/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 --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy FOX -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-47.i


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


This is Ultimate 0.2.5-dev-17387ad-m
[2024-11-06 08:07:12,581 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-06 08:07:12,670 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-06 08:07:12,675 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 08:07:12,676 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 08:07:12,703 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 08:07:12,704 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 08:07:12,704 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 08:07:12,705 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 08:07:12,706 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-06 08:07:12,707 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 08:07:12,707 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 08:07:12,710 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 08:07:12,710 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-06 08:07:12,710 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-06 08:07:12,710 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 08:07:12,711 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-06 08:07:12,711 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-06 08:07:12,711 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-06 08:07:12,711 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-06 08:07:12,712 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 08:07:12,712 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 08:07:12,712 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 08:07:12,713 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-06 08:07:12,713 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-06 08:07:12,713 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-06 08:07:12,713 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-06 08:07:12,714 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-06 08:07:12,714 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-06 08:07:12,714 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-06 08:07:12,714 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 08:07:12,715 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-06 08:07:12,715 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 08:07:12,715 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-06 08:07:12,715 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 08:07:12,716 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 08:07:12,716 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 08:07:12,716 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 08:07:12,716 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-06 08:07:12,716 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-06 08:07:12,717 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 08:07:12,717 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 08:07:12,717 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 08:07:12,718 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 08:07:12,718 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX
[2024-11-06 08:07:12,975 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 08:07:13,002 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 08:07:13,004 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 08:07:13,005 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-06 08:07:13,005 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-06 08:07:13,006 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-47.i
[2024-11-06 08:07:14,547 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-06 08:07:14,792 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-06 08:07:14,793 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-47.i
[2024-11-06 08:07:14,808 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d32e8cd3/c365574954d44487860c531f426a582f/FLAG8a571c1ea
[2024-11-06 08:07:14,828 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d32e8cd3/c365574954d44487860c531f426a582f
[2024-11-06 08:07:14,831 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 08:07:14,834 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-06 08:07:14,835 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 08:07:14,836 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 08:07:14,841 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 08:07:14,842 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:07:14" (1/1) ...
[2024-11-06 08:07:14,843 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1950d703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:07:14, skipping insertion in model container
[2024-11-06 08:07:14,844 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:07:14" (1/1) ...
[2024-11-06 08:07:14,885 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-06 08:07:15,067 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-47.i[916,929]
[2024-11-06 08:07:15,168 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 08:07:15,196 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-06 08:07:15,207 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-47.i[916,929]
[2024-11-06 08:07:15,260 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 08:07:15,284 INFO  L204         MainTranslator]: Completed translation
[2024-11-06 08:07:15,287 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:07:15 WrapperNode
[2024-11-06 08:07:15,288 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 08:07:15,289 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 08:07:15,289 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 08:07:15,289 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 08:07:15,299 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:07:15" (1/1) ...
[2024-11-06 08:07:15,318 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:07:15" (1/1) ...
[2024-11-06 08:07:15,348 INFO  L138                Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 228
[2024-11-06 08:07:15,348 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 08:07:15,349 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 08:07:15,349 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 08:07:15,349 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 08:07:15,361 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:07:15" (1/1) ...
[2024-11-06 08:07:15,361 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:07:15" (1/1) ...
[2024-11-06 08:07:15,371 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:07:15" (1/1) ...
[2024-11-06 08:07:15,396 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].
[2024-11-06 08:07:15,397 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:07:15" (1/1) ...
[2024-11-06 08:07:15,397 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:07:15" (1/1) ...
[2024-11-06 08:07:15,409 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:07:15" (1/1) ...
[2024-11-06 08:07:15,413 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:07:15" (1/1) ...
[2024-11-06 08:07:15,416 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:07:15" (1/1) ...
[2024-11-06 08:07:15,419 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:07:15" (1/1) ...
[2024-11-06 08:07:15,428 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 08:07:15,429 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 08:07:15,429 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 08:07:15,436 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-06 08:07:15,437 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:07:15" (1/1) ...
