/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'cvc5 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-43.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 04:40:14,022 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 04:40:14,093 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-03 04:40:14,098 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 04:40:14,101 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 04:40:14,135 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 04:40:14,137 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 04:40:14,138 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 04:40:14,139 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 04:40:14,140 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 04:40:14,141 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 04:40:14,141 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 04:40:14,142 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 04:40:14,145 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 04:40:14,146 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 04:40:14,146 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 04:40:14,146 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 04:40:14,147 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 04:40:14,147 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 04:40:14,147 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 04:40:14,147 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 04:40:14,148 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 04:40:14,148 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 04:40:14,148 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 04:40:14,148 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 04:40:14,149 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 04:40:14,149 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 04:40:14,149 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 04:40:14,149 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 04:40:14,150 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 04:40:14,150 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 04:40:14,150 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 04:40:14,150 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 04:40:14,151 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 04:40:14,151 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 04:40:14,151 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 04:40:14,151 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 04:40:14,152 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 04:40:14,152 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 04:40:14,152 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 04:40:14,152 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 04:40:14,153 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 04:40:14,153 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 04:40:14,153 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 04:40:14,154 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt
[2024-11-03 04:40:14,433 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 04:40:14,458 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 04:40:14,462 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 04:40:14,463 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 04:40:14,464 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 04:40:14,466 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-43.i
[2024-11-03 04:40:16,031 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 04:40:16,301 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 04:40:16,302 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-43.i
[2024-11-03 04:40:16,317 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1d35ac0e/44fbf0eaca074aa1b8d5f686420b8355/FLAGa40d68e76
[2024-11-03 04:40:16,625 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1d35ac0e/44fbf0eaca074aa1b8d5f686420b8355
[2024-11-03 04:40:16,629 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 04:40:16,631 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 04:40:16,634 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 04:40:16,634 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 04:40:16,641 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 04:40:16,642 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:40:16" (1/1) ...
[2024-11-03 04:40:16,643 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45b56259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:16, skipping insertion in model container
[2024-11-03 04:40:16,643 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:40:16" (1/1) ...
[2024-11-03 04:40:16,681 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 04:40:16,857 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_amount100_file-43.i[916,929]
[2024-11-03 04:40:16,991 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 04:40:17,017 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 04:40:17,032 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_amount100_file-43.i[916,929]
[2024-11-03 04:40:17,093 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 04:40:17,117 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 04:40:17,117 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:17 WrapperNode
[2024-11-03 04:40:17,117 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 04:40:17,119 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 04:40:17,119 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 04:40:17,119 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 04:40:17,129 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:17" (1/1) ...
[2024-11-03 04:40:17,144 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:17" (1/1) ...
[2024-11-03 04:40:17,182 INFO  L138                Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 205
[2024-11-03 04:40:17,183 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 04:40:17,183 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 04:40:17,183 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 04:40:17,184 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 04:40:17,201 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:17" (1/1) ...
[2024-11-03 04:40:17,203 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:17" (1/1) ...
[2024-11-03 04:40:17,212 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:17" (1/1) ...
[2024-11-03 04:40:17,234 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-03 04:40:17,234 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:17" (1/1) ...
[2024-11-03 04:40:17,234 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:17" (1/1) ...
[2024-11-03 04:40:17,251 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:17" (1/1) ...
[2024-11-03 04:40:17,260 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:17" (1/1) ...
[2024-11-03 04:40:17,264 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:17" (1/1) ...
[2024-11-03 04:40:17,271 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:17" (1/1) ...
[2024-11-03 04:40:17,280 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 04:40:17,281 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 04:40:17,281 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 04:40:17,281 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 04:40:17,282 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:17" (1/1) ...
[2024-11-03 04:40:17,289 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 04:40:17,301 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 04:40:17,322 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-03 04:40:17,326 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-03 04:40:17,359 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 04:40:17,359 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 04:40:17,360 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 04:40:17,360 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 04:40:17,361 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 04:40:17,362 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 04:40:17,499 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 04:40:17,501 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 04:40:30,098 INFO  L?                        ?]: Removed 22 outVars from TransFormulas that were not future-live.
[2024-11-03 04:40:30,099 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 04:40:30,116 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 04:40:30,117 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 04:40:30,117 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:40:30 BoogieIcfgContainer
[2024-11-03 04:40:30,118 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 04:40:30,120 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 04:40:30,120 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 04:40:30,124 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 04:40:30,124 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:40:16" (1/3) ...
