/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-10.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 12:28:06,021 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 12:28:06,075 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 12:28:06,082 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 12:28:06,083 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 12:28:06,121 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 12:28:06,121 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 12:28:06,122 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 12:28:06,124 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 12:28:06,125 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 12:28:06,125 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 12:28:06,125 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 12:28:06,126 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 12:28:06,126 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 12:28:06,127 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 12:28:06,127 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 12:28:06,129 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 12:28:06,129 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 12:28:06,130 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 12:28:06,130 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 12:28:06,130 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 12:28:06,135 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 12:28:06,135 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 12:28:06,135 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 12:28:06,135 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 12:28:06,136 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 12:28:06,136 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 12:28:06,136 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 12:28:06,136 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 12:28:06,137 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 12:28:06,137 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 12:28:06,137 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 12:28:06,137 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 12:28:06,138 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 12:28:06,138 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:28:06,141 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 12:28:06,141 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 12:28:06,141 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 12:28:06,142 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 12:28:06,142 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 12:28:06,142 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 12:28:06,142 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 12:28:06,142 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 12:28:06,142 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 12:28:06,143 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla
[2024-11-03 12:28:06,388 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 12:28:06,415 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 12:28:06,418 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 12:28:06,419 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 12:28:06,419 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 12:28:06,421 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-10.i
[2024-11-03 12:28:07,937 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 12:28:08,150 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 12:28:08,151 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-10.i
[2024-11-03 12:28:08,160 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfce97b72/d6f250174aa54fd6b4a57cc1fe7b73ab/FLAG64464403c
[2024-11-03 12:28:08,175 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfce97b72/d6f250174aa54fd6b4a57cc1fe7b73ab
[2024-11-03 12:28:08,177 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 12:28:08,179 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 12:28:08,180 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 12:28:08,180 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 12:28:08,185 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 12:28:08,185 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:28:08" (1/1) ...
[2024-11-03 12:28:08,186 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61f1a18a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:28:08, skipping insertion in model container
[2024-11-03 12:28:08,186 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:28:08" (1/1) ...
[2024-11-03 12:28:08,222 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 12:28:08,409 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-10.i[916,929]
[2024-11-03 12:28:08,503 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:28:08,523 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 12:28:08,537 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-10.i[916,929]
[2024-11-03 12:28:08,586 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:28:08,608 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 12:28:08,608 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:28:08 WrapperNode
[2024-11-03 12:28:08,609 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 12:28:08,610 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 12:28:08,610 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 12:28:08,610 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 12:28:08,616 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:28:08" (1/1) ...
[2024-11-03 12:28:08,629 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:28:08" (1/1) ...
[2024-11-03 12:28:08,664 INFO  L138                Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 204
[2024-11-03 12:28:08,664 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 12:28:08,665 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 12:28:08,665 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 12:28:08,665 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 12:28:08,681 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:28:08" (1/1) ...
[2024-11-03 12:28:08,681 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:28:08" (1/1) ...
[2024-11-03 12:28:08,690 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:28:08" (1/1) ...
[2024-11-03 12:28:08,708 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 12:28:08,708 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:28:08" (1/1) ...
[2024-11-03 12:28:08,708 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:28:08" (1/1) ...
[2024-11-03 12:28:08,720 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:28:08" (1/1) ...
[2024-11-03 12:28:08,724 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:28:08" (1/1) ...
[2024-11-03 12:28:08,727 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:28:08" (1/1) ...
[2024-11-03 12:28:08,733 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:28:08" (1/1) ...
[2024-11-03 12:28:08,741 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 12:28:08,742 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 12:28:08,743 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 12:28:08,743 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 12:28:08,744 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:28:08" (1/1) ...
[2024-11-03 12:28:08,750 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:28:08,761 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 12:28:08,779 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 12:28:08,786 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 12:28:08,813 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 12:28:08,813 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 12:28:08,813 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 12:28:08,813 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 12:28:08,814 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 12:28:08,814 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 12:28:08,970 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 12:28:08,973 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 12:28:17,229 INFO  L?                        ?]: Removed 30 outVars from TransFormulas that were not future-live.
[2024-11-03 12:28:17,229 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 12:28:17,247 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 12:28:17,248 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 12:28:17,250 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:28:17 BoogieIcfgContainer
[2024-11-03 12:28:17,250 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 12:28:17,252 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 12:28:17,252 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 12:28:17,256 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 12:28:17,256 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:28:08" (1/3) ...
[2024-11-03 12:28:17,257 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ace093c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:28:17, skipping insertion in model container
[2024-11-03 12:28:17,258 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:28:08" (2/3) ...
[2024-11-03 12:28:17,259 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ace093c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:28:17, skipping insertion in model container
[2024-11-03 12:28:17,259 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:28:17" (3/3) ...
