/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_floatingpointinfluence_no-floats_file-37.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 07:46:15,329 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 07:46:15,374 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 07:46:15,379 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 07:46:15,379 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 07:46:15,395 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 07:46:15,395 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 07:46:15,395 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 07:46:15,396 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 07:46:15,396 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 07:46:15,396 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 07:46:15,396 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 07:46:15,397 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 07:46:15,397 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 07:46:15,397 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 07:46:15,398 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 07:46:15,399 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 07:46:15,399 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 07:46:15,399 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 07:46:15,399 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 07:46:15,399 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 07:46:15,400 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 07:46:15,400 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 07:46:15,400 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 07:46:15,400 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 07:46:15,401 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 07:46:15,401 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 07:46:15,401 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 07:46:15,401 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 07:46:15,401 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 07:46:15,402 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 07:46:15,402 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 07:46:15,402 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 07:46:15,402 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 07:46:15,403 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 07:46:15,403 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 07:46:15,403 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 07:46:15,403 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 07:46:15,404 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 07:46:15,404 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 07:46:15,404 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 07:46:15,404 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 07:46:15,404 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 07:46:15,405 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 07:46:15,405 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-03 07:46:15,596 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 07:46:15,614 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 07:46:15,616 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 07:46:15,617 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 07:46:15,618 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 07:46:15,618 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-37.i
[2024-11-03 07:46:16,842 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 07:46:17,006 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 07:46:17,006 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-37.i
[2024-11-03 07:46:17,014 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cee26fe26/3168453028db4a9fad0ebd4e3ad8fc02/FLAGb7c879999
[2024-11-03 07:46:17,399 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cee26fe26/3168453028db4a9fad0ebd4e3ad8fc02
[2024-11-03 07:46:17,401 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 07:46:17,404 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 07:46:17,405 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 07:46:17,405 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 07:46:17,410 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 07:46:17,410 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 07:46:17" (1/1) ...
[2024-11-03 07:46:17,411 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22299662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:46:17, skipping insertion in model container
[2024-11-03 07:46:17,411 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 07:46:17" (1/1) ...
[2024-11-03 07:46:17,433 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 07:46:17,560 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_floatingpointinfluence_no-floats_file-37.i[916,929]
[2024-11-03 07:46:17,587 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 07:46:17,597 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 07:46:17,606 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_floatingpointinfluence_no-floats_file-37.i[916,929]
[2024-11-03 07:46:17,622 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 07:46:17,636 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 07:46:17,636 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:46:17 WrapperNode
[2024-11-03 07:46:17,636 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 07:46:17,637 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 07:46:17,637 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 07:46:17,637 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 07:46:17,642 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:46:17" (1/1) ...
[2024-11-03 07:46:17,649 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:46:17" (1/1) ...
[2024-11-03 07:46:17,663 INFO  L138                Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 103
[2024-11-03 07:46:17,663 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 07:46:17,663 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 07:46:17,664 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 07:46:17,664 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 07:46:17,671 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:46:17" (1/1) ...
[2024-11-03 07:46:17,671 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:46:17" (1/1) ...
[2024-11-03 07:46:17,677 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:46:17" (1/1) ...
[2024-11-03 07:46:17,686 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 07:46:17,686 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:46:17" (1/1) ...
[2024-11-03 07:46:17,686 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:46:17" (1/1) ...
[2024-11-03 07:46:17,694 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:46:17" (1/1) ...
[2024-11-03 07:46:17,697 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:46:17" (1/1) ...
[2024-11-03 07:46:17,698 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:46:17" (1/1) ...
[2024-11-03 07:46:17,699 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:46:17" (1/1) ...
[2024-11-03 07:46:17,701 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 07:46:17,701 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 07:46:17,701 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 07:46:17,701 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 07:46:17,706 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:46:17" (1/1) ...
