/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 'z3 -smt2 -in SMTLIB2_COMPLIANT=true' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount500_file-66.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-02 22:21:58,991 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-02 22:21:59,052 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-02 22:21:59,059 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-02 22:21:59,059 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-02 22:21:59,082 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-02 22:21:59,085 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-02 22:21:59,085 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-02 22:21:59,086 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-02 22:21:59,089 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-02 22:21:59,089 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-02 22:21:59,089 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-02 22:21:59,090 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-02 22:21:59,090 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-02 22:21:59,090 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-02 22:21:59,090 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-02 22:21:59,091 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-02 22:21:59,091 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-02 22:21:59,091 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-02 22:21:59,096 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-02 22:21:59,096 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-02 22:21:59,097 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-02 22:21:59,097 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-02 22:21:59,097 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-02 22:21:59,098 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-02 22:21:59,098 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-02 22:21:59,098 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-02 22:21:59,098 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-02 22:21:59,098 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-02 22:21:59,098 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-02 22:21:59,099 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-02 22:21:59,099 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-02 22:21:59,099 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-02 22:21:59,099 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-02 22:21:59,099 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-02 22:21:59,099 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-02 22:21:59,100 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-02 22:21:59,100 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-02 22:21:59,100 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-02 22:21:59,101 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-02 22:21:59,101 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-02 22:21:59,101 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-02 22:21:59,101 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-02 22:21:59,101 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-02 22:21:59,102 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-02 22:21:59,302 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-02 22:21:59,323 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-02 22:21:59,325 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-02 22:21:59,326 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-02 22:21:59,326 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-02 22:21:59,327 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount500_file-66.i
[2024-11-02 22:22:00,674 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-02 22:22:00,922 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-02 22:22:00,922 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount500_file-66.i
[2024-11-02 22:22:00,942 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/810f24969/8df8c21d58e44ae198171ea6c2bbc5d9/FLAG3072b0a43
[2024-11-02 22:22:00,954 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/810f24969/8df8c21d58e44ae198171ea6c2bbc5d9
[2024-11-02 22:22:00,956 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-02 22:22:00,957 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-02 22:22:00,960 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-02 22:22:00,960 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-02 22:22:00,964 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-02 22:22:00,965 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:22:00" (1/1) ...
[2024-11-02 22:22:00,966 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@793c6c6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:22:00, skipping insertion in model container
[2024-11-02 22:22:00,966 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:22:00" (1/1) ...
[2024-11-02 22:22:01,022 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-02 22:22:01,159 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_amount500_file-66.i[916,929]
[2024-11-02 22:22:01,375 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-02 22:22:01,395 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-02 22:22:01,406 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_amount500_file-66.i[916,929]
[2024-11-02 22:22:01,504 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-02 22:22:01,526 INFO  L204         MainTranslator]: Completed translation
[2024-11-02 22:22:01,526 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:22:01 WrapperNode
[2024-11-02 22:22:01,526 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-02 22:22:01,527 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-02 22:22:01,528 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-02 22:22:01,528 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-02 22:22:01,538 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:22:01" (1/1) ...
[2024-11-02 22:22:01,571 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:22:01" (1/1) ...
[2024-11-02 22:22:01,628 INFO  L138                Inliner]: procedures = 27, calls = 81, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 622
[2024-11-02 22:22:01,628 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-02 22:22:01,629 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-02 22:22:01,629 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-02 22:22:01,629 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-02 22:22:01,641 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:22:01" (1/1) ...
[2024-11-02 22:22:01,642 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:22:01" (1/1) ...
[2024-11-02 22:22:01,663 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:22:01" (1/1) ...
[2024-11-02 22:22:01,780 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].
[2024-11-02 22:22:01,780 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:22:01" (1/1) ...
[2024-11-02 22:22:01,788 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:22:01" (1/1) ...
[2024-11-02 22:22:01,827 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:22:01" (1/1) ...
[2024-11-02 22:22:01,848 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:22:01" (1/1) ...
[2024-11-02 22:22:01,863 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:22:01" (1/1) ...
[2024-11-02 22:22:01,875 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:22:01" (1/1) ...
[2024-11-02 22:22:01,883 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-02 22:22:01,884 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-02 22:22:01,884 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-02 22:22:01,884 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-02 22:22:01,884 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:22:01" (1/1) ...
[2024-11-02 22:22:01,889 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-02 22:22:01,897 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-02 22:22:01,912 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)
[2024-11-02 22:22:01,915 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
[2024-11-02 22:22:01,940 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-02 22:22:01,940 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-02 22:22:01,940 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-02 22:22:01,940 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-02 22:22:01,941 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-02 22:22:01,941 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-02 22:22:02,078 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-02 22:22:02,080 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-02 22:22:43,349 INFO  L?                        ?]: Removed 74 outVars from TransFormulas that were not future-live.
