/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-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-31.i


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


This is Ultimate 0.2.5-dev-17387ad-m
[2024-11-05 23:34:53,822 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-05 23:34:53,866 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-05 23:34:53,872 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-05 23:34:53,872 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-05 23:34:53,887 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-05 23:34:53,887 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-05 23:34:53,887 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-05 23:34:53,888 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-05 23:34:53,888 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-05 23:34:53,888 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-05 23:34:53,889 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-05 23:34:53,889 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-05 23:34:53,889 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-05 23:34:53,890 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-05 23:34:53,890 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-05 23:34:53,890 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-05 23:34:53,890 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-05 23:34:53,891 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-05 23:34:53,891 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-05 23:34:53,891 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-05 23:34:53,892 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-05 23:34:53,892 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-05 23:34:53,892 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-05 23:34:53,892 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-05 23:34:53,893 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-05 23:34:53,893 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-05 23:34:53,893 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-05 23:34:53,893 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-05 23:34:53,894 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-05 23:34:53,894 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-05 23:34:53,894 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-05 23:34:53,894 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-05 23:34:53,895 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-05 23:34:53,895 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 23:34:53,895 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-05 23:34:53,895 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-05 23:34:53,896 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-05 23:34:53,896 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-05 23:34:53,896 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-05 23:34:53,896 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-05 23:34:53,897 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-05 23:34:53,897 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-05 23:34:53,897 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-05 23:34:53,897 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF
[2024-11-05 23:34:54,071 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-05 23:34:54,089 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-05 23:34:54,091 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-05 23:34:54,092 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-05 23:34:54,092 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-05 23:34:54,093 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-31.i
[2024-11-05 23:34:55,504 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-05 23:34:55,724 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-05 23:34:55,725 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-31.i
[2024-11-05 23:34:55,732 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76aaaf122/0f19bbfb15dd4c72ac61f10fa7d1ee56/FLAGdc2bc06cc
[2024-11-05 23:34:55,744 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76aaaf122/0f19bbfb15dd4c72ac61f10fa7d1ee56
[2024-11-05 23:34:55,746 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-05 23:34:55,747 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-05 23:34:55,748 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-05 23:34:55,748 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-05 23:34:55,754 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-05 23:34:55,755 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:34:55" (1/1) ...
[2024-11-05 23:34:55,755 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d965a0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:55, skipping insertion in model container
[2024-11-05 23:34:55,755 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:34:55" (1/1) ...
[2024-11-05 23:34:55,778 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-05 23:34:55,921 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-31.i[915,928]
[2024-11-05 23:34:55,967 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 23:34:55,982 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-05 23:34:55,995 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-31.i[915,928]
[2024-11-05 23:34:56,019 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 23:34:56,036 INFO  L204         MainTranslator]: Completed translation
[2024-11-05 23:34:56,037 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:56 WrapperNode
[2024-11-05 23:34:56,037 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-05 23:34:56,038 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-05 23:34:56,038 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-05 23:34:56,038 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-05 23:34:56,042 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:56" (1/1) ...
[2024-11-05 23:34:56,054 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:56" (1/1) ...
[2024-11-05 23:34:56,068 INFO  L138                Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 94
[2024-11-05 23:34:56,069 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-05 23:34:56,072 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-05 23:34:56,072 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-05 23:34:56,072 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-05 23:34:56,079 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:56" (1/1) ...
[2024-11-05 23:34:56,080 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:56" (1/1) ...
[2024-11-05 23:34:56,082 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:56" (1/1) ...
[2024-11-05 23:34:56,094 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-05 23:34:56,094 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:56" (1/1) ...
[2024-11-05 23:34:56,094 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:56" (1/1) ...
[2024-11-05 23:34:56,099 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:56" (1/1) ...
[2024-11-05 23:34:56,101 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:56" (1/1) ...
[2024-11-05 23:34:56,102 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:56" (1/1) ...
[2024-11-05 23:34:56,103 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:56" (1/1) ...
[2024-11-05 23:34:56,105 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-05 23:34:56,105 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-05 23:34:56,105 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-05 23:34:56,106 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-05 23:34:56,106 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:56" (1/1) ...
[2024-11-05 23:34:56,117 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 23:34:56,126 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-05 23:34:56,140 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-05 23:34:56,147 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-05 23:34:56,163 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-05 23:34:56,163 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-05 23:34:56,164 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-05 23:34:56,164 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-05 23:34:56,164 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-05 23:34:56,165 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-05 23:34:56,241 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-05 23:34:56,242 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-05 23:34:56,512 INFO  L?                        ?]: Removed 14 outVars from TransFormulas that were not future-live.
