/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/floats-cbmc-regression/float20.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 13:43:34,154 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 13:43:34,195 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-03 13:43:34,199 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 13:43:34,199 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 13:43:34,219 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 13:43:34,220 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 13:43:34,220 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 13:43:34,220 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 13:43:34,220 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 13:43:34,221 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 13:43:34,221 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 13:43:34,222 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 13:43:34,222 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 13:43:34,223 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 13:43:34,223 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 13:43:34,223 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 13:43:34,223 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 13:43:34,224 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 13:43:34,224 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 13:43:34,224 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 13:43:34,226 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 13:43:34,226 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 13:43:34,227 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 13:43:34,227 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 13:43:34,227 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 13:43:34,227 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 13:43:34,227 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 13:43:34,227 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 13:43:34,228 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 13:43:34,228 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 13:43:34,228 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 13:43:34,228 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 13:43:34,228 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 13:43:34,229 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 13:43:34,229 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 13:43:34,229 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 13:43:34,229 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 13:43:34,229 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 13:43:34,229 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 13:43:34,230 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 13:43:34,232 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 13:43:34,232 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 13:43:34,232 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 13:43:34,232 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla
[2024-11-03 13:43:34,395 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 13:43:34,413 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 13:43:34,415 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 13:43:34,417 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 13:43:34,417 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 13:43:34,418 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float20.i
[2024-11-03 13:43:35,519 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 13:43:35,664 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 13:43:35,664 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float20.i
[2024-11-03 13:43:35,669 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d25328e30/a3914e513d914bceadfb7013e0f0abe5/FLAG1c1e83d3b
[2024-11-03 13:43:36,088 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d25328e30/a3914e513d914bceadfb7013e0f0abe5
[2024-11-03 13:43:36,090 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 13:43:36,091 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 13:43:36,091 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 13:43:36,092 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 13:43:36,096 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 13:43:36,096 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:43:36" (1/1) ...
[2024-11-03 13:43:36,097 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@784c92e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:36, skipping insertion in model container
[2024-11-03 13:43:36,097 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:43:36" (1/1) ...
[2024-11-03 13:43:36,110 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 13:43:36,232 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float20.i[1032,1045]
[2024-11-03 13:43:36,238 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float20.i[1306,1319]
[2024-11-03 13:43:36,241 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float20.i[1464,1477]
[2024-11-03 13:43:36,242 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 13:43:36,252 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 13:43:36,263 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float20.i[1032,1045]
[2024-11-03 13:43:36,266 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float20.i[1306,1319]
[2024-11-03 13:43:36,268 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float20.i[1464,1477]
[2024-11-03 13:43:36,269 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 13:43:36,283 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 13:43:36,283 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:36 WrapperNode
[2024-11-03 13:43:36,283 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 13:43:36,284 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 13:43:36,285 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 13:43:36,285 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 13:43:36,290 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:36" (1/1) ...
[2024-11-03 13:43:36,296 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:36" (1/1) ...
[2024-11-03 13:43:36,308 INFO  L138                Inliner]: procedures = 19, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50
[2024-11-03 13:43:36,308 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 13:43:36,309 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 13:43:36,309 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 13:43:36,309 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 13:43:36,315 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:36" (1/1) ...
[2024-11-03 13:43:36,316 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:36" (1/1) ...
[2024-11-03 13:43:36,318 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:36" (1/1) ...
[2024-11-03 13:43:36,325 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-03 13:43:36,325 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:36" (1/1) ...
[2024-11-03 13:43:36,325 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:36" (1/1) ...
[2024-11-03 13:43:36,330 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:36" (1/1) ...
[2024-11-03 13:43:36,331 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:36" (1/1) ...
[2024-11-03 13:43:36,332 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:36" (1/1) ...
[2024-11-03 13:43:36,333 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:36" (1/1) ...
[2024-11-03 13:43:36,336 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 13:43:36,337 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 13:43:36,337 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 13:43:36,337 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 13:43:36,338 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:36" (1/1) ...
[2024-11-03 13:43:36,345 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 13:43:36,352 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 13:43:36,363 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-03 13:43:36,366 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-03 13:43:36,386 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 13:43:36,386 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 13:43:36,386 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 13:43:36,386 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 13:43:36,442 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 13:43:36,445 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 13:43:38,963 INFO  L?                        ?]: Removed 20 outVars from TransFormulas that were not future-live.
[2024-11-03 13:43:38,963 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 13:43:38,974 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 13:43:38,974 INFO  L316             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-03 13:43:38,975 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:43:38 BoogieIcfgContainer
[2024-11-03 13:43:38,975 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 13:43:38,977 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 13:43:38,977 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 13:43:38,979 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 13:43:38,980 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:43:36" (1/3) ...
