/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-73.i


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


This is Ultimate 0.2.5-dev-17387ad-m
[2024-11-06 08:10:37,070 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-06 08:10:37,131 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 08:10:37,136 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 08:10:37,136 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 08:10:37,161 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 08:10:37,161 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 08:10:37,161 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 08:10:37,162 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 08:10:37,162 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-06 08:10:37,162 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 08:10:37,163 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 08:10:37,164 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 08:10:37,167 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-06 08:10:37,167 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-06 08:10:37,167 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 08:10:37,168 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-06 08:10:37,168 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-06 08:10:37,168 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-06 08:10:37,168 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-06 08:10:37,168 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 08:10:37,170 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 08:10:37,170 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 08:10:37,170 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-06 08:10:37,170 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-06 08:10:37,170 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-06 08:10:37,171 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-06 08:10:37,171 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-06 08:10:37,171 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-06 08:10:37,171 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-06 08:10:37,171 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 08:10:37,171 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-06 08:10:37,172 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 08:10:37,172 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-06 08:10:37,172 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 08:10:37,172 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 08:10:37,172 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 08:10:37,172 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 08:10:37,172 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-06 08:10:37,173 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-06 08:10:37,173 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 08:10:37,175 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 08:10:37,175 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 08:10:37,175 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 08:10:37,175 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX
[2024-11-06 08:10:37,428 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 08:10:37,463 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 08:10:37,466 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 08:10:37,467 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-06 08:10:37,468 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-06 08:10:37,469 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-73.i
[2024-11-06 08:10:38,749 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-06 08:10:38,906 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-06 08:10:38,906 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-73.i
[2024-11-06 08:10:38,914 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15e9d113e/2d49617a8cdb4d46a27b24d5020b4ab4/FLAG3b3312e70
[2024-11-06 08:10:39,303 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15e9d113e/2d49617a8cdb4d46a27b24d5020b4ab4
[2024-11-06 08:10:39,305 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 08:10:39,306 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-06 08:10:39,307 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 08:10:39,307 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 08:10:39,313 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 08:10:39,313 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:10:39" (1/1) ...
[2024-11-06 08:10:39,314 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@734e2de0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:10:39, skipping insertion in model container
[2024-11-06 08:10:39,314 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:10:39" (1/1) ...
[2024-11-06 08:10:39,345 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-06 08:10:39,486 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-73.i[916,929]
[2024-11-06 08:10:39,570 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 08:10:39,580 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-06 08:10:39,589 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-73.i[916,929]
[2024-11-06 08:10:39,617 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 08:10:39,631 INFO  L204         MainTranslator]: Completed translation
[2024-11-06 08:10:39,632 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:10:39 WrapperNode
[2024-11-06 08:10:39,632 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 08:10:39,632 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 08:10:39,633 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 08:10:39,633 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 08:10:39,637 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:10:39" (1/1) ...
[2024-11-06 08:10:39,646 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:10:39" (1/1) ...
[2024-11-06 08:10:39,668 INFO  L138                Inliner]: procedures = 27, calls = 50, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 224
[2024-11-06 08:10:39,668 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 08:10:39,669 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 08:10:39,669 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 08:10:39,669 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 08:10:39,676 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:10:39" (1/1) ...
[2024-11-06 08:10:39,677 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:10:39" (1/1) ...
[2024-11-06 08:10:39,680 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:10:39" (1/1) ...
[2024-11-06 08:10:39,696 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 08:10:39,697 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:10:39" (1/1) ...
[2024-11-06 08:10:39,697 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:10:39" (1/1) ...
[2024-11-06 08:10:39,714 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:10:39" (1/1) ...
[2024-11-06 08:10:39,721 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:10:39" (1/1) ...
[2024-11-06 08:10:39,724 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:10:39" (1/1) ...
[2024-11-06 08:10:39,730 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:10:39" (1/1) ...
[2024-11-06 08:10:39,737 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 08:10:39,738 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 08:10:39,738 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 08:10:39,738 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-06 08:10:39,743 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:10:39" (1/1) ...
[2024-11-06 08:10:39,750 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 08:10:39,760 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 08:10:39,779 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 08:10:39,793 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 08:10:39,813 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 08:10:39,814 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-06 08:10:39,814 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-06 08:10:39,814 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-06 08:10:39,814 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 08:10:39,814 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 08:10:39,921 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-06 08:10:39,923 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 08:10:44,753 INFO  L?                        ?]: Removed 20 outVars from TransFormulas that were not future-live.
[2024-11-06 08:10:44,754 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-06 08:10:44,768 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 08:10:44,768 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-06 08:10:44,768 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:10:44 BoogieIcfgContainer
[2024-11-06 08:10:44,768 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 08:10:44,770 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 08:10:44,770 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 08:10:44,776 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-06 08:10:44,776 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:10:39" (1/3) ...
