/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-40.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 12:32:04,244 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 12:32:04,325 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-03 12:32:04,329 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 12:32:04,329 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 12:32:04,352 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 12:32:04,352 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 12:32:04,353 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 12:32:04,353 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 12:32:04,356 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 12:32:04,356 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 12:32:04,357 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 12:32:04,357 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 12:32:04,357 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 12:32:04,357 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 12:32:04,358 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 12:32:04,358 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 12:32:04,358 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 12:32:04,358 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 12:32:04,358 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 12:32:04,359 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 12:32:04,360 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 12:32:04,360 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 12:32:04,360 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 12:32:04,360 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 12:32:04,361 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 12:32:04,361 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 12:32:04,361 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 12:32:04,361 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 12:32:04,361 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 12:32:04,362 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 12:32:04,362 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 12:32:04,362 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 12:32:04,362 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 12:32:04,362 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:32:04,362 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 12:32:04,363 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 12:32:04,363 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 12:32:04,363 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 12:32:04,363 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 12:32:04,364 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 12:32:04,364 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 12:32:04,364 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 12:32:04,364 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 12:32:04,365 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla
[2024-11-03 12:32:04,566 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 12:32:04,584 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 12:32:04,588 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 12:32:04,589 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 12:32:04,590 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 12:32:04,591 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-40.i
[2024-11-03 12:32:06,012 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 12:32:06,182 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 12:32:06,182 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-40.i
[2024-11-03 12:32:06,191 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e982d589/aa8d8ee13f01440392d19fb33ba35ac3/FLAGb08e5757e
[2024-11-03 12:32:06,210 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e982d589/aa8d8ee13f01440392d19fb33ba35ac3
[2024-11-03 12:32:06,212 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 12:32:06,213 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 12:32:06,214 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 12:32:06,215 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 12:32:06,222 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 12:32:06,222 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:32:06" (1/1) ...
[2024-11-03 12:32:06,224 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a4e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:32:06, skipping insertion in model container
[2024-11-03 12:32:06,224 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:32:06" (1/1) ...
[2024-11-03 12:32:06,251 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 12:32:06,402 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-40.i[916,929]
[2024-11-03 12:32:06,484 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:32:06,499 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 12:32:06,509 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-40.i[916,929]
[2024-11-03 12:32:06,540 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:32:06,557 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 12:32:06,558 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:32:06 WrapperNode
[2024-11-03 12:32:06,558 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 12:32:06,559 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 12:32:06,559 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 12:32:06,559 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 12:32:06,565 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:32:06" (1/1) ...
[2024-11-03 12:32:06,575 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:32:06" (1/1) ...
[2024-11-03 12:32:06,601 INFO  L138                Inliner]: procedures = 27, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 224
[2024-11-03 12:32:06,602 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 12:32:06,603 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 12:32:06,603 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 12:32:06,603 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 12:32:06,616 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:32:06" (1/1) ...
[2024-11-03 12:32:06,617 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:32:06" (1/1) ...
[2024-11-03 12:32:06,622 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:32:06" (1/1) ...
[2024-11-03 12:32:06,639 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-03 12:32:06,640 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:32:06" (1/1) ...
[2024-11-03 12:32:06,640 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:32:06" (1/1) ...
[2024-11-03 12:32:06,650 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:32:06" (1/1) ...
[2024-11-03 12:32:06,653 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:32:06" (1/1) ...
[2024-11-03 12:32:06,656 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:32:06" (1/1) ...
[2024-11-03 12:32:06,659 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:32:06" (1/1) ...
[2024-11-03 12:32:06,665 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 12:32:06,667 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 12:32:06,667 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 12:32:06,667 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 12:32:06,668 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:32:06" (1/1) ...
[2024-11-03 12:32:06,676 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:32:06,686 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 12:32:06,699 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-03 12:32:06,706 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-03 12:32:06,751 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 12:32:06,751 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 12:32:06,752 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 12:32:06,752 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 12:32:06,752 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 12:32:06,753 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 12:32:06,844 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 12:32:06,846 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 12:32:17,605 INFO  L?                        ?]: Removed 22 outVars from TransFormulas that were not future-live.
