/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-47.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 12:33:13,200 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 12:33:13,284 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 12:33:13,293 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 12:33:13,293 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 12:33:13,322 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 12:33:13,323 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 12:33:13,323 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 12:33:13,324 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 12:33:13,325 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 12:33:13,325 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 12:33:13,325 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 12:33:13,327 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 12:33:13,328 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 12:33:13,328 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 12:33:13,328 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 12:33:13,328 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 12:33:13,329 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 12:33:13,329 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 12:33:13,329 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 12:33:13,329 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 12:33:13,330 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 12:33:13,330 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 12:33:13,330 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 12:33:13,331 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 12:33:13,331 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 12:33:13,331 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 12:33:13,332 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 12:33:13,332 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 12:33:13,332 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 12:33:13,332 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 12:33:13,333 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 12:33:13,333 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 12:33:13,333 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 12:33:13,333 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:33:13,334 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 12:33:13,334 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 12:33:13,334 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 12:33:13,335 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 12:33:13,335 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 12:33:13,335 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 12:33:13,335 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 12:33:13,336 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 12:33:13,336 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 12:33:13,336 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla
[2024-11-03 12:33:13,589 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 12:33:13,616 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 12:33:13,619 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 12:33:13,620 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 12:33:13,621 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 12:33:13,622 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-47.i
[2024-11-03 12:33:15,179 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 12:33:15,434 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 12:33:15,434 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-47.i
[2024-11-03 12:33:15,448 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3326aa201/98ce6ecf2eaa4c979e4f473ead7f969c/FLAGd265be6ad
[2024-11-03 12:33:15,468 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3326aa201/98ce6ecf2eaa4c979e4f473ead7f969c
[2024-11-03 12:33:15,471 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 12:33:15,473 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 12:33:15,476 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 12:33:15,476 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 12:33:15,482 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 12:33:15,482 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:33:15" (1/1) ...
[2024-11-03 12:33:15,484 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@695f1de1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:33:15, skipping insertion in model container
[2024-11-03 12:33:15,484 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:33:15" (1/1) ...
[2024-11-03 12:33:15,523 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 12:33:15,726 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-47.i[916,929]
[2024-11-03 12:33:15,834 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:33:15,856 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 12:33:15,877 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-47.i[916,929]
[2024-11-03 12:33:15,927 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:33:15,958 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 12:33:15,958 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:33:15 WrapperNode
[2024-11-03 12:33:15,959 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 12:33:15,960 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 12:33:15,960 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 12:33:15,960 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 12:33:15,967 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:33:15" (1/1) ...
[2024-11-03 12:33:15,990 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:33:15" (1/1) ...
[2024-11-03 12:33:16,035 INFO  L138                Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 228
[2024-11-03 12:33:16,036 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 12:33:16,037 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 12:33:16,037 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 12:33:16,037 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 12:33:16,049 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:33:15" (1/1) ...
[2024-11-03 12:33:16,050 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:33:15" (1/1) ...
[2024-11-03 12:33:16,057 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:33:15" (1/1) ...
[2024-11-03 12:33:16,087 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 12:33:16,088 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:33:15" (1/1) ...
[2024-11-03 12:33:16,088 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:33:15" (1/1) ...
[2024-11-03 12:33:16,108 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:33:15" (1/1) ...
[2024-11-03 12:33:16,116 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:33:15" (1/1) ...
[2024-11-03 12:33:16,123 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:33:15" (1/1) ...
[2024-11-03 12:33:16,126 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:33:15" (1/1) ...
[2024-11-03 12:33:16,131 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 12:33:16,132 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 12:33:16,132 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 12:33:16,132 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 12:33:16,133 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:33:15" (1/1) ...
[2024-11-03 12:33:16,138 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:33:16,150 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 12:33:16,166 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 12:33:16,172 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 12:33:16,201 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 12:33:16,201 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 12:33:16,201 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 12:33:16,201 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 12:33:16,202 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 12:33:16,202 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 12:33:16,313 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 12:33:16,315 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 12:33:16,928 INFO  L?                        ?]: Removed 34 outVars from TransFormulas that were not future-live.