[2024-11-06 08:07:15,447 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 08:07:15,465 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 08:07:15,481 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)
[2024-11-06 08:07:15,486 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
[2024-11-06 08:07:15,541 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 08:07:15,541 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-06 08:07:15,541 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-06 08:07:15,542 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-06 08:07:15,542 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 08:07:15,542 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 08:07:15,663 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-06 08:07:15,666 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 08:07:16,228 INFO  L?                        ?]: Removed 34 outVars from TransFormulas that were not future-live.
[2024-11-06 08:07:16,229 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-06 08:07:16,245 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 08:07:16,245 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-06 08:07:16,245 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:07:16 BoogieIcfgContainer
[2024-11-06 08:07:16,246 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 08:07:16,249 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 08:07:16,249 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 08:07:16,253 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-06 08:07:16,253 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:07:14" (1/3) ...
[2024-11-06 08:07:16,254 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b33d18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:07:16, skipping insertion in model container
[2024-11-06 08:07:16,254 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:07:15" (2/3) ...
[2024-11-06 08:07:16,254 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b33d18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:07:16, skipping insertion in model container
[2024-11-06 08:07:16,254 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:07:16" (3/3) ...
[2024-11-06 08:07:16,257 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-47.i
[2024-11-06 08:07:16,275 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 08:07:16,275 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 08:07:16,339 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 08:07:16,347 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;@42790385, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 08:07:16,348 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 08:07:16,353 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 98 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 63 states have internal predecessors, (90), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33)
[2024-11-06 08:07:16,373 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 209
[2024-11-06 08:07:16,373 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 08:07:16,374 INFO  L215           NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 08:07:16,375 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 08:07:16,381 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 08:07:16,382 INFO  L85        PathProgramCache]: Analyzing trace with hash -507692883, now seen corresponding path program 1 times
[2024-11-06 08:07:16,394 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 08:07:16,395 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1854974301]
[2024-11-06 08:07:16,395 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:07:16,395 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 08:07:16,396 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 08:07:16,397 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-06 08:07:16,399 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2024-11-06 08:07:16,681 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:07:16,693 INFO  L255         TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-06 08:07:16,713 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 08:07:16,790 INFO  L134       CoverageAnalysis]: Checked inductivity of 2112 backedges. 764 proven. 0 refuted. 0 times theorem prover too weak. 1348 trivial. 0 not checked.
[2024-11-06 08:07:16,791 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 08:07:16,796 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-06 08:07:16,796 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1854974301]
[2024-11-06 08:07:16,802 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1854974301] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 08:07:16,802 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 08:07:16,803 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-06 08:07:16,805 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425299957]
[2024-11-06 08:07:16,806 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 08:07:16,812 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-06 08:07:16,813 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-06 08:07:16,840 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-06 08:07:16,841 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 08:07:16,844 INFO  L87              Difference]: Start difference. First operand  has 98 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 63 states have internal predecessors, (90), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand  has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33)
[2024-11-06 08:07:16,897 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 08:07:16,897 INFO  L93              Difference]: Finished difference Result 189 states and 339 transitions.
[2024-11-06 08:07:16,901 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-06 08:07:16,902 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 208
[2024-11-06 08:07:16,903 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 08:07:16,915 INFO  L225             Difference]: With dead ends: 189
[2024-11-06 08:07:16,915 INFO  L226             Difference]: Without dead ends: 94
[2024-11-06 08:07:16,921 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 08:07:16,925 INFO  L432           NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-06 08:07:16,926 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 08:07:16,944 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 94 states.
[2024-11-06 08:07:16,969 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94.
[2024-11-06 08:07:16,971 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 94 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 59 states have internal predecessors, (83), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33)
[2024-11-06 08:07:16,973 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 149 transitions.
[2024-11-06 08:07:16,977 INFO  L78                 Accepts]: Start accepts. Automaton has 94 states and 149 transitions. Word has length 208
[2024-11-06 08:07:16,977 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 08:07:16,978 INFO  L471      AbstractCegarLoop]: Abstraction has 94 states and 149 transitions.
