/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-55.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 12:33:58,212 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 12:33:58,292 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 12:33:58,300 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 12:33:58,301 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 12:33:58,333 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 12:33:58,334 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 12:33:58,334 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 12:33:58,335 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 12:33:58,335 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 12:33:58,335 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 12:33:58,336 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 12:33:58,336 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 12:33:58,337 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 12:33:58,337 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 12:33:58,340 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 12:33:58,340 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 12:33:58,340 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 12:33:58,341 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 12:33:58,341 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 12:33:58,341 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 12:33:58,342 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 12:33:58,343 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 12:33:58,343 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 12:33:58,343 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 12:33:58,343 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 12:33:58,344 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 12:33:58,344 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 12:33:58,344 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 12:33:58,345 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 12:33:58,345 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 12:33:58,345 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 12:33:58,346 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 12:33:58,346 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 12:33:58,349 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:33:58,349 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 12:33:58,349 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 12:33:58,350 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 12:33:58,350 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 12:33:58,350 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 12:33:58,350 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 12:33:58,351 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 12:33:58,351 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 12:33:58,352 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 12:33:58,352 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla
[2024-11-03 12:33:58,588 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 12:33:58,613 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 12:33:58,616 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 12:33:58,617 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 12:33:58,618 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 12:33:58,620 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-55.i
[2024-11-03 12:34:00,079 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 12:34:00,308 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 12:34:00,309 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-55.i
[2024-11-03 12:34:00,320 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/676a0f2b0/2d5c7a89c66c416d98a3b75fdf455872/FLAGaf7705964
[2024-11-03 12:34:00,337 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/676a0f2b0/2d5c7a89c66c416d98a3b75fdf455872
[2024-11-03 12:34:00,340 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 12:34:00,342 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 12:34:00,347 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 12:34:00,347 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 12:34:00,353 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 12:34:00,354 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:34:00" (1/1) ...
[2024-11-03 12:34:00,355 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52125e3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:34:00, skipping insertion in model container
[2024-11-03 12:34:00,355 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:34:00" (1/1) ...
[2024-11-03 12:34:00,399 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 12:34:00,555 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-55.i[916,929]
[2024-11-03 12:34:00,629 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:34:00,646 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 12:34:00,657 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-55.i[916,929]
[2024-11-03 12:34:00,694 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:34:00,718 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 12:34:00,718 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:34:00 WrapperNode
[2024-11-03 12:34:00,718 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 12:34:00,719 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 12:34:00,720 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 12:34:00,720 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 12:34:00,724 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:34:00" (1/1) ...
[2024-11-03 12:34:00,736 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:34:00" (1/1) ...
[2024-11-03 12:34:00,766 INFO  L138                Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 184
[2024-11-03 12:34:00,766 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 12:34:00,767 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 12:34:00,767 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 12:34:00,767 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 12:34:00,782 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:34:00" (1/1) ...
[2024-11-03 12:34:00,786 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:34:00" (1/1) ...
[2024-11-03 12:34:00,791 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:34:00" (1/1) ...
[2024-11-03 12:34:00,821 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 12:34:00,822 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:34:00" (1/1) ...
[2024-11-03 12:34:00,822 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:34:00" (1/1) ...
[2024-11-03 12:34:00,837 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:34:00" (1/1) ...
[2024-11-03 12:34:00,840 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:34:00" (1/1) ...
[2024-11-03 12:34:00,843 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:34:00" (1/1) ...
[2024-11-03 12:34:00,845 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:34:00" (1/1) ...
[2024-11-03 12:34:00,850 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 12:34:00,851 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 12:34:00,851 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 12:34:00,851 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 12:34:00,852 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:34:00" (1/1) ...
[2024-11-03 12:34:00,863 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:34:00,880 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 12:34:00,897 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 12:34:00,903 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 12:34:00,929 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 12:34:00,929 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 12:34:00,930 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 12:34:00,930 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 12:34:00,930 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 12:34:00,932 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 12:34:01,040 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 12:34:01,043 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 12:34:08,361 INFO  L?                        ?]: Removed 20 outVars from TransFormulas that were not future-live.
[2024-11-03 12:34:08,361 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 12:34:08,380 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 12:34:08,381 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 12:34:08,381 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:34:08 BoogieIcfgContainer
[2024-11-03 12:34:08,381 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 12:34:08,387 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 12:34:08,388 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 12:34:08,392 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 12:34:08,392 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:34:00" (1/3) ...
[2024-11-03 12:34:08,393 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c410191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:34:08, skipping insertion in model container
[2024-11-03 12:34:08,393 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:34:00" (2/3) ...
[2024-11-03 12:34:08,393 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c410191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:34:08, skipping insertion in model container
[2024-11-03 12:34:08,393 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:34:08" (3/3) ...
