/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_amount250_file-41.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 12:49:52,327 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 12:49:52,412 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 12:49:52,417 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 12:49:52,419 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 12:49:52,456 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 12:49:52,457 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 12:49:52,457 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 12:49:52,458 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 12:49:52,458 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 12:49:52,458 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 12:49:52,459 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 12:49:52,460 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 12:49:52,464 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 12:49:52,464 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 12:49:52,465 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 12:49:52,465 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 12:49:52,465 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 12:49:52,465 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 12:49:52,466 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 12:49:52,466 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 12:49:52,469 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 12:49:52,469 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 12:49:52,470 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 12:49:52,470 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 12:49:52,470 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 12:49:52,470 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 12:49:52,471 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 12:49:52,471 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 12:49:52,471 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 12:49:52,471 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 12:49:52,472 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 12:49:52,472 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 12:49:52,473 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 12:49:52,473 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:49:52,473 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 12:49:52,473 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 12:49:52,474 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 12:49:52,474 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 12:49:52,474 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 12:49:52,474 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 12:49:52,475 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 12:49:52,475 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 12:49:52,475 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 12:49:52,476 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla
[2024-11-03 12:49:52,728 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 12:49:52,755 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 12:49:52,758 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 12:49:52,759 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 12:49:52,759 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 12:49:52,761 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-41.i
[2024-11-03 12:49:54,234 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 12:49:54,467 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 12:49:54,467 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-41.i
[2024-11-03 12:49:54,486 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27d786e39/3f58b83bbf3445f792b80710fca8d0af/FLAG4a0b164d0
[2024-11-03 12:49:54,502 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27d786e39/3f58b83bbf3445f792b80710fca8d0af
[2024-11-03 12:49:54,505 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 12:49:54,506 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 12:49:54,508 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 12:49:54,508 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 12:49:54,514 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 12:49:54,515 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:49:54" (1/1) ...
[2024-11-03 12:49:54,516 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6213dace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:49:54, skipping insertion in model container
[2024-11-03 12:49:54,516 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:49:54" (1/1) ...
[2024-11-03 12:49:54,561 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 12:49:54,751 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_amount250_file-41.i[916,929]
[2024-11-03 12:49:54,904 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:49:54,922 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 12:49:54,936 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_amount250_file-41.i[916,929]
[2024-11-03 12:49:55,011 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:49:55,043 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 12:49:55,044 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:49:55 WrapperNode
[2024-11-03 12:49:55,044 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 12:49:55,045 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 12:49:55,046 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 12:49:55,046 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 12:49:55,052 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:49:55" (1/1) ...
[2024-11-03 12:49:55,074 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:49:55" (1/1) ...
[2024-11-03 12:49:55,115 INFO  L138                Inliner]: procedures = 27, calls = 58, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 321
[2024-11-03 12:49:55,116 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 12:49:55,117 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 12:49:55,117 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 12:49:55,117 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 12:49:55,127 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:49:55" (1/1) ...
[2024-11-03 12:49:55,128 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:49:55" (1/1) ...
[2024-11-03 12:49:55,137 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:49:55" (1/1) ...
[2024-11-03 12:49:55,165 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 12:49:55,165 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:49:55" (1/1) ...
[2024-11-03 12:49:55,165 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:49:55" (1/1) ...
[2024-11-03 12:49:55,194 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:49:55" (1/1) ...
[2024-11-03 12:49:55,202 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:49:55" (1/1) ...
[2024-11-03 12:49:55,211 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:49:55" (1/1) ...
[2024-11-03 12:49:55,215 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:49:55" (1/1) ...
[2024-11-03 12:49:55,226 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 12:49:55,227 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 12:49:55,227 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 12:49:55,227 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 12:49:55,228 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:49:55" (1/1) ...
[2024-11-03 12:49:55,233 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:49:55,251 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 12:49:55,274 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 12:49:55,280 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 12:49:55,312 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 12:49:55,312 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 12:49:55,313 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 12:49:55,313 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 12:49:55,313 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 12:49:55,313 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 12:49:55,444 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 12:49:55,447 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 12:50:38,238 INFO  L?                        ?]: Removed 36 outVars from TransFormulas that were not future-live.