[2024-11-03 13:43:38,980 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac41e9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:43:38, skipping insertion in model container
[2024-11-03 13:43:38,980 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:36" (2/3) ...
[2024-11-03 13:43:38,980 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac41e9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:43:38, skipping insertion in model container
[2024-11-03 13:43:38,980 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:43:38" (3/3) ...
[2024-11-03 13:43:38,981 INFO  L112   eAbstractionObserver]: Analyzing ICFG float20.i
[2024-11-03 13:43:38,992 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 13:43:38,992 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations.
[2024-11-03 13:43:39,029 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 13:43:39,033 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;@6fd2182a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 13:43:39,033 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2024-11-03 13:43:39,035 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 23 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 22 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-03 13:43:39,039 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2024-11-03 13:43:39,039 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 13:43:39,039 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-03 13:43:39,039 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 13:43:39,042 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 13:43:39,043 INFO  L85        PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times
[2024-11-03 13:43:39,048 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 13:43:39,048 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2037490891]
[2024-11-03 13:43:39,048 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 13:43:39,049 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 13:43:39,050 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:43:39,051 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 13:43:39,052 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process
[2024-11-03 13:43:39,081 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 13:43:39,082 INFO  L255         TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 13:43:39,084 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 13:43:39,096 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-03 13:43:39,096 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 13:43:39,099 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-03 13:43:39,099 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 13:43:39,100 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2037490891]
[2024-11-03 13:43:39,101 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [2037490891] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 13:43:39,101 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 13:43:39,101 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 13:43:39,102 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127184431]
[2024-11-03 13:43:39,102 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 13:43:39,105 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 13:43:39,105 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 13:43:39,122 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 13:43:39,122 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 13:43:39,124 INFO  L87              Difference]: Start difference. First operand  has 23 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 22 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-03 13:43:39,132 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 13:43:39,132 INFO  L93              Difference]: Finished difference Result 43 states and 52 transitions.
[2024-11-03 13:43:39,132 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 13:43:39,133 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2024-11-03 13:43:39,133 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 13:43:39,137 INFO  L225             Difference]: With dead ends: 43
[2024-11-03 13:43:39,138 INFO  L226             Difference]: Without dead ends: 19
[2024-11-03 13:43:39,139 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 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 13:43:39,141 INFO  L432           NwaCegarLoop]: 22 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, 22 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 13:43:39,142 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 13:43:39,154 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 19 states.
[2024-11-03 13:43:39,161 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19.
[2024-11-03 13:43:39,162 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 19 states, 16 states have (on average 1.125) internal successors, (18), 18 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-03 13:43:39,162 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions.
[2024-11-03 13:43:39,164 INFO  L78                 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 6
[2024-11-03 13:43:39,164 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 13:43:39,164 INFO  L471      AbstractCegarLoop]: Abstraction has 19 states and 18 transitions.
[2024-11-03 13:43:39,164 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-03 13:43:39,165 INFO  L276                IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions.
[2024-11-03 13:43:39,184 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2024-11-03 13:43:39,184 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 13:43:39,185 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-03 13:43:39,186 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0
[2024-11-03 13:43:39,385 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:43:39,386 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 13:43:39,387 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 13:43:39,387 INFO  L85        PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times
[2024-11-03 13:43:39,387 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 13:43:39,387 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2074056766]
[2024-11-03 13:43:39,387 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 13:43:39,387 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 13:43:39,387 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:43:39,388 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 13:43:39,389 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process
[2024-11-03 13:43:39,412 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 13:43:39,412 INFO  L255         TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-03 13:43:39,415 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 13:43:39,815 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-03 13:43:39,815 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 13:43:40,806 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-03 13:43:40,807 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 13:43:40,807 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2074056766]
[2024-11-03 13:43:40,807 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [2074056766] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 13:43:40,807 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 13:43:40,807 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 8
[2024-11-03 13:43:40,807 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259951857]
[2024-11-03 13:43:40,808 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 13:43:40,808 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-03 13:43:40,808 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 13:43:40,809 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-03 13:43:40,809 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2024-11-03 13:43:40,809 INFO  L87              Difference]: Start difference. First operand 19 states and 18 transitions. Second operand  has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-03 13:43:42,806 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 13:43:45,947 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 13:43:46,310 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 13:43:46,310 INFO  L93              Difference]: Finished difference Result 19 states and 18 transitions.
[2024-11-03 13:43:46,313 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-03 13:43:46,313 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2024-11-03 13:43:46,313 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 13:43:46,313 INFO  L225             Difference]: With dead ends: 19
[2024-11-03 13:43:46,313 INFO  L226             Difference]: Without dead ends: 17
[2024-11-03 13:43:46,314 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2024-11-03 13:43:46,315 INFO  L432           NwaCegarLoop]: 6 mSDtfsCounter, 36 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time
[2024-11-03 13:43:46,315 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 18 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time]
[2024-11-03 13:43:46,315 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 17 states.
