/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_amount250_file-19.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 12:47:20,584 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 12:47:20,638 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 12:47:20,640 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 12:47:20,641 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 12:47:20,660 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 12:47:20,660 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 12:47:20,661 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 12:47:20,661 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 12:47:20,661 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 12:47:20,662 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 12:47:20,662 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 12:47:20,663 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 12:47:20,665 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 12:47:20,665 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 12:47:20,665 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 12:47:20,665 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 12:47:20,666 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 12:47:20,666 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 12:47:20,666 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 12:47:20,666 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 12:47:20,667 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 12:47:20,667 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 12:47:20,668 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 12:47:20,668 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 12:47:20,668 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 12:47:20,668 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 12:47:20,668 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 12:47:20,668 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 12:47:20,668 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 12:47:20,669 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 12:47:20,669 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 12:47:20,669 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 12:47:20,669 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 12:47:20,669 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:47:20,669 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 12:47:20,669 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 12:47:20,669 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 12:47:20,670 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 12:47:20,670 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 12:47:20,670 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 12:47:20,670 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 12:47:20,670 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 12:47:20,670 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 12:47:20,670 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla
[2024-11-03 12:47:20,830 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 12:47:20,850 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 12:47:20,852 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 12:47:20,853 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 12:47:20,853 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 12:47:20,854 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-19.i
[2024-11-03 12:47:22,093 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 12:47:22,253 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 12:47:22,254 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-19.i
[2024-11-03 12:47:22,265 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b831fa347/cda688a5179548d98ac19d94926eadaa/FLAG7387bca00
[2024-11-03 12:47:22,277 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b831fa347/cda688a5179548d98ac19d94926eadaa
[2024-11-03 12:47:22,279 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 12:47:22,280 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 12:47:22,282 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 12:47:22,282 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 12:47:22,285 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 12:47:22,286 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:47:22" (1/1) ...
[2024-11-03 12:47:22,286 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13601172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:47:22, skipping insertion in model container
[2024-11-03 12:47:22,286 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:47:22" (1/1) ...
[2024-11-03 12:47:22,321 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 12:47:22,446 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_amount250_file-19.i[916,929]
[2024-11-03 12:47:22,550 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:47:22,561 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 12:47:22,570 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_amount250_file-19.i[916,929]
[2024-11-03 12:47:22,617 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:47:22,632 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 12:47:22,632 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:47:22 WrapperNode
[2024-11-03 12:47:22,632 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 12:47:22,633 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 12:47:22,633 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 12:47:22,633 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 12:47:22,638 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:47:22" (1/1) ...
[2024-11-03 12:47:22,651 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:47:22" (1/1) ...
[2024-11-03 12:47:22,678 INFO  L138                Inliner]: procedures = 27, calls = 58, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 347
[2024-11-03 12:47:22,679 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 12:47:22,679 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 12:47:22,679 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 12:47:22,679 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 12:47:22,687 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:47:22" (1/1) ...
[2024-11-03 12:47:22,687 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:47:22" (1/1) ...
[2024-11-03 12:47:22,691 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:47:22" (1/1) ...
[2024-11-03 12:47:22,715 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 12:47:22,715 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:47:22" (1/1) ...
[2024-11-03 12:47:22,716 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:47:22" (1/1) ...
[2024-11-03 12:47:22,731 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:47:22" (1/1) ...
[2024-11-03 12:47:22,736 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:47:22" (1/1) ...
[2024-11-03 12:47:22,743 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:47:22" (1/1) ...
[2024-11-03 12:47:22,750 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:47:22" (1/1) ...
[2024-11-03 12:47:22,757 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 12:47:22,757 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 12:47:22,758 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 12:47:22,758 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 12:47:22,758 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:47:22" (1/1) ...
[2024-11-03 12:47:22,768 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:47:22,775 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 12:47:22,785 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 12:47:22,787 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 12:47:22,808 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 12:47:22,808 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 12:47:22,808 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 12:47:22,809 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 12:47:22,809 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 12:47:22,810 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 12:47:22,898 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 12:47:22,899 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 12:47:54,059 INFO  L?                        ?]: Removed 45 outVars from TransFormulas that were not future-live.
[2024-11-03 12:47:54,059 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 12:47:54,076 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 12:47:54,076 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 12:47:54,076 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:47:54 BoogieIcfgContainer
[2024-11-03 12:47:54,076 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 12:47:54,079 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 12:47:54,079 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 12:47:54,081 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 12:47:54,082 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:47:22" (1/3) ...
