/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-90.i


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


This is Ultimate 0.2.5-dev-df9f019-m
[2024-11-05 19:31:48,898 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-05 19:31:48,942 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-05 19:31:48,946 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-05 19:31:48,946 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-05 19:31:48,961 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-05 19:31:48,961 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-05 19:31:48,962 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-05 19:31:48,962 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-05 19:31:48,962 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-05 19:31:48,963 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-05 19:31:48,963 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-05 19:31:48,963 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-05 19:31:48,963 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-05 19:31:48,964 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-05 19:31:48,964 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-05 19:31:48,967 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-05 19:31:48,967 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-05 19:31:48,968 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-05 19:31:48,968 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-05 19:31:48,968 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-05 19:31:48,969 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-05 19:31:48,969 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-05 19:31:48,969 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-05 19:31:48,969 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-05 19:31:48,969 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-05 19:31:48,970 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-05 19:31:48,970 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-05 19:31:48,970 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-05 19:31:48,970 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-05 19:31:48,970 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-05 19:31:48,971 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-05 19:31:48,971 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-05 19:31:48,971 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-05 19:31:48,971 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 19:31:48,971 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-05 19:31:48,971 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-05 19:31:48,972 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-05 19:31:48,972 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-05 19:31:48,972 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-05 19:31:48,972 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-05 19:31:48,978 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-05 19:31:48,978 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-05 19:31:48,978 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-05 19:31:48,978 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-05 19:31:49,159 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-05 19:31:49,180 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-05 19:31:49,182 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-05 19:31:49,183 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-05 19:31:49,184 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-05 19:31:49,185 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-90.i
[2024-11-05 19:31:50,526 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-05 19:31:50,685 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-05 19:31:50,686 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-90.i
[2024-11-05 19:31:50,695 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/667028032/20f6b126cca748cb93869df608f7e5c5/FLAG7bc45bd41
[2024-11-05 19:31:51,086 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/667028032/20f6b126cca748cb93869df608f7e5c5
[2024-11-05 19:31:51,088 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-05 19:31:51,090 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-05 19:31:51,093 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-05 19:31:51,093 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-05 19:31:51,098 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-05 19:31:51,098 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 07:31:51" (1/1) ...
[2024-11-05 19:31:51,099 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8b2d8ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:31:51, skipping insertion in model container
[2024-11-05 19:31:51,099 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 07:31:51" (1/1) ...
[2024-11-05 19:31:51,131 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-05 19:31:51,271 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-90.i[916,929]
[2024-11-05 19:31:51,378 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 19:31:51,402 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-05 19:31:51,421 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-90.i[916,929]
[2024-11-05 19:31:51,461 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 19:31:51,480 INFO  L204         MainTranslator]: Completed translation
[2024-11-05 19:31:51,480 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:31:51 WrapperNode
[2024-11-05 19:31:51,480 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-05 19:31:51,481 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-05 19:31:51,481 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-05 19:31:51,481 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-05 19:31:51,487 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:31:51" (1/1) ...
[2024-11-05 19:31:51,506 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:31:51" (1/1) ...
[2024-11-05 19:31:51,551 INFO  L138                Inliner]: procedures = 27, calls = 63, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 261
[2024-11-05 19:31:51,552 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-05 19:31:51,556 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-05 19:31:51,557 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-05 19:31:51,557 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-05 19:31:51,566 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:31:51" (1/1) ...
[2024-11-05 19:31:51,567 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:31:51" (1/1) ...
[2024-11-05 19:31:51,573 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:31:51" (1/1) ...
[2024-11-05 19:31:51,587 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].
[2024-11-05 19:31:51,587 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:31:51" (1/1) ...
[2024-11-05 19:31:51,587 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:31:51" (1/1) ...
[2024-11-05 19:31:51,595 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:31:51" (1/1) ...
[2024-11-05 19:31:51,600 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:31:51" (1/1) ...
[2024-11-05 19:31:51,602 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:31:51" (1/1) ...
[2024-11-05 19:31:51,603 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:31:51" (1/1) ...
[2024-11-05 19:31:51,606 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-05 19:31:51,607 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-05 19:31:51,607 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-05 19:31:51,607 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-05 19:31:51,608 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:31:51" (1/1) ...
