/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver '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' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-47.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 07:57:33,589 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 07:57:33,661 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-03 07:57:33,669 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 07:57:33,670 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 07:57:33,691 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 07:57:33,691 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 07:57:33,692 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 07:57:33,692 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 07:57:33,693 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 07:57:33,693 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 07:57:33,693 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 07:57:33,694 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 07:57:33,694 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 07:57:33,694 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 07:57:33,695 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 07:57:33,695 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 07:57:33,695 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 07:57:33,696 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 07:57:33,696 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 07:57:33,696 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 07:57:33,700 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 07:57:33,700 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 07:57:33,701 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 07:57:33,701 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 07:57:33,701 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 07:57:33,701 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 07:57:33,702 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 07:57:33,702 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 07:57:33,702 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 07:57:33,703 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 07:57:33,703 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 07:57:33,703 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 07:57:33,703 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 07:57:33,704 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 07:57:33,704 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 07:57:33,704 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 07:57:33,705 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 07:57:33,705 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 07:57:33,705 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 07:57:33,705 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 07:57:33,706 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 07:57:33,707 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 07:57:33,707 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 07:57:33,707 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-03 07:57:33,931 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 07:57:33,956 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 07:57:33,961 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 07:57:33,962 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 07:57:33,963 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 07:57:33,964 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-47.i
[2024-11-03 07:57:35,422 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 07:57:35,676 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 07:57:35,677 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-47.i
[2024-11-03 07:57:35,689 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cb747a03/eb53b6a2b3b5459ba3c47a387e71a789/FLAGc69d627b6
[2024-11-03 07:57:35,703 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cb747a03/eb53b6a2b3b5459ba3c47a387e71a789
[2024-11-03 07:57:35,705 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 07:57:35,707 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 07:57:35,708 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 07:57:35,708 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 07:57:35,715 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 07:57:35,716 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 07:57:35" (1/1) ...
[2024-11-03 07:57:35,717 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dc458c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:57:35, skipping insertion in model container
[2024-11-03 07:57:35,717 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 07:57:35" (1/1) ...
[2024-11-03 07:57:35,757 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 07:57:35,922 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-47.i[916,929]
[2024-11-03 07:57:36,002 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 07:57:36,025 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 07:57:36,035 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-47.i[916,929]
[2024-11-03 07:57:36,084 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 07:57:36,105 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 07:57:36,106 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:57:36 WrapperNode
[2024-11-03 07:57:36,106 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 07:57:36,107 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 07:57:36,107 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 07:57:36,108 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 07:57:36,113 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:57:36" (1/1) ...
[2024-11-03 07:57:36,128 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:57:36" (1/1) ...
[2024-11-03 07:57:36,158 INFO  L138                Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 228
[2024-11-03 07:57:36,159 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 07:57:36,160 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 07:57:36,160 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 07:57:36,160 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 07:57:36,171 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:57:36" (1/1) ...
[2024-11-03 07:57:36,172 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:57:36" (1/1) ...
[2024-11-03 07:57:36,176 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:57:36" (1/1) ...
[2024-11-03 07:57:36,199 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].
[2024-11-03 07:57:36,200 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:57:36" (1/1) ...
[2024-11-03 07:57:36,200 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:57:36" (1/1) ...
[2024-11-03 07:57:36,212 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:57:36" (1/1) ...
[2024-11-03 07:57:36,216 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:57:36" (1/1) ...
[2024-11-03 07:57:36,220 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:57:36" (1/1) ...
[2024-11-03 07:57:36,222 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:57:36" (1/1) ...
[2024-11-03 07:57:36,227 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 07:57:36,228 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 07:57:36,229 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 07:57:36,229 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 07:57:36,230 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:57:36" (1/1) ...
[2024-11-03 07:57:36,237 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 07:57:36,256 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 07:57:36,273 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)
[2024-11-03 07:57:36,276 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
[2024-11-03 07:57:36,304 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 07:57:36,304 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 07:57:36,305 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 07:57:36,305 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 07:57:36,305 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 07:57:36,305 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 07:57:36,414 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 07:57:36,416 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 07:57:36,997 INFO  L?                        ?]: Removed 34 outVars from TransFormulas that were not future-live.
