/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_amount250_file-40.i


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


This is Ultimate 0.2.5-dev-17387ad-m
[2024-11-06 08:22:55,421 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-06 08:22:55,477 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 08:22:55,481 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 08:22:55,481 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 08:22:55,504 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 08:22:55,505 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 08:22:55,505 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 08:22:55,506 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 08:22:55,506 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-06 08:22:55,507 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 08:22:55,507 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 08:22:55,507 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 08:22:55,508 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-06 08:22:55,508 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-06 08:22:55,509 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 08:22:55,510 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-06 08:22:55,511 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-06 08:22:55,512 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-06 08:22:55,512 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-06 08:22:55,512 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 08:22:55,512 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 08:22:55,512 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 08:22:55,513 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-06 08:22:55,513 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-06 08:22:55,513 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-06 08:22:55,513 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-06 08:22:55,513 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-06 08:22:55,514 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-06 08:22:55,514 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-06 08:22:55,514 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 08:22:55,514 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-06 08:22:55,514 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 08:22:55,515 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-06 08:22:55,515 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 08:22:55,515 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 08:22:55,515 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 08:22:55,515 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 08:22:55,516 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-06 08:22:55,516 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-06 08:22:55,516 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 08:22:55,518 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 08:22:55,518 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 08:22:55,518 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 08:22:55,518 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX
[2024-11-06 08:22:55,696 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 08:22:55,723 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 08:22:55,725 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 08:22:55,727 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-06 08:22:55,727 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-06 08:22:55,728 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-40.i
[2024-11-06 08:22:57,171 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-06 08:22:57,394 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-06 08:22:57,394 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-40.i
[2024-11-06 08:22:57,411 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/911fb8d4a/1032f4bd066b4f8f8824923efba3db66/FLAGbce0dc31e
[2024-11-06 08:22:57,768 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/911fb8d4a/1032f4bd066b4f8f8824923efba3db66
[2024-11-06 08:22:57,770 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 08:22:57,771 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-06 08:22:57,772 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 08:22:57,772 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 08:22:57,781 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 08:22:57,782 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:22:57" (1/1) ...
[2024-11-06 08:22:57,783 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eeddfdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:22:57, skipping insertion in model container
[2024-11-06 08:22:57,783 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:22:57" (1/1) ...
[2024-11-06 08:22:57,822 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-06 08:22:57,983 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-40.i[916,929]
[2024-11-06 08:22:58,108 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 08:22:58,124 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-06 08:22:58,135 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-40.i[916,929]
[2024-11-06 08:22:58,224 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 08:22:58,246 INFO  L204         MainTranslator]: Completed translation
[2024-11-06 08:22:58,247 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:22:58 WrapperNode
[2024-11-06 08:22:58,247 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 08:22:58,248 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 08:22:58,248 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 08:22:58,248 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 08:22:58,255 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:22:58" (1/1) ...
[2024-11-06 08:22:58,297 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:22:58" (1/1) ...
[2024-11-06 08:22:58,338 INFO  L138                Inliner]: procedures = 27, calls = 59, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 335
[2024-11-06 08:22:58,338 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 08:22:58,339 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 08:22:58,339 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 08:22:58,339 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 08:22:58,348 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:22:58" (1/1) ...
[2024-11-06 08:22:58,348 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:22:58" (1/1) ...
[2024-11-06 08:22:58,354 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:22:58" (1/1) ...
[2024-11-06 08:22:58,369 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 08:22:58,369 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:22:58" (1/1) ...
[2024-11-06 08:22:58,369 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:22:58" (1/1) ...
[2024-11-06 08:22:58,382 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:22:58" (1/1) ...
[2024-11-06 08:22:58,386 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:22:58" (1/1) ...
[2024-11-06 08:22:58,390 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:22:58" (1/1) ...
[2024-11-06 08:22:58,392 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:22:58" (1/1) ...
[2024-11-06 08:22:58,398 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 08:22:58,399 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 08:22:58,399 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 08:22:58,399 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-06 08:22:58,400 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:22:58" (1/1) ...
[2024-11-06 08:22:58,404 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 08:22:58,412 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 08:22:58,434 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 08:22:58,438 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 08:22:58,473 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 08:22:58,473 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-06 08:22:58,473 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-06 08:22:58,473 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-06 08:22:58,473 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 08:22:58,473 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 08:22:58,596 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-06 08:22:58,598 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 08:23:32,699 INFO  L?                        ?]: Removed 47 outVars from TransFormulas that were not future-live.
