/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_has-floats_file-33.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 12:06:39,700 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 12:06:39,766 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 12:06:39,770 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 12:06:39,770 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 12:06:39,795 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 12:06:39,796 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 12:06:39,797 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 12:06:39,797 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 12:06:39,799 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 12:06:39,799 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 12:06:39,799 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 12:06:39,799 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 12:06:39,800 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 12:06:39,800 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 12:06:39,800 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 12:06:39,800 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 12:06:39,800 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 12:06:39,801 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 12:06:39,801 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 12:06:39,801 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 12:06:39,807 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 12:06:39,808 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 12:06:39,808 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 12:06:39,808 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 12:06:39,808 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 12:06:39,808 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 12:06:39,808 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 12:06:39,808 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 12:06:39,809 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 12:06:39,809 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 12:06:39,809 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 12:06:39,809 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 12:06:39,809 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 12:06:39,809 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:06:39,810 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 12:06:39,810 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 12:06:39,810 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 12:06:39,810 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 12:06:39,810 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 12:06:39,810 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 12:06:39,811 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 12:06:39,811 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 12:06:39,811 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 12:06:39,811 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla
[2024-11-03 12:06:40,015 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 12:06:40,035 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 12:06:40,037 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 12:06:40,038 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 12:06:40,039 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 12:06:40,040 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-33.i
[2024-11-03 12:06:41,314 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 12:06:41,482 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 12:06:41,483 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-33.i
[2024-11-03 12:06:41,489 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72472f1a7/1465d8ac340d4e9fabfe16a6dcb4fe86/FLAG9c309fc02
[2024-11-03 12:06:41,890 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72472f1a7/1465d8ac340d4e9fabfe16a6dcb4fe86
[2024-11-03 12:06:41,892 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 12:06:41,893 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 12:06:41,894 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 12:06:41,895 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 12:06:41,898 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 12:06:41,899 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:06:41" (1/1) ...
[2024-11-03 12:06:41,899 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@90816e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:06:41, skipping insertion in model container
[2024-11-03 12:06:41,899 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:06:41" (1/1) ...
[2024-11-03 12:06:41,919 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 12:06:42,048 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_has-floats_file-33.i[917,930]
[2024-11-03 12:06:42,080 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:06:42,092 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 12:06:42,102 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_has-floats_file-33.i[917,930]
[2024-11-03 12:06:42,114 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:06:42,152 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 12:06:42,153 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:06:42 WrapperNode
[2024-11-03 12:06:42,153 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 12:06:42,154 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 12:06:42,154 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 12:06:42,154 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 12:06:42,163 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:06:42" (1/1) ...
[2024-11-03 12:06:42,177 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:06:42" (1/1) ...
[2024-11-03 12:06:42,199 INFO  L138                Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 91
[2024-11-03 12:06:42,201 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 12:06:42,202 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 12:06:42,202 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 12:06:42,202 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 12:06:42,213 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:06:42" (1/1) ...
[2024-11-03 12:06:42,214 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:06:42" (1/1) ...
[2024-11-03 12:06:42,217 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:06:42" (1/1) ...
[2024-11-03 12:06:42,226 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 12:06:42,227 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:06:42" (1/1) ...
[2024-11-03 12:06:42,227 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:06:42" (1/1) ...
[2024-11-03 12:06:42,232 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:06:42" (1/1) ...
[2024-11-03 12:06:42,235 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:06:42" (1/1) ...
[2024-11-03 12:06:42,238 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:06:42" (1/1) ...
[2024-11-03 12:06:42,239 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:06:42" (1/1) ...
[2024-11-03 12:06:42,241 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 12:06:42,242 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 12:06:42,242 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 12:06:42,242 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 12:06:42,243 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:06:42" (1/1) ...
[2024-11-03 12:06:42,249 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:06:42,259 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 12:06:42,278 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 12:06:42,281 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 12:06:42,312 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 12:06:42,313 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 12:06:42,313 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 12:06:42,313 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 12:06:42,313 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 12:06:42,313 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 12:06:42,394 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 12:06:42,396 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 12:06:43,011 INFO  L?                        ?]: Removed 12 outVars from TransFormulas that were not future-live.
[2024-11-03 12:06:43,012 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 12:06:43,021 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 12:06:43,021 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 12:06:43,022 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:06:43 BoogieIcfgContainer
[2024-11-03 12:06:43,022 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 12:06:43,024 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 12:06:43,024 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 12:06:43,026 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 12:06:43,027 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:06:41" (1/3) ...
