/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_amount250_file-89.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 05:03:22,892 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 05:03:22,944 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 05:03:22,950 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 05:03:22,950 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 05:03:22,972 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 05:03:22,972 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 05:03:22,972 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 05:03:22,973 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 05:03:22,973 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 05:03:22,973 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 05:03:22,973 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 05:03:22,974 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 05:03:22,974 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 05:03:22,974 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 05:03:22,975 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 05:03:22,977 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 05:03:22,978 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 05:03:22,978 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 05:03:22,980 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 05:03:22,981 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 05:03:22,981 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 05:03:22,981 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 05:03:22,981 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 05:03:22,982 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 05:03:22,982 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 05:03:22,982 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 05:03:22,982 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 05:03:22,982 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 05:03:22,982 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 05:03:22,982 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 05:03:22,983 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 05:03:22,983 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 05:03:22,983 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 05:03:22,983 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 05:03:22,983 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 05:03:22,983 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 05:03:22,984 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 05:03:22,984 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 05:03:22,984 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 05:03:22,985 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 05:03:22,986 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 05:03:22,986 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 05:03:22,986 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 05:03:22,987 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt
[2024-11-03 05:03:23,190 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 05:03:23,213 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 05:03:23,215 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 05:03:23,216 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 05:03:23,217 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 05:03:23,218 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-89.i
[2024-11-03 05:03:24,514 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 05:03:24,699 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 05:03:24,700 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-89.i
[2024-11-03 05:03:24,709 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57334929b/4b7652f30c85470cb979609a01ece873/FLAG59197d813
[2024-11-03 05:03:25,069 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57334929b/4b7652f30c85470cb979609a01ece873
[2024-11-03 05:03:25,071 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 05:03:25,072 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 05:03:25,073 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 05:03:25,073 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 05:03:25,077 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 05:03:25,077 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:03:25" (1/1) ...
[2024-11-03 05:03:25,078 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fc3c6d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:03:25, skipping insertion in model container
[2024-11-03 05:03:25,078 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:03:25" (1/1) ...
[2024-11-03 05:03:25,112 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 05:03:25,254 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_amount250_file-89.i[916,929]
[2024-11-03 05:03:25,366 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 05:03:25,378 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 05:03:25,388 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_amount250_file-89.i[916,929]
[2024-11-03 05:03:25,440 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 05:03:25,465 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 05:03:25,466 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:03:25 WrapperNode
[2024-11-03 05:03:25,466 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 05:03:25,467 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 05:03:25,467 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 05:03:25,467 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 05:03:25,472 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:03:25" (1/1) ...
[2024-11-03 05:03:25,493 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:03:25" (1/1) ...
[2024-11-03 05:03:25,525 INFO  L138                Inliner]: procedures = 27, calls = 56, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 339
[2024-11-03 05:03:25,526 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 05:03:25,526 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 05:03:25,526 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 05:03:25,526 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 05:03:25,534 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:03:25" (1/1) ...
[2024-11-03 05:03:25,535 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:03:25" (1/1) ...
[2024-11-03 05:03:25,543 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:03:25" (1/1) ...
[2024-11-03 05:03:25,561 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 05:03:25,561 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:03:25" (1/1) ...
[2024-11-03 05:03:25,562 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:03:25" (1/1) ...
[2024-11-03 05:03:25,580 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:03:25" (1/1) ...
[2024-11-03 05:03:25,590 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:03:25" (1/1) ...
[2024-11-03 05:03:25,593 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:03:25" (1/1) ...
[2024-11-03 05:03:25,596 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:03:25" (1/1) ...
[2024-11-03 05:03:25,600 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 05:03:25,601 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 05:03:25,601 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 05:03:25,602 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 05:03:25,602 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:03:25" (1/1) ...
[2024-11-03 05:03:25,606 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 05:03:25,619 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 05:03:25,634 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 05:03:25,636 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 05:03:25,656 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 05:03:25,656 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 05:03:25,656 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 05:03:25,656 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 05:03:25,657 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 05:03:25,657 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 05:03:25,768 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 05:03:25,770 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 05:03:32,344 INFO  L?                        ?]: Removed 44 outVars from TransFormulas that were not future-live.
[2024-11-03 05:03:32,344 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 05:03:32,355 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 05:03:32,356 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 05:03:32,356 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:03:32 BoogieIcfgContainer
[2024-11-03 05:03:32,356 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 05:03:32,358 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 05:03:32,358 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 05:03:32,361 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 05:03:32,361 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:03:25" (1/3) ...
[2024-11-03 05:03:32,361 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b4d1654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:03:32, skipping insertion in model container
[2024-11-03 05:03:32,361 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:03:25" (2/3) ...
[2024-11-03 05:03:32,362 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b4d1654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:03:32, skipping insertion in model container
[2024-11-03 05:03:32,362 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:03:32" (3/3) ...
[2024-11-03 05:03:32,365 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-89.i
[2024-11-03 05:03:32,377 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 05:03:32,377 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 05:03:32,434 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 05:03:32,440 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;@290ed5a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 05:03:32,441 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 05:03:32,447 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 147 states, 101 states have (on average 1.5346534653465347) internal successors, (155), 102 states have internal predecessors, (155), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43)
[2024-11-03 05:03:32,467 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 284
[2024-11-03 05:03:32,467 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:03:32,468 INFO  L215           NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:03:32,469 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:03:32,474 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:03:32,474 INFO  L85        PathProgramCache]: Analyzing trace with hash -344873712, now seen corresponding path program 1 times
[2024-11-03 05:03:32,481 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:03:32,481 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1427000146]
[2024-11-03 05:03:32,482 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:03:32,484 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:03:32,484 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:03:32,487 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 05:03:32,489 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 05:03:32,711 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:03:32,715 INFO  L255         TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 05:03:32,728 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 05:03:32,790 INFO  L134       CoverageAnalysis]: Checked inductivity of 3612 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 3528 trivial. 0 not checked.