[2024-11-03 12:34:08,394 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-55.i
[2024-11-03 12:34:08,407 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 12:34:08,407 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 12:34:08,464 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 12:34:08,471 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;@562639f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 12:34:08,471 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 12:34:08,477 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 74 states, 47 states have (on average 1.425531914893617) internal successors, (67), 48 states have internal predecessors, (67), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24)
[2024-11-03 12:34:08,492 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 156
[2024-11-03 12:34:08,492 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:34:08,493 INFO  L215           NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:08,493 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:34:08,498 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:34:08,499 INFO  L85        PathProgramCache]: Analyzing trace with hash -260757358, now seen corresponding path program 1 times
[2024-11-03 12:34:08,511 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:34:08,512 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2029825304]
[2024-11-03 12:34:08,512 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:34:08,515 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:34:08,515 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:34:08,519 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 12:34:08,521 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process
[2024-11-03 12:34:08,703 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:34:08,705 INFO  L255         TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 12:34:08,716 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:34:08,778 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked.
[2024-11-03 12:34:08,778 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:34:09,449 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked.
[2024-11-03 12:34:09,450 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:34:09,451 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2029825304]
[2024-11-03 12:34:09,451 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [2029825304] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:34:09,452 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:34:09,452 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 12:34:09,454 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393513317]
[2024-11-03 12:34:09,454 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:34:09,460 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 12:34:09,460 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:34:09,481 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 12:34:09,482 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 12:34:09,485 INFO  L87              Difference]: Start difference. First operand  has 74 states, 47 states have (on average 1.425531914893617) internal successors, (67), 48 states have internal predecessors, (67), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand  has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24)
[2024-11-03 12:34:09,513 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:34:09,513 INFO  L93              Difference]: Finished difference Result 141 states and 248 transitions.
[2024-11-03 12:34:09,515 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 12:34:09,516 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) Word has length 155
[2024-11-03 12:34:09,516 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:34:09,522 INFO  L225             Difference]: With dead ends: 141
[2024-11-03 12:34:09,523 INFO  L226             Difference]: Without dead ends: 70
[2024-11-03 12:34:09,526 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 308 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 12:34:09,529 INFO  L432           NwaCegarLoop]: 107 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, 107 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 12:34:09,530 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 12:34:09,543 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 70 states.
[2024-11-03 12:34:09,564 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70.
[2024-11-03 12:34:09,565 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 70 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 44 states have internal predecessors, (59), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24)
[2024-11-03 12:34:09,567 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 107 transitions.
[2024-11-03 12:34:09,570 INFO  L78                 Accepts]: Start accepts. Automaton has 70 states and 107 transitions. Word has length 155
[2024-11-03 12:34:09,571 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:34:09,571 INFO  L471      AbstractCegarLoop]: Abstraction has 70 states and 107 transitions.
[2024-11-03 12:34:09,571 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24)
[2024-11-03 12:34:09,572 INFO  L276                IsEmpty]: Start isEmpty. Operand 70 states and 107 transitions.
[2024-11-03 12:34:09,579 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 156
[2024-11-03 12:34:09,580 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:34:09,580 INFO  L215           NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:09,587 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0
[2024-11-03 12:34:09,785 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:34:09,786 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:34:09,787 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:34:09,787 INFO  L85        PathProgramCache]: Analyzing trace with hash 1143338062, now seen corresponding path program 1 times
[2024-11-03 12:34:09,787 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:34:09,788 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [508322738]
[2024-11-03 12:34:09,788 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:34:09,788 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:34:09,788 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:34:09,790 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 12:34:09,792 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process
[2024-11-03 12:34:09,930 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:34:09,933 INFO  L255         TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-03 12:34:09,939 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:34:10,858 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 503 proven. 21 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked.
[2024-11-03 12:34:10,858 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:34:12,161 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 48 proven. 21 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked.
[2024-11-03 12:34:12,162 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:34:12,162 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [508322738]
[2024-11-03 12:34:12,162 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [508322738] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 12:34:12,162 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 12:34:12,163 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8
[2024-11-03 12:34:12,163 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832227089]
[2024-11-03 12:34:12,163 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 12:34:12,165 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-03 12:34:12,165 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:34:12,166 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-03 12:34:12,167 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2024-11-03 12:34:12,167 INFO  L87              Difference]: Start difference. First operand 70 states and 107 transitions. Second operand  has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32)
[2024-11-03 12:34:17,666 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:34:21,961 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:34:23,316 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:34:23,317 INFO  L93              Difference]: Finished difference Result 216 states and 325 transitions.
[2024-11-03 12:34:23,317 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-11-03 12:34:23,318 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 155
[2024-11-03 12:34:23,319 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:34:23,325 INFO  L225             Difference]: With dead ends: 216
[2024-11-03 12:34:23,325 INFO  L226             Difference]: Without dead ends: 149
[2024-11-03 12:34:23,326 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 302 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272
[2024-11-03 12:34:23,327 INFO  L432           NwaCegarLoop]: 129 mSDtfsCounter, 130 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 58 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time
[2024-11-03 12:34:23,328 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 355 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 332 Invalid, 1 Unknown, 0 Unchecked, 10.6s Time]
[2024-11-03 12:34:23,330 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 149 states.
