/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/bitvector/jain_1-1.c


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 13:35:48,601 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 13:35:48,670 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-03 13:35:48,678 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 13:35:48,678 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 13:35:48,705 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 13:35:48,707 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 13:35:48,707 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 13:35:48,708 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 13:35:48,709 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 13:35:48,709 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 13:35:48,709 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 13:35:48,710 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 13:35:48,710 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 13:35:48,710 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 13:35:48,711 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 13:35:48,711 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 13:35:48,713 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 13:35:48,714 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 13:35:48,714 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 13:35:48,714 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 13:35:48,717 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 13:35:48,718 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 13:35:48,718 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 13:35:48,718 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 13:35:48,718 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 13:35:48,718 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 13:35:48,719 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 13:35:48,719 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 13:35:48,719 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 13:35:48,719 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 13:35:48,719 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 13:35:48,720 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 13:35:48,720 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 13:35:48,720 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 13:35:48,720 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 13:35:48,720 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 13:35:48,721 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 13:35:48,721 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 13:35:48,722 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 13:35:48,722 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 13:35:48,722 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 13:35:48,723 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 13:35:48,723 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 13:35:48,723 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla
[2024-11-03 13:35:48,935 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 13:35:48,958 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 13:35:48,962 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 13:35:48,963 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 13:35:48,964 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 13:35:48,965 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/jain_1-1.c
[2024-11-03 13:35:50,366 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 13:35:50,524 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 13:35:50,525 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector/jain_1-1.c
[2024-11-03 13:35:50,531 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1657ba2fc/1f1eeca2cb1b41d8acc8b7dc5ed91428/FLAG5dac84006
[2024-11-03 13:35:50,933 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1657ba2fc/1f1eeca2cb1b41d8acc8b7dc5ed91428
[2024-11-03 13:35:50,935 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 13:35:50,937 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 13:35:50,940 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 13:35:50,940 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 13:35:50,945 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 13:35:50,945 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:35:50" (1/1) ...
[2024-11-03 13:35:50,946 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71f0e2e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:35:50, skipping insertion in model container
[2024-11-03 13:35:50,946 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:35:50" (1/1) ...
[2024-11-03 13:35:50,964 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 13:35:51,126 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector/jain_1-1.c[675,688]
[2024-11-03 13:35:51,135 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 13:35:51,146 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 13:35:51,157 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector/jain_1-1.c[675,688]
[2024-11-03 13:35:51,159 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 13:35:51,173 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 13:35:51,174 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:35:51 WrapperNode
[2024-11-03 13:35:51,174 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 13:35:51,175 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 13:35:51,175 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 13:35:51,175 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 13:35:51,181 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:35:51" (1/1) ...
[2024-11-03 13:35:51,187 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:35:51" (1/1) ...
[2024-11-03 13:35:51,201 INFO  L138                Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 27
[2024-11-03 13:35:51,201 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 13:35:51,201 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 13:35:51,201 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 13:35:51,202 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 13:35:51,210 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:35:51" (1/1) ...
[2024-11-03 13:35:51,210 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:35:51" (1/1) ...
[2024-11-03 13:35:51,211 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:35:51" (1/1) ...
[2024-11-03 13:35:51,220 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-03 13:35:51,220 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:35:51" (1/1) ...
[2024-11-03 13:35:51,220 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:35:51" (1/1) ...
[2024-11-03 13:35:51,223 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:35:51" (1/1) ...
[2024-11-03 13:35:51,226 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:35:51" (1/1) ...
[2024-11-03 13:35:51,226 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:35:51" (1/1) ...
[2024-11-03 13:35:51,227 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:35:51" (1/1) ...
[2024-11-03 13:35:51,228 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 13:35:51,229 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 13:35:51,229 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 13:35:51,229 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 13:35:51,230 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:35:51" (1/1) ...
[2024-11-03 13:35:51,238 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 13:35:51,247 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 13:35:51,259 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-03 13:35:51,262 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-03 13:35:51,284 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 13:35:51,284 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 13:35:51,284 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 13:35:51,284 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 13:35:51,331 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 13:35:51,333 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 13:35:51,445 INFO  L?                        ?]: Removed 5 outVars from TransFormulas that were not future-live.