[2024-11-05 23:34:56,513 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-05 23:34:56,526 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-05 23:34:56,526 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-05 23:34:56,526 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:34:56 BoogieIcfgContainer
[2024-11-05 23:34:56,527 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-05 23:34:56,528 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-05 23:34:56,529 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-05 23:34:56,531 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-05 23:34:56,531 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 11:34:55" (1/3) ...
[2024-11-05 23:34:56,531 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e09ff8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:34:56, skipping insertion in model container
[2024-11-05 23:34:56,532 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:34:56" (2/3) ...
[2024-11-05 23:34:56,532 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e09ff8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:34:56, skipping insertion in model container
[2024-11-05 23:34:56,532 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:34:56" (3/3) ...
[2024-11-05 23:34:56,533 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-31.i
[2024-11-05 23:34:56,544 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-05 23:34:56,544 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-05 23:34:56,583 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-05 23:34:56,588 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;@13a30525, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-05 23:34:56,588 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-05 23:34:56,591 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 43 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11)
[2024-11-05 23:34:56,597 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 76
[2024-11-05 23:34:56,597 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 23:34:56,597 INFO  L215           NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-05 23:34:56,597 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 23:34:56,601 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 23:34:56,601 INFO  L85        PathProgramCache]: Analyzing trace with hash 1095913414, now seen corresponding path program 1 times
[2024-11-05 23:34:56,610 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-05 23:34:56,611 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1038475640]
[2024-11-05 23:34:56,611 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 23:34:56,611 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-05 23:34:56,612 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 23:34:56,614 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-05 23:34:56,616 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2024-11-05 23:34:56,756 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 23:34:56,765 INFO  L255         TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-05 23:34:56,773 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 23:34:56,833 INFO  L134       CoverageAnalysis]: Checked inductivity of 220 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked.
[2024-11-05 23:34:56,833 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-05 23:34:56,834 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-05 23:34:56,834 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1038475640]
[2024-11-05 23:34:56,834 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1038475640] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-05 23:34:56,835 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-05 23:34:56,835 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-05 23:34:56,836 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599052165]
[2024-11-05 23:34:56,840 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-05 23:34:56,846 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-05 23:34:56,847 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-05 23:34:56,873 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-05 23:34:56,873 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-05 23:34:56,875 INFO  L87              Difference]: Start difference. First operand  has 43 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand  has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11)
[2024-11-05 23:34:56,902 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 23:34:56,902 INFO  L93              Difference]: Finished difference Result 79 states and 127 transitions.
[2024-11-05 23:34:56,904 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-05 23:34:56,905 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 75
[2024-11-05 23:34:56,906 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 23:34:56,910 INFO  L225             Difference]: With dead ends: 79
[2024-11-05 23:34:56,910 INFO  L226             Difference]: Without dead ends: 39
[2024-11-05 23:34:56,913 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-05 23:34:56,917 INFO  L432           NwaCegarLoop]: 54 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, 54 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-05 23:34:56,920 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-05 23:34:56,936 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 39 states.
[2024-11-05 23:34:56,960 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39.
[2024-11-05 23:34:56,963 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 39 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11)
[2024-11-05 23:34:56,968 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions.
[2024-11-05 23:34:56,969 INFO  L78                 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 75
[2024-11-05 23:34:56,969 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 23:34:56,969 INFO  L471      AbstractCegarLoop]: Abstraction has 39 states and 54 transitions.
[2024-11-05 23:34:56,970 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11)
[2024-11-05 23:34:56,970 INFO  L276                IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions.
[2024-11-05 23:34:56,973 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 76
[2024-11-05 23:34:56,973 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 23:34:56,973 INFO  L215           NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-05 23:34:56,984 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
[2024-11-05 23:34:57,174 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-05 23:34:57,175 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 23:34:57,175 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 23:34:57,175 INFO  L85        PathProgramCache]: Analyzing trace with hash -742470136, now seen corresponding path program 1 times
[2024-11-05 23:34:57,176 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-05 23:34:57,176 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1701931522]
[2024-11-05 23:34:57,176 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 23:34:57,176 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-05 23:34:57,177 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 23:34:57,180 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-05 23:34:57,181 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2024-11-05 23:34:57,290 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 23:34:57,295 INFO  L255         TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 13 conjuncts are in the unsatisfiable core
[2024-11-05 23:34:57,299 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 23:34:58,620 INFO  L134       CoverageAnalysis]: Checked inductivity of 220 backedges. 78 proven. 24 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked.
[2024-11-05 23:34:58,621 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 23:35:01,758 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-05 23:35:01,759 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1701931522]
[2024-11-05 23:35:01,759 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1701931522] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-05 23:35:01,759 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [479034170]
[2024-11-05 23:35:01,759 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 23:35:01,760 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-05 23:35:01,760 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-05 23:35:01,765 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)
[2024-11-05 23:35:01,767 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process
[2024-11-05 23:35:02,032 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 23:35:02,037 INFO  L255         TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-05 23:35:02,044 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 23:35:03,180 INFO  L134       CoverageAnalysis]: Checked inductivity of 220 backedges. 78 proven. 24 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked.