[2024-11-05 19:31:51,612 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 19:31:51,630 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-05 19:31:51,646 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)
[2024-11-05 19:31:51,654 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
[2024-11-05 19:31:51,677 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-05 19:31:51,678 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-05 19:31:51,678 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-05 19:31:51,678 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-05 19:31:51,678 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-05 19:31:51,678 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-05 19:31:51,781 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-05 19:31:51,783 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-05 19:31:58,696 INFO  L?                        ?]: Removed 22 outVars from TransFormulas that were not future-live.
[2024-11-05 19:31:58,696 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-05 19:31:58,710 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-05 19:31:58,710 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-05 19:31:58,710 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 07:31:58 BoogieIcfgContainer
[2024-11-05 19:31:58,710 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-05 19:31:58,712 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-05 19:31:58,712 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-05 19:31:58,714 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-05 19:31:58,714 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 07:31:51" (1/3) ...
[2024-11-05 19:31:58,715 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d42f264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 07:31:58, skipping insertion in model container
[2024-11-05 19:31:58,715 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:31:51" (2/3) ...
[2024-11-05 19:31:58,715 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d42f264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 07:31:58, skipping insertion in model container
[2024-11-05 19:31:58,715 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 07:31:58" (3/3) ...
[2024-11-05 19:31:58,716 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-90.i
[2024-11-05 19:31:58,726 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-05 19:31:58,727 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-05 19:31:58,781 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-05 19:31:58,787 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;@3f21721b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-05 19:31:58,787 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-05 19:31:58,790 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 118 states, 65 states have (on average 1.3692307692307693) internal successors, (89), 66 states have internal predecessors, (89), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50)
[2024-11-05 19:31:58,854 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 301
[2024-11-05 19:31:58,854 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 19:31:58,855 INFO  L215           NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-05 19:31:58,856 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 19:31:58,860 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 19:31:58,860 INFO  L85        PathProgramCache]: Analyzing trace with hash 2050333767, now seen corresponding path program 1 times
[2024-11-05 19:31:58,866 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 19:31:58,866 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [248808994]
[2024-11-05 19:31:58,867 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 19:31:58,869 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
[2024-11-05 19:31:58,869 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 19:31:58,873 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)
[2024-11-05 19:31:58,874 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
[2024-11-05 19:31:59,161 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 19:31:59,184 INFO  L255         TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-05 19:31:59,193 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 19:31:59,232 INFO  L134       CoverageAnalysis]: Checked inductivity of 4900 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 4802 trivial. 0 not checked.
[2024-11-05 19:31:59,233 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 19:31:59,675 INFO  L134       CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 4802 trivial. 0 not checked.
[2024-11-05 19:31:59,676 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-05 19:31:59,682 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [248808994]
[2024-11-05 19:31:59,682 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [248808994] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-05 19:31:59,682 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-05 19:31:59,682 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-05 19:31:59,684 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873835334]
[2024-11-05 19:31:59,684 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-05 19:31:59,688 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-05 19:31:59,688 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-05 19:31:59,706 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-05 19:31:59,707 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-05 19:31:59,709 INFO  L87              Difference]: Start difference. First operand  has 118 states, 65 states have (on average 1.3692307692307693) internal successors, (89), 66 states have internal predecessors, (89), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) Second operand  has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50)
[2024-11-05 19:31:59,737 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 19:31:59,738 INFO  L93              Difference]: Finished difference Result 229 states and 422 transitions.
[2024-11-05 19:31:59,741 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-05 19:31:59,742 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) Word has length 300
[2024-11-05 19:31:59,743 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 19:31:59,748 INFO  L225             Difference]: With dead ends: 229
[2024-11-05 19:31:59,748 INFO  L226             Difference]: Without dead ends: 114
[2024-11-05 19:31:59,753 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 598 GetRequests, 598 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-05 19:31:59,755 INFO  L432           NwaCegarLoop]: 182 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, 182 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
[2024-11-05 19:31:59,756 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-05 19:31:59,768 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 114 states.
[2024-11-05 19:31:59,791 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114.
[2024-11-05 19:31:59,793 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 114 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 62 states have internal predecessors, (82), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50)
[2024-11-05 19:31:59,794 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 182 transitions.
[2024-11-05 19:31:59,796 INFO  L78                 Accepts]: Start accepts. Automaton has 114 states and 182 transitions. Word has length 300
[2024-11-05 19:31:59,796 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 19:31:59,796 INFO  L471      AbstractCegarLoop]: Abstraction has 114 states and 182 transitions.
[2024-11-05 19:31:59,796 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50)
[2024-11-05 19:31:59,796 INFO  L276                IsEmpty]: Start isEmpty. Operand 114 states and 182 transitions.