[2024-11-03 12:28:17,260 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-10.i
[2024-11-03 12:28:17,277 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 12:28:17,277 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 12:28:17,341 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 12:28:17,347 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;@297ed7f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 12:28:17,347 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 12:28:17,352 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 91 states, 60 states have (on average 1.4166666666666667) internal successors, (85), 61 states have internal predecessors, (85), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28)
[2024-11-03 12:28:17,367 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 187
[2024-11-03 12:28:17,367 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:28:17,368 INFO  L215           NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:28:17,369 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:28:17,374 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:28:17,374 INFO  L85        PathProgramCache]: Analyzing trace with hash -1130802316, now seen corresponding path program 1 times
[2024-11-03 12:28:17,384 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:28:17,385 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1872608606]
[2024-11-03 12:28:17,385 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:28:17,387 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:28:17,388 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:28:17,390 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 12:28:17,392 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process
[2024-11-03 12:28:17,579 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:28:17,582 INFO  L255         TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 12:28:17,599 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:28:17,670 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked.
[2024-11-03 12:28:17,670 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:28:18,616 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked.
[2024-11-03 12:28:18,617 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:28:18,620 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1872608606]
[2024-11-03 12:28:18,621 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1872608606] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:28:18,621 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:28:18,621 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 12:28:18,623 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090146565]
[2024-11-03 12:28:18,624 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:28:18,628 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 12:28:18,629 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:28:18,652 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 12:28:18,653 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 12:28:18,655 INFO  L87              Difference]: Start difference. First operand  has 91 states, 60 states have (on average 1.4166666666666667) internal successors, (85), 61 states have internal predecessors, (85), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand  has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 1 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 1 states have call successors, (28)
[2024-11-03 12:28:18,683 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:28:18,684 INFO  L93              Difference]: Finished difference Result 175 states and 304 transitions.
[2024-11-03 12:28:18,685 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 12:28:18,686 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 1 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 1 states have call successors, (28) Word has length 186
[2024-11-03 12:28:18,687 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:28:18,694 INFO  L225             Difference]: With dead ends: 175
[2024-11-03 12:28:18,694 INFO  L226             Difference]: Without dead ends: 87
[2024-11-03 12:28:18,698 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 370 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 12:28:18,701 INFO  L432           NwaCegarLoop]: 133 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, 133 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 12:28:18,702 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 12:28:18,718 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 87 states.
[2024-11-03 12:28:18,740 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87.
[2024-11-03 12:28:18,743 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 87 states, 57 states have (on average 1.3508771929824561) internal successors, (77), 57 states have internal predecessors, (77), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28)
[2024-11-03 12:28:18,745 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 133 transitions.
[2024-11-03 12:28:18,748 INFO  L78                 Accepts]: Start accepts. Automaton has 87 states and 133 transitions. Word has length 186
[2024-11-03 12:28:18,748 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:28:18,748 INFO  L471      AbstractCegarLoop]: Abstraction has 87 states and 133 transitions.
[2024-11-03 12:28:18,749 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 1 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 1 states have call successors, (28)
[2024-11-03 12:28:18,749 INFO  L276                IsEmpty]: Start isEmpty. Operand 87 states and 133 transitions.
[2024-11-03 12:28:18,757 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 187
[2024-11-03 12:28:18,758 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:28:18,758 INFO  L215           NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:28:18,763 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0
[2024-11-03 12:28:18,962 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:28:18,963 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:28:18,964 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:28:18,964 INFO  L85        PathProgramCache]: Analyzing trace with hash 1177038068, now seen corresponding path program 1 times
[2024-11-03 12:28:18,964 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:28:18,965 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1796770882]
[2024-11-03 12:28:18,965 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:28:18,965 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:28:18,965 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:28:18,967 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 12:28:18,968 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process
[2024-11-03 12:28:19,132 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:28:19,135 INFO  L255         TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-03 12:28:19,145 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:28:19,381 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked.
[2024-11-03 12:28:19,381 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:28:20,469 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked.
[2024-11-03 12:28:20,469 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:28:20,469 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1796770882]
[2024-11-03 12:28:20,470 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1796770882] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:28:20,470 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:28:20,470 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5
[2024-11-03 12:28:20,470 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29000644]
[2024-11-03 12:28:20,470 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:28:20,472 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-03 12:28:20,472 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:28:20,473 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-03 12:28:20,473 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-03 12:28:20,474 INFO  L87              Difference]: Start difference. First operand 87 states and 133 transitions. Second operand  has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28)
[2024-11-03 12:28:25,076 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:28:29,279 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:28:31,193 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:28:35,392 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:28:39,398 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:28:43,596 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:28:47,604 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:28:51,612 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:28:56,081 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:29:00,086 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:29:01,791 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:29:01,792 INFO  L93              Difference]: Finished difference Result 476 states and 721 transitions.
