/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-62.i


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


This is Ultimate 0.2.5-dev-17387ad-m
[2024-11-06 08:09:10,034 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-06 08:09:10,104 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 08:09:10,108 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 08:09:10,109 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 08:09:10,131 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 08:09:10,132 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 08:09:10,132 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 08:09:10,133 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 08:09:10,133 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-06 08:09:10,134 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 08:09:10,134 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 08:09:10,135 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 08:09:10,135 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-06 08:09:10,135 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-06 08:09:10,136 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 08:09:10,136 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-06 08:09:10,136 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-06 08:09:10,137 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-06 08:09:10,137 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-06 08:09:10,139 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 08:09:10,139 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 08:09:10,140 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 08:09:10,140 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-06 08:09:10,144 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-06 08:09:10,144 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-06 08:09:10,144 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-06 08:09:10,145 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-06 08:09:10,145 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-06 08:09:10,145 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-06 08:09:10,145 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 08:09:10,145 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-06 08:09:10,146 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 08:09:10,146 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-06 08:09:10,146 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 08:09:10,146 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 08:09:10,146 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 08:09:10,147 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 08:09:10,147 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-06 08:09:10,147 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-06 08:09:10,147 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 08:09:10,147 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 08:09:10,148 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 08:09:10,148 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 08:09:10,148 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX
[2024-11-06 08:09:10,378 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 08:09:10,403 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 08:09:10,408 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 08:09:10,409 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-06 08:09:10,410 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-06 08:09:10,411 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-62.i
[2024-11-06 08:09:11,984 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-06 08:09:12,199 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-06 08:09:12,204 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-62.i
[2024-11-06 08:09:12,215 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f604ad3e7/32e29655561240f38e33e4f24bd57c49/FLAG968025dc6
[2024-11-06 08:09:12,228 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f604ad3e7/32e29655561240f38e33e4f24bd57c49
[2024-11-06 08:09:12,230 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 08:09:12,231 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-06 08:09:12,232 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 08:09:12,232 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 08:09:12,237 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 08:09:12,238 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:09:12" (1/1) ...
[2024-11-06 08:09:12,239 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12c02ea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:09:12, skipping insertion in model container
[2024-11-06 08:09:12,239 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:09:12" (1/1) ...
[2024-11-06 08:09:12,272 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-06 08:09:12,441 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-62.i[916,929]
[2024-11-06 08:09:12,525 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 08:09:12,537 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-06 08:09:12,547 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-62.i[916,929]
[2024-11-06 08:09:12,594 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 08:09:12,615 INFO  L204         MainTranslator]: Completed translation
[2024-11-06 08:09:12,615 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:09:12 WrapperNode
[2024-11-06 08:09:12,616 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 08:09:12,617 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 08:09:12,617 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 08:09:12,617 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 08:09:12,623 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:09:12" (1/1) ...
[2024-11-06 08:09:12,641 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:09:12" (1/1) ...
[2024-11-06 08:09:12,675 INFO  L138                Inliner]: procedures = 27, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 208
[2024-11-06 08:09:12,676 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 08:09:12,677 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 08:09:12,677 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 08:09:12,677 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 08:09:12,690 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:09:12" (1/1) ...
[2024-11-06 08:09:12,690 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:09:12" (1/1) ...
[2024-11-06 08:09:12,697 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:09:12" (1/1) ...
[2024-11-06 08:09:12,716 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 08:09:12,716 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:09:12" (1/1) ...
[2024-11-06 08:09:12,716 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:09:12" (1/1) ...
[2024-11-06 08:09:12,736 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:09:12" (1/1) ...
[2024-11-06 08:09:12,744 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:09:12" (1/1) ...
[2024-11-06 08:09:12,751 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:09:12" (1/1) ...
[2024-11-06 08:09:12,757 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:09:12" (1/1) ...
[2024-11-06 08:09:12,766 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 08:09:12,768 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 08:09:12,768 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 08:09:12,769 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-06 08:09:12,769 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:09:12" (1/1) ...
[2024-11-06 08:09:12,775 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 08:09:12,786 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 08:09:12,803 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 08:09:12,806 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 08:09:12,831 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 08:09:12,832 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-06 08:09:12,832 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-06 08:09:12,832 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-06 08:09:12,833 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 08:09:12,833 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 08:09:12,915 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-06 08:09:12,917 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 08:09:42,395 INFO  L?                        ?]: Removed 26 outVars from TransFormulas that were not future-live.