[2024-11-03 12:50:38,238 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 12:50:38,262 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 12:50:38,262 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 12:50:38,265 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:50:38 BoogieIcfgContainer
[2024-11-03 12:50:38,265 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 12:50:38,267 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 12:50:38,267 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 12:50:38,270 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 12:50:38,271 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:49:54" (1/3) ...
[2024-11-03 12:50:38,271 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5427679f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:50:38, skipping insertion in model container
[2024-11-03 12:50:38,271 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:49:55" (2/3) ...
[2024-11-03 12:50:38,272 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5427679f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:50:38, skipping insertion in model container
[2024-11-03 12:50:38,272 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:50:38" (3/3) ...
[2024-11-03 12:50:38,273 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-41.i
[2024-11-03 12:50:38,288 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 12:50:38,288 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 12:50:38,350 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 12:50:38,356 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;@1e60f53d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 12:50:38,356 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 12:50:38,361 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 142 states, 94 states have (on average 1.5106382978723405) internal successors, (142), 95 states have internal predecessors, (142), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45)
[2024-11-03 12:50:38,377 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 293
[2024-11-03 12:50:38,377 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:50:38,378 INFO  L215           NwaCegarLoop]: trace histogram [45, 45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:50:38,378 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:50:38,382 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:50:38,382 INFO  L85        PathProgramCache]: Analyzing trace with hash -2037796195, now seen corresponding path program 1 times
[2024-11-03 12:50:38,388 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:50:38,389 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1606487082]
[2024-11-03 12:50:38,389 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:50:38,390 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:50:38,391 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:50:38,392 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 12:50:38,393 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process
[2024-11-03 12:50:38,614 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:50:38,617 INFO  L255         TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 12:50:38,632 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:50:38,704 INFO  L134       CoverageAnalysis]: Checked inductivity of 3960 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 3872 trivial. 0 not checked.
[2024-11-03 12:50:38,704 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:50:43,784 INFO  L134       CoverageAnalysis]: Checked inductivity of 3960 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 3872 trivial. 0 not checked.
[2024-11-03 12:50:43,787 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:50:43,788 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1606487082]
[2024-11-03 12:50:43,789 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1606487082] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:50:43,789 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:50:43,789 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 12:50:43,791 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248778086]
[2024-11-03 12:50:43,791 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:50:43,796 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 12:50:43,796 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:50:43,816 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 12:50:43,817 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 12:50:43,819 INFO  L87              Difference]: Start difference. First operand  has 142 states, 94 states have (on average 1.5106382978723405) internal successors, (142), 95 states have internal predecessors, (142), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) Second operand  has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (45), 2 states have call predecessors, (45), 1 states have call successors, (45)
[2024-11-03 12:50:43,869 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:50:43,869 INFO  L93              Difference]: Finished difference Result 277 states and 503 transitions.
[2024-11-03 12:50:43,870 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 12:50:43,872 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (45), 2 states have call predecessors, (45), 1 states have call successors, (45) Word has length 292
[2024-11-03 12:50:43,872 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:50:43,881 INFO  L225             Difference]: With dead ends: 277
[2024-11-03 12:50:43,881 INFO  L226             Difference]: Without dead ends: 138
[2024-11-03 12:50:43,887 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 582 GetRequests, 582 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 12:50:43,890 INFO  L432           NwaCegarLoop]: 224 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, 224 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 12:50:43,891 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 12:50:43,910 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 138 states.
[2024-11-03 12:50:43,946 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138.
[2024-11-03 12:50:43,948 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 138 states, 91 states have (on average 1.4725274725274726) internal successors, (134), 91 states have internal predecessors, (134), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45)
[2024-11-03 12:50:43,951 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 224 transitions.