[2024-11-06 08:10:44,777 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@218f991a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:10:44, skipping insertion in model container
[2024-11-06 08:10:44,777 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:10:39" (2/3) ...
[2024-11-06 08:10:44,777 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@218f991a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:10:44, skipping insertion in model container
[2024-11-06 08:10:44,777 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:10:44" (3/3) ...
[2024-11-06 08:10:44,778 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-73.i
[2024-11-06 08:10:44,805 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 08:10:44,805 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 08:10:44,849 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 08:10:44,856 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;@7a2b9c52, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 08:10:44,857 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 08:10:44,862 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 102 states, 62 states have (on average 1.403225806451613) internal successors, (87), 63 states have internal predecessors, (87), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37)
[2024-11-06 08:10:44,877 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 235
[2024-11-06 08:10:44,877 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 08:10:44,878 INFO  L215           NwaCegarLoop]: trace histogram [37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:10:44,878 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 08:10:44,883 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 08:10:44,884 INFO  L85        PathProgramCache]: Analyzing trace with hash -1451449378, now seen corresponding path program 1 times
[2024-11-06 08:10:44,898 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 08:10:44,898 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1606053998]
[2024-11-06 08:10:44,898 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:10:44,899 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 08:10:44,899 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 08:10:44,902 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 08:10:44,903 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 08:10:45,425 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:10:45,447 INFO  L255         TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-06 08:10:45,458 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 08:10:46,373 INFO  L134       CoverageAnalysis]: Checked inductivity of 2664 backedges. 1128 proven. 30 refuted. 0 times theorem prover too weak. 1506 trivial. 0 not checked.
[2024-11-06 08:10:46,373 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 08:10:47,450 INFO  L134       CoverageAnalysis]: Checked inductivity of 2664 backedges. 78 proven. 30 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked.
[2024-11-06 08:10:47,451 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-06 08:10:47,451 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1606053998]
[2024-11-06 08:10:47,452 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1606053998] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-06 08:10:47,452 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-06 08:10:47,452 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9
[2024-11-06 08:10:47,453 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748539723]
[2024-11-06 08:10:47,454 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-06 08:10:47,458 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-06 08:10:47,458 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-06 08:10:47,475 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-06 08:10:47,475 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72
[2024-11-06 08:10:47,477 INFO  L87              Difference]: Start difference. First operand  has 102 states, 62 states have (on average 1.403225806451613) internal successors, (87), 63 states have internal predecessors, (87), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand  has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48)
[2024-11-06 08:10:53,594 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:10:55,737 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:10:57,608 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 08:10:57,608 INFO  L93              Difference]: Finished difference Result 278 states and 514 transitions.
[2024-11-06 08:10:57,614 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2024-11-06 08:10:57,616 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 234
[2024-11-06 08:10:57,618 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 08:10:57,628 INFO  L225             Difference]: With dead ends: 278
[2024-11-06 08:10:57,629 INFO  L226             Difference]: Without dead ends: 179
[2024-11-06 08:10:57,634 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 478 GetRequests, 459 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380
[2024-11-06 08:10:57,641 INFO  L432           NwaCegarLoop]: 155 mSDtfsCounter, 148 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 82 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time
[2024-11-06 08:10:57,642 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 441 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 535 Invalid, 1 Unknown, 0 Unchecked, 9.5s Time]
[2024-11-06 08:10:57,661 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 179 states.
[2024-11-06 08:10:57,741 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 102.
[2024-11-06 08:10:57,742 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 102 states, 62 states have (on average 1.1774193548387097) internal successors, (73), 62 states have internal predecessors, (73), 37 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37)
[2024-11-06 08:10:57,743 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 147 transitions.
[2024-11-06 08:10:57,745 INFO  L78                 Accepts]: Start accepts. Automaton has 102 states and 147 transitions. Word has length 234
[2024-11-06 08:10:57,746 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 08:10:57,746 INFO  L471      AbstractCegarLoop]: Abstraction has 102 states and 147 transitions.
[2024-11-06 08:10:57,746 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48)
[2024-11-06 08:10:57,747 INFO  L276                IsEmpty]: Start isEmpty. Operand 102 states and 147 transitions.
[2024-11-06 08:10:57,750 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 236
[2024-11-06 08:10:57,750 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 08:10:57,750 INFO  L215           NwaCegarLoop]: trace histogram [37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:10:57,769 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 08:10:57,954 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 08:10:57,955 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 08:10:57,955 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 08:10:57,955 INFO  L85        PathProgramCache]: Analyzing trace with hash -1543519445, now seen corresponding path program 1 times
[2024-11-06 08:10:57,956 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 08:10:57,956 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [333750114]
[2024-11-06 08:10:57,957 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:10:57,957 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 08:10:57,957 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 08:10:57,959 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 08:10:57,960 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 08:10:58,350 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:10:58,370 INFO  L255         TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-11-06 08:10:58,393 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 08:11:04,207 INFO  L134       CoverageAnalysis]: Checked inductivity of 2664 backedges. 1094 proven. 276 refuted. 0 times theorem prover too weak. 1294 trivial. 0 not checked.
