/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-58.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-24 10:56:59,819 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-24 10:56:59,870 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2023-12-24 10:56:59,873 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-24 10:56:59,873 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-24 10:56:59,892 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-24 10:56:59,892 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-24 10:56:59,893 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-24 10:56:59,893 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-24 10:56:59,893 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-24 10:56:59,894 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-24 10:56:59,894 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-24 10:56:59,894 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-24 10:56:59,894 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-24 10:56:59,895 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-24 10:56:59,895 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-24 10:56:59,895 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-24 10:56:59,895 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-24 10:56:59,896 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-24 10:56:59,896 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-24 10:56:59,896 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-24 10:56:59,897 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-24 10:56:59,897 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-24 10:56:59,897 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-24 10:56:59,897 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-24 10:56:59,898 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-24 10:56:59,898 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-24 10:56:59,898 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-24 10:56:59,898 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-24 10:56:59,898 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-24 10:56:59,899 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-24 10:56:59,899 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-24 10:56:59,899 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-24 10:56:59,899 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-24 10:56:59,900 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-24 10:56:59,900 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-24 10:56:59,900 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-24 10:56:59,901 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-24 10:56:59,901 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-24 10:56:59,901 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-24 10:56:59,901 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-24 10:56:59,902 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-24 10:56:59,902 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-24 10:56:59,902 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-24 10:56:59,902 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-24 10:56:59,902 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-24 10:56:59,903 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-24 10:57:00,080 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-24 10:57:00,097 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-24 10:57:00,099 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-24 10:57:00,100 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-24 10:57:00,101 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-24 10:57:00,103 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-58.i
[2023-12-24 10:57:01,250 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-24 10:57:01,430 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-24 10:57:01,431 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-58.i
[2023-12-24 10:57:01,438 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/185f7368e/83e2e1b5d3d14e80a306c337639ad1b3/FLAG96cb0e25e
[2023-12-24 10:57:01,448 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/185f7368e/83e2e1b5d3d14e80a306c337639ad1b3
[2023-12-24 10:57:01,450 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-24 10:57:01,451 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-24 10:57:01,452 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-24 10:57:01,453 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-24 10:57:01,456 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-24 10:57:01,456 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 10:57:01" (1/1) ...
[2023-12-24 10:57:01,457 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bb05696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:57:01, skipping insertion in model container
[2023-12-24 10:57:01,458 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 10:57:01" (1/1) ...
[2023-12-24 10:57:01,490 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-24 10:57:01,611 WARN  L239   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_amount50_file-58.i[915,928]
[2023-12-24 10:57:01,652 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-24 10:57:01,669 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-24 10:57:01,680 WARN  L239   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_amount50_file-58.i[915,928]
[2023-12-24 10:57:01,699 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-24 10:57:01,719 INFO  L206         MainTranslator]: Completed translation
[2023-12-24 10:57:01,720 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:57:01 WrapperNode
[2023-12-24 10:57:01,720 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-24 10:57:01,720 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-24 10:57:01,721 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-24 10:57:01,721 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-24 10:57:01,728 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:57:01" (1/1) ...
[2023-12-24 10:57:01,735 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:57:01" (1/1) ...
[2023-12-24 10:57:01,751 INFO  L138                Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 147
[2023-12-24 10:57:01,751 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-24 10:57:01,752 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-24 10:57:01,752 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-24 10:57:01,752 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-24 10:57:01,761 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:57:01" (1/1) ...
[2023-12-24 10:57:01,761 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:57:01" (1/1) ...
[2023-12-24 10:57:01,764 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:57:01" (1/1) ...
[2023-12-24 10:57:01,774 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].
[2023-12-24 10:57:01,774 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:57:01" (1/1) ...
[2023-12-24 10:57:01,774 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:57:01" (1/1) ...
[2023-12-24 10:57:01,792 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:57:01" (1/1) ...
[2023-12-24 10:57:01,795 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:57:01" (1/1) ...
[2023-12-24 10:57:01,796 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:57:01" (1/1) ...
[2023-12-24 10:57:01,797 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:57:01" (1/1) ...
[2023-12-24 10:57:01,799 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-24 10:57:01,800 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-24 10:57:01,800 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-24 10:57:01,800 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-24 10:57:01,801 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:57:01" (1/1) ...
