/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-41.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 12:32:05,935 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 12:32:06,006 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 12:32:06,011 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 12:32:06,012 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 12:32:06,039 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 12:32:06,040 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 12:32:06,040 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 12:32:06,041 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 12:32:06,042 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 12:32:06,042 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 12:32:06,043 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 12:32:06,043 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 12:32:06,043 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 12:32:06,044 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 12:32:06,044 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 12:32:06,044 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 12:32:06,045 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 12:32:06,047 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 12:32:06,047 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 12:32:06,048 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 12:32:06,050 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 12:32:06,050 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 12:32:06,050 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 12:32:06,051 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 12:32:06,051 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 12:32:06,051 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 12:32:06,051 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 12:32:06,052 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 12:32:06,052 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 12:32:06,052 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 12:32:06,052 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 12:32:06,052 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 12:32:06,053 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 12:32:06,053 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:32:06,053 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 12:32:06,053 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 12:32:06,053 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 12:32:06,054 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 12:32:06,054 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 12:32:06,054 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 12:32:06,055 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 12:32:06,055 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 12:32:06,055 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 12:32:06,055 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla
[2024-11-03 12:32:06,306 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 12:32:06,336 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 12:32:06,338 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 12:32:06,339 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 12:32:06,340 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 12:32:06,341 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-41.i
[2024-11-03 12:32:07,900 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 12:32:08,132 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 12:32:08,132 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-41.i
[2024-11-03 12:32:08,141 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eacf849c/be166699f3d94900b66b393a7fe0188e/FLAGd0aa6c6be
[2024-11-03 12:32:08,157 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eacf849c/be166699f3d94900b66b393a7fe0188e
[2024-11-03 12:32:08,159 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 12:32:08,160 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 12:32:08,161 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 12:32:08,161 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 12:32:08,166 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 12:32:08,167 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:32:08" (1/1) ...
[2024-11-03 12:32:08,167 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@718d5ba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:32:08, skipping insertion in model container
[2024-11-03 12:32:08,167 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:32:08" (1/1) ...
[2024-11-03 12:32:08,200 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 12:32:08,372 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-41.i[916,929]
[2024-11-03 12:32:08,477 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:32:08,490 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 12:32:08,501 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-41.i[916,929]
[2024-11-03 12:32:08,561 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:32:08,585 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 12:32:08,588 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:32:08 WrapperNode
[2024-11-03 12:32:08,588 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 12:32:08,589 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 12:32:08,590 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 12:32:08,590 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 12:32:08,597 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:32:08" (1/1) ...
[2024-11-03 12:32:08,613 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:32:08" (1/1) ...
[2024-11-03 12:32:08,641 INFO  L138                Inliner]: procedures = 27, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 204
[2024-11-03 12:32:08,642 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 12:32:08,642 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 12:32:08,642 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 12:32:08,643 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 12:32:08,653 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:32:08" (1/1) ...
[2024-11-03 12:32:08,654 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:32:08" (1/1) ...
[2024-11-03 12:32:08,659 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:32:08" (1/1) ...
[2024-11-03 12:32:08,679 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 12:32:08,679 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:32:08" (1/1) ...
[2024-11-03 12:32:08,679 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:32:08" (1/1) ...
[2024-11-03 12:32:08,692 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:32:08" (1/1) ...
[2024-11-03 12:32:08,697 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:32:08" (1/1) ...
[2024-11-03 12:32:08,704 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:32:08" (1/1) ...
[2024-11-03 12:32:08,706 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:32:08" (1/1) ...
[2024-11-03 12:32:08,711 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 12:32:08,712 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 12:32:08,712 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 12:32:08,712 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 12:32:08,713 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:32:08" (1/1) ...
[2024-11-03 12:32:08,722 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:32:08,733 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 12:32:08,750 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 12:32:08,754 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 12:32:08,783 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 12:32:08,784 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 12:32:08,784 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 12:32:08,784 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 12:32:08,784 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 12:32:08,784 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 12:32:08,888 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 12:32:08,890 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 12:32:11,367 INFO  L?                        ?]: Removed 20 outVars from TransFormulas that were not future-live.
[2024-11-03 12:32:11,367 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 12:32:11,380 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 12:32:11,380 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 12:32:11,380 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:32:11 BoogieIcfgContainer
[2024-11-03 12:32:11,380 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 12:32:11,389 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 12:32:11,390 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 12:32:11,392 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 12:32:11,392 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:32:08" (1/3) ...
[2024-11-03 12:32:11,393 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@edae328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:32:11, skipping insertion in model container
[2024-11-03 12:32:11,393 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:32:08" (2/3) ...
[2024-11-03 12:32:11,393 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@edae328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:32:11, skipping insertion in model container
[2024-11-03 12:32:11,393 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:32:11" (3/3) ...