[2024-11-03 12:33:16,929 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 12:33:16,947 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 12:33:16,947 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 12:33:16,949 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:33:16 BoogieIcfgContainer
[2024-11-03 12:33:16,949 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 12:33:16,952 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 12:33:16,952 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 12:33:16,955 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 12:33:16,956 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:33:15" (1/3) ...
[2024-11-03 12:33:16,957 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7417d451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:33:16, skipping insertion in model container
[2024-11-03 12:33:16,958 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:33:15" (2/3) ...
[2024-11-03 12:33:16,958 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7417d451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:33:16, skipping insertion in model container
[2024-11-03 12:33:16,958 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:33:16" (3/3) ...
[2024-11-03 12:33:16,961 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-47.i
[2024-11-03 12:33:16,979 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 12:33:16,979 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 12:33:17,055 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 12:33:17,061 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;@7fe65b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 12:33:17,061 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 12:33:17,068 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 98 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 63 states have internal predecessors, (90), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33)
[2024-11-03 12:33:17,085 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 209
[2024-11-03 12:33:17,085 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:33:17,086 INFO  L215           NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:33:17,086 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:33:17,090 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:33:17,091 INFO  L85        PathProgramCache]: Analyzing trace with hash -507692883, now seen corresponding path program 1 times
[2024-11-03 12:33:17,099 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:33:17,099 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [853425692]
[2024-11-03 12:33:17,099 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:33:17,118 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:33:17,119 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:33:17,122 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 12:33:17,124 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process
[2024-11-03 12:33:17,347 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:33:17,351 INFO  L255         TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 12:33:17,374 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:33:17,441 INFO  L134       CoverageAnalysis]: Checked inductivity of 2112 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 2048 trivial. 0 not checked.
[2024-11-03 12:33:17,443 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:33:17,670 INFO  L134       CoverageAnalysis]: Checked inductivity of 2112 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 2048 trivial. 0 not checked.
[2024-11-03 12:33:17,671 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:33:17,672 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [853425692]
[2024-11-03 12:33:17,672 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [853425692] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:33:17,672 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:33:17,673 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 12:33:17,675 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90984980]
[2024-11-03 12:33:17,676 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:33:17,683 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 12:33:17,683 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:33:17,709 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 12:33:17,709 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 12:33:17,712 INFO  L87              Difference]: Start difference. First operand  has 98 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 63 states have internal predecessors, (90), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) 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, (33), 1 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33)
[2024-11-03 12:33:17,744 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:33:17,745 INFO  L93              Difference]: Finished difference Result 189 states and 339 transitions.
[2024-11-03 12:33:17,746 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 12:33:17,747 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, (33), 1 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) Word has length 208
[2024-11-03 12:33:17,748 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:33:17,758 INFO  L225             Difference]: With dead ends: 189
[2024-11-03 12:33:17,759 INFO  L226             Difference]: Without dead ends: 94
[2024-11-03 12:33:17,768 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 414 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 12:33:17,773 INFO  L432           NwaCegarLoop]: 149 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, 149 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 12:33:17,775 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 12:33:17,790 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 94 states.
[2024-11-03 12:33:17,813 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94.
[2024-11-03 12:33:17,814 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 94 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 59 states have internal predecessors, (83), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33)
[2024-11-03 12:33:17,817 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 149 transitions.
[2024-11-03 12:33:17,819 INFO  L78                 Accepts]: Start accepts. Automaton has 94 states and 149 transitions. Word has length 208
[2024-11-03 12:33:17,820 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:33:17,820 INFO  L471      AbstractCegarLoop]: Abstraction has 94 states and 149 transitions.
