23:06,955 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process
[2024-11-03 12:23:07,032 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:23:07,033 INFO  L255         TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-03 12:23:07,037 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:23:07,166 INFO  L134       CoverageAnalysis]: Checked inductivity of 112 backedges. 43 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked.
[2024-11-03 12:23:07,167 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:23:07,512 INFO  L134       CoverageAnalysis]: Checked inductivity of 112 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked.
[2024-11-03 12:23:07,512 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:23:07,513 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [877121369]
[2024-11-03 12:23:07,513 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [877121369] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 12:23:07,513 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 12:23:07,513 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11
[2024-11-03 12:23:07,513 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083451882]
[2024-11-03 12:23:07,513 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 12:23:07,516 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-11-03 12:23:07,516 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:23:07,517 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-11-03 12:23:07,517 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110
[2024-11-03 12:23:07,518 INFO  L87              Difference]: Start difference. First operand 36 states and 50 transitions. Second operand  has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 10 states have internal predecessors, (36), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10)
[2024-11-03 12:23:07,999 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:23:07,999 INFO  L93              Difference]: Finished difference Result 111 states and 147 transitions.
[2024-11-03 12:23:07,999 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2024-11-03 12:23:08,000 INFO  L78                 Accepts]: Start accepts. Automaton has  has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 10 states have internal predecessors, (36), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 58
[2024-11-03 12:23:08,000 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:23:08,002 INFO  L225             Difference]: With dead ends: 111
[2024-11-03 12:23:08,002 INFO  L226             Difference]: Without dead ends: 78
[2024-11-03 12:23:08,003 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=180, Invalid=372, Unknown=0, NotChecked=0, Total=552
[2024-11-03 12:23:08,004 INFO  L432           NwaCegarLoop]: 56 mSDtfsCounter, 148 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-03 12:23:08,005 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 155 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-03 12:23:08,005 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 78 states.
[2024-11-03 12:23:08,021 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 65.
[2024-11-03 12:23:08,022 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 65 states, 43 states have (on average 1.1627906976744187) internal successors, (50), 44 states have internal predecessors, (50), 16 states have call successors, (16), 5 states have call predecessors, (16), 5 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-03 12:23:08,024 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 82 transitions.
[2024-11-03 12:23:08,025 INFO  L78                 Accepts]: Start accepts. Automaton has 65 states and 82 transitions. Word has length 58
[2024-11-03 12:23:08,025 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:23:08,025 INFO  L471      AbstractCegarLoop]: Abstraction has 65 states and 82 transitions.
[2024-11-03 12:23:08,026 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 10 states have internal predecessors, (36), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10)
[2024-11-03 12:23:08,026 INFO  L276                IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions.
[2024-11-03 12:23:08,027 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2024-11-03 12:23:08,027 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:23:08,027 INFO  L215           NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:23:08,034 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Forceful destruction successful, exit code 0
[2024-11-03 12:23:08,230 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:23:08,231 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:23:08,232 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:23:08,233 INFO  L85        PathProgramCache]: Analyzing trace with hash -1485127713, now seen corresponding path program 1 times
[2024-11-03 12:23:08,233 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:23:08,235 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2021907743]
[2024-11-03 12:23:08,235 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:23:08,236 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:23:08,236 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:23:08,239 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 12:23:08,240 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process
[2024-11-03 12:23:08,283 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:23:08,284 INFO  L255         TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 12:23:08,288 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:23:08,313 INFO  L134       CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2024-11-03 12:23:08,313 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:23:08,376 INFO  L134       CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2024-11-03 12:23:08,377 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:23:08,377 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2021907743]
[2024-11-03 12:23:08,377 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [2021907743] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:23:08,378 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:23:08,378 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 12:23:08,378 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712760427]
[2024-11-03 12:23:08,378 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:23:08,379 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 12:23:08,379 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:23:08,382 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 12:23:08,382 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 12:23:08,383 INFO  L87              Difference]: Start difference. First operand 65 states and 82 transitions. Second operand  has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8)
[2024-11-03 12:23:08,430 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:23:08,431 INFO  L93              Difference]: Finished difference Result 115 states and 146 transitions.
[2024-11-03 12:23:08,433 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 12:23:08,433 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 59
[2024-11-03 12:23:08,434 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:23:08,436 INFO  L225             Difference]: With dead ends: 115
[2024-11-03 12:23:08,438 INFO  L226             Difference]: Without dead ends: 78
[2024-11-03 12:23:08,439 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 12:23:08,440 INFO  L432           NwaCegarLoop]: 54 mSDtfsCounter, 13 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-03 12:23:08,440 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 88 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 12:23:08,441 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 78 states.
[2024-11-03 12:23:08,455 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 70.
[2024-11-03 12:23:08,456 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 70 states, 48 states have (on average 1.1458333333333333) internal successors, (55), 49 states have internal predecessors, (55), 16 states have call successors, (16), 5 states have call predecessors, (16), 5 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-03 12:23:08,457 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 87 transitions.
[2024-11-03 12:23:08,460 INFO  L78                 Accepts]: Start accepts. Automaton has 70 states and 87 transitions. Word has length 59
[2024-11-03 12:23:08,461 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:23:08,461 INFO  L471      AbstractCegarLoop]: Abstraction has 70 states and 87 transitions.
[2024-11-03 12:23:08,461 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8)
[2024-11-03 12:23:08,462 INFO  L276                IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions.
[2024-11-03 12:23:08,463 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2024-11-03 12:23:08,463 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:23:08,463 INFO  L215           NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:23:08,467 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Ended with exit code 0
[2024-11-03 12:23:08,666 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:23:08,667 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:23:08,668 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:23:08,668 INFO  L85        PathProgramCache]: Analyzing trace with hash 2000492957, now seen corresponding path program 1 times
[2024-11-03 12:23:08,668 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:23:08,668 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [121693398]
[2024-11-03 12:23:08,669 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:23:08,669 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:23:08,669 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:23:08,671 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 12:23:08,673 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process
[2024-11-03 12:23:08,716 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:23:08,718 INFO  L255         TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 18 conjuncts are in the unsatisfiable core
[2024-11-03 12:23:08,723 INFO  L278         TraceCheckSpWp]: Computing forward predicates...