[2024-11-06 08:11:04,208 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 08:11:08,420 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-06 08:11:08,420 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [333750114]
[2024-11-06 08:11:08,420 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [333750114] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-06 08:11:08,420 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617384287]
[2024-11-06 08:11:08,420 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:11:08,421 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-06 08:11:08,421 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 08:11:08,423 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 08:11:08,424 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 08:11:08,683 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:11:08,722 INFO  L255         TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-11-06 08:11:08,727 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 08:11:13,859 INFO  L134       CoverageAnalysis]: Checked inductivity of 2664 backedges. 1094 proven. 276 refuted. 0 times theorem prover too weak. 1294 trivial. 0 not checked.
[2024-11-06 08:11:13,859 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 08:11:16,671 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [617384287] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-06 08:11:16,671 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-06 08:11:16,671 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11
[2024-11-06 08:11:16,672 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728525921]
[2024-11-06 08:11:16,672 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-06 08:11:16,673 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-11-06 08:11:16,673 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-06 08:11:16,676 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-11-06 08:11:16,676 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132
[2024-11-06 08:11:16,676 INFO  L87              Difference]: Start difference. First operand 102 states and 147 transitions. Second operand  has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 10 states have internal predecessors, (65), 4 states have call successors, (37), 4 states have call predecessors, (37), 5 states have return successors, (37), 3 states have call predecessors, (37), 4 states have call successors, (37)
[2024-11-06 08:11:23,335 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 08:11:25,009 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:11:27,755 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:11:28,938 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:11:28,940 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 08:11:28,941 INFO  L93              Difference]: Finished difference Result 217 states and 304 transitions.
[2024-11-06 08:11:28,983 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2024-11-06 08:11:28,984 INFO  L78                 Accepts]: Start accepts. Automaton has  has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 10 states have internal predecessors, (65), 4 states have call successors, (37), 4 states have call predecessors, (37), 5 states have return successors, (37), 3 states have call predecessors, (37), 4 states have call successors, (37) Word has length 235
[2024-11-06 08:11:28,985 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 08:11:28,987 INFO  L225             Difference]: With dead ends: 217
[2024-11-06 08:11:28,987 INFO  L226             Difference]: Without dead ends: 118
[2024-11-06 08:11:28,987 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 521 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210
[2024-11-06 08:11:28,988 INFO  L432           NwaCegarLoop]: 101 mSDtfsCounter, 71 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time
[2024-11-06 08:11:28,989 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 286 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 345 Invalid, 1 Unknown, 0 Unchecked, 12.0s Time]
[2024-11-06 08:11:28,989 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 118 states.
[2024-11-06 08:11:29,007 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 114.
[2024-11-06 08:11:29,008 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 114 states, 71 states have (on average 1.1408450704225352) internal successors, (81), 71 states have internal predecessors, (81), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37)
[2024-11-06 08:11:29,009 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 155 transitions.
[2024-11-06 08:11:29,009 INFO  L78                 Accepts]: Start accepts. Automaton has 114 states and 155 transitions. Word has length 235
[2024-11-06 08:11:29,010 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 08:11:29,010 INFO  L471      AbstractCegarLoop]: Abstraction has 114 states and 155 transitions.
[2024-11-06 08:11:29,010 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 10 states have internal predecessors, (65), 4 states have call successors, (37), 4 states have call predecessors, (37), 5 states have return successors, (37), 3 states have call predecessors, (37), 4 states have call successors, (37)
[2024-11-06 08:11:29,011 INFO  L276                IsEmpty]: Start isEmpty. Operand 114 states and 155 transitions.
[2024-11-06 08:11:29,019 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 237
[2024-11-06 08:11:29,020 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 08:11:29,020 INFO  L215           NwaCegarLoop]: trace histogram [37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:11:29,039 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 08:11:29,253 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 08:11:29,421 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 08:11:29,422 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 08:11:29,422 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 08:11:29,422 INFO  L85        PathProgramCache]: Analyzing trace with hash -764225567, now seen corresponding path program 1 times
[2024-11-06 08:11:29,423 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 08:11:29,423 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [690694981]
[2024-11-06 08:11:29,423 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:11:29,423 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 08:11:29,423 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 08:11:29,428 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 08:11:29,429 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 08:11:30,589 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:11:30,619 INFO  L255         TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 76 conjuncts are in the unsatisfiable core
[2024-11-06 08:11:30,627 INFO  L278         TraceCheckSpWp]: Computing forward predicates...