[2023-12-24 10:57:01,804 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-24 10:57:01,812 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-24 10:57:01,826 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)
[2023-12-24 10:57:01,838 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
[2023-12-24 10:57:01,857 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-24 10:57:01,858 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-24 10:57:01,858 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-24 10:57:01,859 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-24 10:57:01,860 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-24 10:57:01,860 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-24 10:57:01,954 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-24 10:57:01,957 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-24 10:57:02,271 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-24 10:57:02,299 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-24 10:57:02,300 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-24 10:57:02,301 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 10:57:02 BoogieIcfgContainer
[2023-12-24 10:57:02,301 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-24 10:57:02,330 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-24 10:57:02,330 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-24 10:57:02,333 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-24 10:57:02,333 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.12 10:57:01" (1/3) ...
[2023-12-24 10:57:02,334 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fcf7d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 10:57:02, skipping insertion in model container
[2023-12-24 10:57:02,334 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 10:57:01" (2/3) ...
[2023-12-24 10:57:02,334 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fcf7d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 10:57:02, skipping insertion in model container
[2023-12-24 10:57:02,334 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 10:57:02" (3/3) ...
[2023-12-24 10:57:02,335 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-58.i
[2023-12-24 10:57:02,348 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-24 10:57:02,349 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-24 10:57:02,389 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-24 10:57:02,394 INFO  L357      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, mHoare=true, 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;@26690935, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-24 10:57:02,404 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-24 10:57:02,408 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 64 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 38 states have internal predecessors, (53), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24)
[2023-12-24 10:57:02,420 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 148
[2023-12-24 10:57:02,420 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-24 10:57:02,420 INFO  L195           NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-24 10:57:02,421 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-24 10:57:02,426 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-24 10:57:02,426 INFO  L85        PathProgramCache]: Analyzing trace with hash -469417080, now seen corresponding path program 1 times
[2023-12-24 10:57:02,436 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-24 10:57:02,436 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1355510986]
[2023-12-24 10:57:02,436 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-24 10:57:02,437 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
[2023-12-24 10:57:02,437 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-24 10:57:02,458 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)
[2023-12-24 10:57:02,467 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
[2023-12-24 10:57:02,659 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-24 10:57:02,667 INFO  L262         TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-24 10:57:02,676 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-24 10:57:02,732 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 350 proven. 0 refuted. 0 times theorem prover too weak. 754 trivial. 0 not checked.
[2023-12-24 10:57:02,732 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-24 10:57:02,733 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-24 10:57:02,733 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1355510986]
[2023-12-24 10:57:02,734 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1355510986] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-24 10:57:02,734 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-24 10:57:02,734 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-24 10:57:02,735 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447351797]
[2023-12-24 10:57:02,736 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-24 10:57:02,740 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-24 10:57:02,740 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-24 10:57:02,769 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-24 10:57:02,770 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-24 10:57:02,772 INFO  L87              Difference]: Start difference. First operand  has 64 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 38 states have internal predecessors, (53), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand  has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24)
[2023-12-24 10:57:02,818 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-24 10:57:02,828 INFO  L93              Difference]: Finished difference Result 125 states and 224 transitions.
[2023-12-24 10:57:02,834 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-24 10:57:02,836 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 147
[2023-12-24 10:57:02,836 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-24 10:57:02,841 INFO  L225             Difference]: With dead ends: 125
[2023-12-24 10:57:02,842 INFO  L226             Difference]: Without dead ends: 62
[2023-12-24 10:57:02,844 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-24 10:57:02,846 INFO  L413           NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-24 10:57:02,847 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-24 10:57:02,858 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 62 states.
[2023-12-24 10:57:02,873 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62.
[2023-12-24 10:57:02,874 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 62 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 36 states have internal predecessors, (48), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24)
[2023-12-24 10:57:02,876 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 96 transitions.
[2023-12-24 10:57:02,877 INFO  L78                 Accepts]: Start accepts. Automaton has 62 states and 96 transitions. Word has length 147
[2023-12-24 10:57:02,877 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-24 10:57:02,877 INFO  L495      AbstractCegarLoop]: Abstraction has 62 states and 96 transitions.
[2023-12-24 10:57:02,877 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24)
[2023-12-24 10:57:02,877 INFO  L276                IsEmpty]: Start isEmpty. Operand 62 states and 96 transitions.