[2024-11-03 07:46:17,712 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 07:46:17,719 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 07:46:17,731 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 07:46:17,733 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 07:46:17,750 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 07:46:17,750 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 07:46:17,750 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 07:46:17,750 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 07:46:17,750 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 07:46:17,750 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 07:46:17,811 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 07:46:17,812 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 07:46:18,275 INFO  L?                        ?]: Removed 12 outVars from TransFormulas that were not future-live.
[2024-11-03 07:46:18,275 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 07:46:18,288 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 07:46:18,289 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 07:46:18,289 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 07:46:18 BoogieIcfgContainer
[2024-11-03 07:46:18,289 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 07:46:18,291 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 07:46:18,291 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 07:46:18,293 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 07:46:18,293 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 07:46:17" (1/3) ...
[2024-11-03 07:46:18,294 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e106e67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 07:46:18, skipping insertion in model container
[2024-11-03 07:46:18,294 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:46:17" (2/3) ...
[2024-11-03 07:46:18,294 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e106e67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 07:46:18, skipping insertion in model container
[2024-11-03 07:46:18,294 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 07:46:18" (3/3) ...
[2024-11-03 07:46:18,295 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-37.i
[2024-11-03 07:46:18,306 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 07:46:18,306 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 07:46:18,349 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 07:46:18,354 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;@21acd0e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 07:46:18,354 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 07:46:18,359 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 49 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-03 07:46:18,368 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 103
[2024-11-03 07:46:18,369 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 07:46:18,369 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:46:18,370 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 07:46:18,375 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 07:46:18,375 INFO  L85        PathProgramCache]: Analyzing trace with hash -1413997915, now seen corresponding path program 1 times
[2024-11-03 07:46:18,382 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 07:46:18,382 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2005379196]
[2024-11-03 07:46:18,382 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 07:46:18,384 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 07:46:18,384 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-03 07:46:18,387 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 07:46:18,388 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 07:46:18,504 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 07:46:18,508 INFO  L255         TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 07:46:18,514 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 07:46:18,579 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked.
[2024-11-03 07:46:18,579 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 07:46:18,683 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked.
[2024-11-03 07:46:18,684 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 07:46:18,684 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2005379196]
[2024-11-03 07:46:18,684 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [2005379196] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-03 07:46:18,684 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-03 07:46:18,685 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-03 07:46:18,686 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934202268]
[2024-11-03 07:46:18,686 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-03 07:46:18,690 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 07:46:18,690 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 07:46:18,705 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 07:46:18,705 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 07:46:18,707 INFO  L87              Difference]: Start difference. First operand  has 49 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand  has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16)
[2024-11-03 07:46:18,724 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 07:46:18,724 INFO  L93              Difference]: Finished difference Result 91 states and 152 transitions.
[2024-11-03 07:46:18,725 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 07:46:18,726 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 102
[2024-11-03 07:46:18,726 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 07:46:18,731 INFO  L225             Difference]: With dead ends: 91
[2024-11-03 07:46:18,731 INFO  L226             Difference]: Without dead ends: 45
[2024-11-03 07:46:18,735 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 202 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 07:46:18,739 INFO  L432           NwaCegarLoop]: 64 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, 64 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 07:46:18,739 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 07:46:18,753 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 45 states.
[2024-11-03 07:46:18,766 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45.
[2024-11-03 07:46:18,767 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 45 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-03 07:46:18,768 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions.
[2024-11-03 07:46:18,771 INFO  L78                 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 102
[2024-11-03 07:46:18,772 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 07:46:18,772 INFO  L471      AbstractCegarLoop]: Abstraction has 45 states and 64 transitions.
[2024-11-03 07:46:18,772 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16)
[2024-11-03 07:46:18,772 INFO  L276                IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions.
[2024-11-03 07:46:18,774 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 103
[2024-11-03 07:46:18,774 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 07:46:18,774 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:46:18,780 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 07:46:18,975 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 07:46:18,976 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 07:46:18,976 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 07:46:18,977 INFO  L85        PathProgramCache]: Analyzing trace with hash 1808726693, now seen corresponding path program 1 times
[2024-11-03 07:46:18,977 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 07:46:18,977 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1787660473]
[2024-11-03 07:46:18,977 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 07:46:18,977 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 07:46:18,978 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-03 07:46:18,980 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 07:46:18,981 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 07:46:19,071 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 07:46:19,074 INFO  L255         TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-03 07:46:19,079 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 07:46:19,509 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 222 proven. 69 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked.