[2024-11-03 12:29:01,793 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-03 12:29:01,793 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 186
[2024-11-03 12:29:01,794 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:29:01,803 INFO  L225             Difference]: With dead ends: 476
[2024-11-03 12:29:01,806 INFO  L226             Difference]: Without dead ends: 392
[2024-11-03 12:29:01,808 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2024-11-03 12:29:01,809 INFO  L432           NwaCegarLoop]: 229 mSDtfsCounter, 407 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 106 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.0s IncrementalHoareTripleChecker+Time
[2024-11-03 12:29:01,810 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 566 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 142 Invalid, 9 Unknown, 0 Unchecked, 41.0s Time]
[2024-11-03 12:29:01,814 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 392 states.
[2024-11-03 12:29:01,874 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 156.
[2024-11-03 12:29:01,875 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 156 states, 101 states have (on average 1.3465346534653466) internal successors, (136), 102 states have internal predecessors, (136), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52)
[2024-11-03 12:29:01,879 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 240 transitions.
[2024-11-03 12:29:01,881 INFO  L78                 Accepts]: Start accepts. Automaton has 156 states and 240 transitions. Word has length 186
[2024-11-03 12:29:01,882 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:29:01,882 INFO  L471      AbstractCegarLoop]: Abstraction has 156 states and 240 transitions.
[2024-11-03 12:29:01,883 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28)
[2024-11-03 12:29:01,884 INFO  L276                IsEmpty]: Start isEmpty. Operand 156 states and 240 transitions.
[2024-11-03 12:29:01,886 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 187
[2024-11-03 12:29:01,887 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:29:01,890 INFO  L215           NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 12:29:01,893 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0
[2024-11-03 12:29:02,090 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:29:02,091 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:29:02,092 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:29:02,092 INFO  L85        PathProgramCache]: Analyzing trace with hash -1735948876, now seen corresponding path program 1 times
[2024-11-03 12:29:02,092 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:29:02,093 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1859704330]
[2024-11-03 12:29:02,093 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:29:02,093 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:29:02,093 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:29:02,095 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 12:29:02,096 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process
[2024-11-03 12:29:02,230 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:29:02,232 INFO  L255         TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-03 12:29:02,239 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:29:02,314 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked.
[2024-11-03 12:29:02,314 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:29:03,375 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked.
[2024-11-03 12:29:03,375 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:29:03,375 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1859704330]
[2024-11-03 12:29:03,375 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1859704330] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:29:03,376 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:29:03,376 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4
[2024-11-03 12:29:03,376 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792204019]
[2024-11-03 12:29:03,376 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:29:03,377 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-03 12:29:03,377 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:29:03,378 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-03 12:29:03,378 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-03 12:29:03,378 INFO  L87              Difference]: Start difference. First operand 156 states and 240 transitions. Second operand  has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28)
[2024-11-03 12:29:06,913 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:29:06,920 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:29:06,920 INFO  L93              Difference]: Finished difference Result 309 states and 477 transitions.
[2024-11-03 12:29:06,984 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 12:29:06,985 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 186
[2024-11-03 12:29:06,986 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:29:06,990 INFO  L225             Difference]: With dead ends: 309
[2024-11-03 12:29:06,990 INFO  L226             Difference]: Without dead ends: 156
[2024-11-03 12:29:06,991 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 368 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-03 12:29:06,992 INFO  L432           NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time
[2024-11-03 12:29:06,993 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 259 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time]
[2024-11-03 12:29:06,994 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 156 states.
[2024-11-03 12:29:07,012 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156.
[2024-11-03 12:29:07,013 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 156 states, 101 states have (on average 1.3366336633663367) internal successors, (135), 102 states have internal predecessors, (135), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52)
[2024-11-03 12:29:07,015 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 239 transitions.
[2024-11-03 12:29:07,015 INFO  L78                 Accepts]: Start accepts. Automaton has 156 states and 239 transitions. Word has length 186
[2024-11-03 12:29:07,016 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:29:07,016 INFO  L471      AbstractCegarLoop]: Abstraction has 156 states and 239 transitions.
[2024-11-03 12:29:07,016 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28)
[2024-11-03 12:29:07,017 INFO  L276                IsEmpty]: Start isEmpty. Operand 156 states and 239 transitions.
