/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy WOLF -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w32_d16_e0.c


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


This is Ultimate 0.2.5-dev-17387ad-m
[2024-11-06 05:40:25,564 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-06 05:40:25,626 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf
[2024-11-06 05:40:25,631 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 05:40:25,632 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 05:40:25,663 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 05:40:25,664 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 05:40:25,664 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 05:40:25,667 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 05:40:25,667 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-06 05:40:25,667 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 05:40:25,667 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 05:40:25,668 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 05:40:25,668 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-06 05:40:25,668 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-06 05:40:25,669 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 05:40:25,671 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-06 05:40:25,671 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-06 05:40:25,672 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 05:40:25,672 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 05:40:25,672 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 05:40:25,673 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-06 05:40:25,673 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-06 05:40:25,673 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-06 05:40:25,674 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-06 05:40:25,674 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-06 05:40:25,674 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-06 05:40:25,675 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 05:40:25,675 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-06 05:40:25,675 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 05:40:25,675 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-06 05:40:25,676 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 05:40:25,676 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 05:40:25,676 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 05:40:25,677 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 05:40:25,677 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-06 05:40:25,677 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt 
[2024-11-06 05:40:25,677 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 05:40:25,678 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 05:40:25,678 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 05:40:25,678 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 05:40:25,679 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF
[2024-11-06 05:40:25,883 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 05:40:25,908 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 05:40:25,911 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 05:40:25,912 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-06 05:40:25,912 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-06 05:40:25,913 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w32_d16_e0.c
[2024-11-06 05:40:27,328 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-06 05:40:27,637 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-06 05:40:27,637 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w32_d16_e0.c
[2024-11-06 05:40:27,664 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86a23d89a/297d5898bd84450ea72edca295781656/FLAGdd6eca2db
[2024-11-06 05:40:27,682 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86a23d89a/297d5898bd84450ea72edca295781656
[2024-11-06 05:40:27,685 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 05:40:27,688 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-06 05:40:27,689 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 05:40:27,689 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 05:40:27,694 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 05:40:27,695 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 05:40:27" (1/1) ...
[2024-11-06 05:40:27,696 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cdaf7f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:40:27, skipping insertion in model container
[2024-11-06 05:40:27,696 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 05:40:27" (1/1) ...
[2024-11-06 05:40:27,767 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-06 05:40:28,007 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w32_d16_e0.c[1325,1338]
[2024-11-06 05:40:28,443 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 05:40:28,456 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-06 05:40:28,469 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w32_d16_e0.c[1325,1338]
[2024-11-06 05:40:28,611 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 05:40:28,629 INFO  L204         MainTranslator]: Completed translation
[2024-11-06 05:40:28,631 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:40:28 WrapperNode
[2024-11-06 05:40:28,631 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 05:40:28,632 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 05:40:28,632 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 05:40:28,632 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 05:40:28,638 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:40:28" (1/1) ...
[2024-11-06 05:40:28,685 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:40:28" (1/1) ...
[2024-11-06 05:40:28,788 INFO  L138                Inliner]: procedures = 18, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2642
[2024-11-06 05:40:28,788 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 05:40:28,789 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 05:40:28,789 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 05:40:28,789 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 05:40:28,799 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:40:28" (1/1) ...
[2024-11-06 05:40:28,800 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:40:28" (1/1) ...
[2024-11-06 05:40:28,826 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:40:28" (1/1) ...
[2024-11-06 05:40:28,873 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-06 05:40:28,874 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:40:28" (1/1) ...
[2024-11-06 05:40:28,874 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:40:28" (1/1) ...
[2024-11-06 05:40:28,927 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:40:28" (1/1) ...
[2024-11-06 05:40:28,937 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:40:28" (1/1) ...
[2024-11-06 05:40:28,956 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:40:28" (1/1) ...
[2024-11-06 05:40:28,973 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:40:28" (1/1) ...
[2024-11-06 05:40:28,994 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 05:40:28,996 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 05:40:28,996 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 05:40:28,996 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-06 05:40:28,997 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:40:28" (1/1) ...
[2024-11-06 05:40:29,003 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 05:40:29,017 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 05:40:29,032 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-06 05:40:29,035 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-06 05:40:29,066 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 05:40:29,066 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-06 05:40:29,066 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-06 05:40:29,067 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-06 05:40:29,067 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 05:40:29,067 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 05:40:29,485 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-06 05:40:29,487 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 05:40:31,768 INFO  L?                        ?]: Removed 953 outVars from TransFormulas that were not future-live.
[2024-11-06 05:40:31,769 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-06 05:40:31,781 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 05:40:31,781 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-06 05:40:31,782 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 05:40:31 BoogieIcfgContainer
[2024-11-06 05:40:31,782 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 05:40:31,785 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 05:40:31,785 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 05:40:31,788 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-06 05:40:31,789 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 05:40:27" (1/3) ...