[2024-11-03 12:06:43,027 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b626016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:06:43, skipping insertion in model container
[2024-11-03 12:06:43,027 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:06:42" (2/3) ...
[2024-11-03 12:06:43,027 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b626016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:06:43, skipping insertion in model container
[2024-11-03 12:06:43,028 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:06:43" (3/3) ...
[2024-11-03 12:06:43,029 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-33.i
[2024-11-03 12:06:43,041 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 12:06:43,041 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 12:06:43,087 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 12:06:43,092 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;@52b1e21d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 12:06:43,093 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 12:06:43,097 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 41 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9)
[2024-11-03 12:06:43,105 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2024-11-03 12:06:43,105 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:06:43,106 INFO  L215           NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:06:43,106 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:06:43,110 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:06:43,111 INFO  L85        PathProgramCache]: Analyzing trace with hash -222403520, now seen corresponding path program 1 times
[2024-11-03 12:06:43,117 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:06:43,117 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [796521508]
[2024-11-03 12:06:43,117 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:06:43,119 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:06:43,120 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:06:43,123 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 12:06:43,124 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process
[2024-11-03 12:06:43,227 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:06:43,229 INFO  L255         TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 12:06:43,233 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:06:43,257 INFO  L134       CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked.
[2024-11-03 12:06:43,257 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:06:43,329 INFO  L134       CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked.
[2024-11-03 12:06:43,330 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:06:43,330 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [796521508]
[2024-11-03 12:06:43,331 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [796521508] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:06:43,331 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:06:43,331 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 12:06:43,332 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128873084]
[2024-11-03 12:06:43,333 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:06:43,336 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 12:06:43,336 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:06:43,351 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 12:06:43,352 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 12:06:43,353 INFO  L87              Difference]: Start difference. First operand  has 41 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand  has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9)
[2024-11-03 12:06:43,368 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:06:43,369 INFO  L93              Difference]: Finished difference Result 75 states and 117 transitions.
[2024-11-03 12:06:43,369 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 12:06:43,370 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) Word has length 66
[2024-11-03 12:06:43,371 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:06:43,375 INFO  L225             Difference]: With dead ends: 75
[2024-11-03 12:06:43,375 INFO  L226             Difference]: Without dead ends: 37
[2024-11-03 12:06:43,378 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 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 12:06:43,380 INFO  L432           NwaCegarLoop]: 50 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-03 12:06:43,382 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 12:06:43,395 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 37 states.
[2024-11-03 12:06:43,407 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37.
[2024-11-03 12:06:43,408 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 37 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9)
[2024-11-03 12:06:43,409 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions.
[2024-11-03 12:06:43,410 INFO  L78                 Accepts]: Start accepts. Automaton has 37 states and 50 transitions. Word has length 66
[2024-11-03 12:06:43,411 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:06:43,411 INFO  L471      AbstractCegarLoop]: Abstraction has 37 states and 50 transitions.
[2024-11-03 12:06:43,411 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9)
[2024-11-03 12:06:43,411 INFO  L276                IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions.
[2024-11-03 12:06:43,413 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2024-11-03 12:06:43,413 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:06:43,413 INFO  L215           NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:06:43,416 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0
[2024-11-03 12:06:43,614 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:06:43,615 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:06:43,616 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:06:43,616 INFO  L85        PathProgramCache]: Analyzing trace with hash 1057703046, now seen corresponding path program 1 times
[2024-11-03 12:06:43,616 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:06:43,616 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [246183264]
[2024-11-03 12:06:43,616 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:06:43,617 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:06:43,617 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:06:43,618 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 12:06:43,619 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process
[2024-11-03 12:06:43,706 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:06:43,707 INFO  L255         TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-03 12:06:43,711 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:06:43,915 INFO  L134       CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked.
[2024-11-03 12:06:43,915 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:06:44,000 INFO  L134       CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked.
[2024-11-03 12:06:44,000 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:06:44,001 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [246183264]
[2024-11-03 12:06:44,004 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [246183264] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:06:44,004 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:06:44,004 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7
[2024-11-03 12:06:44,005 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633302552]
[2024-11-03 12:06:44,005 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:06:44,006 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-03 12:06:44,006 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:06:44,007 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-03 12:06:44,007 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2024-11-03 12:06:44,007 INFO  L87              Difference]: Start difference. First operand 37 states and 50 transitions. Second operand  has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9)
[2024-11-03 12:06:45,532 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:06:45,532 INFO  L93              Difference]: Finished difference Result 184 states and 244 transitions.