[2024-11-03 12:33:17,820 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, (33), 1 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33)
[2024-11-03 12:33:17,820 INFO  L276                IsEmpty]: Start isEmpty. Operand 94 states and 149 transitions.
[2024-11-03 12:33:17,825 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 209
[2024-11-03 12:33:17,825 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:33:17,825 INFO  L215           NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:33:17,829 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Forceful destruction successful, exit code 0
[2024-11-03 12:33:18,027 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:33:18,028 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:33:18,029 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:33:18,029 INFO  L85        PathProgramCache]: Analyzing trace with hash 687701747, now seen corresponding path program 1 times
[2024-11-03 12:33:18,029 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:33:18,029 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1977784483]
[2024-11-03 12:33:18,029 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:33:18,030 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:33:18,030 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:33:18,031 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 12:33:18,032 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process
[2024-11-03 12:33:18,143 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:33:18,145 INFO  L255         TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-03 12:33:18,155 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:33:18,230 INFO  L134       CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked.
[2024-11-03 12:33:18,230 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:33:18,425 INFO  L134       CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked.
[2024-11-03 12:33:18,426 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:33:18,426 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1977784483]
[2024-11-03 12:33:18,426 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1977784483] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:33:18,426 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:33:18,426 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 3] imperfect sequences [] total 5
[2024-11-03 12:33:18,427 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782259443]
[2024-11-03 12:33:18,427 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:33:18,429 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-03 12:33:18,430 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:33:18,430 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-03 12:33:18,431 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-03 12:33:18,434 INFO  L87              Difference]: Start difference. First operand 94 states and 149 transitions. Second operand  has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33)
[2024-11-03 12:33:19,114 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:33:19,115 INFO  L93              Difference]: Finished difference Result 275 states and 437 transitions.
[2024-11-03 12:33:19,116 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-03 12:33:19,116 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 208
[2024-11-03 12:33:19,117 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:33:19,121 INFO  L225             Difference]: With dead ends: 275
[2024-11-03 12:33:19,121 INFO  L226             Difference]: Without dead ends: 184
[2024-11-03 12:33:19,122 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 411 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-03 12:33:19,124 INFO  L432           NwaCegarLoop]: 141 mSDtfsCounter, 75 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-03 12:33:19,127 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 384 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-03 12:33:19,129 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 184 states.
[2024-11-03 12:33:19,164 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 128.
[2024-11-03 12:33:19,164 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 128 states, 90 states have (on average 1.4555555555555555) internal successors, (131), 91 states have internal predecessors, (131), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35)
[2024-11-03 12:33:19,171 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 201 transitions.
[2024-11-03 12:33:19,171 INFO  L78                 Accepts]: Start accepts. Automaton has 128 states and 201 transitions. Word has length 208
[2024-11-03 12:33:19,172 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:33:19,173 INFO  L471      AbstractCegarLoop]: Abstraction has 128 states and 201 transitions.
[2024-11-03 12:33:19,173 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33)
[2024-11-03 12:33:19,175 INFO  L276                IsEmpty]: Start isEmpty. Operand 128 states and 201 transitions.
[2024-11-03 12:33:19,180 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 210
[2024-11-03 12:33:19,184 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:33:19,184 INFO  L215           NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:33:19,188 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0
[2024-11-03 12:33:19,385 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:33:19,385 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:33:19,386 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:33:19,386 INFO  L85        PathProgramCache]: Analyzing trace with hash 1187200047, now seen corresponding path program 1 times
[2024-11-03 12:33:19,386 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:33:19,387 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1514837487]
[2024-11-03 12:33:19,387 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:33:19,387 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:33:19,387 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:33:19,389 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 12:33:19,390 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process
[2024-11-03 12:33:19,509 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:33:19,513 INFO  L255         TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-03 12:33:19,524 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:33:19,890 INFO  L134       CoverageAnalysis]: Checked inductivity of 2112 backedges. 1086 proven. 45 refuted. 0 times theorem prover too weak. 981 trivial. 0 not checked.