[2024-11-06 05:40:31,790 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20de5e3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 05:40:31, skipping insertion in model container
[2024-11-06 05:40:31,790 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:40:28" (2/3) ...
[2024-11-06 05:40:31,790 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20de5e3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 05:40:31, skipping insertion in model container
[2024-11-06 05:40:31,790 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 05:40:31" (3/3) ...
[2024-11-06 05:40:31,791 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n3_w32_d16_e0.c
[2024-11-06 05:40:31,807 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 05:40:31,808 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 05:40:31,868 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 05:40:31,875 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;@5e5298fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 05:40:31,876 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 05:40:31,880 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 34 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 22 states have internal predecessors, (25), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2024-11-06 05:40:31,889 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2024-11-06 05:40:31,889 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 05:40:31,890 INFO  L215           NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 05:40:31,890 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 05:40:31,894 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 05:40:31,894 INFO  L85        PathProgramCache]: Analyzing trace with hash -209771273, now seen corresponding path program 1 times
[2024-11-06 05:40:31,912 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 05:40:31,913 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1293973413]
[2024-11-06 05:40:31,913 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 05:40:31,913 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 05:40:31,914 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 05:40:31,917 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-06 05:40:31,919 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2024-11-06 05:40:33,869 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 05:40:33,896 INFO  L255         TraceCheckSpWp]: Trace formula consists of 1159 conjuncts, 14 conjuncts are in the unsatisfiable core
[2024-11-06 05:40:33,911 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 05:40:34,316 INFO  L134       CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked.
[2024-11-06 05:40:34,316 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 05:40:34,317 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 05:40:34,317 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1293973413]
[2024-11-06 05:40:34,317 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1293973413] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 05:40:34,317 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 05:40:34,318 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-06 05:40:34,320 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380547433]
[2024-11-06 05:40:34,320 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 05:40:34,324 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-06 05:40:34,324 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 05:40:34,345 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-06 05:40:34,347 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-06 05:40:34,349 INFO  L87              Difference]: Start difference. First operand  has 34 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 22 states have internal predecessors, (25), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand  has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2024-11-06 05:40:34,858 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 05:40:34,858 INFO  L93              Difference]: Finished difference Result 85 states and 140 transitions.
[2024-11-06 05:40:34,860 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-06 05:40:34,861 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 65
[2024-11-06 05:40:34,862 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 05:40:34,870 INFO  L225             Difference]: With dead ends: 85
[2024-11-06 05:40:34,870 INFO  L226             Difference]: Without dead ends: 53
[2024-11-06 05:40:34,874 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-06 05:40:34,879 INFO  L432           NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-06 05:40:34,880 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-06 05:40:34,895 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 53 states.
[2024-11-06 05:40:34,927 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53.
[2024-11-06 05:40:34,928 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53 states, 31 states have (on average 1.032258064516129) internal successors, (32), 31 states have internal predecessors, (32), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-06 05:40:34,932 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions.
[2024-11-06 05:40:34,934 INFO  L78                 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 65
[2024-11-06 05:40:34,935 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 05:40:34,936 INFO  L471      AbstractCegarLoop]: Abstraction has 53 states and 72 transitions.
[2024-11-06 05:40:34,936 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2024-11-06 05:40:34,936 INFO  L276                IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions.
[2024-11-06 05:40:34,940 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 129
[2024-11-06 05:40:34,940 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 05:40:34,941 INFO  L215           NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1]
[2024-11-06 05:40:34,956 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2024-11-06 05:40:35,142 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 05:40:35,143 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 05:40:35,144 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 05:40:35,144 INFO  L85        PathProgramCache]: Analyzing trace with hash -1242097501, now seen corresponding path program 1 times
[2024-11-06 05:40:35,151 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 05:40:35,151 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2016947015]
[2024-11-06 05:40:35,151 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 05:40:35,151 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 05:40:35,152 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 05:40:35,155 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-06 05:40:35,156 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2024-11-06 05:40:43,626 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 05:40:43,694 INFO  L255         TraceCheckSpWp]: Trace formula consists of 2215 conjuncts, 259 conjuncts are in the unsatisfiable core
[2024-11-06 05:40:43,752 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 05:40:57,013 INFO  L134       CoverageAnalysis]: Checked inductivity of 782 backedges. 126 proven. 88 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked.