[2024-11-03 12:32:11,395 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-41.i
[2024-11-03 12:32:11,408 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 12:32:11,408 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 12:32:11,455 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 12:32:11,459 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;@2900a4bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 12:32:11,459 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 12:32:11,463 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 90 states, 55 states have (on average 1.4) internal successors, (77), 56 states have internal predecessors, (77), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32)
[2024-11-03 12:32:11,477 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 204
[2024-11-03 12:32:11,477 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:32:11,478 INFO  L215           NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:32:11,478 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:32:11,483 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:32:11,483 INFO  L85        PathProgramCache]: Analyzing trace with hash -668581297, now seen corresponding path program 1 times
[2024-11-03 12:32:11,490 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:32:11,490 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [562618780]
[2024-11-03 12:32:11,491 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:32:11,492 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:32:11,493 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:32:11,495 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 12:32:11,497 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process
[2024-11-03 12:32:11,666 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:32:11,671 INFO  L255         TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 12:32:11,685 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:32:11,750 INFO  L134       CoverageAnalysis]: Checked inductivity of 1984 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 1922 trivial. 0 not checked.
[2024-11-03 12:32:11,750 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:32:12,031 INFO  L134       CoverageAnalysis]: Checked inductivity of 1984 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 1922 trivial. 0 not checked.
[2024-11-03 12:32:12,032 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:32:12,034 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [562618780]
[2024-11-03 12:32:12,035 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [562618780] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:32:12,035 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:32:12,035 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 12:32:12,036 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513695046]
[2024-11-03 12:32:12,037 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:32:12,041 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 12:32:12,042 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:32:12,065 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 12:32:12,066 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 12:32:12,068 INFO  L87              Difference]: Start difference. First operand  has 90 states, 55 states have (on average 1.4) internal successors, (77), 56 states have internal predecessors, (77), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand  has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (32), 1 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 1 states have call successors, (32)
[2024-11-03 12:32:12,104 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:32:12,104 INFO  L93              Difference]: Finished difference Result 173 states and 308 transitions.
[2024-11-03 12:32:12,106 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 12:32:12,107 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (32), 1 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 1 states have call successors, (32) Word has length 203
[2024-11-03 12:32:12,107 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:32:12,116 INFO  L225             Difference]: With dead ends: 173
[2024-11-03 12:32:12,116 INFO  L226             Difference]: Without dead ends: 86
[2024-11-03 12:32:12,119 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 404 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 12:32:12,124 INFO  L432           NwaCegarLoop]: 134 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, 134 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 12:32:12,125 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 12:32:12,140 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 86 states.
[2024-11-03 12:32:12,166 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86.
[2024-11-03 12:32:12,168 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 86 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 52 states have internal predecessors, (70), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32)
[2024-11-03 12:32:12,170 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 134 transitions.
[2024-11-03 12:32:12,171 INFO  L78                 Accepts]: Start accepts. Automaton has 86 states and 134 transitions. Word has length 203
[2024-11-03 12:32:12,172 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:32:12,172 INFO  L471      AbstractCegarLoop]: Abstraction has 86 states and 134 transitions.
[2024-11-03 12:32:12,172 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (32), 1 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 1 states have call successors, (32)
[2024-11-03 12:32:12,172 INFO  L276                IsEmpty]: Start isEmpty. Operand 86 states and 134 transitions.
[2024-11-03 12:32:12,177 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 204
[2024-11-03 12:32:12,177 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:32:12,177 INFO  L215           NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:32:12,182 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Forceful destruction successful, exit code 0
[2024-11-03 12:32:12,379 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:32:12,380 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:32:12,381 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:32:12,381 INFO  L85        PathProgramCache]: Analyzing trace with hash -398678841, now seen corresponding path program 1 times
[2024-11-03 12:32:12,381 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:32:12,381 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1752928582]
[2024-11-03 12:32:12,381 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:32:12,382 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:32:12,382 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:32:12,383 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 12:32:12,384 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process
[2024-11-03 12:32:12,526 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:32:12,529 INFO  L255         TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 12:32:12,540 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:32:13,210 INFO  L134       CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked.
[2024-11-03 12:32:13,211 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:32:13,560 INFO  L134       CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked.
[2024-11-03 12:32:13,560 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:32:13,560 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1752928582]
[2024-11-03 12:32:13,560 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1752928582] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:32:13,560 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:32:13,561 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3
[2024-11-03 12:32:13,561 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916187904]
[2024-11-03 12:32:13,561 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:32:13,563 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 12:32:13,563 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:32:13,564 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 12:32:13,564 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 12:32:13,564 INFO  L87              Difference]: Start difference. First operand 86 states and 134 transitions. Second operand  has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 1 states have call predecessors, (64), 1 states have call successors, (64)
[2024-11-03 12:32:15,874 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:32:15,923 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:32:15,924 INFO  L93              Difference]: Finished difference Result 252 states and 396 transitions.
[2024-11-03 12:32:15,947 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 12:32:15,948 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 1 states have call predecessors, (64), 1 states have call successors, (64) Word has length 203
[2024-11-03 12:32:15,949 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:32:15,951 INFO  L225             Difference]: With dead ends: 252
[2024-11-03 12:32:15,951 INFO  L226             Difference]: Without dead ends: 169
[2024-11-03 12:32:15,952 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 403 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 12:32:15,954 INFO  L432           NwaCegarLoop]: 131 mSDtfsCounter, 31 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time
[2024-11-03 12:32:15,954 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 255 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time]
[2024-11-03 12:32:15,955 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 169 states.