[2024-11-03 12:29:07,019 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 187
[2024-11-03 12:29:07,019 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:29:07,019 INFO  L215           NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 12:29:07,034 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Ended with exit code 0
[2024-11-03 12:29:07,223 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:29:07,224 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:29:07,225 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:29:07,225 INFO  L85        PathProgramCache]: Analyzing trace with hash 753580086, now seen corresponding path program 1 times
[2024-11-03 12:29:07,225 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:29:07,225 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1344429310]
[2024-11-03 12:29:07,225 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:29:07,226 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:29:07,226 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:29:07,228 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 12:29:07,229 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process
[2024-11-03 12:29:07,377 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:29:07,383 INFO  L255         TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 12 conjuncts are in the unsatisfiable core
[2024-11-03 12:29:07,390 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:29:15,991 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 287 proven. 207 refuted. 0 times theorem prover too weak. 1018 trivial. 0 not checked.
[2024-11-03 12:29:15,991 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:29:21,754 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 12 proven. 69 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked.
[2024-11-03 12:29:21,755 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:29:21,755 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1344429310]
[2024-11-03 12:29:21,755 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1344429310] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 12:29:21,755 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 12:29:21,755 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6] total 16
[2024-11-03 12:29:21,755 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072663002]
[2024-11-03 12:29:21,755 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 12:29:21,756 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2024-11-03 12:29:21,756 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:29:21,757 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2024-11-03 12:29:21,757 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240
[2024-11-03 12:29:21,758 INFO  L87              Difference]: Start difference. First operand 156 states and 239 transitions. Second operand  has 16 states, 16 states have (on average 6.0625) internal successors, (97), 15 states have internal predecessors, (97), 5 states have call successors, (53), 4 states have call predecessors, (53), 6 states have return successors, (54), 5 states have call predecessors, (54), 5 states have call successors, (54)
[2024-11-03 12:29:29,908 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:29:31,329 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:29:31,623 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:29:31,624 INFO  L93              Difference]: Finished difference Result 337 states and 497 transitions.
[2024-11-03 12:29:31,686 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2024-11-03 12:29:31,686 INFO  L78                 Accepts]: Start accepts. Automaton has  has 16 states, 16 states have (on average 6.0625) internal successors, (97), 15 states have internal predecessors, (97), 5 states have call successors, (53), 4 states have call predecessors, (53), 6 states have return successors, (54), 5 states have call predecessors, (54), 5 states have call successors, (54) Word has length 186
[2024-11-03 12:29:31,687 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:29:31,689 INFO  L225             Difference]: With dead ends: 337
[2024-11-03 12:29:31,689 INFO  L226             Difference]: Without dead ends: 184
[2024-11-03 12:29:31,690 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=155, Invalid=307, Unknown=0, NotChecked=0, Total=462
[2024-11-03 12:29:31,691 INFO  L432           NwaCegarLoop]: 90 mSDtfsCounter, 117 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 20 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time
[2024-11-03 12:29:31,691 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 396 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 395 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time]
[2024-11-03 12:29:31,692 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 184 states.
[2024-11-03 12:29:31,722 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 180.
[2024-11-03 12:29:31,725 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 180 states, 119 states have (on average 1.2352941176470589) internal successors, (147), 120 states have internal predecessors, (147), 52 states have call successors, (52), 8 states have call predecessors, (52), 8 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52)
[2024-11-03 12:29:31,726 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 251 transitions.
[2024-11-03 12:29:31,727 INFO  L78                 Accepts]: Start accepts. Automaton has 180 states and 251 transitions. Word has length 186
[2024-11-03 12:29:31,728 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:29:31,728 INFO  L471      AbstractCegarLoop]: Abstraction has 180 states and 251 transitions.
[2024-11-03 12:29:31,730 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 16 states, 16 states have (on average 6.0625) internal successors, (97), 15 states have internal predecessors, (97), 5 states have call successors, (53), 4 states have call predecessors, (53), 6 states have return successors, (54), 5 states have call predecessors, (54), 5 states have call successors, (54)
[2024-11-03 12:29:31,730 INFO  L276                IsEmpty]: Start isEmpty. Operand 180 states and 251 transitions.
[2024-11-03 12:29:31,731 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 188
[2024-11-03 12:29:31,731 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:29:31,732 INFO  L215           NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 12:29:31,746 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Ended with exit code 0
[2024-11-03 12:29:31,932 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:29:31,933 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:29:31,933 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:29:31,934 INFO  L85        PathProgramCache]: Analyzing trace with hash 1046012224, now seen corresponding path program 1 times
[2024-11-03 12:29:31,934 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:29:31,934 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [392337336]
[2024-11-03 12:29:31,934 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:29:31,934 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:29:31,934 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:29:31,936 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 12:29:31,937 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process
[2024-11-03 12:29:41,445 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:29:41,448 INFO  L255         TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 69 conjuncts are in the unsatisfiable core
[2024-11-03 12:29:41,460 INFO  L278         TraceCheckSpWp]: Computing forward predicates...