/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-25.i


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


This is Ultimate 0.2.5-dev-17387ad-m
[2024-11-05 23:33:38,678 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-05 23:33:38,734 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 23:33:38,740 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-05 23:33:38,741 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-05 23:33:38,761 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-05 23:33:38,762 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-05 23:33:38,763 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-05 23:33:38,763 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-05 23:33:38,764 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-05 23:33:38,765 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-05 23:33:38,765 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-05 23:33:38,765 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-05 23:33:38,765 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-05 23:33:38,766 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-05 23:33:38,766 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-05 23:33:38,766 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-05 23:33:38,766 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-05 23:33:38,766 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-05 23:33:38,767 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-05 23:33:38,767 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-05 23:33:38,767 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-05 23:33:38,767 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-05 23:33:38,767 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-05 23:33:38,768 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-05 23:33:38,768 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-05 23:33:38,768 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-05 23:33:38,768 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-05 23:33:38,768 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-05 23:33:38,768 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-05 23:33:38,769 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-05 23:33:38,769 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-05 23:33:38,769 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-05 23:33:38,769 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-05 23:33:38,769 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 23:33:38,769 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-05 23:33:38,769 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-05 23:33:38,770 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-05 23:33:38,770 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-05 23:33:38,770 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-05 23:33:38,771 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-05 23:33:38,771 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-05 23:33:38,772 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-05 23:33:38,772 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-05 23:33:38,772 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF
[2024-11-05 23:33:38,945 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-05 23:33:38,963 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-05 23:33:38,965 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-05 23:33:38,966 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-05 23:33:38,966 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-05 23:33:38,967 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-25.i
[2024-11-05 23:33:40,207 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-05 23:33:40,364 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-05 23:33:40,365 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-25.i
[2024-11-05 23:33:40,372 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dba6f7f82/a2cc224e30864589863c646af283a266/FLAG4c9c5575d
[2024-11-05 23:33:40,773 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dba6f7f82/a2cc224e30864589863c646af283a266
[2024-11-05 23:33:40,775 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-05 23:33:40,776 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-05 23:33:40,777 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-05 23:33:40,777 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-05 23:33:40,784 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-05 23:33:40,785 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:33:40" (1/1) ...
[2024-11-05 23:33:40,785 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b7559ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:33:40, skipping insertion in model container
[2024-11-05 23:33:40,785 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:33:40" (1/1) ...
[2024-11-05 23:33:40,810 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-05 23:33:40,933 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-25.i[915,928]
[2024-11-05 23:33:40,965 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 23:33:40,975 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-05 23:33:40,984 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-25.i[915,928]
[2024-11-05 23:33:41,002 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 23:33:41,017 INFO  L204         MainTranslator]: Completed translation
[2024-11-05 23:33:41,018 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:33:41 WrapperNode
[2024-11-05 23:33:41,018 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-05 23:33:41,019 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-05 23:33:41,019 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-05 23:33:41,021 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-05 23:33:41,031 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:33:41" (1/1) ...
[2024-11-05 23:33:41,038 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:33:41" (1/1) ...
[2024-11-05 23:33:41,062 INFO  L138                Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118
[2024-11-05 23:33:41,063 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-05 23:33:41,064 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-05 23:33:41,064 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-05 23:33:41,064 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-05 23:33:41,073 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:33:41" (1/1) ...
[2024-11-05 23:33:41,073 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:33:41" (1/1) ...
[2024-11-05 23:33:41,076 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:33:41" (1/1) ...
[2024-11-05 23:33:41,085 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 23:33:41,086 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:33:41" (1/1) ...
[2024-11-05 23:33:41,086 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:33:41" (1/1) ...
[2024-11-05 23:33:41,091 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:33:41" (1/1) ...
[2024-11-05 23:33:41,094 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:33:41" (1/1) ...
[2024-11-05 23:33:41,096 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:33:41" (1/1) ...
[2024-11-05 23:33:41,097 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:33:41" (1/1) ...
[2024-11-05 23:33:41,099 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-05 23:33:41,099 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-05 23:33:41,100 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-05 23:33:41,100 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-05 23:33:41,100 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:33:41" (1/1) ...