[2024-11-03 12:32:15,984 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 166.
[2024-11-03 12:32:15,984 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 166 states, 99 states have (on average 1.3333333333333333) internal successors, (132), 99 states have internal predecessors, (132), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64)
[2024-11-03 12:32:15,991 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 260 transitions.
[2024-11-03 12:32:15,992 INFO  L78                 Accepts]: Start accepts. Automaton has 166 states and 260 transitions. Word has length 203
[2024-11-03 12:32:15,992 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:32:15,993 INFO  L471      AbstractCegarLoop]: Abstraction has 166 states and 260 transitions.
[2024-11-03 12:32:15,993 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 1 states have call predecessors, (64), 1 states have call successors, (64)
[2024-11-03 12:32:15,997 INFO  L276                IsEmpty]: Start isEmpty. Operand 166 states and 260 transitions.
[2024-11-03 12:32:15,999 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 204
[2024-11-03 12:32:15,999 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:32:16,000 INFO  L215           NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:32:16,006 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0
[2024-11-03 12:32:16,202 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:32:16,202 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:32:16,203 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:32:16,203 INFO  L85        PathProgramCache]: Analyzing trace with hash -533540413, now seen corresponding path program 1 times
[2024-11-03 12:32:16,203 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:32:16,203 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [563090574]
[2024-11-03 12:32:16,203 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:32:16,204 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:32:16,204 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:32:16,206 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 12:32:16,207 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process
[2024-11-03 12:32:16,333 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:32:16,336 INFO  L255         TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-03 12:32:16,342 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:32:16,859 INFO  L134       CoverageAnalysis]: Checked inductivity of 1984 backedges. 1021 proven. 48 refuted. 0 times theorem prover too weak. 915 trivial. 0 not checked.
[2024-11-03 12:32:16,860 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:32:17,343 INFO  L134       CoverageAnalysis]: Checked inductivity of 1984 backedges. 45 proven. 48 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked.
[2024-11-03 12:32:17,343 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:32:17,343 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [563090574]
[2024-11-03 12:32:17,343 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [563090574] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 12:32:17,344 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 12:32:17,344 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2024-11-03 12:32:17,344 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736822938]
[2024-11-03 12:32:17,344 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 12:32:17,345 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-03 12:32:17,345 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:32:17,346 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-03 12:32:17,346 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-03 12:32:17,346 INFO  L87              Difference]: Start difference. First operand 166 states and 260 transitions. Second operand  has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49)
[2024-11-03 12:32:19,967 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:32:20,082 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:32:20,082 INFO  L93              Difference]: Finished difference Result 345 states and 531 transitions.
[2024-11-03 12:32:20,121 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-03 12:32:20,121 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 203
[2024-11-03 12:32:20,122 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:32:20,127 INFO  L225             Difference]: With dead ends: 345
[2024-11-03 12:32:20,127 INFO  L226             Difference]: Without dead ends: 182
[2024-11-03 12:32:20,129 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 398 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110
[2024-11-03 12:32:20,133 INFO  L432           NwaCegarLoop]: 96 mSDtfsCounter, 118 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time
[2024-11-03 12:32:20,134 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 223 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time]
[2024-11-03 12:32:20,135 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 182 states.
[2024-11-03 12:32:20,171 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 174.
[2024-11-03 12:32:20,172 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 174 states, 105 states have (on average 1.2952380952380953) internal successors, (136), 105 states have internal predecessors, (136), 64 states have call successors, (64), 4 states have call predecessors, (64), 4 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64)
[2024-11-03 12:32:20,174 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 264 transitions.
[2024-11-03 12:32:20,175 INFO  L78                 Accepts]: Start accepts. Automaton has 174 states and 264 transitions. Word has length 203
[2024-11-03 12:32:20,175 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:32:20,176 INFO  L471      AbstractCegarLoop]: Abstraction has 174 states and 264 transitions.
[2024-11-03 12:32:20,176 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49)
[2024-11-03 12:32:20,176 INFO  L276                IsEmpty]: Start isEmpty. Operand 174 states and 264 transitions.
[2024-11-03 12:32:20,179 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 204
[2024-11-03 12:32:20,179 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:32:20,180 INFO  L215           NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:32:20,188 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Ended with exit code 0
[2024-11-03 12:32:20,387 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:32:20,388 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:32:20,388 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:32:20,388 INFO  L85        PathProgramCache]: Analyzing trace with hash 1767282177, now seen corresponding path program 1 times
[2024-11-03 12:32:20,389 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:32:20,389 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1610540388]
[2024-11-03 12:32:20,389 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:32:20,389 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:32:20,390 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:32:20,392 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 12:32:20,393 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process
[2024-11-03 12:32:20,570 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:32:20,574 INFO  L255         TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 46 conjuncts are in the unsatisfiable core
[2024-11-03 12:32:20,583 INFO  L278         TraceCheckSpWp]: Computing forward predicates...