[2024-11-03 12:06:45,532 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-03 12:06:45,533 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 66
[2024-11-03 12:06:45,533 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:06:45,535 INFO  L225             Difference]: With dead ends: 184
[2024-11-03 12:06:45,536 INFO  L226             Difference]: Without dead ends: 150
[2024-11-03 12:06:45,538 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72
[2024-11-03 12:06:45,539 INFO  L432           NwaCegarLoop]: 72 mSDtfsCounter, 225 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2024-11-03 12:06:45,540 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 171 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2024-11-03 12:06:45,541 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 150 states.
[2024-11-03 12:06:45,573 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 122.
[2024-11-03 12:06:45,575 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 122 states, 86 states have (on average 1.197674418604651) internal successors, (103), 88 states have internal predecessors, (103), 29 states have call successors, (29), 6 states have call predecessors, (29), 6 states have return successors, (29), 27 states have call predecessors, (29), 29 states have call successors, (29)
[2024-11-03 12:06:45,579 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 161 transitions.
[2024-11-03 12:06:45,579 INFO  L78                 Accepts]: Start accepts. Automaton has 122 states and 161 transitions. Word has length 66
[2024-11-03 12:06:45,579 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:06:45,579 INFO  L471      AbstractCegarLoop]: Abstraction has 122 states and 161 transitions.
[2024-11-03 12:06:45,580 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9)
[2024-11-03 12:06:45,580 INFO  L276                IsEmpty]: Start isEmpty. Operand 122 states and 161 transitions.
[2024-11-03 12:06:45,583 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2024-11-03 12:06:45,583 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:06:45,583 INFO  L215           NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:06:45,590 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0
[2024-11-03 12:06:45,784 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:06:45,785 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:06:45,785 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:06:45,785 INFO  L85        PathProgramCache]: Analyzing trace with hash 1059550088, now seen corresponding path program 1 times
[2024-11-03 12:06:45,785 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:06:45,786 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2027733306]
[2024-11-03 12:06:45,786 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:06:45,786 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:06:45,786 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:06:45,787 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 12:06:45,788 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process
[2024-11-03 12:06:45,827 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:06:45,828 INFO  L255         TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-03 12:06:45,830 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:06:46,282 INFO  L134       CoverageAnalysis]: Checked inductivity of 144 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2024-11-03 12:06:46,282 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:06:46,682 INFO  L134       CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked.
[2024-11-03 12:06:46,683 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:06:46,683 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2027733306]
[2024-11-03 12:06:46,683 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [2027733306] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 12:06:46,683 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 12:06:46,683 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12
[2024-11-03 12:06:46,683 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117172408]
[2024-11-03 12:06:46,683 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 12:06:46,684 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-03 12:06:46,684 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:06:46,685 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-03 12:06:46,685 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132
[2024-11-03 12:06:46,687 INFO  L87              Difference]: Start difference. First operand 122 states and 161 transitions. Second operand  has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 4 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (18), 2 states have call predecessors, (18), 4 states have call successors, (18)
[2024-11-03 12:06:48,202 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:06:48,202 INFO  L93              Difference]: Finished difference Result 310 states and 400 transitions.
[2024-11-03 12:06:48,203 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2024-11-03 12:06:48,204 INFO  L78                 Accepts]: Start accepts. Automaton has  has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 4 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (18), 2 states have call predecessors, (18), 4 states have call successors, (18) Word has length 66
[2024-11-03 12:06:48,204 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:06:48,206 INFO  L225             Difference]: With dead ends: 310
[2024-11-03 12:06:48,207 INFO  L226             Difference]: Without dead ends: 191
[2024-11-03 12:06:48,211 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 121 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=120, Invalid=222, Unknown=0, NotChecked=0, Total=342
[2024-11-03 12:06:48,212 INFO  L432           NwaCegarLoop]: 38 mSDtfsCounter, 146 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2024-11-03 12:06:48,212 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 211 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2024-11-03 12:06:48,213 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 191 states.
[2024-11-03 12:06:48,238 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 152.
[2024-11-03 12:06:48,239 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 152 states, 104 states have (on average 1.1634615384615385) internal successors, (121), 106 states have internal predecessors, (121), 38 states have call successors, (38), 9 states have call predecessors, (38), 9 states have return successors, (38), 36 states have call predecessors, (38), 38 states have call successors, (38)
[2024-11-03 12:06:48,240 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 197 transitions.