[2024-11-03 12:47:54,082 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a7f85c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:47:54, skipping insertion in model container
[2024-11-03 12:47:54,083 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:47:22" (2/3) ...
[2024-11-03 12:47:54,083 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a7f85c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:47:54, skipping insertion in model container
[2024-11-03 12:47:54,083 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:47:54" (3/3) ...
[2024-11-03 12:47:54,084 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-19.i
[2024-11-03 12:47:54,095 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 12:47:54,095 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 12:47:54,142 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 12:47:54,146 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;@76dff5b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 12:47:54,146 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 12:47:54,150 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 145 states, 97 states have (on average 1.5154639175257731) internal successors, (147), 98 states have internal predecessors, (147), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45)
[2024-11-03 12:47:54,166 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 292
[2024-11-03 12:47:54,167 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:47:54,167 INFO  L215           NwaCegarLoop]: trace histogram [45, 45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:47:54,168 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:47:54,171 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:47:54,171 INFO  L85        PathProgramCache]: Analyzing trace with hash 1690628764, now seen corresponding path program 1 times
[2024-11-03 12:47:54,177 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:47:54,177 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2035847321]
[2024-11-03 12:47:54,177 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:47:54,178 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:47:54,179 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:47:54,180 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 12:47:54,181 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process
[2024-11-03 12:47:54,367 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:47:54,370 INFO  L255         TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 12:47:54,385 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:47:54,440 INFO  L134       CoverageAnalysis]: Checked inductivity of 3960 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 3872 trivial. 0 not checked.
[2024-11-03 12:47:54,440 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:47:58,046 INFO  L134       CoverageAnalysis]: Checked inductivity of 3960 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 3872 trivial. 0 not checked.
[2024-11-03 12:47:58,047 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:47:58,050 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2035847321]
[2024-11-03 12:47:58,050 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [2035847321] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:47:58,051 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:47:58,051 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 12:47:58,052 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705669556]
[2024-11-03 12:47:58,053 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:47:58,058 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 12:47:58,059 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:47:58,075 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 12:47:58,076 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 12:47:58,077 INFO  L87              Difference]: Start difference. First operand  has 145 states, 97 states have (on average 1.5154639175257731) internal successors, (147), 98 states have internal predecessors, (147), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) Second operand  has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (45), 2 states have call predecessors, (45), 1 states have call successors, (45)
[2024-11-03 12:47:58,105 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:47:58,105 INFO  L93              Difference]: Finished difference Result 282 states and 511 transitions.
[2024-11-03 12:47:58,106 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 12:47:58,107 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (45), 2 states have call predecessors, (45), 1 states have call successors, (45) Word has length 291
[2024-11-03 12:47:58,107 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:47:58,112 INFO  L225             Difference]: With dead ends: 282
[2024-11-03 12:47:58,112 INFO  L226             Difference]: Without dead ends: 140
[2024-11-03 12:47:58,115 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 580 GetRequests, 580 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 12:47:58,118 INFO  L432           NwaCegarLoop]: 227 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, 227 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 12:47:58,118 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 12:47:58,129 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 140 states.
[2024-11-03 12:47:58,159 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140.
[2024-11-03 12:47:58,160 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 140 states, 93 states have (on average 1.4731182795698925) internal successors, (137), 93 states have internal predecessors, (137), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45)
[2024-11-03 12:47:58,166 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 227 transitions.
[2024-11-03 12:47:58,167 INFO  L78                 Accepts]: Start accepts. Automaton has 140 states and 227 transitions. Word has length 291
[2024-11-03 12:47:58,168 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:47:58,168 INFO  L471      AbstractCegarLoop]: Abstraction has 140 states and 227 transitions.
[2024-11-03 12:47:58,170 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (45), 2 states have call predecessors, (45), 1 states have call successors, (45)
[2024-11-03 12:47:58,170 INFO  L276                IsEmpty]: Start isEmpty. Operand 140 states and 227 transitions.
