/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-6.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 12:22:53,009 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 12:22:53,096 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 12:22:53,104 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 12:22:53,105 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 12:22:53,141 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 12:22:53,143 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 12:22:53,143 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 12:22:53,144 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 12:22:53,145 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 12:22:53,146 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 12:22:53,146 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 12:22:53,146 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 12:22:53,147 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 12:22:53,147 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 12:22:53,148 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 12:22:53,150 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 12:22:53,153 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 12:22:53,153 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 12:22:53,153 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 12:22:53,154 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 12:22:53,154 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 12:22:53,154 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 12:22:53,155 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 12:22:53,155 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 12:22:53,155 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 12:22:53,155 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 12:22:53,156 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 12:22:53,156 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 12:22:53,156 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 12:22:53,157 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 12:22:53,157 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 12:22:53,159 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 12:22:53,159 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 12:22:53,159 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:22:53,160 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 12:22:53,160 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 12:22:53,160 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 12:22:53,160 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 12:22:53,161 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 12:22:53,161 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 12:22:53,162 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 12:22:53,162 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 12:22:53,162 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 12:22:53,163 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla
[2024-11-03 12:22:53,395 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 12:22:53,421 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 12:22:53,424 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 12:22:53,425 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 12:22:53,425 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 12:22:53,427 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-6.i
[2024-11-03 12:22:54,962 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 12:22:55,161 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 12:22:55,163 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-6.i
[2024-11-03 12:22:55,172 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46b072f1f/1858358e612e40e0b7485e4d3acdd2d5/FLAGe74d52862
[2024-11-03 12:22:55,190 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46b072f1f/1858358e612e40e0b7485e4d3acdd2d5
[2024-11-03 12:22:55,193 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 12:22:55,194 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 12:22:55,195 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 12:22:55,195 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 12:22:55,201 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 12:22:55,202 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:22:55" (1/1) ...
[2024-11-03 12:22:55,203 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f95ba5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:22:55, skipping insertion in model container
[2024-11-03 12:22:55,203 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:22:55" (1/1) ...
[2024-11-03 12:22:55,228 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 12:22:55,396 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-6.i[915,928]
[2024-11-03 12:22:55,445 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:22:55,459 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 12:22:55,469 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-6.i[915,928]
[2024-11-03 12:22:55,492 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:22:55,514 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 12:22:55,515 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:22:55 WrapperNode
[2024-11-03 12:22:55,515 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 12:22:55,516 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 12:22:55,516 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 12:22:55,516 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 12:22:55,522 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:22:55" (1/1) ...
[2024-11-03 12:22:55,532 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:22:55" (1/1) ...
[2024-11-03 12:22:55,554 INFO  L138                Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 127
[2024-11-03 12:22:55,555 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 12:22:55,556 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 12:22:55,556 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 12:22:55,556 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 12:22:55,565 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:22:55" (1/1) ...
[2024-11-03 12:22:55,566 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:22:55" (1/1) ...
[2024-11-03 12:22:55,569 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:22:55" (1/1) ...
[2024-11-03 12:22:55,581 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 12:22:55,581 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:22:55" (1/1) ...
[2024-11-03 12:22:55,581 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:22:55" (1/1) ...
[2024-11-03 12:22:55,589 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:22:55" (1/1) ...
[2024-11-03 12:22:55,592 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:22:55" (1/1) ...
[2024-11-03 12:22:55,594 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:22:55" (1/1) ...
[2024-11-03 12:22:55,596 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:22:55" (1/1) ...
[2024-11-03 12:22:55,599 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 12:22:55,600 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 12:22:55,600 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 12:22:55,600 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 12:22:55,601 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:22:55" (1/1) ...
[2024-11-03 12:22:55,611 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:22:55,621 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 12:22:55,638 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 12:22:55,640 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 12:22:55,661 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 12:22:55,662 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 12:22:55,662 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 12:22:55,662 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 12:22:55,662 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 12:22:55,662 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 12:22:55,732 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 12:22:55,733 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 12:22:56,058 INFO  L?                        ?]: Removed 12 outVars from TransFormulas that were not future-live.
[2024-11-03 12:22:56,059 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 12:22:56,071 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 12:22:56,071 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 12:22:56,072 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:22:56 BoogieIcfgContainer
[2024-11-03 12:22:56,072 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 12:22:56,074 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 12:22:56,074 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 12:22:56,077 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 12:22:56,078 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:22:55" (1/3) ...
[2024-11-03 12:22:56,079 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c682cde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:22:56, skipping insertion in model container
[2024-11-03 12:22:56,079 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:22:55" (2/3) ...