[2024-11-03 07:46:19,509 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 07:46:20,249 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 15 proven. 72 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked.
[2024-11-03 07:46:20,250 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 07:46:20,250 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1787660473]
[2024-11-03 07:46:20,250 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1787660473] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 07:46:20,250 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 07:46:20,250 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16
[2024-11-03 07:46:20,250 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826168147]
[2024-11-03 07:46:20,250 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 07:46:20,253 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2024-11-03 07:46:20,253 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 07:46:20,254 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2024-11-03 07:46:20,255 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240
[2024-11-03 07:46:20,255 INFO  L87              Difference]: Start difference. First operand 45 states and 64 transitions. Second operand  has 16 states, 16 states have (on average 3.25) internal successors, (52), 16 states have internal predecessors, (52), 5 states have call successors, (31), 3 states have call predecessors, (31), 7 states have return successors, (32), 4 states have call predecessors, (32), 5 states have call successors, (32)
[2024-11-03 07:46:20,772 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 07:46:20,773 INFO  L93              Difference]: Finished difference Result 99 states and 135 transitions.
[2024-11-03 07:46:20,773 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2024-11-03 07:46:20,774 INFO  L78                 Accepts]: Start accepts. Automaton has  has 16 states, 16 states have (on average 3.25) internal successors, (52), 16 states have internal predecessors, (52), 5 states have call successors, (31), 3 states have call predecessors, (31), 7 states have return successors, (32), 4 states have call predecessors, (32), 5 states have call successors, (32) Word has length 102
[2024-11-03 07:46:20,774 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 07:46:20,775 INFO  L225             Difference]: With dead ends: 99
[2024-11-03 07:46:20,775 INFO  L226             Difference]: Without dead ends: 57
[2024-11-03 07:46:20,776 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 187 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=144, Invalid=276, Unknown=0, NotChecked=0, Total=420
[2024-11-03 07:46:20,777 INFO  L432           NwaCegarLoop]: 41 mSDtfsCounter, 56 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-03 07:46:20,777 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 153 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-03 07:46:20,777 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 57 states.
[2024-11-03 07:46:20,785 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 53.
[2024-11-03 07:46:20,785 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53 states, 33 states have (on average 1.121212121212121) internal successors, (37), 33 states have internal predecessors, (37), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-03 07:46:20,786 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 69 transitions.
[2024-11-03 07:46:20,787 INFO  L78                 Accepts]: Start accepts. Automaton has 53 states and 69 transitions. Word has length 102
[2024-11-03 07:46:20,787 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 07:46:20,787 INFO  L471      AbstractCegarLoop]: Abstraction has 53 states and 69 transitions.
[2024-11-03 07:46:20,787 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 16 states, 16 states have (on average 3.25) internal successors, (52), 16 states have internal predecessors, (52), 5 states have call successors, (31), 3 states have call predecessors, (31), 7 states have return successors, (32), 4 states have call predecessors, (32), 5 states have call successors, (32)
[2024-11-03 07:46:20,787 INFO  L276                IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions.
[2024-11-03 07:46:20,788 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 103
[2024-11-03 07:46:20,788 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 07:46:20,789 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:46:20,797 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 07:46:20,995 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 07:46:20,996 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 07:46:20,996 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 07:46:20,997 INFO  L85        PathProgramCache]: Analyzing trace with hash -1806182233, now seen corresponding path program 1 times
[2024-11-03 07:46:20,997 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 07:46:20,997 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1657785724]
[2024-11-03 07:46:20,997 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 07:46:20,997 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 07:46:20,997 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-03 07:46:21,000 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 07:46:21,001 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 07:46:21,073 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 07:46:21,080 INFO  L255         TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 16 conjuncts are in the unsatisfiable core
[2024-11-03 07:46:21,084 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 07:46:21,778 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 242 proven. 114 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked.