[2024-11-03 12:33:19,891 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:33:20,291 INFO  L134       CoverageAnalysis]: Checked inductivity of 2112 backedges. 51 proven. 45 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked.
[2024-11-03 12:33:20,292 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:33:20,292 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1514837487]
[2024-11-03 12:33:20,292 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1514837487] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 12:33:20,292 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 12:33:20,293 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13
[2024-11-03 12:33:20,293 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038631959]
[2024-11-03 12:33:20,293 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 12:33:20,294 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-11-03 12:33:20,294 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:33:20,295 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-11-03 12:33:20,295 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156
[2024-11-03 12:33:20,295 INFO  L87              Difference]: Start difference. First operand 128 states and 201 transitions. Second operand  has 13 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 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 12:33:21,309 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:33:21,309 INFO  L93              Difference]: Finished difference Result 342 states and 524 transitions.
[2024-11-03 12:33:21,311 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2024-11-03 12:33:21,311 INFO  L78                 Accepts]: Start accepts. Automaton has  has 13 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 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 209
[2024-11-03 12:33:21,312 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:33:21,315 INFO  L225             Difference]: With dead ends: 342
[2024-11-03 12:33:21,316 INFO  L226             Difference]: Without dead ends: 217
[2024-11-03 12:33:21,317 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 404 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=163, Invalid=343, Unknown=0, NotChecked=0, Total=506
[2024-11-03 12:33:21,318 INFO  L432           NwaCegarLoop]: 99 mSDtfsCounter, 310 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-03 12:33:21,318 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 449 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-03 12:33:21,319 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 217 states.
[2024-11-03 12:33:21,347 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 158.
[2024-11-03 12:33:21,351 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 158 states, 118 states have (on average 1.4152542372881356) internal successors, (167), 119 states have internal predecessors, (167), 35 states have call successors, (35), 4 states have call predecessors, (35), 4 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35)
[2024-11-03 12:33:21,353 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 237 transitions.
[2024-11-03 12:33:21,353 INFO  L78                 Accepts]: Start accepts. Automaton has 158 states and 237 transitions. Word has length 209
[2024-11-03 12:33:21,354 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:33:21,354 INFO  L471      AbstractCegarLoop]: Abstraction has 158 states and 237 transitions.
[2024-11-03 12:33:21,355 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 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 12:33:21,356 INFO  L276                IsEmpty]: Start isEmpty. Operand 158 states and 237 transitions.
[2024-11-03 12:33:21,358 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 211
[2024-11-03 12:33:21,358 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:33:21,359 INFO  L215           NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:33:21,363 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Ended with exit code 0
[2024-11-03 12:33:21,561 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:33:21,562 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:33:21,563 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:33:21,563 INFO  L85        PathProgramCache]: Analyzing trace with hash -2087064376, now seen corresponding path program 1 times
[2024-11-03 12:33:21,563 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:33:21,563 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1953543878]
[2024-11-03 12:33:21,563 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:33:21,564 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:33:21,564 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:33:21,566 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 12:33:21,567 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process
[2024-11-03 12:33:21,675 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:33:21,678 INFO  L255         TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 12 conjuncts are in the unsatisfiable core
[2024-11-03 12:33:21,682 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:33:22,540 INFO  L134       CoverageAnalysis]: Checked inductivity of 2112 backedges. 1001 proven. 120 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked.
[2024-11-03 12:33:22,541 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:33:23,459 INFO  L134       CoverageAnalysis]: Checked inductivity of 2112 backedges. 66 proven. 123 refuted. 0 times theorem prover too weak. 1923 trivial. 0 not checked.