[2024-11-06 08:07:16,978 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33)
[2024-11-06 08:07:16,978 INFO  L276                IsEmpty]: Start isEmpty. Operand 94 states and 149 transitions.
[2024-11-06 08:07:16,983 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 209
[2024-11-06 08:07:16,983 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 08:07:16,983 INFO  L215           NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 08:07:16,991 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2024-11-06 08:07:17,184 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 08:07:17,185 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 08:07:17,186 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 08:07:17,186 INFO  L85        PathProgramCache]: Analyzing trace with hash 687701747, now seen corresponding path program 1 times
[2024-11-06 08:07:17,188 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 08:07:17,188 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [462814924]
[2024-11-06 08:07:17,188 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:07:17,189 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 08:07:17,189 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 08:07:17,193 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-06 08:07:17,195 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2024-11-06 08:07:17,420 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:07:17,430 INFO  L255         TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-06 08:07:17,439 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 08:07:18,064 INFO  L134       CoverageAnalysis]: Checked inductivity of 2112 backedges. 1223 proven. 48 refuted. 0 times theorem prover too weak. 841 trivial. 0 not checked.
[2024-11-06 08:07:18,065 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 08:07:18,618 INFO  L134       CoverageAnalysis]: Checked inductivity of 2112 backedges. 138 proven. 51 refuted. 0 times theorem prover too weak. 1923 trivial. 0 not checked.
[2024-11-06 08:07:18,619 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-06 08:07:18,619 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [462814924]
[2024-11-06 08:07:18,619 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [462814924] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-06 08:07:18,619 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-06 08:07:18,619 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16
[2024-11-06 08:07:18,620 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103125046]
[2024-11-06 08:07:18,620 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-06 08:07:18,624 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2024-11-06 08:07:18,624 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-06 08:07:18,626 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2024-11-06 08:07:18,627 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240
[2024-11-06 08:07:18,627 INFO  L87              Difference]: Start difference. First operand 94 states and 149 transitions. Second operand  has 16 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 3 states have call successors, (48), 3 states have call predecessors, (48), 7 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49)
[2024-11-06 08:07:19,878 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 08:07:19,879 INFO  L93              Difference]: Finished difference Result 200 states and 306 transitions.
[2024-11-06 08:07:19,885 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2024-11-06 08:07:19,886 INFO  L78                 Accepts]: Start accepts. Automaton has  has 16 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 3 states have call successors, (48), 3 states have call predecessors, (48), 7 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 208
[2024-11-06 08:07:19,887 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 08:07:19,889 INFO  L225             Difference]: With dead ends: 200
[2024-11-06 08:07:19,889 INFO  L226             Difference]: Without dead ends: 109
[2024-11-06 08:07:19,890 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 425 GetRequests, 400 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=198, Invalid=452, Unknown=0, NotChecked=0, Total=650
[2024-11-06 08:07:19,891 INFO  L432           NwaCegarLoop]: 97 mSDtfsCounter, 141 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-06 08:07:19,892 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 442 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-06 08:07:19,893 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 109 states.
[2024-11-06 08:07:19,913 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 105.
[2024-11-06 08:07:19,915 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 105 states, 67 states have (on average 1.2686567164179106) internal successors, (85), 67 states have internal predecessors, (85), 33 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33)
[2024-11-06 08:07:19,917 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 151 transitions.
[2024-11-06 08:07:19,918 INFO  L78                 Accepts]: Start accepts. Automaton has 105 states and 151 transitions. Word has length 208
[2024-11-06 08:07:19,919 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 08:07:19,919 INFO  L471      AbstractCegarLoop]: Abstraction has 105 states and 151 transitions.
[2024-11-06 08:07:19,920 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 16 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 3 states have call successors, (48), 3 states have call predecessors, (48), 7 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49)
[2024-11-06 08:07:19,920 INFO  L276                IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions.