[2024-11-03 12:32:17,606 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 12:32:17,618 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 12:32:17,618 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 12:32:17,618 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:32:17 BoogieIcfgContainer
[2024-11-03 12:32:17,618 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 12:32:17,620 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 12:32:17,620 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 12:32:17,626 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 12:32:17,626 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:32:06" (1/3) ...
[2024-11-03 12:32:17,627 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fc51358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:32:17, skipping insertion in model container
[2024-11-03 12:32:17,627 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:32:06" (2/3) ...
[2024-11-03 12:32:17,627 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fc51358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:32:17, skipping insertion in model container
[2024-11-03 12:32:17,627 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:32:17" (3/3) ...
[2024-11-03 12:32:17,628 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-40.i
[2024-11-03 12:32:17,643 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 12:32:17,643 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 12:32:17,701 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 12:32:17,705 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;@575a8efa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 12:32:17,706 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 12:32:17,710 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 105 states, 67 states have (on average 1.4179104477611941) internal successors, (95), 68 states have internal predecessors, (95), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35)
[2024-11-03 12:32:17,721 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 223
[2024-11-03 12:32:17,721 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:32:17,722 INFO  L215           NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 12:32:17,722 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:32:17,726 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:32:17,726 INFO  L85        PathProgramCache]: Analyzing trace with hash -426897818, now seen corresponding path program 1 times
[2024-11-03 12:32:17,732 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:32:17,733 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [721340596]
[2024-11-03 12:32:17,733 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:32:17,735 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:32:17,735 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:32:17,736 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 12:32:17,737 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process
[2024-11-03 12:32:17,891 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:32:17,893 INFO  L255         TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 12:32:17,903 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:32:17,944 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 2312 trivial. 0 not checked.
[2024-11-03 12:32:17,945 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:32:19,372 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 2312 trivial. 0 not checked.
[2024-11-03 12:32:19,373 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:32:19,373 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [721340596]
[2024-11-03 12:32:19,374 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [721340596] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:32:19,374 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:32:19,374 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 12:32:19,377 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923674170]
[2024-11-03 12:32:19,378 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:32:19,385 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 12:32:19,386 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:32:19,407 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 12:32:19,407 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 12:32:19,410 INFO  L87              Difference]: Start difference. First operand  has 105 states, 67 states have (on average 1.4179104477611941) internal successors, (95), 68 states have internal predecessors, (95), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand  has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 1 states have call successors, (35), 1 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 1 states have call successors, (35)
[2024-11-03 12:32:19,443 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:32:19,444 INFO  L93              Difference]: Finished difference Result 203 states and 359 transitions.
[2024-11-03 12:32:19,445 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 12:32:19,446 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 1 states have call successors, (35), 1 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 1 states have call successors, (35) Word has length 222
[2024-11-03 12:32:19,446 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:32:19,452 INFO  L225             Difference]: With dead ends: 203
[2024-11-03 12:32:19,452 INFO  L226             Difference]: Without dead ends: 101
[2024-11-03 12:32:19,455 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 442 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 12:32:19,462 INFO  L432           NwaCegarLoop]: 158 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, 158 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-03 12:32:19,463 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 12:32:19,486 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 101 states.
[2024-11-03 12:32:19,529 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101.
[2024-11-03 12:32:19,531 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 101 states, 64 states have (on average 1.375) internal successors, (88), 64 states have internal predecessors, (88), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35)
[2024-11-03 12:32:19,533 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 158 transitions.
[2024-11-03 12:32:19,540 INFO  L78                 Accepts]: Start accepts. Automaton has 101 states and 158 transitions. Word has length 222
[2024-11-03 12:32:19,541 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:32:19,541 INFO  L471      AbstractCegarLoop]: Abstraction has 101 states and 158 transitions.
[2024-11-03 12:32:19,541 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 1 states have call successors, (35), 1 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 1 states have call successors, (35)
[2024-11-03 12:32:19,541 INFO  L276                IsEmpty]: Start isEmpty. Operand 101 states and 158 transitions.