[2024-11-03 12:22:56,080 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c682cde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:22:56, skipping insertion in model container
[2024-11-03 12:22:56,080 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:22:56" (3/3) ...
[2024-11-03 12:22:56,081 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-6.i
[2024-11-03 12:22:56,096 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 12:22:56,096 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 12:22:56,148 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 12:22:56,154 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;@d2a8948, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 12:22:56,155 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 12:22:56,183 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 60 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23)
[2024-11-03 12:22:56,201 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 141
[2024-11-03 12:22:56,202 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:22:56,203 INFO  L215           NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:22:56,204 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:22:56,210 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:22:56,211 INFO  L85        PathProgramCache]: Analyzing trace with hash 1262268394, now seen corresponding path program 1 times
[2024-11-03 12:22:56,220 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:22:56,221 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1729651334]
[2024-11-03 12:22:56,221 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:22:56,224 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:22:56,224 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:22:56,232 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 12:22:56,233 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process
[2024-11-03 12:22:56,414 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:22:56,417 INFO  L255         TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 12:22:56,431 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:22:56,494 INFO  L134       CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked.
[2024-11-03 12:22:56,494 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:22:56,661 INFO  L134       CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked.
[2024-11-03 12:22:56,663 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:22:56,663 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1729651334]
[2024-11-03 12:22:56,665 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1729651334] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:22:56,665 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:22:56,665 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 12:22:56,667 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622699921]
[2024-11-03 12:22:56,668 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:22:56,673 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 12:22:56,674 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:22:56,699 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 12:22:56,700 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 12:22:56,701 INFO  L87              Difference]: Start difference. First operand  has 60 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand  has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23)
[2024-11-03 12:22:56,727 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:22:56,728 INFO  L93              Difference]: Finished difference Result 113 states and 199 transitions.
[2024-11-03 12:22:56,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 12:22:56,732 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) Word has length 140
[2024-11-03 12:22:56,733 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:22:56,741 INFO  L225             Difference]: With dead ends: 113
[2024-11-03 12:22:56,741 INFO  L226             Difference]: Without dead ends: 56
[2024-11-03 12:22:56,744 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 278 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 12:22:56,747 INFO  L432           NwaCegarLoop]: 84 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, 84 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 12:22:56,748 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 12:22:56,761 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 56 states.
[2024-11-03 12:22:56,779 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56.
[2024-11-03 12:22:56,780 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 56 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23)
[2024-11-03 12:22:56,781 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 84 transitions.
[2024-11-03 12:22:56,783 INFO  L78                 Accepts]: Start accepts. Automaton has 56 states and 84 transitions. Word has length 140
[2024-11-03 12:22:56,783 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:22:56,784 INFO  L471      AbstractCegarLoop]: Abstraction has 56 states and 84 transitions.
[2024-11-03 12:22:56,784 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23)
[2024-11-03 12:22:56,784 INFO  L276                IsEmpty]: Start isEmpty. Operand 56 states and 84 transitions.
[2024-11-03 12:22:56,787 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 141
[2024-11-03 12:22:56,787 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:22:56,788 INFO  L215           NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:22:56,791 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0
[2024-11-03 12:22:56,988 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:22:56,989 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:22:56,990 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:22:56,990 INFO  L85        PathProgramCache]: Analyzing trace with hash 1944451116, now seen corresponding path program 1 times
[2024-11-03 12:22:56,990 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:22:56,990 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1125449611]
[2024-11-03 12:22:56,991 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:22:56,991 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:22:56,991 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:22:56,994 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 12:22:56,995 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process
[2024-11-03 12:22:57,081 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:22:57,083 INFO  L255         TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 12:22:57,088 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:22:57,134 INFO  L134       CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked.
[2024-11-03 12:22:57,134 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:22:57,272 INFO  L134       CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked.
[2024-11-03 12:22:57,272 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:22:57,272 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1125449611]
[2024-11-03 12:22:57,273 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1125449611] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:22:57,273 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:22:57,273 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4
[2024-11-03 12:22:57,273 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287540521]
[2024-11-03 12:22:57,273 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:22:57,279 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-03 12:22:57,279 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:22:57,280 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-03 12:22:57,280 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-03 12:22:57,281 INFO  L87              Difference]: Start difference. First operand 56 states and 84 transitions. Second operand  has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23)
[2024-11-03 12:22:57,507 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:22:57,507 INFO  L93              Difference]: Finished difference Result 186 states and 277 transitions.
[2024-11-03 12:22:57,508 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-03 12:22:57,508 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 140
[2024-11-03 12:22:57,509 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:22:57,512 INFO  L225             Difference]: With dead ends: 186
[2024-11-03 12:22:57,512 INFO  L226             Difference]: Without dead ends: 133
[2024-11-03 12:22:57,513 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-03 12:22:57,514 INFO  L432           NwaCegarLoop]: 124 mSDtfsCounter, 109 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-03 12:22:57,515 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 297 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-03 12:22:57,516 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 133 states.