[2024-11-03 12:50:43,954 INFO  L78                 Accepts]: Start accepts. Automaton has 138 states and 224 transitions. Word has length 292
[2024-11-03 12:50:43,955 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:50:43,955 INFO  L471      AbstractCegarLoop]: Abstraction has 138 states and 224 transitions.
[2024-11-03 12:50:43,956 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (45), 2 states have call predecessors, (45), 1 states have call successors, (45)
[2024-11-03 12:50:43,956 INFO  L276                IsEmpty]: Start isEmpty. Operand 138 states and 224 transitions.
[2024-11-03 12:50:43,962 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 293
[2024-11-03 12:50:43,962 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:50:43,963 INFO  L215           NwaCegarLoop]: trace histogram [45, 45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:50:43,969 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Forceful destruction successful, exit code 0
[2024-11-03 12:50:44,165 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:50:44,166 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:50:44,167 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:50:44,167 INFO  L85        PathProgramCache]: Analyzing trace with hash 1417807827, now seen corresponding path program 1 times
[2024-11-03 12:50:44,167 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:50:44,167 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [599071019]
[2024-11-03 12:50:44,167 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:50:44,168 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:50:44,168 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:50:44,169 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 12:50:44,170 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process
[2024-11-03 12:50:44,344 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:50:44,349 INFO  L255         TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 12:50:44,360 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:50:45,057 INFO  L134       CoverageAnalysis]: Checked inductivity of 3960 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3960 trivial. 0 not checked.
[2024-11-03 12:50:45,058 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:50:50,560 INFO  L134       CoverageAnalysis]: Checked inductivity of 3960 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3960 trivial. 0 not checked.
[2024-11-03 12:50:50,561 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:50:50,561 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [599071019]
[2024-11-03 12:50:50,561 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [599071019] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:50:50,561 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:50:50,562 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 12:50:50,562 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892910990]
[2024-11-03 12:50:50,562 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:50:50,564 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 12:50:50,564 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:50:50,566 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 12:50:50,566 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 12:50:50,566 INFO  L87              Difference]: Start difference. First operand 138 states and 224 transitions. Second operand  has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45)
[2024-11-03 12:50:53,753 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:50:58,932 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.89s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:51:04,020 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:51:04,027 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:51:04,027 INFO  L93              Difference]: Finished difference Result 345 states and 558 transitions.
[2024-11-03 12:51:04,339 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 12:51:04,340 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) Word has length 292
[2024-11-03 12:51:04,341 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:51:04,344 INFO  L225             Difference]: With dead ends: 345
[2024-11-03 12:51:04,344 INFO  L226             Difference]: Without dead ends: 210
[2024-11-03 12:51:04,345 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 582 GetRequests, 581 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 12:51:04,347 INFO  L432           NwaCegarLoop]: 214 mSDtfsCounter, 107 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 11 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time
[2024-11-03 12:51:04,348 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 411 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 19 Invalid, 2 Unknown, 0 Unchecked, 13.4s Time]
[2024-11-03 12:51:04,349 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 210 states.
[2024-11-03 12:51:04,372 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 207.
[2024-11-03 12:51:04,373 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 207 states, 139 states have (on average 1.4388489208633093) internal successors, (200), 140 states have internal predecessors, (200), 65 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65)
[2024-11-03 12:51:04,374 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 330 transitions.
[2024-11-03 12:51:04,375 INFO  L78                 Accepts]: Start accepts. Automaton has 207 states and 330 transitions. Word has length 292
[2024-11-03 12:51:04,376 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:51:04,376 INFO  L471      AbstractCegarLoop]: Abstraction has 207 states and 330 transitions.
[2024-11-03 12:51:04,376 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45)
[2024-11-03 12:51:04,377 INFO  L276                IsEmpty]: Start isEmpty. Operand 207 states and 330 transitions.