[2024-11-03 12:32:19,548 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 223
[2024-11-03 12:32:19,549 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:32:19,549 INFO  L215           NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 12:32:19,559 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0
[2024-11-03 12:32:19,750 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:32:19,750 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:32:19,751 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:32:19,751 INFO  L85        PathProgramCache]: Analyzing trace with hash -1744662344, now seen corresponding path program 1 times
[2024-11-03 12:32:19,751 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:32:19,752 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [771275179]
[2024-11-03 12:32:19,752 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:32:19,752 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:32:19,753 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:32:19,758 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 12:32:19,759 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process
[2024-11-03 12:32:19,869 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:32:19,871 INFO  L255         TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 12:32:19,876 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:32:20,077 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked.
[2024-11-03 12:32:20,078 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:32:21,694 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked.
[2024-11-03 12:32:21,695 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:32:21,695 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [771275179]
[2024-11-03 12:32:21,699 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [771275179] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:32:21,699 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:32:21,700 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 12:32:21,700 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060191138]
[2024-11-03 12:32:21,700 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:32:21,702 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 12:32:21,702 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:32:21,703 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 12:32:21,703 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 12:32:21,704 INFO  L87              Difference]: Start difference. First operand 101 states and 158 transitions. Second operand  has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35)
[2024-11-03 12:32:26,191 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:32:30,196 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 12:32:30,293 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:32:30,294 INFO  L93              Difference]: Finished difference Result 250 states and 391 transitions.
[2024-11-03 12:32:30,294 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 12:32:30,294 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 222
[2024-11-03 12:32:30,295 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:32:30,297 INFO  L225             Difference]: With dead ends: 250
[2024-11-03 12:32:30,300 INFO  L226             Difference]: Without dead ends: 152
[2024-11-03 12:32:30,301 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 441 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 12:32:30,302 INFO  L432           NwaCegarLoop]: 205 mSDtfsCounter, 72 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time
[2024-11-03 12:32:30,302 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 343 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 17 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time]
[2024-11-03 12:32:30,303 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 152 states.
[2024-11-03 12:32:30,328 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 149.
[2024-11-03 12:32:30,328 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 149 states, 100 states have (on average 1.39) internal successors, (139), 101 states have internal predecessors, (139), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46)
[2024-11-03 12:32:30,330 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 231 transitions.
[2024-11-03 12:32:30,330 INFO  L78                 Accepts]: Start accepts. Automaton has 149 states and 231 transitions. Word has length 222
[2024-11-03 12:32:30,331 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:32:30,331 INFO  L471      AbstractCegarLoop]: Abstraction has 149 states and 231 transitions.
[2024-11-03 12:32:30,332 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35)
[2024-11-03 12:32:30,333 INFO  L276                IsEmpty]: Start isEmpty. Operand 149 states and 231 transitions.
[2024-11-03 12:32:30,338 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 224
[2024-11-03 12:32:30,338 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:32:30,338 INFO  L215           NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 12:32:30,346 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0
[2024-11-03 12:32:30,542 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:32:30,543 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:32:30,543 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:32:30,544 INFO  L85        PathProgramCache]: Analyzing trace with hash 1732120886, now seen corresponding path program 1 times
[2024-11-03 12:32:30,544 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:32:30,544 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1212768361]
[2024-11-03 12:32:30,544 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:32:30,544 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:32:30,544 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:32:30,546 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 12:32:30,547 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process
[2024-11-03 12:32:30,664 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:32:30,667 INFO  L255         TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 16 conjuncts are in the unsatisfiable core
[2024-11-03 12:32:30,674 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:32:40,326 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 1254 proven. 204 refuted. 0 times theorem prover too weak. 922 trivial. 0 not checked.
[2024-11-03 12:32:40,326 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:32:46,881 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 132 proven. 165 refuted. 0 times theorem prover too weak. 2083 trivial. 0 not checked.
[2024-11-03 12:32:46,881 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:32:46,881 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1212768361]
[2024-11-03 12:32:46,881 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1212768361] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 12:32:46,882 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 12:32:46,882 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23
[2024-11-03 12:32:46,882 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519127456]
[2024-11-03 12:32:46,882 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 12:32:46,883 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 23 states
[2024-11-03 12:32:46,883 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:32:46,883 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants.