[2024-11-03 12:34:23,358 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 91.
[2024-11-03 12:34:23,358 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 91 states, 64 states have (on average 1.375) internal successors, (88), 64 states have internal predecessors, (88), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24)
[2024-11-03 12:34:23,359 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 136 transitions.
[2024-11-03 12:34:23,360 INFO  L78                 Accepts]: Start accepts. Automaton has 91 states and 136 transitions. Word has length 155
[2024-11-03 12:34:23,360 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:34:23,361 INFO  L471      AbstractCegarLoop]: Abstraction has 91 states and 136 transitions.
[2024-11-03 12:34:23,361 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32)
[2024-11-03 12:34:23,363 INFO  L276                IsEmpty]: Start isEmpty. Operand 91 states and 136 transitions.
[2024-11-03 12:34:23,365 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 157
[2024-11-03 12:34:23,365 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:34:23,365 INFO  L215           NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:23,370 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0
[2024-11-03 12:34:23,566 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:34:23,566 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:34:23,567 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:34:23,567 INFO  L85        PathProgramCache]: Analyzing trace with hash 1901346952, now seen corresponding path program 1 times
[2024-11-03 12:34:23,567 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:34:23,568 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [562538953]
[2024-11-03 12:34:23,568 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:34:23,568 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:34:23,568 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:34:23,570 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 12:34:23,571 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process
[2024-11-03 12:34:23,649 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:34:23,651 INFO  L255         TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-03 12:34:23,654 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:34:25,210 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked.
[2024-11-03 12:34:25,210 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:34:26,366 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked.
[2024-11-03 12:34:26,366 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:34:26,366 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [562538953]
[2024-11-03 12:34:26,366 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [562538953] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:34:26,367 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:34:26,367 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 6
[2024-11-03 12:34:26,367 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468955820]
[2024-11-03 12:34:26,367 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:34:26,368 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-03 12:34:26,368 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:34:26,371 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-03 12:34:26,372 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-03 12:34:26,372 INFO  L87              Difference]: Start difference. First operand 91 states and 136 transitions. Second operand  has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48)
[2024-11-03 12:34:30,716 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:34:32,080 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:34:35,906 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.72s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:34:35,966 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:34:35,966 INFO  L93              Difference]: Finished difference Result 275 states and 407 transitions.
[2024-11-03 12:34:36,009 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-03 12:34:36,010 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 156
[2024-11-03 12:34:36,011 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:34:36,012 INFO  L225             Difference]: With dead ends: 275
[2024-11-03 12:34:36,012 INFO  L226             Difference]: Without dead ends: 187
[2024-11-03 12:34:36,013 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-03 12:34:36,014 INFO  L432           NwaCegarLoop]: 103 mSDtfsCounter, 166 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 100 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time
[2024-11-03 12:34:36,015 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 344 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 15 Invalid, 1 Unknown, 0 Unchecked, 9.5s Time]
[2024-11-03 12:34:36,016 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 187 states.
[2024-11-03 12:34:36,046 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 139.
[2024-11-03 12:34:36,046 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 139 states, 86 states have (on average 1.2790697674418605) internal successors, (110), 86 states have internal predecessors, (110), 48 states have call successors, (48), 4 states have call predecessors, (48), 4 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48)
[2024-11-03 12:34:36,052 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 206 transitions.
[2024-11-03 12:34:36,052 INFO  L78                 Accepts]: Start accepts. Automaton has 139 states and 206 transitions. Word has length 156
[2024-11-03 12:34:36,053 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:34:36,053 INFO  L471      AbstractCegarLoop]: Abstraction has 139 states and 206 transitions.
[2024-11-03 12:34:36,053 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48)
[2024-11-03 12:34:36,054 INFO  L276                IsEmpty]: Start isEmpty. Operand 139 states and 206 transitions.
[2024-11-03 12:34:36,056 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 158
[2024-11-03 12:34:36,056 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:34:36,057 INFO  L215           NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:36,060 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Ended with exit code 0
[2024-11-03 12:34:36,257 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:34:36,258 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:34:36,258 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:34:36,259 INFO  L85        PathProgramCache]: Analyzing trace with hash 1477427513, now seen corresponding path program 1 times
[2024-11-03 12:34:36,259 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:34:36,259 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2107571227]
[2024-11-03 12:34:36,259 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:34:36,259 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:34:36,259 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:34:36,261 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 12:34:36,262 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process
[2024-11-03 12:34:36,353 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:34:36,356 INFO  L255         TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 50 conjuncts are in the unsatisfiable core
[2024-11-03 12:34:36,367 INFO  L278         TraceCheckSpWp]: Computing forward predicates...