[2024-11-03 13:43:46,316 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17.
[2024-11-03 13:43:46,316 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 17 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 16 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-03 13:43:46,317 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 16 transitions.
[2024-11-03 13:43:46,317 INFO  L78                 Accepts]: Start accepts. Automaton has 17 states and 16 transitions. Word has length 6
[2024-11-03 13:43:46,317 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 13:43:46,317 INFO  L471      AbstractCegarLoop]: Abstraction has 17 states and 16 transitions.
[2024-11-03 13:43:46,317 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-03 13:43:46,317 INFO  L276                IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions.
[2024-11-03 13:43:46,317 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-11-03 13:43:46,317 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 13:43:46,318 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 13:43:46,320 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0
[2024-11-03 13:43:46,519 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:43:46,519 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 13:43:46,520 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 13:43:46,520 INFO  L85        PathProgramCache]: Analyzing trace with hash -1928169781, now seen corresponding path program 1 times
[2024-11-03 13:43:46,520 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 13:43:46,520 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [338289506]
[2024-11-03 13:43:46,520 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 13:43:46,520 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 13:43:46,520 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:43:46,522 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 13:43:46,523 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process
[2024-11-03 13:43:46,542 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 13:43:46,543 INFO  L255         TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-03 13:43:46,544 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 13:43:56,876 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-03 13:43:56,877 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 13:44:54,163 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-03 13:44:54,163 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 13:44:54,163 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [338289506]
[2024-11-03 13:44:54,163 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [338289506] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 13:44:54,163 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 13:44:54,164 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 8
[2024-11-03 13:44:54,164 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281013972]
[2024-11-03 13:44:54,164 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 13:44:54,164 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-03 13:44:54,164 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 13:44:54,165 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-03 13:44:54,165 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=42, Unknown=3, NotChecked=0, Total=72
[2024-11-03 13:44:54,165 INFO  L87              Difference]: Start difference. First operand 17 states and 16 transitions. Second operand  has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-03 13:44:56,806 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-03 13:44:58,430 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 13:45:00,858 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 13:45:03,580 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 13:45:07,848 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 13:45:11,239 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.34s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 13:45:15,822 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-03 13:45:17,380 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 13:45:20,234 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 13:45:24,097 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.28s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 13:45:26,128 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 13:45:26,129 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 13:45:26,129 INFO  L93              Difference]: Finished difference Result 17 states and 16 transitions.
[2024-11-03 13:45:26,155 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-03 13:45:26,155 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10
[2024-11-03 13:45:26,155 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 13:45:26,155 INFO  L225             Difference]: With dead ends: 17
[2024-11-03 13:45:26,156 INFO  L226             Difference]: Without dead ends: 15
[2024-11-03 13:45:26,156 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 46.6s TimeCoverageRelationStatistics Valid=27, Invalid=42, Unknown=3, NotChecked=0, Total=72
[2024-11-03 13:45:26,156 INFO  L432           NwaCegarLoop]: 5 mSDtfsCounter, 12 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.9s IncrementalHoareTripleChecker+Time
[2024-11-03 13:45:26,157 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 13 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 31.9s Time]
[2024-11-03 13:45:26,157 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 15 states.
[2024-11-03 13:45:26,158 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15.
[2024-11-03 13:45:26,158 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 15 states, 14 states have (on average 1.0) internal successors, (14), 14 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-03 13:45:26,159 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions.
[2024-11-03 13:45:26,159 INFO  L78                 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 10
[2024-11-03 13:45:26,159 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 13:45:26,159 INFO  L471      AbstractCegarLoop]: Abstraction has 15 states and 14 transitions.
[2024-11-03 13:45:26,159 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-03 13:45:26,159 INFO  L276                IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions.
[2024-11-03 13:45:26,159 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-11-03 13:45:26,160 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 13:45:26,160 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 13:45:26,161 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Forceful destruction successful, exit code 0
[2024-11-03 13:45:26,360 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:45:26,361 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 13:45:26,361 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 13:45:26,361 INFO  L85        PathProgramCache]: Analyzing trace with hash 1162826544, now seen corresponding path program 1 times
[2024-11-03 13:45:26,361 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 13:45:26,361 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1593971254]
[2024-11-03 13:45:26,361 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 13:45:26,362 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 13:45:26,362 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:45:26,363 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 13:45:26,364 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process
[2024-11-03 13:45:26,382 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 13:45:26,383 INFO  L255         TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-03 13:45:26,384 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 13:45:27,205 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-03 13:45:27,205 INFO  L311         TraceCheckSpWp]: Computing backward predicates...