[2024-11-03 12:32:46,884 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=335, Unknown=0, NotChecked=0, Total=506
[2024-11-03 12:32:46,884 INFO  L87              Difference]: Start difference. First operand 149 states and 231 transitions. Second operand  has 23 states, 22 states have (on average 4.136363636363637) internal successors, (91), 20 states have internal predecessors, (91), 8 states have call successors, (55), 5 states have call predecessors, (55), 9 states have return successors, (56), 8 states have call predecessors, (56), 8 states have call successors, (56)
[2024-11-03 12:32:59,843 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:33:03,846 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:33:07,857 WARN  L539   Checker$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 12:33:11,870 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:33:15,879 WARN  L539   Checker$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 12:33:19,885 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:33:23,888 WARN  L539   Checker$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 12:33:27,901 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:33:31,910 WARN  L539   Checker$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 12:33:32,093 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:33:32,093 INFO  L93              Difference]: Finished difference Result 315 states and 475 transitions.
[2024-11-03 12:33:32,094 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2024-11-03 12:33:32,094 INFO  L78                 Accepts]: Start accepts. Automaton has  has 23 states, 22 states have (on average 4.136363636363637) internal successors, (91), 20 states have internal predecessors, (91), 8 states have call successors, (55), 5 states have call predecessors, (55), 9 states have return successors, (56), 8 states have call predecessors, (56), 8 states have call successors, (56) Word has length 223
[2024-11-03 12:33:32,095 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:33:32,097 INFO  L225             Difference]: With dead ends: 315
[2024-11-03 12:33:32,098 INFO  L226             Difference]: Without dead ends: 169
[2024-11-03 12:33:32,099 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 450 GetRequests, 421 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=292, Invalid=520, Unknown=0, NotChecked=0, Total=812
[2024-11-03 12:33:32,099 INFO  L432           NwaCegarLoop]: 113 mSDtfsCounter, 216 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 689 mSolverCounterSat, 67 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 726 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 689 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.8s IncrementalHoareTripleChecker+Time
[2024-11-03 12:33:32,100 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 726 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 689 Invalid, 9 Unknown, 0 Unchecked, 43.8s Time]
[2024-11-03 12:33:32,100 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 169 states.
[2024-11-03 12:33:32,114 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 165.
[2024-11-03 12:33:32,115 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 165 states, 112 states have (on average 1.3392857142857142) internal successors, (150), 113 states have internal predecessors, (150), 46 states have call successors, (46), 6 states have call predecessors, (46), 6 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46)
[2024-11-03 12:33:32,116 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 242 transitions.
[2024-11-03 12:33:32,116 INFO  L78                 Accepts]: Start accepts. Automaton has 165 states and 242 transitions. Word has length 223
[2024-11-03 12:33:32,117 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:33:32,117 INFO  L471      AbstractCegarLoop]: Abstraction has 165 states and 242 transitions.
[2024-11-03 12:33:32,117 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 23 states, 22 states have (on average 4.136363636363637) internal successors, (91), 20 states have internal predecessors, (91), 8 states have call successors, (55), 5 states have call predecessors, (55), 9 states have return successors, (56), 8 states have call predecessors, (56), 8 states have call successors, (56)
[2024-11-03 12:33:32,117 INFO  L276                IsEmpty]: Start isEmpty. Operand 165 states and 242 transitions.
[2024-11-03 12:33:32,119 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 225
[2024-11-03 12:33:32,119 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:33:32,119 INFO  L215           NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:33:32,126 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Forceful destruction successful, exit code 0
[2024-11-03 12:33:32,320 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:33:32,320 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:33:32,320 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:33:32,321 INFO  L85        PathProgramCache]: Analyzing trace with hash -1076681360, now seen corresponding path program 1 times
[2024-11-03 12:33:32,321 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:33:32,321 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1621866169]
[2024-11-03 12:33:32,321 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:33:32,321 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:33:32,321 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:33:32,323 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 12:33:32,324 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process
[2024-11-03 12:33:32,541 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:33:32,544 INFO  L255         TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 56 conjuncts are in the unsatisfiable core
[2024-11-03 12:33:32,551 INFO  L278         TraceCheckSpWp]: Computing forward predicates...