[2024-11-03 07:57:36,998 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 07:57:37,019 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 07:57:37,019 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 07:57:37,019 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 07:57:37 BoogieIcfgContainer
[2024-11-03 07:57:37,020 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 07:57:37,024 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 07:57:37,024 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 07:57:37,027 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 07:57:37,028 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 07:57:35" (1/3) ...
[2024-11-03 07:57:37,029 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38bc449c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 07:57:37, skipping insertion in model container
[2024-11-03 07:57:37,029 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:57:36" (2/3) ...
[2024-11-03 07:57:37,030 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38bc449c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 07:57:37, skipping insertion in model container
[2024-11-03 07:57:37,030 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 07:57:37" (3/3) ...
[2024-11-03 07:57:37,031 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-47.i
[2024-11-03 07:57:37,057 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 07:57:37,058 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 07:57:37,125 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 07:57:37,131 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;@1b476ddc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 07:57:37,131 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 07:57:37,136 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 98 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 63 states have internal predecessors, (90), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33)
[2024-11-03 07:57:37,150 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 209
[2024-11-03 07:57:37,150 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 07:57:37,151 INFO  L215           NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 07:57:37,151 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 07:57:37,156 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 07:57:37,156 INFO  L85        PathProgramCache]: Analyzing trace with hash -507692883, now seen corresponding path program 1 times
[2024-11-03 07:57:37,165 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 07:57:37,165 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1193315373]
[2024-11-03 07:57:37,166 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 07:57:37,168 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
[2024-11-03 07:57:37,168 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-03 07:57:37,172 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)
[2024-11-03 07:57:37,174 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
[2024-11-03 07:57:37,459 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 07:57:37,469 INFO  L255         TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 07:57:37,491 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 07:57:37,556 INFO  L134       CoverageAnalysis]: Checked inductivity of 2112 backedges. 764 proven. 0 refuted. 0 times theorem prover too weak. 1348 trivial. 0 not checked.
[2024-11-03 07:57:37,556 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 07:57:37,824 INFO  L134       CoverageAnalysis]: Checked inductivity of 2112 backedges. 14 proven. 50 refuted. 0 times theorem prover too weak. 2048 trivial. 0 not checked.
[2024-11-03 07:57:37,825 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 07:57:37,826 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1193315373]
[2024-11-03 07:57:37,829 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1193315373] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-03 07:57:37,829 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-03 07:57:37,829 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-03 07:57:37,831 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743810459]
[2024-11-03 07:57:37,832 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-03 07:57:37,837 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 07:57:37,837 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 07:57:37,864 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 07:57:37,865 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 07:57:37,868 INFO  L87              Difference]: Start difference. First operand  has 98 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 63 states have internal predecessors, (90), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand  has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33)
[2024-11-03 07:57:37,909 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 07:57:37,909 INFO  L93              Difference]: Finished difference Result 189 states and 339 transitions.
[2024-11-03 07:57:37,910 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 07:57:37,911 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 208
[2024-11-03 07:57:37,912 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 07:57:37,921 INFO  L225             Difference]: With dead ends: 189
[2024-11-03 07:57:37,921 INFO  L226             Difference]: Without dead ends: 94
[2024-11-03 07:57:37,930 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 07:57:37,935 INFO  L432           NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-03 07:57:37,936 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 07:57:37,952 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 94 states.
[2024-11-03 07:57:37,990 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94.
[2024-11-03 07:57:37,992 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 94 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 59 states have internal predecessors, (83), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33)
[2024-11-03 07:57:37,996 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 149 transitions.
[2024-11-03 07:57:38,000 INFO  L78                 Accepts]: Start accepts. Automaton has 94 states and 149 transitions. Word has length 208
[2024-11-03 07:57:38,001 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 07:57:38,001 INFO  L471      AbstractCegarLoop]: Abstraction has 94 states and 149 transitions.
[2024-11-03 07:57:38,001 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33)
[2024-11-03 07:57:38,001 INFO  L276                IsEmpty]: Start isEmpty. Operand 94 states and 149 transitions.