[2024-11-03 12:22:57,540 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 92.
[2024-11-03 12:22:57,541 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 92 states, 51 states have (on average 1.2156862745098038) internal successors, (62), 52 states have internal predecessors, (62), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38)
[2024-11-03 12:22:57,545 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 138 transitions.
[2024-11-03 12:22:57,546 INFO  L78                 Accepts]: Start accepts. Automaton has 92 states and 138 transitions. Word has length 140
[2024-11-03 12:22:57,546 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:22:57,547 INFO  L471      AbstractCegarLoop]: Abstraction has 92 states and 138 transitions.
[2024-11-03 12:22:57,547 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23)
[2024-11-03 12:22:57,547 INFO  L276                IsEmpty]: Start isEmpty. Operand 92 states and 138 transitions.
[2024-11-03 12:22:57,549 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 141
[2024-11-03 12:22:57,549 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:22:57,550 INFO  L215           NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:22:57,553 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0
[2024-11-03 12:22:57,753 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:22:57,753 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:22:57,754 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:22:57,754 INFO  L85        PathProgramCache]: Analyzing trace with hash 1135104490, now seen corresponding path program 1 times
[2024-11-03 12:22:57,754 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:22:57,755 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [886851325]
[2024-11-03 12:22:57,755 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:22:57,755 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:22:57,755 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:22:57,757 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 12:22:57,758 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process
[2024-11-03 12:22:57,828 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:22:57,830 INFO  L255         TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-03 12:22:57,835 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:22:58,147 INFO  L134       CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked.
[2024-11-03 12:22:58,148 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:22:58,355 INFO  L134       CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked.
[2024-11-03 12:22:58,357 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:22:58,358 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [886851325]
[2024-11-03 12:22:58,358 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [886851325] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:22:58,358 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:22:58,359 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 4
[2024-11-03 12:22:58,359 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136741318]
[2024-11-03 12:22:58,359 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:22:58,362 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-03 12:22:58,363 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:22:58,363 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-03 12:22:58,364 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-03 12:22:58,364 INFO  L87              Difference]: Start difference. First operand 92 states and 138 transitions. Second operand  has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46)
[2024-11-03 12:22:58,516 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:22:58,516 INFO  L93              Difference]: Finished difference Result 181 states and 273 transitions.
[2024-11-03 12:22:58,523 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 12:22:58,523 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 140
[2024-11-03 12:22:58,527 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:22:58,533 INFO  L225             Difference]: With dead ends: 181
[2024-11-03 12:22:58,533 INFO  L226             Difference]: Without dead ends: 92
[2024-11-03 12:22:58,535 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-03 12:22:58,538 INFO  L432           NwaCegarLoop]: 80 mSDtfsCounter, 52 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-03 12:22:58,539 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 80 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-03 12:22:58,540 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 92 states.
[2024-11-03 12:22:58,562 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92.
[2024-11-03 12:22:58,563 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 92 states, 51 states have (on average 1.1764705882352942) internal successors, (60), 52 states have internal predecessors, (60), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38)
[2024-11-03 12:22:58,566 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 136 transitions.
[2024-11-03 12:22:58,568 INFO  L78                 Accepts]: Start accepts. Automaton has 92 states and 136 transitions. Word has length 140
[2024-11-03 12:22:58,568 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:22:58,568 INFO  L471      AbstractCegarLoop]: Abstraction has 92 states and 136 transitions.
[2024-11-03 12:22:58,569 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46)
[2024-11-03 12:22:58,569 INFO  L276                IsEmpty]: Start isEmpty. Operand 92 states and 136 transitions.
[2024-11-03 12:22:58,571 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 141
[2024-11-03 12:22:58,573 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:22:58,574 INFO  L215           NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:22:58,578 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Forceful destruction successful, exit code 0
[2024-11-03 12:22:58,776 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:22:58,777 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:22:58,777 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:22:58,777 INFO  L85        PathProgramCache]: Analyzing trace with hash -1384855444, now seen corresponding path program 1 times
[2024-11-03 12:22:58,777 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:22:58,778 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [869324380]
[2024-11-03 12:22:58,778 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:22:58,778 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:22:58,778 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:22:58,780 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 12:22:58,781 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process
[2024-11-03 12:22:58,856 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:22:58,862 INFO  L255         TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 21 conjuncts are in the unsatisfiable core
[2024-11-03 12:22:58,870 INFO  L278         TraceCheckSpWp]: Computing forward predicates...