[2024-11-06 08:09:42,395 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-06 08:09:42,415 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 08:09:42,416 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-06 08:09:42,416 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:09:42 BoogieIcfgContainer
[2024-11-06 08:09:42,416 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 08:09:42,419 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 08:09:42,419 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 08:09:42,423 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-06 08:09:42,423 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:09:12" (1/3) ...
[2024-11-06 08:09:42,424 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62ea8d01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:09:42, skipping insertion in model container
[2024-11-06 08:09:42,425 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:09:12" (2/3) ...
[2024-11-06 08:09:42,425 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62ea8d01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:09:42, skipping insertion in model container
[2024-11-06 08:09:42,425 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:09:42" (3/3) ...
[2024-11-06 08:09:42,430 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-62.i
[2024-11-06 08:09:42,453 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 08:09:42,453 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 08:09:42,524 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 08:09:42,533 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;@52f2ce1f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 08:09:42,534 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 08:09:42,538 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 91 states, 58 states have (on average 1.4310344827586208) internal successors, (83), 59 states have internal predecessors, (83), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30)
[2024-11-06 08:09:42,555 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 192
[2024-11-06 08:09:42,556 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 08:09:42,557 INFO  L215           NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:09:42,557 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 08:09:42,562 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 08:09:42,562 INFO  L85        PathProgramCache]: Analyzing trace with hash -509721845, now seen corresponding path program 1 times
[2024-11-06 08:09:42,580 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 08:09:42,580 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1837183067]
[2024-11-06 08:09:42,580 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:09:42,581 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 08:09:42,581 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 08:09:42,585 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 08:09:42,587 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 08:09:44,429 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:09:44,503 INFO  L255         TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-06 08:09:44,516 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 08:09:44,567 INFO  L134       CoverageAnalysis]: Checked inductivity of 1740 backedges. 458 proven. 0 refuted. 0 times theorem prover too weak. 1282 trivial. 0 not checked.
[2024-11-06 08:09:44,567 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 08:09:44,568 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-06 08:09:44,569 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1837183067]
[2024-11-06 08:09:44,569 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1837183067] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 08:09:44,569 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 08:09:44,570 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-06 08:09:44,571 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454497551]
[2024-11-06 08:09:44,572 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 08:09:44,576 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-06 08:09:44,577 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-06 08:09:44,596 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-06 08:09:44,597 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 08:09:44,600 INFO  L87              Difference]: Start difference. First operand  has 91 states, 58 states have (on average 1.4310344827586208) internal successors, (83), 59 states have internal predecessors, (83), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand  has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30)
[2024-11-06 08:09:44,641 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 08:09:44,641 INFO  L93              Difference]: Finished difference Result 175 states and 310 transitions.
[2024-11-06 08:09:44,642 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-06 08:09:44,643 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 191
[2024-11-06 08:09:44,644 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 08:09:44,650 INFO  L225             Difference]: With dead ends: 175
[2024-11-06 08:09:44,650 INFO  L226             Difference]: Without dead ends: 87
[2024-11-06 08:09:44,654 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 08:09:44,658 INFO  L432           NwaCegarLoop]: 135 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-06 08:09:44,658 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 08:09:44,674 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 87 states.
[2024-11-06 08:09:44,701 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87.
[2024-11-06 08:09:44,703 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 87 states, 55 states have (on average 1.3636363636363635) internal successors, (75), 55 states have internal predecessors, (75), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30)
[2024-11-06 08:09:44,705 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 135 transitions.
[2024-11-06 08:09:44,707 INFO  L78                 Accepts]: Start accepts. Automaton has 87 states and 135 transitions. Word has length 191
[2024-11-06 08:09:44,708 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 08:09:44,708 INFO  L471      AbstractCegarLoop]: Abstraction has 87 states and 135 transitions.
[2024-11-06 08:09:44,708 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30)
[2024-11-06 08:09:44,708 INFO  L276                IsEmpty]: Start isEmpty. Operand 87 states and 135 transitions.