[2024-11-05 23:35:03,181 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 23:35:04,406 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleCvc4 [479034170] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-05 23:35:04,407 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-05 23:35:04,407 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 14
[2024-11-05 23:35:04,408 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574883537]
[2024-11-05 23:35:04,409 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-05 23:35:04,411 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2024-11-05 23:35:04,414 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-05 23:35:04,415 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2024-11-05 23:35:04,416 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=303, Unknown=0, NotChecked=0, Total=420
[2024-11-05 23:35:04,416 INFO  L87              Difference]: Start difference. First operand 39 states and 54 transitions. Second operand  has 15 states, 15 states have (on average 3.4) internal successors, (51), 14 states have internal predecessors, (51), 4 states have call successors, (22), 4 states have call predecessors, (22), 6 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22)
[2024-11-05 23:35:07,227 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 23:35:07,227 INFO  L93              Difference]: Finished difference Result 136 states and 182 transitions.
[2024-11-05 23:35:07,235 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2024-11-05 23:35:07,235 INFO  L78                 Accepts]: Start accepts. Automaton has  has 15 states, 15 states have (on average 3.4) internal successors, (51), 14 states have internal predecessors, (51), 4 states have call successors, (22), 4 states have call predecessors, (22), 6 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 75
[2024-11-05 23:35:07,236 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 23:35:07,237 INFO  L225             Difference]: With dead ends: 136
[2024-11-05 23:35:07,237 INFO  L226             Difference]: Without dead ends: 100
[2024-11-05 23:35:07,240 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 238 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=376, Invalid=884, Unknown=0, NotChecked=0, Total=1260
[2024-11-05 23:35:07,241 INFO  L432           NwaCegarLoop]: 31 mSDtfsCounter, 74 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2024-11-05 23:35:07,241 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 318 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2024-11-05 23:35:07,242 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 100 states.
[2024-11-05 23:35:07,272 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 74.
[2024-11-05 23:35:07,274 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 74 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 47 states have internal predecessors, (55), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22)
[2024-11-05 23:35:07,278 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 99 transitions.
[2024-11-05 23:35:07,279 INFO  L78                 Accepts]: Start accepts. Automaton has 74 states and 99 transitions. Word has length 75
[2024-11-05 23:35:07,279 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 23:35:07,279 INFO  L471      AbstractCegarLoop]: Abstraction has 74 states and 99 transitions.
[2024-11-05 23:35:07,280 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 15 states, 15 states have (on average 3.4) internal successors, (51), 14 states have internal predecessors, (51), 4 states have call successors, (22), 4 states have call predecessors, (22), 6 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22)
[2024-11-05 23:35:07,280 INFO  L276                IsEmpty]: Start isEmpty. Operand 74 states and 99 transitions.
[2024-11-05 23:35:07,287 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 76
[2024-11-05 23:35:07,287 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 23:35:07,288 INFO  L215           NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-05 23:35:07,297 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0
[2024-11-05 23:35:07,498 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2024-11-05 23:35:07,695 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
[2024-11-05 23:35:07,697 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 23:35:07,697 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 23:35:07,697 INFO  L85        PathProgramCache]: Analyzing trace with hash 1032537226, now seen corresponding path program 1 times
[2024-11-05 23:35:07,697 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-05 23:35:07,698 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1314920836]
[2024-11-05 23:35:07,698 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 23:35:07,698 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-05 23:35:07,698 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 23:35:07,700 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)
[2024-11-05 23:35:07,703 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
[2024-11-05 23:35:07,847 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 23:35:07,855 INFO  L255         TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 27 conjuncts are in the unsatisfiable core
[2024-11-05 23:35:07,859 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 23:35:17,681 INFO  L134       CoverageAnalysis]: Checked inductivity of 220 backedges. 130 proven. 18 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked.
[2024-11-05 23:35:17,681 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 23:35:53,861 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-05 23:35:53,862 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1314920836]
[2024-11-05 23:35:53,862 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1314920836] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-05 23:35:53,862 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [442158806]
[2024-11-05 23:35:53,862 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 23:35:53,862 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-05 23:35:53,862 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-05 23:35:53,864 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-05 23:35:53,865 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process
[2024-11-05 23:35:54,097 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 23:35:54,101 INFO  L255         TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 26 conjuncts are in the unsatisfiable core
[2024-11-05 23:35:54,105 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 23:36:10,069 INFO  L134       CoverageAnalysis]: Checked inductivity of 220 backedges. 102 proven. 21 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked.
[2024-11-05 23:36:10,069 INFO  L311         TraceCheckSpWp]: Computing backward predicates...