[2024-11-03 12:47:58,174 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 292
[2024-11-03 12:47:58,174 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:47:58,174 INFO  L215           NwaCegarLoop]: trace histogram [45, 45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:47:58,177 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Forceful destruction successful, exit code 0
[2024-11-03 12:47:58,374 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:47:58,375 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:47:58,376 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:47:58,376 INFO  L85        PathProgramCache]: Analyzing trace with hash -97219794, now seen corresponding path program 1 times
[2024-11-03 12:47:58,376 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:47:58,376 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1966925118]
[2024-11-03 12:47:58,376 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:47:58,376 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:47:58,377 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:47:58,378 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 12:47:58,379 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process
[2024-11-03 12:47:58,492 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:47:58,494 INFO  L255         TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-03 12:47:58,504 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:48:07,108 INFO  L134       CoverageAnalysis]: Checked inductivity of 3960 backedges. 1752 proven. 90 refuted. 0 times theorem prover too weak. 2118 trivial. 0 not checked.
[2024-11-03 12:48:07,108 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:48:15,137 INFO  L134       CoverageAnalysis]: Checked inductivity of 3960 backedges. 42 proven. 90 refuted. 0 times theorem prover too weak. 3828 trivial. 0 not checked.
[2024-11-03 12:48:15,137 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:48:15,137 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1966925118]
[2024-11-03 12:48:15,138 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1966925118] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 12:48:15,138 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 12:48:15,138 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2024-11-03 12:48:15,138 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601594429]
[2024-11-03 12:48:15,139 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 12:48:15,140 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-03 12:48:15,141 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:48:15,141 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-03 12:48:15,142 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-03 12:48:15,142 INFO  L87              Difference]: Start difference. First operand 140 states and 227 transitions. Second operand  has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 2 states have call successors, (75), 2 states have call predecessors, (75), 4 states have return successors, (76), 2 states have call predecessors, (76), 2 states have call successors, (76)
[2024-11-03 12:48:26,588 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:48:28,687 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:48:33,509 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.55s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:48:37,513 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:48:41,520 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:48:43,421 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:48:43,422 INFO  L93              Difference]: Finished difference Result 306 states and 491 transitions.
[2024-11-03 12:48:43,422 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-03 12:48:43,423 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 2 states have call successors, (75), 2 states have call predecessors, (75), 4 states have return successors, (76), 2 states have call predecessors, (76), 2 states have call successors, (76) Word has length 291
[2024-11-03 12:48:43,424 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:48:43,425 INFO  L225             Difference]: With dead ends: 306
[2024-11-03 12:48:43,425 INFO  L226             Difference]: Without dead ends: 169
[2024-11-03 12:48:43,428 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 584 GetRequests, 574 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110
[2024-11-03 12:48:43,428 INFO  L432           NwaCegarLoop]: 191 mSDtfsCounter, 174 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 36 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.5s IncrementalHoareTripleChecker+Time
[2024-11-03 12:48:43,429 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 461 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 349 Invalid, 4 Unknown, 0 Unchecked, 27.5s Time]
[2024-11-03 12:48:43,429 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 169 states.
[2024-11-03 12:48:43,447 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 164.
[2024-11-03 12:48:43,449 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 164 states, 102 states have (on average 1.3725490196078431) internal successors, (140), 103 states have internal predecessors, (140), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 58 states have call predecessors, (59), 59 states have call successors, (59)
[2024-11-03 12:48:43,452 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 258 transitions.
[2024-11-03 12:48:43,453 INFO  L78                 Accepts]: Start accepts. Automaton has 164 states and 258 transitions. Word has length 291
[2024-11-03 12:48:43,454 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:48:43,454 INFO  L471      AbstractCegarLoop]: Abstraction has 164 states and 258 transitions.
[2024-11-03 12:48:43,455 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 2 states have call successors, (75), 2 states have call predecessors, (75), 4 states have return successors, (76), 2 states have call predecessors, (76), 2 states have call successors, (76)
[2024-11-03 12:48:43,456 INFO  L276                IsEmpty]: Start isEmpty. Operand 164 states and 258 transitions.
[2024-11-03 12:48:43,458 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 293
[2024-11-03 12:48:43,458 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:48:43,458 INFO  L215           NwaCegarLoop]: trace histogram [45, 45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:48:43,463 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0
[2024-11-03 12:48:43,659 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:48:43,659 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:48:43,660 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:48:43,660 INFO  L85        PathProgramCache]: Analyzing trace with hash 352332027, now seen corresponding path program 1 times
[2024-11-03 12:48:43,660 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:48:43,660 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1941921993]
[2024-11-03 12:48:43,660 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:48:43,660 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:48:43,661 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:48:43,662 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 12:48:43,663 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process
[2024-11-03 12:48:43,766 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:48:43,768 INFO  L255         TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-03 12:48:43,774 INFO  L278         TraceCheckSpWp]: Computing forward predicates...