[2024-11-03 13:35:51,446 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 13:35:51,460 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 13:35:51,460 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 13:35:51,461 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:35:51 BoogieIcfgContainer
[2024-11-03 13:35:51,461 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 13:35:51,463 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 13:35:51,463 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 13:35:51,466 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 13:35:51,467 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:35:50" (1/3) ...
[2024-11-03 13:35:51,468 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d09ab0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:35:51, skipping insertion in model container
[2024-11-03 13:35:51,468 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:35:51" (2/3) ...
[2024-11-03 13:35:51,468 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d09ab0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:35:51, skipping insertion in model container
[2024-11-03 13:35:51,468 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:35:51" (3/3) ...
[2024-11-03 13:35:51,469 INFO  L112   eAbstractionObserver]: Analyzing ICFG jain_1-1.c
[2024-11-03 13:35:51,481 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 13:35:51,481 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 13:35:51,546 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 13:35:51,553 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;@56a98a33, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 13:35:51,553 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 13:35:51,557 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-03 13:35:51,562 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2024-11-03 13:35:51,562 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 13:35:51,563 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2024-11-03 13:35:51,563 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 13:35:51,568 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 13:35:51,569 INFO  L85        PathProgramCache]: Analyzing trace with hash 28699754, now seen corresponding path program 1 times
[2024-11-03 13:35:51,578 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 13:35:51,579 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [765069301]
[2024-11-03 13:35:51,579 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 13:35:51,582 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 13:35:51,582 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:35:51,584 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 13:35:51,586 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process
[2024-11-03 13:35:51,658 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 13:35:51,662 INFO  L255         TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-03 13:35:51,672 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 13:35:51,840 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-03 13:35:51,840 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 13:35:54,348 WARN  L851   $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~nondet4#1_8| (_ BitVec 32))) (not (= (_ bv0 32) (bvadd (bvmul (_ bv2 32) |v_ULTIMATE.start_main_#t~nondet4#1_8|) |c_ULTIMATE.start_main_~y~0#1|)))) is different from false
[2024-11-03 13:35:54,365 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-03 13:35:54,366 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 13:35:54,367 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [765069301]
[2024-11-03 13:35:54,367 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [765069301] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 13:35:54,367 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 13:35:54,367 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6
[2024-11-03 13:35:54,370 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126806668]
[2024-11-03 13:35:54,371 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 13:35:54,374 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-03 13:35:54,374 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 13:35:54,391 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-03 13:35:54,392 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=13, Unknown=1, NotChecked=6, Total=30
[2024-11-03 13:35:54,394 INFO  L87              Difference]: Start difference. First operand  has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-03 13:35:54,437 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 13:35:54,437 INFO  L93              Difference]: Finished difference Result 18 states and 26 transitions.
[2024-11-03 13:35:54,438 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-03 13:35:54,440 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5
[2024-11-03 13:35:54,440 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 13:35:54,445 INFO  L225             Difference]: With dead ends: 18
[2024-11-03 13:35:54,445 INFO  L226             Difference]: Without dead ends: 9
[2024-11-03 13:35:54,447 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=10, Invalid=13, Unknown=1, NotChecked=6, Total=30
[2024-11-03 13:35:54,450 INFO  L432           NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-03 13:35:54,451 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 3 Unchecked, 0.0s Time]
[2024-11-03 13:35:54,464 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9 states.
[2024-11-03 13:35:54,473 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9.
[2024-11-03 13:35:54,474 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-03 13:35:54,474 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions.
[2024-11-03 13:35:54,477 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5
[2024-11-03 13:35:54,477 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 13:35:54,477 INFO  L471      AbstractCegarLoop]: Abstraction has 9 states and 9 transitions.
[2024-11-03 13:35:54,478 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-03 13:35:54,479 INFO  L276                IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions.