[2024-11-03 12:33:23,459 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:33:23,460 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1953543878]
[2024-11-03 12:33:23,460 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1953543878] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 12:33:23,460 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 12:33:23,460 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19
[2024-11-03 12:33:23,460 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413263062]
[2024-11-03 12:33:23,460 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 12:33:23,464 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2024-11-03 12:33:23,464 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:33:23,465 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2024-11-03 12:33:23,466 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342
[2024-11-03 12:33:23,466 INFO  L87              Difference]: Start difference. First operand 158 states and 237 transitions. Second operand  has 19 states, 18 states have (on average 4.444444444444445) internal successors, (80), 17 states have internal predecessors, (80), 5 states have call successors, (54), 3 states have call predecessors, (54), 6 states have return successors, (55), 5 states have call predecessors, (55), 5 states have call successors, (55)
[2024-11-03 12:33:28,254 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:33:28,255 INFO  L93              Difference]: Finished difference Result 714 states and 1048 transitions.
[2024-11-03 12:33:28,255 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2024-11-03 12:33:28,256 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 18 states have (on average 4.444444444444445) internal successors, (80), 17 states have internal predecessors, (80), 5 states have call successors, (54), 3 states have call predecessors, (54), 6 states have return successors, (55), 5 states have call predecessors, (55), 5 states have call successors, (55) Word has length 210
[2024-11-03 12:33:28,256 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:33:28,260 INFO  L225             Difference]: With dead ends: 714
[2024-11-03 12:33:28,260 INFO  L226             Difference]: Without dead ends: 559
[2024-11-03 12:33:28,261 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 458 GetRequests, 407 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 679 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=667, Invalid=2089, Unknown=0, NotChecked=0, Total=2756
[2024-11-03 12:33:28,262 INFO  L432           NwaCegarLoop]: 159 mSDtfsCounter, 1259 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 889 mSolverCounterSat, 361 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1272 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 1250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 361 IncrementalHoareTripleChecker+Valid, 889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time
[2024-11-03 12:33:28,262 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1272 Valid, 712 Invalid, 1250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [361 Valid, 889 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time]
[2024-11-03 12:33:28,263 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 559 states.
[2024-11-03 12:33:28,308 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 330.
[2024-11-03 12:33:28,309 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 330 states, 247 states have (on average 1.3967611336032388) internal successors, (345), 249 states have internal predecessors, (345), 70 states have call successors, (70), 12 states have call predecessors, (70), 12 states have return successors, (70), 68 states have call predecessors, (70), 70 states have call successors, (70)
[2024-11-03 12:33:28,311 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 485 transitions.
[2024-11-03 12:33:28,312 INFO  L78                 Accepts]: Start accepts. Automaton has 330 states and 485 transitions. Word has length 210
[2024-11-03 12:33:28,312 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:33:28,313 INFO  L471      AbstractCegarLoop]: Abstraction has 330 states and 485 transitions.
[2024-11-03 12:33:28,313 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 18 states have (on average 4.444444444444445) internal successors, (80), 17 states have internal predecessors, (80), 5 states have call successors, (54), 3 states have call predecessors, (54), 6 states have return successors, (55), 5 states have call predecessors, (55), 5 states have call successors, (55)
[2024-11-03 12:33:28,313 INFO  L276                IsEmpty]: Start isEmpty. Operand 330 states and 485 transitions.
[2024-11-03 12:33:28,316 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 211
[2024-11-03 12:33:28,317 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:33:28,317 INFO  L215           NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:33:28,323 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Ended with exit code 0
[2024-11-03 12:33:28,521 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:33:28,522 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:33:28,522 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:33:28,523 INFO  L85        PathProgramCache]: Analyzing trace with hash 619555018, now seen corresponding path program 1 times
[2024-11-03 12:33:28,523 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:33:28,523 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [481048599]
[2024-11-03 12:33:28,523 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:33:28,523 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:33:28,523 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:33:28,524 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 12:33:28,525 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process
[2024-11-03 12:33:28,649 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:33:28,652 INFO  L255         TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 51 conjuncts are in the unsatisfiable core
[2024-11-03 12:33:28,660 INFO  L278         TraceCheckSpWp]: Computing forward predicates...