[2024-11-03 07:57:38,006 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 209
[2024-11-03 07:57:38,007 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 07:57:38,007 INFO  L215           NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 07:57:38,019 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
[2024-11-03 07:57:38,212 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
[2024-11-03 07:57:38,213 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 07:57:38,214 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 07:57:38,214 INFO  L85        PathProgramCache]: Analyzing trace with hash 687701747, now seen corresponding path program 1 times
[2024-11-03 07:57:38,214 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 07:57:38,215 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [244054048]
[2024-11-03 07:57:38,215 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 07:57:38,215 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
[2024-11-03 07:57:38,215 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-03 07:57:38,217 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)
[2024-11-03 07:57:38,219 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
[2024-11-03 07:57:38,439 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 07:57:38,449 INFO  L255         TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-03 07:57:38,456 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 07:57:38,969 INFO  L134       CoverageAnalysis]: Checked inductivity of 2112 backedges. 1223 proven. 48 refuted. 0 times theorem prover too weak. 841 trivial. 0 not checked.
[2024-11-03 07:57:38,969 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 07:57:39,472 INFO  L134       CoverageAnalysis]: Checked inductivity of 2112 backedges. 138 proven. 51 refuted. 0 times theorem prover too weak. 1923 trivial. 0 not checked.
[2024-11-03 07:57:39,472 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 07:57:39,473 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [244054048]
[2024-11-03 07:57:39,473 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [244054048] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 07:57:39,473 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 07:57:39,474 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16
[2024-11-03 07:57:39,474 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450075005]
[2024-11-03 07:57:39,474 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 07:57:39,478 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2024-11-03 07:57:39,478 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 07:57:39,479 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2024-11-03 07:57:39,482 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240
[2024-11-03 07:57:39,483 INFO  L87              Difference]: Start difference. First operand 94 states and 149 transitions. Second operand  has 16 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 3 states have call successors, (48), 3 states have call predecessors, (48), 7 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49)
[2024-11-03 07:57:40,580 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 07:57:40,580 INFO  L93              Difference]: Finished difference Result 200 states and 306 transitions.
[2024-11-03 07:57:40,589 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2024-11-03 07:57:40,590 INFO  L78                 Accepts]: Start accepts. Automaton has  has 16 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 3 states have call successors, (48), 3 states have call predecessors, (48), 7 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 208
[2024-11-03 07:57:40,593 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 07:57:40,597 INFO  L225             Difference]: With dead ends: 200
[2024-11-03 07:57:40,597 INFO  L226             Difference]: Without dead ends: 109
[2024-11-03 07:57:40,598 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 425 GetRequests, 400 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=198, Invalid=452, Unknown=0, NotChecked=0, Total=650
[2024-11-03 07:57:40,599 INFO  L432           NwaCegarLoop]: 97 mSDtfsCounter, 141 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-03 07:57:40,600 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 444 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-03 07:57:40,604 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 109 states.
[2024-11-03 07:57:40,627 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 105.
[2024-11-03 07:57:40,627 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 105 states, 67 states have (on average 1.2686567164179106) internal successors, (85), 67 states have internal predecessors, (85), 33 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33)
[2024-11-03 07:57:40,628 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 151 transitions.
[2024-11-03 07:57:40,629 INFO  L78                 Accepts]: Start accepts. Automaton has 105 states and 151 transitions. Word has length 208
[2024-11-03 07:57:40,630 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 07:57:40,630 INFO  L471      AbstractCegarLoop]: Abstraction has 105 states and 151 transitions.
[2024-11-03 07:57:40,630 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 16 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 3 states have call successors, (48), 3 states have call predecessors, (48), 7 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49)
[2024-11-03 07:57:40,630 INFO  L276                IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions.