[2024-11-03 04:40:30,125 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@706ca0fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:40:30, skipping insertion in model container
[2024-11-03 04:40:30,125 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:17" (2/3) ...
[2024-11-03 04:40:30,125 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@706ca0fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:40:30, skipping insertion in model container
[2024-11-03 04:40:30,125 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:40:30" (3/3) ...
[2024-11-03 04:40:30,130 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-43.i
[2024-11-03 04:40:30,149 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 04:40:30,150 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 04:40:30,230 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 04:40:30,239 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;@548c6696, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 04:40:30,240 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 04:40:30,248 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 86 states, 57 states have (on average 1.4035087719298245) internal successors, (80), 58 states have internal predecessors, (80), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26)
[2024-11-03 04:40:30,267 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 173
[2024-11-03 04:40:30,267 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:40:30,268 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 04:40:30,270 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:40:30,278 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:40:30,278 INFO  L85        PathProgramCache]: Analyzing trace with hash 834439615, now seen corresponding path program 1 times
[2024-11-03 04:40:30,285 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:40:30,286 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1486536209]
[2024-11-03 04:40:30,287 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:40:30,289 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:40:30,289 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:40:30,291 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 04:40:30,292 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process
[2024-11-03 04:40:30,506 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:40:30,509 INFO  L255         TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 04:40:30,530 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:40:30,600 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked.
[2024-11-03 04:40:30,601 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:40:31,412 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked.
[2024-11-03 04:40:31,413 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:40:31,414 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1486536209]
[2024-11-03 04:40:31,414 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1486536209] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-03 04:40:31,415 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-03 04:40:31,415 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-03 04:40:31,417 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571695108]
[2024-11-03 04:40:31,418 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-03 04:40:31,423 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 04:40:31,423 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:40:31,444 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 04:40:31,445 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 04:40:31,447 INFO  L87              Difference]: Start difference. First operand  has 86 states, 57 states have (on average 1.4035087719298245) internal successors, (80), 58 states have internal predecessors, (80), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand  has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26)
[2024-11-03 04:40:31,477 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:40:31,477 INFO  L93              Difference]: Finished difference Result 165 states and 284 transitions.
[2024-11-03 04:40:31,478 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 04:40:31,480 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 172
[2024-11-03 04:40:31,480 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:40:31,488 INFO  L225             Difference]: With dead ends: 165
[2024-11-03 04:40:31,488 INFO  L226             Difference]: Without dead ends: 82
[2024-11-03 04:40:31,492 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 04:40:31,496 INFO  L432           NwaCegarLoop]: 124 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, 124 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-03 04:40:31,497 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 04:40:31,511 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 82 states.
[2024-11-03 04:40:31,536 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82.
[2024-11-03 04:40:31,537 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 82 states, 54 states have (on average 1.3333333333333333) internal successors, (72), 54 states have internal predecessors, (72), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26)
[2024-11-03 04:40:31,540 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 124 transitions.
[2024-11-03 04:40:31,542 INFO  L78                 Accepts]: Start accepts. Automaton has 82 states and 124 transitions. Word has length 172
[2024-11-03 04:40:31,542 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:40:31,543 INFO  L471      AbstractCegarLoop]: Abstraction has 82 states and 124 transitions.
[2024-11-03 04:40:31,543 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26)
[2024-11-03 04:40:31,543 INFO  L276                IsEmpty]: Start isEmpty. Operand 82 states and 124 transitions.
[2024-11-03 04:40:31,547 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 173
[2024-11-03 04:40:31,547 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:40:31,547 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 04:40:31,551 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Ended with exit code 0
[2024-11-03 04:40:31,748 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt
[2024-11-03 04:40:31,749 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:40:31,750 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:40:31,750 INFO  L85        PathProgramCache]: Analyzing trace with hash 287278089, now seen corresponding path program 1 times
[2024-11-03 04:40:31,750 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:40:31,750 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1302492524]
[2024-11-03 04:40:31,750 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:40:31,751 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:40:31,751 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:40:31,752 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 04:40:31,753 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process
[2024-11-03 04:40:31,945 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:40:31,947 INFO  L255         TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 04:40:31,955 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:40:34,196 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked.
[2024-11-03 04:40:34,196 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:40:35,693 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked.