[2024-11-02 22:22:43,349 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-02 22:22:43,367 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-02 22:22:43,367 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-02 22:22:43,367 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:22:43 BoogieIcfgContainer
[2024-11-02 22:22:43,368 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-02 22:22:43,372 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-02 22:22:43,372 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-02 22:22:43,374 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-02 22:22:43,374 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 10:22:00" (1/3) ...
[2024-11-02 22:22:43,375 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f971a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:22:43, skipping insertion in model container
[2024-11-02 22:22:43,375 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:22:01" (2/3) ...
[2024-11-02 22:22:43,375 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f971a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:22:43, skipping insertion in model container
[2024-11-02 22:22:43,375 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:22:43" (3/3) ...
[2024-11-02 22:22:43,376 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount500_file-66.i
[2024-11-02 22:22:43,387 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-02 22:22:43,387 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-02 22:22:43,443 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-02 22:22:43,447 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;@5239638f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-02 22:22:43,448 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-02 22:22:43,452 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 237 states, 166 states have (on average 1.5602409638554218) internal successors, (259), 167 states have internal predecessors, (259), 68 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68)
[2024-11-02 22:22:43,473 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 459
[2024-11-02 22:22:43,474 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-02 22:22:43,475 INFO  L215           NwaCegarLoop]: trace histogram [68, 68, 68, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-02 22:22:43,475 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-02 22:22:43,479 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-02 22:22:43,479 INFO  L85        PathProgramCache]: Analyzing trace with hash 784728326, now seen corresponding path program 1 times
[2024-11-02 22:22:43,486 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-02 22:22:43,486 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1313045858]
[2024-11-02 22:22:43,486 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-02 22:22:43,488 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-02 22:22:43,488 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-02 22:22:43,490 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-02 22:22:43,491 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-02 22:22:45,176 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-02 22:22:45,518 INFO  L255         TraceCheckSpWp]: Trace formula consists of 833 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-02 22:22:45,533 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-02 22:22:45,634 INFO  L134       CoverageAnalysis]: Checked inductivity of 9112 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 8978 trivial. 0 not checked.
[2024-11-02 22:22:45,634 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-02 22:22:54,592 INFO  L134       CoverageAnalysis]: Checked inductivity of 9112 backedges. 0 proven. 134 refuted. 0 times theorem prover too weak. 8978 trivial. 0 not checked.
[2024-11-02 22:22:54,593 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-02 22:22:54,593 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1313045858]
[2024-11-02 22:22:54,593 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1313045858] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-02 22:22:54,594 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-02 22:22:54,594 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-02 22:22:54,595 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750411059]
[2024-11-02 22:22:54,595 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-02 22:22:54,599 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-02 22:22:54,599 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-02 22:22:54,614 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-02 22:22:54,615 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-02 22:22:54,617 INFO  L87              Difference]: Start difference. First operand  has 237 states, 166 states have (on average 1.5602409638554218) internal successors, (259), 167 states have internal predecessors, (259), 68 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) Second operand  has 2 states, 2 states have (on average 61.5) internal successors, (123), 2 states have internal predecessors, (123), 2 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (68), 1 states have call predecessors, (68), 2 states have call successors, (68)
[2024-11-02 22:22:54,650 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-02 22:22:54,651 INFO  L93              Difference]: Finished difference Result 467 states and 852 transitions.
[2024-11-02 22:22:54,651 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-02 22:22:54,652 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 61.5) internal successors, (123), 2 states have internal predecessors, (123), 2 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (68), 1 states have call predecessors, (68), 2 states have call successors, (68) Word has length 458
[2024-11-02 22:22:54,652 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-02 22:22:54,658 INFO  L225             Difference]: With dead ends: 467
[2024-11-02 22:22:54,658 INFO  L226             Difference]: Without dead ends: 233
[2024-11-02 22:22:54,665 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 914 GetRequests, 914 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-02 22:22:54,667 INFO  L432           NwaCegarLoop]: 388 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, 388 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
[2024-11-02 22:22:54,667 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-02 22:22:54,678 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 233 states.
[2024-11-02 22:22:54,715 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233.
[2024-11-02 22:22:54,716 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 233 states, 163 states have (on average 1.5460122699386503) internal successors, (252), 163 states have internal predecessors, (252), 68 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68)
[2024-11-02 22:22:54,719 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 388 transitions.
[2024-11-02 22:22:54,721 INFO  L78                 Accepts]: Start accepts. Automaton has 233 states and 388 transitions. Word has length 458
[2024-11-02 22:22:54,721 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-02 22:22:54,721 INFO  L471      AbstractCegarLoop]: Abstraction has 233 states and 388 transitions.
[2024-11-02 22:22:54,722 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 61.5) internal successors, (123), 2 states have internal predecessors, (123), 2 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (68), 1 states have call predecessors, (68), 2 states have call successors, (68)
[2024-11-02 22:22:54,722 INFO  L276                IsEmpty]: Start isEmpty. Operand 233 states and 388 transitions.