[2024-11-03 12:06:48,240 INFO  L78                 Accepts]: Start accepts. Automaton has 152 states and 197 transitions. Word has length 66
[2024-11-03 12:06:48,241 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:06:48,241 INFO  L471      AbstractCegarLoop]: Abstraction has 152 states and 197 transitions.
[2024-11-03 12:06:48,241 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 4 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (18), 2 states have call predecessors, (18), 4 states have call successors, (18)
[2024-11-03 12:06:48,241 INFO  L276                IsEmpty]: Start isEmpty. Operand 152 states and 197 transitions.
[2024-11-03 12:06:48,242 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2024-11-03 12:06:48,242 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:06:48,242 INFO  L215           NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:06:48,245 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Ended with exit code 0
[2024-11-03 12:06:48,443 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:06:48,443 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:06:48,444 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:06:48,444 INFO  L85        PathProgramCache]: Analyzing trace with hash 666523078, now seen corresponding path program 1 times
[2024-11-03 12:06:48,444 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:06:48,444 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1787466317]
[2024-11-03 12:06:48,444 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:06:48,445 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:06:48,445 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:06:48,446 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 12:06:48,447 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process
[2024-11-03 12:06:48,487 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:06:48,488 INFO  L255         TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-03 12:06:48,492 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:06:48,685 INFO  L134       CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked.
[2024-11-03 12:06:48,685 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:06:48,766 INFO  L134       CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked.
[2024-11-03 12:06:48,767 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:06:48,767 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1787466317]
[2024-11-03 12:06:48,767 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1787466317] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:06:48,767 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:06:48,767 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9
[2024-11-03 12:06:48,768 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824744390]
[2024-11-03 12:06:48,768 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:06:48,768 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-03 12:06:48,768 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:06:48,769 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-03 12:06:48,769 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72
[2024-11-03 12:06:48,769 INFO  L87              Difference]: Start difference. First operand 152 states and 197 transitions. Second operand  has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18)
[2024-11-03 12:06:50,597 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:06:50,597 INFO  L93              Difference]: Finished difference Result 379 states and 497 transitions.
[2024-11-03 12:06:50,603 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-03 12:06:50,604 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 66
[2024-11-03 12:06:50,604 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:06:50,606 INFO  L225             Difference]: With dead ends: 379
[2024-11-03 12:06:50,606 INFO  L226             Difference]: Without dead ends: 260
[2024-11-03 12:06:50,607 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132
[2024-11-03 12:06:50,608 INFO  L432           NwaCegarLoop]: 73 mSDtfsCounter, 184 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2024-11-03 12:06:50,608 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 208 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2024-11-03 12:06:50,609 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 260 states.
[2024-11-03 12:06:50,639 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 192.
[2024-11-03 12:06:50,640 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 192 states, 133 states have (on average 1.1428571428571428) internal successors, (152), 135 states have internal predecessors, (152), 47 states have call successors, (47), 11 states have call predecessors, (47), 11 states have return successors, (47), 45 states have call predecessors, (47), 47 states have call successors, (47)
[2024-11-03 12:06:50,641 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 246 transitions.
[2024-11-03 12:06:50,642 INFO  L78                 Accepts]: Start accepts. Automaton has 192 states and 246 transitions. Word has length 66
[2024-11-03 12:06:50,642 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:06:50,642 INFO  L471      AbstractCegarLoop]: Abstraction has 192 states and 246 transitions.
[2024-11-03 12:06:50,643 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18)
[2024-11-03 12:06:50,643 INFO  L276                IsEmpty]: Start isEmpty. Operand 192 states and 246 transitions.
[2024-11-03 12:06:50,643 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2024-11-03 12:06:50,643 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:06:50,644 INFO  L215           NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:06:50,647 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Ended with exit code 0
[2024-11-03 12:06:50,845 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:06:50,846 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:06:50,846 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:06:50,846 INFO  L85        PathProgramCache]: Analyzing trace with hash 723781380, now seen corresponding path program 1 times
[2024-11-03 12:06:50,846 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:06:50,846 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1650332506]
[2024-11-03 12:06:50,847 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:06:50,847 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:06:50,847 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:06:50,848 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 12:06:50,849 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process
[2024-11-03 12:06:50,890 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:06:50,892 INFO  L255         TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 21 conjuncts are in the unsatisfiable core
[2024-11-03 12:06:50,895 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:07:43,137 INFO  L134       CoverageAnalysis]: Checked inductivity of 144 backedges. 74 proven. 30 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2024-11-03 12:07:43,137 INFO  L311         TraceCheckSpWp]: Computing backward predicates...