[2024-11-03 04:40:35,694 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:40:35,694 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1302492524]
[2024-11-03 04:40:35,694 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1302492524] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 04:40:35,694 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 04:40:35,695 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3
[2024-11-03 04:40:35,695 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339474695]
[2024-11-03 04:40:35,695 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 04:40:35,697 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 04:40:35,698 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:40:35,699 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 04:40:35,699 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 04:40:35,702 INFO  L87              Difference]: Start difference. First operand 82 states and 124 transitions. Second operand  has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52)
[2024-11-03 04:40:39,938 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:40:40,004 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:40:40,004 INFO  L93              Difference]: Finished difference Result 160 states and 243 transitions.
[2024-11-03 04:40:40,005 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 04:40:40,005 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) Word has length 172
[2024-11-03 04:40:40,006 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:40:40,008 INFO  L225             Difference]: With dead ends: 160
[2024-11-03 04:40:40,008 INFO  L226             Difference]: Without dead ends: 81
[2024-11-03 04:40:40,010 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 04:40:40,011 INFO  L432           NwaCegarLoop]: 113 mSDtfsCounter, 37 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time
[2024-11-03 04:40:40,011 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 113 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time]
[2024-11-03 04:40:40,013 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 81 states.
[2024-11-03 04:40:40,025 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81.
[2024-11-03 04:40:40,026 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 81 states, 53 states have (on average 1.2452830188679245) internal successors, (66), 53 states have internal predecessors, (66), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26)
[2024-11-03 04:40:40,031 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 118 transitions.
[2024-11-03 04:40:40,032 INFO  L78                 Accepts]: Start accepts. Automaton has 81 states and 118 transitions. Word has length 172
[2024-11-03 04:40:40,037 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:40:40,037 INFO  L471      AbstractCegarLoop]: Abstraction has 81 states and 118 transitions.
[2024-11-03 04:40:40,038 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52)
[2024-11-03 04:40:40,038 INFO  L276                IsEmpty]: Start isEmpty. Operand 81 states and 118 transitions.
[2024-11-03 04:40:40,042 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 173
[2024-11-03 04:40:40,042 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:40:40,043 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 04:40:40,054 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0
[2024-11-03 04:40:40,249 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt
[2024-11-03 04:40:40,250 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:40:40,250 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:40:40,251 INFO  L85        PathProgramCache]: Analyzing trace with hash -733790265, now seen corresponding path program 1 times
[2024-11-03 04:40:40,251 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:40:40,251 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1565281492]
[2024-11-03 04:40:40,251 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:40:40,251 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:40:40,252 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:40:40,253 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 04:40:40,254 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process
[2024-11-03 04:40:40,388 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:40:40,391 INFO  L255         TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 04:40:40,396 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:40:40,466 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked.
[2024-11-03 04:40:40,467 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:40:41,196 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked.
[2024-11-03 04:40:41,196 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:40:41,196 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1565281492]
[2024-11-03 04:40:41,197 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1565281492] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 04:40:41,197 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 04:40:41,197 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 04:40:41,197 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266983262]
[2024-11-03 04:40:41,197 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 04:40:41,198 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 04:40:41,198 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:40:41,199 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 04:40:41,199 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 04:40:41,199 INFO  L87              Difference]: Start difference. First operand 81 states and 118 transitions. Second operand  has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-03 04:40:45,538 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:40:49,544 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:40:49,742 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:40:49,743 INFO  L93              Difference]: Finished difference Result 237 states and 348 transitions.
[2024-11-03 04:40:49,747 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 04:40:49,747 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 172
[2024-11-03 04:40:49,748 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:40:49,752 INFO  L225             Difference]: With dead ends: 237
[2024-11-03 04:40:49,752 INFO  L226             Difference]: Without dead ends: 159
[2024-11-03 04:40:49,753 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 04:40:49,754 INFO  L432           NwaCegarLoop]: 226 mSDtfsCounter, 110 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time
[2024-11-03 04:40:49,755 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 336 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time]
[2024-11-03 04:40:49,756 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 159 states.
[2024-11-03 04:40:49,781 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 83.
[2024-11-03 04:40:49,782 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 83 states, 55 states have (on average 1.2363636363636363) internal successors, (68), 55 states have internal predecessors, (68), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26)
[2024-11-03 04:40:49,783 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 120 transitions.
[2024-11-03 04:40:49,784 INFO  L78                 Accepts]: Start accepts. Automaton has 83 states and 120 transitions. Word has length 172
[2024-11-03 04:40:49,784 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:40:49,785 INFO  L471      AbstractCegarLoop]: Abstraction has 83 states and 120 transitions.