[2024-11-06 08:07:19,923 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 210
[2024-11-06 08:07:19,924 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 08:07:19,924 INFO  L215           NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 08:07:19,936 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2024-11-06 08:07:20,124 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 08:07:20,126 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 08:07:20,127 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 08:07:20,127 INFO  L85        PathProgramCache]: Analyzing trace with hash -391642492, now seen corresponding path program 1 times
[2024-11-06 08:07:20,128 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 08:07:20,128 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1869654057]
[2024-11-06 08:07:20,128 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:07:20,128 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 08:07:20,129 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 08:07:20,131 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-06 08:07:20,132 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2024-11-06 08:07:20,351 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:07:20,362 INFO  L255         TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-06 08:07:20,367 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 08:07:20,384 INFO  L134       CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked.
[2024-11-06 08:07:20,384 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 08:07:20,385 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-06 08:07:20,385 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1869654057]
[2024-11-06 08:07:20,385 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1869654057] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 08:07:20,385 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 08:07:20,385 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-06 08:07:20,385 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866642137]
[2024-11-06 08:07:20,386 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 08:07:20,386 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-06 08:07:20,386 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-06 08:07:20,387 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-06 08:07:20,387 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-06 08:07:20,387 INFO  L87              Difference]: Start difference. First operand 105 states and 151 transitions. Second operand  has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33)
[2024-11-06 08:07:20,443 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 08:07:20,443 INFO  L93              Difference]: Finished difference Result 207 states and 299 transitions.
[2024-11-06 08:07:20,449 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-06 08:07:20,450 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 209
[2024-11-06 08:07:20,451 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 08:07:20,453 INFO  L225             Difference]: With dead ends: 207
[2024-11-06 08:07:20,453 INFO  L226             Difference]: Without dead ends: 105
[2024-11-06 08:07:20,454 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-06 08:07:20,455 INFO  L432           NwaCegarLoop]: 140 mSDtfsCounter, 0 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-06 08:07:20,456 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 275 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 08:07:20,456 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 105 states.
[2024-11-06 08:07:20,469 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105.
[2024-11-06 08:07:20,469 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 105 states, 67 states have (on average 1.2537313432835822) internal successors, (84), 67 states have internal predecessors, (84), 33 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33)
[2024-11-06 08:07:20,470 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 150 transitions.
[2024-11-06 08:07:20,471 INFO  L78                 Accepts]: Start accepts. Automaton has 105 states and 150 transitions. Word has length 209
[2024-11-06 08:07:20,472 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 08:07:20,472 INFO  L471      AbstractCegarLoop]: Abstraction has 105 states and 150 transitions.
[2024-11-06 08:07:20,472 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33)
[2024-11-06 08:07:20,473 INFO  L276                IsEmpty]: Start isEmpty. Operand 105 states and 150 transitions.
[2024-11-06 08:07:20,478 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 211
[2024-11-06 08:07:20,478 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 08:07:20,478 INFO  L215           NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 08:07:20,488 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0
[2024-11-06 08:07:20,679 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 08:07:20,680 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 08:07:20,680 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 08:07:20,680 INFO  L85        PathProgramCache]: Analyzing trace with hash -2087064376, now seen corresponding path program 1 times
[2024-11-06 08:07:20,681 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 08:07:20,681 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [85504319]
[2024-11-06 08:07:20,681 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:07:20,682 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 08:07:20,682 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 08:07:20,685 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-06 08:07:20,687 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2024-11-06 08:07:20,907 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:07:20,916 INFO  L255         TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 12 conjuncts are in the unsatisfiable core
[2024-11-06 08:07:20,921 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 08:07:22,178 INFO  L134       CoverageAnalysis]: Checked inductivity of 2112 backedges. 1060 proven. 198 refuted. 0 times theorem prover too weak. 854 trivial. 0 not checked.
[2024-11-06 08:07:22,179 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 08:07:22,308 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-06 08:07:22,308 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [85504319]
[2024-11-06 08:07:22,308 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [85504319] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-06 08:07:22,309 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768327889]
[2024-11-06 08:07:22,309 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:07:22,309 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-06 08:07:22,309 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 08:07:22,332 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-06 08:07:22,337 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-06 08:07:22,517 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:07:22,529 INFO  L255         TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 12 conjuncts are in the unsatisfiable core
[2024-11-06 08:07:22,537 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 08:07:23,531 INFO  L134       CoverageAnalysis]: Checked inductivity of 2112 backedges. 1060 proven. 198 refuted. 0 times theorem prover too weak. 854 trivial. 0 not checked.