[2024-11-03 07:57:40,633 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 210
[2024-11-03 07:57:40,633 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 07:57:40,634 INFO  L215           NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 07:57:40,642 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
[2024-11-03 07:57:40,837 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
[2024-11-03 07:57:40,838 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 07:57:40,838 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 07:57:40,839 INFO  L85        PathProgramCache]: Analyzing trace with hash -391642492, now seen corresponding path program 1 times
[2024-11-03 07:57:40,839 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 07:57:40,839 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [290483419]
[2024-11-03 07:57:40,839 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 07:57:40,839 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
[2024-11-03 07:57:40,840 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-03 07:57:40,843 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)
[2024-11-03 07:57:40,844 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
[2024-11-03 07:57:41,083 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 07:57:41,093 INFO  L255         TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-03 07:57:41,098 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 07:57:41,117 INFO  L134       CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked.
[2024-11-03 07:57:41,118 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 07:57:41,246 INFO  L134       CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked.
[2024-11-03 07:57:41,246 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 07:57:41,246 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [290483419]
[2024-11-03 07:57:41,247 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [290483419] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 07:57:41,247 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 07:57:41,247 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4
[2024-11-03 07:57:41,247 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981324169]
[2024-11-03 07:57:41,247 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 07:57:41,248 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-03 07:57:41,248 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 07:57:41,249 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-03 07:57:41,249 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-03 07:57:41,249 INFO  L87              Difference]: Start difference. First operand 105 states and 151 transitions. Second operand  has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33)
[2024-11-03 07:57:41,662 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 07:57:41,663 INFO  L93              Difference]: Finished difference Result 260 states and 385 transitions.
[2024-11-03 07:57:41,663 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-03 07:57:41,663 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 209
[2024-11-03 07:57:41,666 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 07:57:41,669 INFO  L225             Difference]: With dead ends: 260
[2024-11-03 07:57:41,669 INFO  L226             Difference]: Without dead ends: 158
[2024-11-03 07:57:41,670 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-03 07:57:41,671 INFO  L432           NwaCegarLoop]: 139 mSDtfsCounter, 21 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-03 07:57:41,673 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 308 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-03 07:57:41,675 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 158 states.
[2024-11-03 07:57:41,700 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 105.
[2024-11-03 07:57:41,702 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 105 states, 67 states have (on average 1.2537313432835822) internal successors, (84), 67 states have internal predecessors, (84), 33 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33)
[2024-11-03 07:57:41,704 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 150 transitions.
[2024-11-03 07:57:41,705 INFO  L78                 Accepts]: Start accepts. Automaton has 105 states and 150 transitions. Word has length 209
[2024-11-03 07:57:41,706 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 07:57:41,706 INFO  L471      AbstractCegarLoop]: Abstraction has 105 states and 150 transitions.
[2024-11-03 07:57:41,706 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33)
[2024-11-03 07:57:41,706 INFO  L276                IsEmpty]: Start isEmpty. Operand 105 states and 150 transitions.
[2024-11-03 07:57:41,710 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 211
[2024-11-03 07:57:41,711 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 07:57:41,711 INFO  L215           NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 07:57:41,721 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0
[2024-11-03 07:57:41,911 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-03 07:57:41,912 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 07:57:41,912 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 07:57:41,913 INFO  L85        PathProgramCache]: Analyzing trace with hash -2087064376, now seen corresponding path program 1 times
[2024-11-03 07:57:41,913 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 07:57:41,913 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1029874880]
[2024-11-03 07:57:41,913 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 07:57:41,913 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
[2024-11-03 07:57:41,913 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-03 07:57:41,916 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)
[2024-11-03 07:57:41,919 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
[2024-11-03 07:57:42,125 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 07:57:42,135 INFO  L255         TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 12 conjuncts are in the unsatisfiable core
[2024-11-03 07:57:42,140 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 07:57:43,325 INFO  L134       CoverageAnalysis]: Checked inductivity of 2112 backedges. 1060 proven. 198 refuted. 0 times theorem prover too weak. 854 trivial. 0 not checked.
[2024-11-03 07:57:43,326 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 07:57:44,115 INFO  L134       CoverageAnalysis]: Checked inductivity of 2112 backedges. 66 proven. 123 refuted. 0 times theorem prover too weak. 1923 trivial. 0 not checked.
[2024-11-03 07:57:44,116 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 07:57:44,116 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1029874880]
[2024-11-03 07:57:44,116 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1029874880] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 07:57:44,116 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 07:57:44,117 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 21
[2024-11-03 07:57:44,117 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596278035]
[2024-11-03 07:57:44,117 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 07:57:44,118 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 21 states
[2024-11-03 07:57:44,118 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 07:57:44,119 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants.