[2024-11-02 22:22:54,728 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 459
[2024-11-02 22:22:54,728 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-02 22:22:54,729 INFO  L215           NwaCegarLoop]: trace histogram [68, 68, 68, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-02 22:22:54,931 WARN  L435       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forcibly destroying the process
[2024-11-02 22:22:54,941 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-02 22:22:54,942 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-02 22:22:54,942 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-02 22:22:54,943 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-02 22:22:54,943 INFO  L85        PathProgramCache]: Analyzing trace with hash 2023652562, now seen corresponding path program 1 times
[2024-11-02 22:22:54,943 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-02 22:22:54,944 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1448826563]
[2024-11-02 22:22:54,944 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-02 22:22:54,944 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-02 22:22:54,944 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-02 22:22:54,945 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-02 22:22:54,950 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-02 22:22:56,664 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-02 22:22:57,032 INFO  L255         TraceCheckSpWp]: Trace formula consists of 833 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-02 22:22:57,042 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-02 22:22:57,261 INFO  L134       CoverageAnalysis]: Checked inductivity of 9112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9112 trivial. 0 not checked.
[2024-11-02 22:22:57,261 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-02 22:23:06,149 INFO  L134       CoverageAnalysis]: Checked inductivity of 9112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9112 trivial. 0 not checked.
[2024-11-02 22:23:06,150 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-02 22:23:06,150 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1448826563]
[2024-11-02 22:23:06,150 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1448826563] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-02 22:23:06,150 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-02 22:23:06,151 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-02 22:23:06,151 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330375238]
[2024-11-02 22:23:06,151 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-02 22:23:06,153 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-02 22:23:06,153 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-02 22:23:06,154 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-02 22:23:06,154 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-02 22:23:06,156 INFO  L87              Difference]: Start difference. First operand 233 states and 388 transitions. Second operand  has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 1 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 1 states have call predecessors, (68), 1 states have call successors, (68)
[2024-11-02 22:23:14,158 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-02 22:23:18,165 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 []
[2024-11-02 22:23:18,176 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-02 22:23:18,177 INFO  L93              Difference]: Finished difference Result 595 states and 992 transitions.
[2024-11-02 22:23:18,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-02 22:23:18,576 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 1 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 1 states have call predecessors, (68), 1 states have call successors, (68) Word has length 458
[2024-11-02 22:23:18,578 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-02 22:23:18,581 INFO  L225             Difference]: With dead ends: 595
[2024-11-02 22:23:18,581 INFO  L226             Difference]: Without dead ends: 365
[2024-11-02 22:23:18,582 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 914 GetRequests, 913 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-02 22:23:18,583 INFO  L432           NwaCegarLoop]: 416 mSDtfsCounter, 215 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time
[2024-11-02 22:23:18,583 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 778 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 24 Invalid, 2 Unknown, 0 Unchecked, 12.0s Time]
[2024-11-02 22:23:18,584 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 365 states.
[2024-11-02 22:23:18,606 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 362.
[2024-11-02 22:23:18,607 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 362 states, 276 states have (on average 1.576086956521739) internal successors, (435), 277 states have internal predecessors, (435), 83 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (83), 82 states have call predecessors, (83), 83 states have call successors, (83)
[2024-11-02 22:23:18,609 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 601 transitions.
[2024-11-02 22:23:18,609 INFO  L78                 Accepts]: Start accepts. Automaton has 362 states and 601 transitions. Word has length 458
[2024-11-02 22:23:18,610 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-02 22:23:18,610 INFO  L471      AbstractCegarLoop]: Abstraction has 362 states and 601 transitions.
[2024-11-02 22:23:18,611 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 1 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 1 states have call predecessors, (68), 1 states have call successors, (68)
[2024-11-02 22:23:18,611 INFO  L276                IsEmpty]: Start isEmpty. Operand 362 states and 601 transitions.
[2024-11-02 22:23:18,613 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 460
[2024-11-02 22:23:18,613 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-02 22:23:18,613 INFO  L215           NwaCegarLoop]: trace histogram [68, 68, 68, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-02 22:23:18,816 WARN  L435       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forcibly destroying the process
[2024-11-02 22:23:18,823 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-11-02 22:23:18,823 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-02 22:23:18,823 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-02 22:23:18,824 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-02 22:23:18,824 INFO  L85        PathProgramCache]: Analyzing trace with hash 775431240, now seen corresponding path program 1 times
[2024-11-02 22:23:18,825 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-02 22:23:18,825 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [244959346]
[2024-11-02 22:23:18,825 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-02 22:23:18,825 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-02 22:23:18,825 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-02 22:23:18,827 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-02 22:23:18,829 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-02 22:23:20,690 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-02 22:23:21,063 INFO  L255         TraceCheckSpWp]: Trace formula consists of 833 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-02 22:23:21,071 INFO  L278         TraceCheckSpWp]: Computing forward predicates...