/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-23.i


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


This is Ultimate 0.2.5-dev-17387ad-m
[2024-11-06 08:03:54,195 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-06 08:03:54,270 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 08:03:54,276 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 08:03:54,277 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 08:03:54,306 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 08:03:54,306 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 08:03:54,307 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 08:03:54,308 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 08:03:54,308 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-06 08:03:54,309 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 08:03:54,310 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 08:03:54,310 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 08:03:54,311 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-06 08:03:54,311 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-06 08:03:54,311 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 08:03:54,311 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-06 08:03:54,312 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-06 08:03:54,312 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-06 08:03:54,312 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-06 08:03:54,312 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 08:03:54,314 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 08:03:54,315 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 08:03:54,315 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-06 08:03:54,315 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-06 08:03:54,315 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-06 08:03:54,316 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-06 08:03:54,316 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-06 08:03:54,316 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-06 08:03:54,316 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-06 08:03:54,317 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 08:03:54,317 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-06 08:03:54,317 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 08:03:54,317 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-06 08:03:54,317 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 08:03:54,318 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 08:03:54,318 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 08:03:54,318 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 08:03:54,318 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-06 08:03:54,319 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-06 08:03:54,319 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 08:03:54,319 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 08:03:54,319 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 08:03:54,320 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 08:03:54,320 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX
[2024-11-06 08:03:54,552 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 08:03:54,575 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 08:03:54,577 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 08:03:54,578 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-06 08:03:54,579 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-06 08:03:54,580 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-23.i
[2024-11-06 08:03:55,992 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-06 08:03:56,258 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-06 08:03:56,259 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-23.i
[2024-11-06 08:03:56,271 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5096c9342/34161e63f24b4451b18766a2a7b47eaa/FLAG575a83927
[2024-11-06 08:03:56,589 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5096c9342/34161e63f24b4451b18766a2a7b47eaa
[2024-11-06 08:03:56,591 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 08:03:56,592 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-06 08:03:56,594 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 08:03:56,594 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 08:03:56,600 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 08:03:56,601 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:03:56" (1/1) ...
[2024-11-06 08:03:56,602 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f930e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:56, skipping insertion in model container
[2024-11-06 08:03:56,602 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:03:56" (1/1) ...
[2024-11-06 08:03:56,647 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-06 08:03:56,807 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-23.i[916,929]
[2024-11-06 08:03:56,915 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 08:03:56,932 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-06 08:03:56,943 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-23.i[916,929]
[2024-11-06 08:03:57,001 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 08:03:57,028 INFO  L204         MainTranslator]: Completed translation
[2024-11-06 08:03:57,029 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:57 WrapperNode
[2024-11-06 08:03:57,029 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 08:03:57,030 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 08:03:57,030 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 08:03:57,030 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 08:03:57,038 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:57" (1/1) ...
[2024-11-06 08:03:57,052 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:57" (1/1) ...
[2024-11-06 08:03:57,081 INFO  L138                Inliner]: procedures = 27, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 227
[2024-11-06 08:03:57,081 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 08:03:57,084 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 08:03:57,084 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 08:03:57,084 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 08:03:57,094 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:57" (1/1) ...
[2024-11-06 08:03:57,094 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:57" (1/1) ...
[2024-11-06 08:03:57,099 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:57" (1/1) ...
[2024-11-06 08:03:57,114 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 08:03:57,115 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:57" (1/1) ...
[2024-11-06 08:03:57,115 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:57" (1/1) ...
[2024-11-06 08:03:57,131 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:57" (1/1) ...
[2024-11-06 08:03:57,134 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:57" (1/1) ...
[2024-11-06 08:03:57,137 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:57" (1/1) ...
[2024-11-06 08:03:57,139 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:57" (1/1) ...
[2024-11-06 08:03:57,143 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 08:03:57,147 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 08:03:57,147 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 08:03:57,147 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-06 08:03:57,148 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:57" (1/1) ...
[2024-11-06 08:03:57,155 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 08:03:57,168 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 08:03:57,184 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 08:03:57,188 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 08:03:57,215 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 08:03:57,215 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-06 08:03:57,215 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-06 08:03:57,215 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-06 08:03:57,215 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 08:03:57,215 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 08:03:57,335 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-06 08:03:57,337 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 08:04:04,317 INFO  L?                        ?]: Removed 24 outVars from TransFormulas that were not future-live.
[2024-11-06 08:04:04,317 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-06 08:04:04,335 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 08:04:04,336 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-06 08:04:04,336 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:04:04 BoogieIcfgContainer
[2024-11-06 08:04:04,336 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 08:04:04,340 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 08:04:04,340 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 08:04:04,343 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-06 08:04:04,343 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:03:56" (1/3) ...