[2024-11-03 07:57:44,119 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=322, Unknown=0, NotChecked=0, Total=420
[2024-11-03 07:57:44,120 INFO  L87              Difference]: Start difference. First operand 105 states and 150 transitions. Second operand  has 21 states, 20 states have (on average 4.55) internal successors, (91), 19 states have internal predecessors, (91), 6 states have call successors, (61), 4 states have call predecessors, (61), 8 states have return successors, (62), 6 states have call predecessors, (62), 6 states have call successors, (62)
[2024-11-03 07:57:49,271 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 07:57:49,272 INFO  L93              Difference]: Finished difference Result 471 states and 639 transitions.
[2024-11-03 07:57:49,272 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. 
[2024-11-03 07:57:49,273 INFO  L78                 Accepts]: Start accepts. Automaton has  has 21 states, 20 states have (on average 4.55) internal successors, (91), 19 states have internal predecessors, (91), 6 states have call successors, (61), 4 states have call predecessors, (61), 8 states have return successors, (62), 6 states have call predecessors, (62), 6 states have call successors, (62) Word has length 210
[2024-11-03 07:57:49,273 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 07:57:49,276 INFO  L225             Difference]: With dead ends: 471
[2024-11-03 07:57:49,276 INFO  L226             Difference]: Without dead ends: 369
[2024-11-03 07:57:49,278 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 468 GetRequests, 403 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1387 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=983, Invalid=3439, Unknown=0, NotChecked=0, Total=4422
[2024-11-03 07:57:49,279 INFO  L432           NwaCegarLoop]: 159 mSDtfsCounter, 287 mSDsluCounter, 755 mSDsCounter, 0 mSdLazyCounter, 1144 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 914 SdHoareTripleChecker+Invalid, 1359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 1144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time
[2024-11-03 07:57:49,280 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 914 Invalid, 1359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 1144 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time]
[2024-11-03 07:57:49,281 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 369 states.
[2024-11-03 07:57:49,320 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 237.
[2024-11-03 07:57:49,322 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 237 states, 154 states have (on average 1.2142857142857142) internal successors, (187), 154 states have internal predecessors, (187), 66 states have call successors, (66), 16 states have call predecessors, (66), 16 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66)
[2024-11-03 07:57:49,325 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 319 transitions.
[2024-11-03 07:57:49,325 INFO  L78                 Accepts]: Start accepts. Automaton has 237 states and 319 transitions. Word has length 210
[2024-11-03 07:57:49,326 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 07:57:49,326 INFO  L471      AbstractCegarLoop]: Abstraction has 237 states and 319 transitions.
[2024-11-03 07:57:49,327 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 21 states, 20 states have (on average 4.55) internal successors, (91), 19 states have internal predecessors, (91), 6 states have call successors, (61), 4 states have call predecessors, (61), 8 states have return successors, (62), 6 states have call predecessors, (62), 6 states have call successors, (62)
[2024-11-03 07:57:49,327 INFO  L276                IsEmpty]: Start isEmpty. Operand 237 states and 319 transitions.
[2024-11-03 07:57:49,329 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 211
[2024-11-03 07:57:49,329 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 07:57:49,329 INFO  L215           NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 07:57:49,338 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0
[2024-11-03 07:57:49,529 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-03 07:57:49,530 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 07:57:49,530 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 07:57:49,530 INFO  L85        PathProgramCache]: Analyzing trace with hash 619555018, now seen corresponding path program 1 times
[2024-11-03 07:57:49,531 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 07:57:49,531 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2049384228]
[2024-11-03 07:57:49,531 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 07:57:49,531 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
[2024-11-03 07:57:49,531 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-03 07:57:49,534 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-03 07:57:49,535 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2024-11-03 07:57:49,726 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 07:57:49,733 INFO  L255         TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 50 conjuncts are in the unsatisfiable core
[2024-11-03 07:57:49,742 INFO  L278         TraceCheckSpWp]: Computing forward predicates...