[2024-11-06 05:40:57,014 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 05:41:13,266 WARN  L286               SmtUtils]: Spent 7.47s on a formula simplification. DAG size of input: 375 DAG size of output: 371 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-06 05:41:16,055 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 05:41:16,055 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2016947015]
[2024-11-06 05:41:16,055 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2016947015] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-06 05:41:16,055 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2056328535]
[2024-11-06 05:41:16,056 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 05:41:16,056 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-06 05:41:16,056 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-06 05:41:16,059 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-06 05:41:16,061 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process
[2024-11-06 05:41:18,749 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 05:41:18,858 INFO  L255         TraceCheckSpWp]: Trace formula consists of 2215 conjuncts, 40 conjuncts are in the unsatisfiable core
[2024-11-06 05:41:18,872 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 05:41:20,188 INFO  L134       CoverageAnalysis]: Checked inductivity of 782 backedges. 18 proven. 61 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked.
[2024-11-06 05:41:20,189 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 05:41:20,630 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2056328535] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-06 05:41:20,630 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-06 05:41:20,630 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9] total 19
[2024-11-06 05:41:20,631 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934235152]
[2024-11-06 05:41:20,631 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-06 05:41:20,632 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2024-11-06 05:41:20,632 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 05:41:20,634 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2024-11-06 05:41:20,634 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462
[2024-11-06 05:41:20,634 INFO  L87              Difference]: Start difference. First operand 53 states and 72 transitions. Second operand  has 19 states, 14 states have (on average 4.214285714285714) internal successors, (59), 17 states have internal predecessors, (59), 12 states have call successors, (40), 1 states have call predecessors, (40), 2 states have return successors, (40), 9 states have call predecessors, (40), 12 states have call successors, (40)
[2024-11-06 05:41:24,744 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 05:41:24,745 INFO  L93              Difference]: Finished difference Result 78 states and 107 transitions.
[2024-11-06 05:41:24,745 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2024-11-06 05:41:24,745 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 14 states have (on average 4.214285714285714) internal successors, (59), 17 states have internal predecessors, (59), 12 states have call successors, (40), 1 states have call predecessors, (40), 2 states have return successors, (40), 9 states have call predecessors, (40), 12 states have call successors, (40) Word has length 128
[2024-11-06 05:41:24,746 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 05:41:24,748 INFO  L225             Difference]: With dead ends: 78
[2024-11-06 05:41:24,748 INFO  L226             Difference]: Without dead ends: 76
[2024-11-06 05:41:24,751 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 16.2s TimeCoverageRelationStatistics Valid=168, Invalid=888, Unknown=0, NotChecked=0, Total=1056
[2024-11-06 05:41:24,752 INFO  L432           NwaCegarLoop]: 26 mSDtfsCounter, 42 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-11-06 05:41:24,752 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 410 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 679 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-11-06 05:41:24,753 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 76 states.
[2024-11-06 05:41:24,775 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76.
[2024-11-06 05:41:24,776 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 76 states, 44 states have (on average 1.0227272727272727) internal successors, (45), 44 states have internal predecessors, (45), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30)
[2024-11-06 05:41:24,777 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 105 transitions.
[2024-11-06 05:41:24,778 INFO  L78                 Accepts]: Start accepts. Automaton has 76 states and 105 transitions. Word has length 128
[2024-11-06 05:41:24,779 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 05:41:24,779 INFO  L471      AbstractCegarLoop]: Abstraction has 76 states and 105 transitions.
[2024-11-06 05:41:24,779 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 14 states have (on average 4.214285714285714) internal successors, (59), 17 states have internal predecessors, (59), 12 states have call successors, (40), 1 states have call predecessors, (40), 2 states have return successors, (40), 9 states have call predecessors, (40), 12 states have call successors, (40)
[2024-11-06 05:41:24,779 INFO  L276                IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions.
[2024-11-06 05:41:24,782 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 192
[2024-11-06 05:41:24,782 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 05:41:24,782 INFO  L215           NwaCegarLoop]: trace histogram [30, 30, 30, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1]
[2024-11-06 05:41:24,814 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0
[2024-11-06 05:41:25,016 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2024-11-06 05:41:25,183 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 05:41:25,184 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 05:41:25,184 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 05:41:25,185 INFO  L85        PathProgramCache]: Analyzing trace with hash -2139398281, now seen corresponding path program 2 times
[2024-11-06 05:41:25,187 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 05:41:25,187 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [509409076]
[2024-11-06 05:41:25,187 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-06 05:41:25,188 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 05:41:25,188 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 05:41:25,189 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-06 05:41:25,190 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2024-11-06 05:41:42,920 INFO  L227   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-06 05:41:42,920 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-06 05:41:43,020 INFO  L255         TraceCheckSpWp]: Trace formula consists of 3271 conjuncts, 157 conjuncts are in the unsatisfiable core
[2024-11-06 05:41:43,053 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 05:41:58,336 INFO  L134       CoverageAnalysis]: Checked inductivity of 1807 backedges. 234 proven. 208 refuted. 0 times theorem prover too weak. 1365 trivial. 0 not checked.
[2024-11-06 05:41:58,336 INFO  L311         TraceCheckSpWp]: Computing backward predicates...