[2024-11-06 08:04:04,344 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61aa4dbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:04:04, skipping insertion in model container
[2024-11-06 08:04:04,344 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:03:57" (2/3) ...
[2024-11-06 08:04:04,344 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61aa4dbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:04:04, skipping insertion in model container
[2024-11-06 08:04:04,344 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:04:04" (3/3) ...
[2024-11-06 08:04:04,346 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-23.i
[2024-11-06 08:04:04,363 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 08:04:04,364 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 08:04:04,433 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 08:04:04,438 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;@3f2e2773, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 08:04:04,438 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 08:04:04,442 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 99 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 62 states have internal predecessors, (84), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35)
[2024-11-06 08:04:04,455 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 224
[2024-11-06 08:04:04,455 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 08:04:04,456 INFO  L215           NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 08:04:04,456 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 08:04:04,460 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 08:04:04,460 INFO  L85        PathProgramCache]: Analyzing trace with hash -1104040980, now seen corresponding path program 1 times
[2024-11-06 08:04:04,470 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 08:04:04,471 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1168766278]
[2024-11-06 08:04:04,471 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:04:04,471 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 08:04:04,471 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 08:04:04,473 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 08:04:04,474 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 08:04:05,150 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:04:05,174 INFO  L255         TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-06 08:04:05,187 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 08:04:12,200 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 718 proven. 84 refuted. 0 times theorem prover too weak. 1578 trivial. 0 not checked.
[2024-11-06 08:04:12,200 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 08:04:14,418 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-06 08:04:14,418 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1168766278]
[2024-11-06 08:04:14,419 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1168766278] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-06 08:04:14,419 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1635942430]
[2024-11-06 08:04:14,419 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:04:14,419 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-06 08:04:14,420 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 08:04:14,497 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-06 08:04:14,499 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-06 08:04:14,921 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:04:14,969 INFO  L255         TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-06 08:04:14,976 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 08:04:15,285 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked.
[2024-11-06 08:04:15,286 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 08:04:15,286 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1635942430] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 08:04:15,287 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-06 08:04:15,288 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9
[2024-11-06 08:04:15,290 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681616252]
[2024-11-06 08:04:15,291 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 08:04:15,297 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-06 08:04:15,298 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-06 08:04:15,326 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-06 08:04:15,327 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132
[2024-11-06 08:04:15,330 INFO  L87              Difference]: Start difference. First operand  has 99 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 62 states have internal predecessors, (84), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand  has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35)
[2024-11-06 08:04:19,641 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:04:23,648 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 08:04:23,749 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 08:04:23,750 INFO  L93              Difference]: Finished difference Result 279 states and 512 transitions.
[2024-11-06 08:04:23,751 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-06 08:04:23,753 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 223
[2024-11-06 08:04:23,754 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 08:04:23,767 INFO  L225             Difference]: With dead ends: 279
[2024-11-06 08:04:23,768 INFO  L226             Difference]: Without dead ends: 183
[2024-11-06 08:04:23,772 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 625 GetRequests, 615 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132
[2024-11-06 08:04:23,778 INFO  L432           NwaCegarLoop]: 244 mSDtfsCounter, 124 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time
[2024-11-06 08:04:23,780 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 377 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 2 Unknown, 0 Unchecked, 8.4s Time]
[2024-11-06 08:04:23,796 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 183 states.
[2024-11-06 08:04:23,840 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 109.
[2024-11-06 08:04:23,842 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 109 states, 72 states have (on average 1.375) internal successors, (99), 72 states have internal predecessors, (99), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35)
[2024-11-06 08:04:23,847 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 169 transitions.
[2024-11-06 08:04:23,852 INFO  L78                 Accepts]: Start accepts. Automaton has 109 states and 169 transitions. Word has length 223
[2024-11-06 08:04:23,854 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 08:04:23,854 INFO  L471      AbstractCegarLoop]: Abstraction has 109 states and 169 transitions.
[2024-11-06 08:04:23,857 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35)
[2024-11-06 08:04:23,857 INFO  L276                IsEmpty]: Start isEmpty. Operand 109 states and 169 transitions.
[2024-11-06 08:04:23,863 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 224
[2024-11-06 08:04:23,863 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 08:04:23,863 INFO  L215           NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 08:04:23,892 INFO  L540       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)] Forceful destruction successful, exit code 0
[2024-11-06 08:04:24,107 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-06 08:04:24,264 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=3,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-06 08:04:24,265 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 08:04:24,266 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 08:04:24,266 INFO  L85        PathProgramCache]: Analyzing trace with hash 1103290734, now seen corresponding path program 1 times
[2024-11-06 08:04:24,267 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 08:04:24,267 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1310420924]
[2024-11-06 08:04:24,267 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:04:24,267 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 08:04:24,268 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 08:04:24,271 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 08:04:24,272 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 08:04:24,890 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:04:24,915 INFO  L255         TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-06 08:04:24,926 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 08:04:31,411 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 718 proven. 84 refuted. 0 times theorem prover too weak. 1578 trivial. 0 not checked.