[2024-11-05 23:33:41,104 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 23:33:41,114 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-05 23:33:41,128 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 23:33:41,130 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 23:33:41,151 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-05 23:33:41,151 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-05 23:33:41,151 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-05 23:33:41,151 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-05 23:33:41,151 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-05 23:33:41,153 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-05 23:33:41,223 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-05 23:33:41,225 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-05 23:33:41,498 INFO  L?                        ?]: Removed 12 outVars from TransFormulas that were not future-live.
[2024-11-05 23:33:41,498 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-05 23:33:41,515 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-05 23:33:41,515 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-05 23:33:41,516 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:33:41 BoogieIcfgContainer
[2024-11-05 23:33:41,516 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-05 23:33:41,518 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-05 23:33:41,520 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-05 23:33:41,523 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-05 23:33:41,524 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 11:33:40" (1/3) ...
[2024-11-05 23:33:41,525 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c74b63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:33:41, skipping insertion in model container
[2024-11-05 23:33:41,525 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:33:41" (2/3) ...
[2024-11-05 23:33:41,525 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c74b63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:33:41, skipping insertion in model container
[2024-11-05 23:33:41,525 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:33:41" (3/3) ...
[2024-11-05 23:33:41,526 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-25.i
[2024-11-05 23:33:41,539 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-05 23:33:41,539 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-05 23:33:41,586 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-05 23:33:41,590 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;@5dbba22d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-05 23:33:41,590 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-05 23:33:41,593 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 58 states, 32 states have (on average 1.28125) internal successors, (41), 33 states have internal predecessors, (41), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23)
[2024-11-05 23:33:41,604 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 140
[2024-11-05 23:33:41,604 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 23:33:41,605 INFO  L215           NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:33:41,606 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 23:33:41,610 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 23:33:41,610 INFO  L85        PathProgramCache]: Analyzing trace with hash 541245253, now seen corresponding path program 1 times
[2024-11-05 23:33:41,619 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-05 23:33:41,619 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [369767707]
[2024-11-05 23:33:41,620 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 23:33:41,620 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 23:33:41,620 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 23:33:41,622 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 23:33:41,623 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 23:33:41,806 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 23:33:41,816 INFO  L255         TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-05 23:33:41,826 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 23:33:41,874 INFO  L134       CoverageAnalysis]: Checked inductivity of 1012 backedges. 512 proven. 0 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked.
[2024-11-05 23:33:41,874 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-05 23:33:41,875 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-05 23:33:41,875 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [369767707]
[2024-11-05 23:33:41,875 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [369767707] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-05 23:33:41,876 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-05 23:33:41,876 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-05 23:33:41,877 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257748405]
[2024-11-05 23:33:41,880 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-05 23:33:41,883 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-05 23:33:41,883 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-05 23:33:41,901 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-05 23:33:41,902 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-05 23:33:41,904 INFO  L87              Difference]: Start difference. First operand  has 58 states, 32 states have (on average 1.28125) internal successors, (41), 33 states have internal predecessors, (41), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand  has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23)
[2024-11-05 23:33:41,923 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 23:33:41,923 INFO  L93              Difference]: Finished difference Result 109 states and 191 transitions.
[2024-11-05 23:33:41,924 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-05 23:33:41,925 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 139
[2024-11-05 23:33:41,926 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 23:33:41,932 INFO  L225             Difference]: With dead ends: 109
[2024-11-05 23:33:41,933 INFO  L226             Difference]: Without dead ends: 54
[2024-11-05 23:33:41,935 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 138 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 23:33:41,938 INFO  L432           NwaCegarLoop]: 80 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, 80 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 23:33:41,939 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-05 23:33:41,951 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 54 states.
[2024-11-05 23:33:41,965 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54.
[2024-11-05 23:33:41,966 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23)
[2024-11-05 23:33:41,967 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 80 transitions.
[2024-11-05 23:33:41,968 INFO  L78                 Accepts]: Start accepts. Automaton has 54 states and 80 transitions. Word has length 139
[2024-11-05 23:33:41,968 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 23:33:41,969 INFO  L471      AbstractCegarLoop]: Abstraction has 54 states and 80 transitions.
[2024-11-05 23:33:41,969 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23)
[2024-11-05 23:33:41,969 INFO  L276                IsEmpty]: Start isEmpty. Operand 54 states and 80 transitions.