[2024-11-03 13:35:54,480 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-11-03 13:35:54,480 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 13:35:54,480 INFO  L215           NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1]
[2024-11-03 13:35:54,484 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Forceful destruction successful, exit code 0
[2024-11-03 13:35:54,682 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:35:54,683 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 13:35:54,684 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 13:35:54,684 INFO  L85        PathProgramCache]: Analyzing trace with hash 300686882, now seen corresponding path program 1 times
[2024-11-03 13:35:54,684 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 13:35:54,684 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [408786309]
[2024-11-03 13:35:54,684 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 13:35:54,685 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 13:35:54,685 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:35:54,687 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 13:35:54,688 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process
[2024-11-03 13:35:54,711 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 13:35:54,712 INFO  L255         TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-03 13:35:54,715 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 13:35:54,815 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-03 13:35:54,816 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 13:36:05,263 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-03 13:36:05,263 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 13:36:05,263 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [408786309]
[2024-11-03 13:36:05,264 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [408786309] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 13:36:05,264 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 13:36:05,264 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8
[2024-11-03 13:36:05,264 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070546379]
[2024-11-03 13:36:05,264 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 13:36:05,266 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-03 13:36:05,266 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 13:36:05,267 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-03 13:36:05,267 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=33, Unknown=3, NotChecked=0, Total=56
[2024-11-03 13:36:05,268 INFO  L87              Difference]: Start difference. First operand 9 states and 9 transitions. Second operand  has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-03 13:36:07,073 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-03 13:36:15,020 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.56s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1]
[2024-11-03 13:36:17,751 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1]
[2024-11-03 13:36:20,661 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1]
[2024-11-03 13:36:23,618 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.96s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1]
[2024-11-03 13:36:35,810 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1]
[2024-11-03 13:36:38,401 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1]
[2024-11-03 13:36:40,935 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1]
[2024-11-03 13:36:43,550 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1]
[2024-11-03 13:36:46,303 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1]
[2024-11-03 13:36:49,172 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.85s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1]
[2024-11-03 13:36:51,959 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.79s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1]
[2024-11-03 13:36:51,974 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 13:36:51,975 INFO  L93              Difference]: Finished difference Result 20 states and 22 transitions.
[2024-11-03 13:36:51,975 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-11-03 13:36:51,975 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8
[2024-11-03 13:36:51,976 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 13:36:51,976 INFO  L225             Difference]: With dead ends: 20
[2024-11-03 13:36:51,976 INFO  L226             Difference]: Without dead ends: 18
[2024-11-03 13:36:51,977 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 25.4s TimeCoverageRelationStatistics Valid=41, Invalid=60, Unknown=9, NotChecked=0, Total=110
[2024-11-03 13:36:51,978 INFO  L432           NwaCegarLoop]: 5 mSDtfsCounter, 2 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.7s IncrementalHoareTripleChecker+Time
[2024-11-03 13:36:51,978 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 13 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 12 Unknown, 0 Unchecked, 31.7s Time]
[2024-11-03 13:36:51,979 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 18 states.
[2024-11-03 13:36:51,982 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18.
[2024-11-03 13:36:51,983 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 18 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-03 13:36:51,983 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions.
[2024-11-03 13:36:51,984 INFO  L78                 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 8
[2024-11-03 13:36:51,984 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 13:36:51,984 INFO  L471      AbstractCegarLoop]: Abstraction has 18 states and 18 transitions.
[2024-11-03 13:36:51,984 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-03 13:36:51,984 INFO  L276                IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions.
[2024-11-03 13:36:51,985 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2024-11-03 13:36:51,985 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 13:36:51,985 INFO  L215           NwaCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1]
[2024-11-03 13:36:51,988 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0
[2024-11-03 13:36:52,187 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:36:52,187 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 13:36:52,188 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 13:36:52,188 INFO  L85        PathProgramCache]: Analyzing trace with hash -1156434326, now seen corresponding path program 2 times
[2024-11-03 13:36:52,188 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 13:36:52,189 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1044218933]
[2024-11-03 13:36:52,189 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 13:36:52,189 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 13:36:52,189 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:36:52,191 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 13:36:52,192 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process
[2024-11-03 13:36:52,219 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 13:36:52,220 INFO  L255         TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-03 13:36:52,226 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 13:37:24,765 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 8 refuted. 18 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-03 13:37:24,765 INFO  L311         TraceCheckSpWp]: Computing backward predicates...