[2024-11-06 08:04:31,411 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 08:04:33,406 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-06 08:04:33,407 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1310420924]
[2024-11-06 08:04:33,407 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1310420924] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-06 08:04:33,407 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834668153]
[2024-11-06 08:04:33,407 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:04:33,407 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-06 08:04:33,408 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 08:04:33,409 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-06 08:04:33,410 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-06 08:04:33,760 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:04:33,804 INFO  L255         TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-06 08:04:33,809 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 08:04:39,101 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 718 proven. 84 refuted. 0 times theorem prover too weak. 1578 trivial. 0 not checked.
[2024-11-06 08:04:39,102 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 08:04:40,713 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834668153] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-06 08:04:40,714 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-06 08:04:40,714 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7
[2024-11-06 08:04:40,714 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645429466]
[2024-11-06 08:04:40,714 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-06 08:04:40,716 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-06 08:04:40,716 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-06 08:04:40,719 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-06 08:04:40,719 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110
[2024-11-06 08:04:40,719 INFO  L87              Difference]: Start difference. First operand 109 states and 169 transitions. Second operand  has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35)
[2024-11-06 08:04:48,270 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:04:52,338 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:04:56,360 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:05:00,366 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:05:04,375 WARN  L539   Checker$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 08:05:08,758 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:05:12,762 WARN  L539   Checker$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 08:05:16,340 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.58s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:05:20,351 WARN  L539   Checker$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 08:05:24,358 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:05:28,361 WARN  L539   Checker$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 08:05:28,362 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 08:05:28,362 INFO  L93              Difference]: Finished difference Result 328 states and 507 transitions.
[2024-11-06 08:05:28,426 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2024-11-06 08:05:28,427 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 223
[2024-11-06 08:05:28,428 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 08:05:28,431 INFO  L225             Difference]: With dead ends: 328
[2024-11-06 08:05:28,431 INFO  L226             Difference]: Without dead ends: 222
[2024-11-06 08:05:28,432 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 814 GetRequests, 797 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342
[2024-11-06 08:05:28,433 INFO  L432           NwaCegarLoop]: 98 mSDtfsCounter, 149 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 88 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.8s IncrementalHoareTripleChecker+Time
[2024-11-06 08:05:28,433 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 550 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 326 Invalid, 10 Unknown, 0 Unchecked, 46.8s Time]
[2024-11-06 08:05:28,434 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 222 states.
[2024-11-06 08:05:28,471 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 178.
[2024-11-06 08:05:28,472 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 178 states, 104 states have (on average 1.2692307692307692) internal successors, (132), 104 states have internal predecessors, (132), 70 states have call successors, (70), 3 states have call predecessors, (70), 3 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70)
[2024-11-06 08:05:28,473 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 272 transitions.
[2024-11-06 08:05:28,474 INFO  L78                 Accepts]: Start accepts. Automaton has 178 states and 272 transitions. Word has length 223
[2024-11-06 08:05:28,475 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 08:05:28,475 INFO  L471      AbstractCegarLoop]: Abstraction has 178 states and 272 transitions.
[2024-11-06 08:05:28,475 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35)
[2024-11-06 08:05:28,475 INFO  L276                IsEmpty]: Start isEmpty. Operand 178 states and 272 transitions.
[2024-11-06 08:05:28,478 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 224
[2024-11-06 08:05:28,479 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 08:05:28,479 INFO  L215           NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 08:05:28,503 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 08:05:28,723 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-11-06 08:05:28,883 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=3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-06 08:05:28,883 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 08:05:28,884 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 08:05:28,884 INFO  L85        PathProgramCache]: Analyzing trace with hash 285642284, now seen corresponding path program 1 times
[2024-11-06 08:05:28,884 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 08:05:28,884 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1153125408]
[2024-11-06 08:05:28,885 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:05:28,885 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 08:05:28,885 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 08:05:28,886 INFO  L229       MonitoredProcess]: Starting monitored process 6 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 08:05:28,888 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 (6)] Waiting until timeout for monitored process
[2024-11-06 08:05:29,457 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:05:29,481 INFO  L255         TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-06 08:05:29,484 INFO  L278         TraceCheckSpWp]: Computing forward predicates...