[2024-11-06 08:23:32,699 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-06 08:23:32,719 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 08:23:32,719 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-06 08:23:32,720 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:23:32 BoogieIcfgContainer
[2024-11-06 08:23:32,720 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 08:23:32,724 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 08:23:32,724 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 08:23:32,728 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-06 08:23:32,728 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:22:57" (1/3) ...
[2024-11-06 08:23:32,729 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cdfef05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:23:32, skipping insertion in model container
[2024-11-06 08:23:32,730 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:22:58" (2/3) ...
[2024-11-06 08:23:32,730 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cdfef05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:23:32, skipping insertion in model container
[2024-11-06 08:23:32,730 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:23:32" (3/3) ...
[2024-11-06 08:23:32,733 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-40.i
[2024-11-06 08:23:32,748 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 08:23:32,749 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 08:23:32,861 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 08:23:32,867 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;@79e370be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 08:23:32,867 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 08:23:32,873 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 145 states, 96 states have (on average 1.5104166666666667) internal successors, (145), 97 states have internal predecessors, (145), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46)
[2024-11-06 08:23:32,896 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 296
[2024-11-06 08:23:32,896 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 08:23:32,897 INFO  L215           NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:23:32,897 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 08:23:32,903 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 08:23:32,904 INFO  L85        PathProgramCache]: Analyzing trace with hash -1582990948, now seen corresponding path program 1 times
[2024-11-06 08:23:32,920 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 08:23:32,920 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [712373753]
[2024-11-06 08:23:32,921 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:23:32,921 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 08:23:32,921 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 08:23:32,925 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 08:23:32,926 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 08:23:34,238 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:23:34,303 INFO  L255         TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-06 08:23:34,318 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 08:23:34,402 INFO  L134       CoverageAnalysis]: Checked inductivity of 4140 backedges. 1890 proven. 0 refuted. 0 times theorem prover too weak. 2250 trivial. 0 not checked.
[2024-11-06 08:23:34,403 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 08:23:34,403 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-06 08:23:34,403 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [712373753]
[2024-11-06 08:23:34,404 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [712373753] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 08:23:34,404 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 08:23:34,404 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-06 08:23:34,408 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356141378]
[2024-11-06 08:23:34,409 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 08:23:34,417 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-06 08:23:34,417 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-06 08:23:34,438 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-06 08:23:34,439 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 08:23:34,441 INFO  L87              Difference]: Start difference. First operand  has 145 states, 96 states have (on average 1.5104166666666667) internal successors, (145), 97 states have internal predecessors, (145), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand  has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46)
[2024-11-06 08:23:34,492 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 08:23:34,492 INFO  L93              Difference]: Finished difference Result 283 states and 514 transitions.
[2024-11-06 08:23:34,495 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-06 08:23:34,497 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 295
[2024-11-06 08:23:34,497 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 08:23:34,509 INFO  L225             Difference]: With dead ends: 283
[2024-11-06 08:23:34,509 INFO  L226             Difference]: Without dead ends: 141
[2024-11-06 08:23:34,513 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 294 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 08:23:34,519 INFO  L432           NwaCegarLoop]: 228 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, 228 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 08:23:34,519 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 08:23:34,536 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 141 states.
[2024-11-06 08:23:34,577 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141.
[2024-11-06 08:23:34,579 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 141 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 93 states have internal predecessors, (136), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46)
[2024-11-06 08:23:34,581 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 228 transitions.
[2024-11-06 08:23:34,583 INFO  L78                 Accepts]: Start accepts. Automaton has 141 states and 228 transitions. Word has length 295
[2024-11-06 08:23:34,584 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 08:23:34,584 INFO  L471      AbstractCegarLoop]: Abstraction has 141 states and 228 transitions.
[2024-11-06 08:23:34,584 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46)
[2024-11-06 08:23:34,585 INFO  L276                IsEmpty]: Start isEmpty. Operand 141 states and 228 transitions.
[2024-11-06 08:23:34,592 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 297
[2024-11-06 08:23:34,592 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 08:23:34,592 INFO  L215           NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:23:34,646 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 08:23:34,796 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 08:23:34,797 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 08:23:34,798 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 08:23:34,798 INFO  L85        PathProgramCache]: Analyzing trace with hash -1196816353, now seen corresponding path program 1 times
[2024-11-06 08:23:34,799 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 08:23:34,800 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1575812936]
[2024-11-06 08:23:34,800 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:23:34,801 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 08:23:34,802 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 08:23:34,805 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 08:23:34,806 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 08:23:36,397 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:23:36,478 INFO  L255         TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-06 08:23:36,493 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 08:23:48,748 INFO  L134       CoverageAnalysis]: Checked inductivity of 4140 backedges. 2138 proven. 132 refuted. 0 times theorem prover too weak. 1870 trivial. 0 not checked.