[2024-11-03 04:40:49,785 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-03 04:40:49,785 INFO  L276                IsEmpty]: Start isEmpty. Operand 83 states and 120 transitions.
[2024-11-03 04:40:49,790 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 174
[2024-11-03 04:40:49,791 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:40:49,791 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 04:40:49,794 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Ended with exit code 0
[2024-11-03 04:40:49,991 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt
[2024-11-03 04:40:49,992 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:40:49,993 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:40:49,993 INFO  L85        PathProgramCache]: Analyzing trace with hash 540495729, now seen corresponding path program 1 times
[2024-11-03 04:40:49,993 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:40:49,993 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [120558259]
[2024-11-03 04:40:49,993 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:40:49,993 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:40:49,994 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:40:49,995 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 04:40:49,996 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process
[2024-11-03 04:40:50,114 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:40:50,123 INFO  L255         TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 95 conjuncts are in the unsatisfiable core
[2024-11-03 04:40:50,139 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:40:54,527 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 724 trivial. 0 not checked.
[2024-11-03 04:40:54,528 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:41:00,032 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked.
[2024-11-03 04:41:00,033 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:41:00,033 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [120558259]
[2024-11-03 04:41:00,033 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [120558259] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-03 04:41:00,033 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-03 04:41:00,033 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7
[2024-11-03 04:41:00,033 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097310809]
[2024-11-03 04:41:00,034 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-03 04:41:00,034 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-03 04:41:00,034 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:41:00,035 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-03 04:41:00,035 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-11-03 04:41:00,035 INFO  L87              Difference]: Start difference. First operand 83 states and 120 transitions. Second operand  has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-03 04:41:02,511 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:41:06,828 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:41:10,831 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:41:14,835 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:41:19,052 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:41:23,056 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:41:27,060 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:41:31,064 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:41:31,065 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:41:31,065 INFO  L93              Difference]: Finished difference Result 282 states and 405 transitions.
[2024-11-03 04:41:31,122 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-03 04:41:31,122 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 173
[2024-11-03 04:41:31,123 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:41:31,125 INFO  L225             Difference]: With dead ends: 282
[2024-11-03 04:41:31,125 INFO  L226             Difference]: Without dead ends: 202
[2024-11-03 04:41:31,126 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 334 SyntacticMatches, 6 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2024-11-03 04:41:31,127 INFO  L432           NwaCegarLoop]: 116 mSDtfsCounter, 153 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 82 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.9s IncrementalHoareTripleChecker+Time
[2024-11-03 04:41:31,127 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 349 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 9 Invalid, 7 Unknown, 0 Unchecked, 30.9s Time]
[2024-11-03 04:41:31,130 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 202 states.
[2024-11-03 04:41:31,159 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 142.
[2024-11-03 04:41:31,160 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 142 states, 87 states have (on average 1.1954022988505748) internal successors, (104), 87 states have internal predecessors, (104), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52)
[2024-11-03 04:41:31,161 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 208 transitions.
[2024-11-03 04:41:31,162 INFO  L78                 Accepts]: Start accepts. Automaton has 142 states and 208 transitions. Word has length 173
[2024-11-03 04:41:31,162 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:41:31,163 INFO  L471      AbstractCegarLoop]: Abstraction has 142 states and 208 transitions.
[2024-11-03 04:41:31,163 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-03 04:41:31,163 INFO  L276                IsEmpty]: Start isEmpty. Operand 142 states and 208 transitions.
[2024-11-03 04:41:31,165 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 175
[2024-11-03 04:41:31,165 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:41:31,165 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 04:41:31,168 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (5)] Ended with exit code 0
[2024-11-03 04:41:31,367 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt
[2024-11-03 04:41:31,368 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:41:31,368 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:41:31,368 INFO  L85        PathProgramCache]: Analyzing trace with hash 225731669, now seen corresponding path program 1 times
[2024-11-03 04:41:31,369 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:41:31,369 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [735040718]
[2024-11-03 04:41:31,369 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:41:31,369 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:41:31,369 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:41:31,370 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 04:41:31,371 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process
[2024-11-03 04:41:31,747 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:41:31,767 INFO  L255         TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 119 conjuncts are in the unsatisfiable core
[2024-11-03 04:41:31,786 INFO  L278         TraceCheckSpWp]: Computing forward predicates...