[2024-11-06 08:09:44,713 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 192
[2024-11-06 08:09:44,713 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 08:09:44,713 INFO  L215           NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:09:44,774 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 08:09:44,914 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 08:09:44,915 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 08:09:44,915 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 08:09:44,916 INFO  L85        PathProgramCache]: Analyzing trace with hash 1613001297, now seen corresponding path program 1 times
[2024-11-06 08:09:44,917 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 08:09:44,917 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [180118560]
[2024-11-06 08:09:44,917 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:09:44,917 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 08:09:44,918 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 08:09:44,921 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 08:09:44,922 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 08:09:46,719 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:09:46,798 INFO  L255         TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-06 08:09:46,812 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 08:09:53,118 INFO  L134       CoverageAnalysis]: Checked inductivity of 1740 backedges. 869 proven. 51 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked.
[2024-11-06 08:09:53,118 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 08:09:59,380 INFO  L134       CoverageAnalysis]: Checked inductivity of 1740 backedges. 36 proven. 51 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked.
[2024-11-06 08:09:59,380 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-06 08:09:59,381 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [180118560]
[2024-11-06 08:09:59,381 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [180118560] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-06 08:09:59,381 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-06 08:09:59,382 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2024-11-06 08:09:59,382 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694199223]
[2024-11-06 08:09:59,382 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-06 08:09:59,384 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-06 08:09:59,384 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-06 08:09:59,385 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-06 08:09:59,386 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-06 08:09:59,386 INFO  L87              Difference]: Start difference. First operand 87 states and 135 transitions. Second operand  has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 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 08:10:08,900 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:10:12,914 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:10:16,919 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:10:21,749 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.83s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:10:25,755 WARN  L539   Checker$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 08:10:29,767 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 08:10:30,134 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 08:10:30,134 INFO  L93              Difference]: Finished difference Result 179 states and 274 transitions.
[2024-11-06 08:10:30,135 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-06 08:10:30,135 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 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 191
[2024-11-06 08:10:30,137 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 08:10:30,138 INFO  L225             Difference]: With dead ends: 179
[2024-11-06 08:10:30,139 INFO  L226             Difference]: Without dead ends: 95
[2024-11-06 08:10:30,140 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 374 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110
[2024-11-06 08:10:30,141 INFO  L432           NwaCegarLoop]: 98 mSDtfsCounter, 70 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 7 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.9s IncrementalHoareTripleChecker+Time
[2024-11-06 08:10:30,141 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 232 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 170 Invalid, 6 Unknown, 0 Unchecked, 29.9s Time]
[2024-11-06 08:10:30,142 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 95 states.
[2024-11-06 08:10:30,155 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 91.
[2024-11-06 08:10:30,155 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 91 states, 58 states have (on average 1.3103448275862069) internal successors, (76), 58 states have internal predecessors, (76), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30)
[2024-11-06 08:10:30,157 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 136 transitions.
[2024-11-06 08:10:30,157 INFO  L78                 Accepts]: Start accepts. Automaton has 91 states and 136 transitions. Word has length 191
[2024-11-06 08:10:30,158 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 08:10:30,158 INFO  L471      AbstractCegarLoop]: Abstraction has 91 states and 136 transitions.
[2024-11-06 08:10:30,158 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 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 08:10:30,158 INFO  L276                IsEmpty]: Start isEmpty. Operand 91 states and 136 transitions.
[2024-11-06 08:10:30,161 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 193
[2024-11-06 08:10:30,161 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 08:10:30,162 INFO  L215           NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:10:30,226 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 (3)] Forceful destruction successful, exit code 0
[2024-11-06 08:10:30,362 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 08:10:30,363 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 08:10:30,363 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 08:10:30,363 INFO  L85        PathProgramCache]: Analyzing trace with hash -643807196, now seen corresponding path program 1 times
[2024-11-06 08:10:30,364 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 08:10:30,364 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1349688450]
[2024-11-06 08:10:30,364 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:10:30,364 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 08:10:30,365 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 08:10:30,366 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 08:10:30,368 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 08:10:32,231 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:10:32,308 INFO  L255         TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-06 08:10:32,313 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 08:10:49,511 INFO  L134       CoverageAnalysis]: Checked inductivity of 1740 backedges. 683 proven. 126 refuted. 0 times theorem prover too weak. 931 trivial. 0 not checked.
[2024-11-06 08:10:49,511 INFO  L311         TraceCheckSpWp]: Computing backward predicates...