[2023-12-24 10:57:02,879 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 148
[2023-12-24 10:57:02,879 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-24 10:57:02,880 INFO  L195           NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-24 10:57:02,886 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
[2023-12-24 10:57:03,085 WARN  L477      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
[2023-12-24 10:57:03,086 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-24 10:57:03,086 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-24 10:57:03,086 INFO  L85        PathProgramCache]: Analyzing trace with hash 1677614412, now seen corresponding path program 1 times
[2023-12-24 10:57:03,087 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-24 10:57:03,087 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [213408118]
[2023-12-24 10:57:03,087 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-24 10:57:03,087 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
[2023-12-24 10:57:03,087 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-24 10:57:03,089 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)
[2023-12-24 10:57:03,090 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
[2023-12-24 10:57:03,254 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-24 10:57:03,260 INFO  L262         TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-12-24 10:57:03,265 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-24 10:57:03,358 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 233 proven. 6 refuted. 0 times theorem prover too weak. 865 trivial. 0 not checked.
[2023-12-24 10:57:03,358 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-24 10:57:03,449 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-24 10:57:03,450 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [213408118]
[2023-12-24 10:57:03,450 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [213408118] provided 0 perfect and 1 imperfect interpolant sequences
[2023-12-24 10:57:03,450 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2065481876]
[2023-12-24 10:57:03,450 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-24 10:57:03,450 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2023-12-24 10:57:03,451 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2023-12-24 10:57:03,486 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)
[2023-12-24 10:57:03,497 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process
[2023-12-24 10:57:05,604 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-24 10:57:05,612 INFO  L262         TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-12-24 10:57:05,616 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-24 10:57:05,690 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 233 proven. 6 refuted. 0 times theorem prover too weak. 865 trivial. 0 not checked.
[2023-12-24 10:57:05,690 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-24 10:57:05,848 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2065481876] provided 0 perfect and 1 imperfect interpolant sequences
[2023-12-24 10:57:05,848 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-24 10:57:05,848 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5
[2023-12-24 10:57:05,849 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617478935]
[2023-12-24 10:57:05,849 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-24 10:57:05,850 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-24 10:57:05,850 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-24 10:57:05,851 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-24 10:57:05,851 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2023-12-24 10:57:05,851 INFO  L87              Difference]: Start difference. First operand 62 states and 96 transitions. Second operand  has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24)
[2023-12-24 10:57:06,119 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-24 10:57:06,119 INFO  L93              Difference]: Finished difference Result 129 states and 196 transitions.
[2023-12-24 10:57:06,125 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2023-12-24 10:57:06,125 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 147
[2023-12-24 10:57:06,126 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-24 10:57:06,127 INFO  L225             Difference]: With dead ends: 129
[2023-12-24 10:57:06,127 INFO  L226             Difference]: Without dead ends: 68
[2023-12-24 10:57:06,128 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 316 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110
[2023-12-24 10:57:06,129 INFO  L413           NwaCegarLoop]: 63 mSDtfsCounter, 59 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-12-24 10:57:06,130 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 141 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-12-24 10:57:06,130 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 68 states.
[2023-12-24 10:57:06,140 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66.
[2023-12-24 10:57:06,140 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 66 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 39 states have internal predecessors, (49), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24)
[2023-12-24 10:57:06,141 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 97 transitions.
[2023-12-24 10:57:06,142 INFO  L78                 Accepts]: Start accepts. Automaton has 66 states and 97 transitions. Word has length 147
[2023-12-24 10:57:06,142 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-24 10:57:06,142 INFO  L495      AbstractCegarLoop]: Abstraction has 66 states and 97 transitions.
[2023-12-24 10:57:06,143 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24)
[2023-12-24 10:57:06,143 INFO  L276                IsEmpty]: Start isEmpty. Operand 66 states and 97 transitions.
[2023-12-24 10:57:06,144 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 150
[2023-12-24 10:57:06,145 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-24 10:57:06,145 INFO  L195           NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-24 10:57:06,162 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0
[2023-12-24 10:57:06,358 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2023-12-24 10:57:06,556 WARN  L477      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
[2023-12-24 10:57:06,557 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-24 10:57:06,557 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-24 10:57:06,557 INFO  L85        PathProgramCache]: Analyzing trace with hash -460848585, now seen corresponding path program 1 times
[2023-12-24 10:57:06,558 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-24 10:57:06,558 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [401409787]
[2023-12-24 10:57:06,558 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-24 10:57:06,558 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
[2023-12-24 10:57:06,558 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-24 10:57:06,564 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)
[2023-12-24 10:57:06,585 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
[2023-12-24 10:57:06,974 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-24 10:57:06,981 INFO  L262         TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 41 conjunts are in the unsatisfiable core
[2023-12-24 10:57:06,987 INFO  L285         TraceCheckSpWp]: Computing forward predicates...