[2024-11-06 08:23:48,756 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 08:23:49,925 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-06 08:23:49,925 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1575812936]
[2024-11-06 08:23:49,925 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1575812936] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-06 08:23:49,925 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426626953]
[2024-11-06 08:23:49,926 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:23:49,926 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-06 08:23:49,926 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 08:23:49,947 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-06 08:23:49,951 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-06 08:23:50,816 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:23:50,988 INFO  L255         TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-06 08:23:51,002 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 08:23:56,936 INFO  L134       CoverageAnalysis]: Checked inductivity of 4140 backedges. 2113 proven. 69 refuted. 0 times theorem prover too weak. 1958 trivial. 0 not checked.
[2024-11-06 08:23:56,937 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 08:23:57,406 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [426626953] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-06 08:23:57,406 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-06 08:23:57,406 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 10
[2024-11-06 08:23:57,407 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156685628]
[2024-11-06 08:23:57,407 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-06 08:23:57,408 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-06 08:23:57,409 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-06 08:23:57,412 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-06 08:23:57,412 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132
[2024-11-06 08:23:57,413 INFO  L87              Difference]: Start difference. First operand 141 states and 228 transitions. Second operand  has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 3 states have call successors, (68), 3 states have call predecessors, (68), 5 states have return successors, (69), 3 states have call predecessors, (69), 3 states have call successors, (69)
[2024-11-06 08:24:12,741 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.46s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:24:16,753 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:24:20,763 WARN  L539   Checker$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 []
[2024-11-06 08:24:24,772 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:24:28,782 WARN  L539   Checker$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 []
[2024-11-06 08:24:32,794 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:24:36,799 WARN  L539   Checker$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 []
[2024-11-06 08:24:36,803 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 08:24:36,803 INFO  L93              Difference]: Finished difference Result 289 states and 461 transitions.
[2024-11-06 08:24:37,030 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2024-11-06 08:24:37,030 INFO  L78                 Accepts]: Start accepts. Automaton has  has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 3 states have call successors, (68), 3 states have call predecessors, (68), 5 states have return successors, (69), 3 states have call predecessors, (69), 3 states have call successors, (69) Word has length 296
[2024-11-06 08:24:37,033 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 08:24:37,035 INFO  L225             Difference]: With dead ends: 289
[2024-11-06 08:24:37,035 INFO  L226             Difference]: Without dead ends: 151
[2024-11-06 08:24:37,036 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 667 GetRequests, 653 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240
[2024-11-06 08:24:37,037 INFO  L432           NwaCegarLoop]: 176 mSDtfsCounter, 250 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 60 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 913 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.3s IncrementalHoareTripleChecker+Time
[2024-11-06 08:24:37,037 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 913 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 447 Invalid, 7 Unknown, 0 Unchecked, 38.3s Time]
[2024-11-06 08:24:37,038 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 151 states.
[2024-11-06 08:24:37,057 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 149.
[2024-11-06 08:24:37,060 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 149 states, 99 states have (on average 1.4242424242424243) internal successors, (141), 99 states have internal predecessors, (141), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46)
[2024-11-06 08:24:37,062 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 233 transitions.
[2024-11-06 08:24:37,062 INFO  L78                 Accepts]: Start accepts. Automaton has 149 states and 233 transitions. Word has length 296
[2024-11-06 08:24:37,065 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 08:24:37,065 INFO  L471      AbstractCegarLoop]: Abstraction has 149 states and 233 transitions.
[2024-11-06 08:24:37,065 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 3 states have call successors, (68), 3 states have call predecessors, (68), 5 states have return successors, (69), 3 states have call predecessors, (69), 3 states have call successors, (69)
[2024-11-06 08:24:37,066 INFO  L276                IsEmpty]: Start isEmpty. Operand 149 states and 233 transitions.
[2024-11-06 08:24:37,071 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 298
[2024-11-06 08:24:37,071 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 08:24:37,071 INFO  L215           NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:24:37,111 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 08:24:37,385 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-06 08:24:37,476 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=3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-06 08:24:37,478 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 08:24:37,478 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 08:24:37,478 INFO  L85        PathProgramCache]: Analyzing trace with hash -1717032168, now seen corresponding path program 1 times
[2024-11-06 08:24:37,479 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 08:24:37,479 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1310069076]
[2024-11-06 08:24:37,479 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:24:37,479 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 08:24:37,480 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 08:24:37,484 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 08:24:37,488 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 08:24:39,244 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:24:39,351 INFO  L255         TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-11-06 08:24:39,359 INFO  L278         TraceCheckSpWp]: Computing forward predicates...