[2024-11-03 12:51:04,381 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 295
[2024-11-03 12:51:04,381 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:51:04,381 INFO  L215           NwaCegarLoop]: trace histogram [45, 45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:51:04,385 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Forceful destruction successful, exit code 0
[2024-11-03 12:51:04,582 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:51:04,582 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:51:04,583 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:51:04,583 INFO  L85        PathProgramCache]: Analyzing trace with hash -1707983293, now seen corresponding path program 1 times
[2024-11-03 12:51:04,583 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:51:04,583 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [757433018]
[2024-11-03 12:51:04,584 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:51:04,584 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:51:04,584 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:51:04,586 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 12:51:04,588 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process
[2024-11-03 12:51:04,725 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:51:04,730 INFO  L255         TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-03 12:51:04,738 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:51:05,200 INFO  L134       CoverageAnalysis]: Checked inductivity of 3960 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3960 trivial. 0 not checked.
[2024-11-03 12:51:05,200 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:51:11,040 INFO  L134       CoverageAnalysis]: Checked inductivity of 3960 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3960 trivial. 0 not checked.
[2024-11-03 12:51:11,041 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:51:11,041 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [757433018]
[2024-11-03 12:51:11,041 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [757433018] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:51:11,041 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:51:11,041 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 12:51:11,042 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154795064]
[2024-11-03 12:51:11,042 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:51:11,043 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 12:51:11,043 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:51:11,043 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 12:51:11,044 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 12:51:11,044 INFO  L87              Difference]: Start difference. First operand 207 states and 330 transitions. Second operand  has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45)
[2024-11-03 12:51:13,229 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:51:19,989 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.70s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:51:23,993 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:51:28,003 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:51:28,009 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:51:28,010 INFO  L93              Difference]: Finished difference Result 454 states and 731 transitions.
[2024-11-03 12:51:28,438 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 12:51:28,439 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) Word has length 294
[2024-11-03 12:51:28,440 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:51:28,443 INFO  L225             Difference]: With dead ends: 454
[2024-11-03 12:51:28,444 INFO  L226             Difference]: Without dead ends: 250
[2024-11-03 12:51:28,445 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 586 GetRequests, 583 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 12:51:28,446 INFO  L432           NwaCegarLoop]: 252 mSDtfsCounter, 43 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time
[2024-11-03 12:51:28,447 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 441 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 3 Unknown, 0 Unchecked, 16.9s Time]
[2024-11-03 12:51:28,448 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 250 states.
[2024-11-03 12:51:28,475 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 207.
[2024-11-03 12:51:28,478 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 207 states, 139 states have (on average 1.4244604316546763) internal successors, (198), 140 states have internal predecessors, (198), 65 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65)
[2024-11-03 12:51:28,480 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 328 transitions.
[2024-11-03 12:51:28,481 INFO  L78                 Accepts]: Start accepts. Automaton has 207 states and 328 transitions. Word has length 294
[2024-11-03 12:51:28,482 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:51:28,486 INFO  L471      AbstractCegarLoop]: Abstraction has 207 states and 328 transitions.
[2024-11-03 12:51:28,487 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45)
[2024-11-03 12:51:28,487 INFO  L276                IsEmpty]: Start isEmpty. Operand 207 states and 328 transitions.
[2024-11-03 12:51:28,489 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 295
[2024-11-03 12:51:28,490 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:51:28,491 INFO  L215           NwaCegarLoop]: trace histogram [45, 45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:51:28,494 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Forceful destruction successful, exit code 0
[2024-11-03 12:51:28,691 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:51:28,692 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:51:28,692 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:51:28,692 INFO  L85        PathProgramCache]: Analyzing trace with hash 1769335553, now seen corresponding path program 1 times
[2024-11-03 12:51:28,693 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:51:28,693 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1984880449]
[2024-11-03 12:51:28,693 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:51:28,693 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:51:28,693 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:51:28,695 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 12:51:28,696 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process
[2024-11-03 12:51:28,961 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:51:28,964 INFO  L255         TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-03 12:51:28,968 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:51:29,469 INFO  L134       CoverageAnalysis]: Checked inductivity of 3960 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3960 trivial. 0 not checked.
[2024-11-03 12:51:29,470 INFO  L311         TraceCheckSpWp]: Computing backward predicates...