[2024-11-03 07:46:21,778 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 07:46:27,371 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 21 proven. 105 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked.
[2024-11-03 07:46:27,372 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 07:46:27,372 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1657785724]
[2024-11-03 07:46:27,372 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1657785724] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 07:46:27,372 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 07:46:27,372 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 27
[2024-11-03 07:46:27,372 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942572058]
[2024-11-03 07:46:27,373 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 07:46:27,373 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2024-11-03 07:46:27,373 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 07:46:27,374 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2024-11-03 07:46:27,374 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=491, Unknown=0, NotChecked=0, Total=702
[2024-11-03 07:46:27,375 INFO  L87              Difference]: Start difference. First operand 53 states and 69 transitions. Second operand  has 27 states, 26 states have (on average 2.5) internal successors, (65), 25 states have internal predecessors, (65), 8 states have call successors, (31), 5 states have call predecessors, (31), 11 states have return successors, (32), 7 states have call predecessors, (32), 8 states have call successors, (32)
[2024-11-03 07:46:29,090 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 07:46:29,091 INFO  L93              Difference]: Finished difference Result 119 states and 149 transitions.
[2024-11-03 07:46:29,091 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2024-11-03 07:46:29,092 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 26 states have (on average 2.5) internal successors, (65), 25 states have internal predecessors, (65), 8 states have call successors, (31), 5 states have call predecessors, (31), 11 states have return successors, (32), 7 states have call predecessors, (32), 8 states have call successors, (32) Word has length 102
[2024-11-03 07:46:29,092 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 07:46:29,093 INFO  L225             Difference]: With dead ends: 119
[2024-11-03 07:46:29,093 INFO  L226             Difference]: Without dead ends: 69
[2024-11-03 07:46:29,094 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=415, Invalid=917, Unknown=0, NotChecked=0, Total=1332
[2024-11-03 07:46:29,095 INFO  L432           NwaCegarLoop]: 44 mSDtfsCounter, 50 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-11-03 07:46:29,095 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 199 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-11-03 07:46:29,096 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 69 states.
[2024-11-03 07:46:29,103 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 61.
[2024-11-03 07:46:29,104 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 61 states, 39 states have (on average 1.0769230769230769) internal successors, (42), 39 states have internal predecessors, (42), 16 states have call successors, (16), 5 states have call predecessors, (16), 5 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-03 07:46:29,104 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 74 transitions.
[2024-11-03 07:46:29,105 INFO  L78                 Accepts]: Start accepts. Automaton has 61 states and 74 transitions. Word has length 102
[2024-11-03 07:46:29,105 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 07:46:29,105 INFO  L471      AbstractCegarLoop]: Abstraction has 61 states and 74 transitions.
[2024-11-03 07:46:29,105 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 26 states have (on average 2.5) internal successors, (65), 25 states have internal predecessors, (65), 8 states have call successors, (31), 5 states have call predecessors, (31), 11 states have return successors, (32), 7 states have call predecessors, (32), 8 states have call successors, (32)
[2024-11-03 07:46:29,105 INFO  L276                IsEmpty]: Start isEmpty. Operand 61 states and 74 transitions.
[2024-11-03 07:46:29,109 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 103
[2024-11-03 07:46:29,109 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 07:46:29,110 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:46:29,116 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 07:46:29,310 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 07:46:29,311 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 07:46:29,312 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 07:46:29,312 INFO  L85        PathProgramCache]: Analyzing trace with hash -31174871, now seen corresponding path program 1 times
[2024-11-03 07:46:29,312 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 07:46:29,312 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1350506017]
[2024-11-03 07:46:29,312 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 07:46:29,312 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 07:46:29,313 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-03 07:46:29,315 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 07:46:29,316 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 07:46:29,379 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 07:46:29,382 INFO  L255         TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 18 conjuncts are in the unsatisfiable core
[2024-11-03 07:46:29,388 INFO  L278         TraceCheckSpWp]: Computing forward predicates...