[2024-11-06 08:07:23,531 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 08:07:23,572 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768327889] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-06 08:07:23,572 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-06 08:07:23,572 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 13
[2024-11-06 08:07:23,572 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541056592]
[2024-11-06 08:07:23,572 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-06 08:07:23,573 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-11-06 08:07:23,573 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-06 08:07:23,574 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-11-06 08:07:23,574 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240
[2024-11-06 08:07:23,574 INFO  L87              Difference]: Start difference. First operand 105 states and 150 transitions. Second operand  has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 12 states have internal predecessors, (63), 4 states have call successors, (33), 4 states have call predecessors, (33), 6 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33)
[2024-11-06 08:07:26,240 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 08:07:26,241 INFO  L93              Difference]: Finished difference Result 341 states and 470 transitions.
[2024-11-06 08:07:26,242 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. 
[2024-11-06 08:07:26,242 INFO  L78                 Accepts]: Start accepts. Automaton has  has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 12 states have internal predecessors, (63), 4 states have call successors, (33), 4 states have call predecessors, (33), 6 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) Word has length 210
[2024-11-06 08:07:26,243 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 08:07:26,245 INFO  L225             Difference]: With dead ends: 341
[2024-11-06 08:07:26,245 INFO  L226             Difference]: Without dead ends: 239
[2024-11-06 08:07:26,247 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 485 GetRequests, 455 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=235, Invalid=757, Unknown=0, NotChecked=0, Total=992
[2024-11-06 08:07:26,247 INFO  L432           NwaCegarLoop]: 159 mSDtfsCounter, 271 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 837 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 699 SdHoareTripleChecker+Invalid, 917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time
[2024-11-06 08:07:26,248 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 699 Invalid, 917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 837 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time]
[2024-11-06 08:07:26,249 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 239 states.
[2024-11-06 08:07:26,281 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 229.
[2024-11-06 08:07:26,282 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 229 states, 148 states have (on average 1.222972972972973) internal successors, (181), 148 states have internal predecessors, (181), 66 states have call successors, (66), 14 states have call predecessors, (66), 14 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66)
[2024-11-06 08:07:26,283 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 313 transitions.
[2024-11-06 08:07:26,284 INFO  L78                 Accepts]: Start accepts. Automaton has 229 states and 313 transitions. Word has length 210
[2024-11-06 08:07:26,284 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 08:07:26,284 INFO  L471      AbstractCegarLoop]: Abstraction has 229 states and 313 transitions.
[2024-11-06 08:07:26,285 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 12 states have internal predecessors, (63), 4 states have call successors, (33), 4 states have call predecessors, (33), 6 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33)
[2024-11-06 08:07:26,285 INFO  L276                IsEmpty]: Start isEmpty. Operand 229 states and 313 transitions.
[2024-11-06 08:07:26,287 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 211
[2024-11-06 08:07:26,287 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 08:07:26,287 INFO  L215           NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 08:07:26,296 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0
[2024-11-06 08:07:26,510 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2024-11-06 08:07:26,695 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-06 08:07:26,696 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 08:07:26,697 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 08:07:26,697 INFO  L85        PathProgramCache]: Analyzing trace with hash 619555018, now seen corresponding path program 1 times
[2024-11-06 08:07:26,698 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 08:07:26,698 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1541620717]
[2024-11-06 08:07:26,699 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:07:26,699 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 08:07:26,699 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 08:07:26,703 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-06 08:07:26,704 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process
[2024-11-06 08:07:26,885 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:07:26,893 INFO  L255         TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 50 conjuncts are in the unsatisfiable core
[2024-11-06 08:07:26,900 INFO  L278         TraceCheckSpWp]: Computing forward predicates...