[2024-11-05 23:33:41,971 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 140
[2024-11-05 23:33:41,971 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 23:33:41,971 INFO  L215           NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:33:41,978 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2024-11-05 23:33:42,172 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 23:33:42,172 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 23:33:42,173 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 23:33:42,173 INFO  L85        PathProgramCache]: Analyzing trace with hash -2026429689, now seen corresponding path program 1 times
[2024-11-05 23:33:42,174 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-05 23:33:42,174 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1737373925]
[2024-11-05 23:33:42,174 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 23:33:42,174 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 23:33:42,174 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 23:33:42,175 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 23:33:42,177 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 23:33:42,310 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 23:33:42,315 INFO  L255         TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-05 23:33:42,320 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 23:33:42,575 INFO  L134       CoverageAnalysis]: Checked inductivity of 1012 backedges. 486 proven. 42 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked.
[2024-11-05 23:33:42,575 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 23:33:43,312 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-05 23:33:43,312 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1737373925]
[2024-11-05 23:33:43,312 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1737373925] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-05 23:33:43,312 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [378803445]
[2024-11-05 23:33:43,313 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 23:33:43,313 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-05 23:33:43,313 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-05 23:33:43,326 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 23:33:43,327 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 23:33:43,536 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 23:33:43,539 INFO  L255         TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-05 23:33:43,543 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 23:33:43,720 INFO  L134       CoverageAnalysis]: Checked inductivity of 1012 backedges. 486 proven. 42 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked.
[2024-11-05 23:33:43,720 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 23:33:44,983 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleCvc4 [378803445] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-05 23:33:44,984 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-05 23:33:44,984 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5
[2024-11-05 23:33:44,985 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809563202]
[2024-11-05 23:33:44,985 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-05 23:33:44,986 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-05 23:33:44,986 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-05 23:33:44,987 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-05 23:33:44,987 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2024-11-05 23:33:44,987 INFO  L87              Difference]: Start difference. First operand 54 states and 80 transitions. Second operand  has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23)
[2024-11-05 23:33:45,245 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 23:33:45,246 INFO  L93              Difference]: Finished difference Result 111 states and 162 transitions.
[2024-11-05 23:33:45,250 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-05 23:33:45,250 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 139
[2024-11-05 23:33:45,251 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 23:33:45,252 INFO  L225             Difference]: With dead ends: 111
[2024-11-05 23:33:45,252 INFO  L226             Difference]: Without dead ends: 60
[2024-11-05 23:33:45,253 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110
[2024-11-05 23:33:45,254 INFO  L432           NwaCegarLoop]: 50 mSDtfsCounter, 28 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-05 23:33:45,254 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 105 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-05 23:33:45,254 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 60 states.
[2024-11-05 23:33:45,261 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 58.
[2024-11-05 23:33:45,261 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 58 states, 32 states have (on average 1.125) internal successors, (36), 32 states have internal predecessors, (36), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23)
[2024-11-05 23:33:45,262 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 82 transitions.
[2024-11-05 23:33:45,263 INFO  L78                 Accepts]: Start accepts. Automaton has 58 states and 82 transitions. Word has length 139
[2024-11-05 23:33:45,263 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 23:33:45,263 INFO  L471      AbstractCegarLoop]: Abstraction has 58 states and 82 transitions.
[2024-11-05 23:33:45,263 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23)
[2024-11-05 23:33:45,264 INFO  L276                IsEmpty]: Start isEmpty. Operand 58 states and 82 transitions.
[2024-11-05 23:33:45,265 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 140
[2024-11-05 23:33:45,265 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 23:33:45,265 INFO  L215           NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:33:45,269 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0
[2024-11-05 23:33:45,474 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 23:33:45,668 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 23:33:45,669 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 23:33:45,670 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 23:33:45,670 INFO  L85        PathProgramCache]: Analyzing trace with hash -1969171387, now seen corresponding path program 1 times
[2024-11-05 23:33:45,670 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-05 23:33:45,671 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [53717923]
[2024-11-05 23:33:45,671 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 23:33:45,671 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 23:33:45,671 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 23:33:45,672 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 23:33:45,673 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 23:33:45,772 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 23:33:45,782 INFO  L255         TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 21 conjuncts are in the unsatisfiable core
[2024-11-05 23:33:45,788 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 23:34:09,529 INFO  L134       CoverageAnalysis]: Checked inductivity of 1012 backedges. 678 proven. 111 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked.
[2024-11-05 23:34:09,530 INFO  L311         TraceCheckSpWp]: Computing backward predicates...