[2024-11-05 19:31:59,800 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 301
[2024-11-05 19:31:59,800 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 19:31:59,800 INFO  L215           NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-05 19:31:59,813 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
[2024-11-05 19:32:00,004 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
[2024-11-05 19:32:00,005 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 19:32:00,006 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 19:32:00,006 INFO  L85        PathProgramCache]: Analyzing trace with hash 1766668159, now seen corresponding path program 1 times
[2024-11-05 19:32:00,006 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 19:32:00,006 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [62083577]
[2024-11-05 19:32:00,006 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 19:32:00,007 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
[2024-11-05 19:32:00,007 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 19:32:00,009 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)
[2024-11-05 19:32:00,010 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
[2024-11-05 19:32:00,276 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 19:32:00,288 INFO  L255         TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-05 19:32:00,300 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 19:32:02,419 INFO  L134       CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked.
[2024-11-05 19:32:02,420 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 19:32:03,228 INFO  L134       CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked.
[2024-11-05 19:32:03,228 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-05 19:32:03,228 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [62083577]
[2024-11-05 19:32:03,229 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [62083577] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-05 19:32:03,229 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-05 19:32:03,229 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 4
[2024-11-05 19:32:03,229 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074390462]
[2024-11-05 19:32:03,229 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-05 19:32:03,230 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-05 19:32:03,231 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-05 19:32:03,231 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-05 19:32:03,232 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-05 19:32:03,232 INFO  L87              Difference]: Start difference. First operand 114 states and 182 transitions. Second operand  has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (100), 2 states have call predecessors, (100), 2 states have return successors, (100), 1 states have call predecessors, (100), 1 states have call successors, (100)
[2024-11-05 19:32:05,979 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 19:32:07,109 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 19:32:07,110 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 19:32:07,111 INFO  L93              Difference]: Finished difference Result 379 states and 606 transitions.
[2024-11-05 19:32:07,146 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-05 19:32:07,146 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (100), 2 states have call predecessors, (100), 2 states have return successors, (100), 1 states have call predecessors, (100), 1 states have call successors, (100) Word has length 300
[2024-11-05 19:32:07,147 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 19:32:07,153 INFO  L225             Difference]: With dead ends: 379
[2024-11-05 19:32:07,153 INFO  L226             Difference]: Without dead ends: 268
[2024-11-05 19:32:07,154 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 600 GetRequests, 597 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-05 19:32:07,158 INFO  L432           NwaCegarLoop]: 178 mSDtfsCounter, 177 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time
[2024-11-05 19:32:07,158 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 522 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time]
[2024-11-05 19:32:07,160 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 268 states.
[2024-11-05 19:32:07,202 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 228.
[2024-11-05 19:32:07,203 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 228 states, 125 states have (on average 1.32) internal successors, (165), 125 states have internal predecessors, (165), 100 states have call successors, (100), 2 states have call predecessors, (100), 2 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100)
[2024-11-05 19:32:07,206 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 365 transitions.
[2024-11-05 19:32:07,207 INFO  L78                 Accepts]: Start accepts. Automaton has 228 states and 365 transitions. Word has length 300
[2024-11-05 19:32:07,208 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 19:32:07,208 INFO  L471      AbstractCegarLoop]: Abstraction has 228 states and 365 transitions.
[2024-11-05 19:32:07,208 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (100), 2 states have call predecessors, (100), 2 states have return successors, (100), 1 states have call predecessors, (100), 1 states have call successors, (100)
[2024-11-05 19:32:07,208 INFO  L276                IsEmpty]: Start isEmpty. Operand 228 states and 365 transitions.
[2024-11-05 19:32:07,211 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 301
[2024-11-05 19:32:07,212 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 19:32:07,212 INFO  L215           NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-05 19:32:07,224 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
[2024-11-05 19:32:07,412 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
[2024-11-05 19:32:07,413 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 19:32:07,414 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 19:32:07,414 INFO  L85        PathProgramCache]: Analyzing trace with hash -916863615, now seen corresponding path program 1 times
[2024-11-05 19:32:07,414 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 19:32:07,415 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1827248978]
[2024-11-05 19:32:07,416 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 19:32:07,416 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
[2024-11-05 19:32:07,416 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 19:32:07,417 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)
[2024-11-05 19:32:07,419 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
[2024-11-05 19:32:07,872 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 19:32:07,892 INFO  L255         TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 55 conjuncts are in the unsatisfiable core
[2024-11-05 19:32:07,914 INFO  L278         TraceCheckSpWp]: Computing forward predicates...