[2024-11-03 05:03:32,790 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 05:03:33,990 INFO  L134       CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 3528 trivial. 0 not checked.
[2024-11-03 05:03:33,991 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 05:03:33,991 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1427000146]
[2024-11-03 05:03:33,992 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1427000146] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-03 05:03:33,992 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-03 05:03:33,992 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-03 05:03:33,994 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129215311]
[2024-11-03 05:03:33,994 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-03 05:03:33,998 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 05:03:33,998 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 05:03:34,015 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 05:03:34,015 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 05:03:34,017 INFO  L87              Difference]: Start difference. First operand  has 147 states, 101 states have (on average 1.5346534653465347) internal successors, (155), 102 states have internal predecessors, (155), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) Second operand  has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43)
[2024-11-03 05:03:34,045 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 05:03:34,046 INFO  L93              Difference]: Finished difference Result 287 states and 519 transitions.
[2024-11-03 05:03:34,049 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 05:03:34,051 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) Word has length 283
[2024-11-03 05:03:34,051 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 05:03:34,058 INFO  L225             Difference]: With dead ends: 287
[2024-11-03 05:03:34,058 INFO  L226             Difference]: Without dead ends: 143
[2024-11-03 05:03:34,062 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 564 GetRequests, 564 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 05:03:34,064 INFO  L432           NwaCegarLoop]: 234 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, 234 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 05:03:34,065 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 05:03:34,078 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 143 states.
[2024-11-03 05:03:34,102 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143.
[2024-11-03 05:03:34,103 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 143 states, 98 states have (on average 1.510204081632653) internal successors, (148), 98 states have internal predecessors, (148), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43)
[2024-11-03 05:03:34,106 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 234 transitions.
[2024-11-03 05:03:34,107 INFO  L78                 Accepts]: Start accepts. Automaton has 143 states and 234 transitions. Word has length 283
[2024-11-03 05:03:34,108 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 05:03:34,108 INFO  L471      AbstractCegarLoop]: Abstraction has 143 states and 234 transitions.
[2024-11-03 05:03:34,108 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43)
[2024-11-03 05:03:34,109 INFO  L276                IsEmpty]: Start isEmpty. Operand 143 states and 234 transitions.
[2024-11-03 05:03:34,113 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 284
[2024-11-03 05:03:34,113 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:03:34,114 INFO  L215           NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:03:34,117 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 05:03:34,314 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 05:03:34,315 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:03:34,316 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:03:34,316 INFO  L85        PathProgramCache]: Analyzing trace with hash -1001498174, now seen corresponding path program 1 times
[2024-11-03 05:03:34,316 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:03:34,316 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [706046992]
[2024-11-03 05:03:34,316 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:03:34,317 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:03:34,317 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:03:34,318 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 05:03:34,319 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 05:03:34,507 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:03:34,510 INFO  L255         TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 05:03:34,526 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 05:03:35,002 INFO  L134       CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked.
[2024-11-03 05:03:35,002 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 05:03:36,727 INFO  L134       CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked.
[2024-11-03 05:03:36,727 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 05:03:36,727 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [706046992]
[2024-11-03 05:03:36,727 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [706046992] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 05:03:36,728 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 05:03:36,728 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 05:03:36,728 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60173307]
[2024-11-03 05:03:36,728 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 05:03:36,731 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 05:03:36,731 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 05:03:36,732 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 05:03:36,732 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 05:03:36,732 INFO  L87              Difference]: Start difference. First operand 143 states and 234 transitions. Second operand  has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43)
[2024-11-03 05:03:41,249 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 05:03:45,259 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 05:03:45,264 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 05:03:45,264 INFO  L93              Difference]: Finished difference Result 352 states and 577 transitions.
[2024-11-03 05:03:45,327 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 05:03:45,327 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 283
[2024-11-03 05:03:45,329 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 05:03:45,331 INFO  L225             Difference]: With dead ends: 352
[2024-11-03 05:03:45,331 INFO  L226             Difference]: Without dead ends: 212
[2024-11-03 05:03:45,332 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 564 GetRequests, 563 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 05:03:45,333 INFO  L432           NwaCegarLoop]: 226 mSDtfsCounter, 90 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time
[2024-11-03 05:03:45,333 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 432 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 21 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time]
[2024-11-03 05:03:45,334 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 212 states.
[2024-11-03 05:03:45,352 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 209.
[2024-11-03 05:03:45,353 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 209 states, 159 states have (on average 1.5534591194968554) internal successors, (247), 160 states have internal predecessors, (247), 47 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47)
[2024-11-03 05:03:45,354 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 341 transitions.
[2024-11-03 05:03:45,355 INFO  L78                 Accepts]: Start accepts. Automaton has 209 states and 341 transitions. Word has length 283
[2024-11-03 05:03:45,356 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 05:03:45,356 INFO  L471      AbstractCegarLoop]: Abstraction has 209 states and 341 transitions.
[2024-11-03 05:03:45,356 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43)
[2024-11-03 05:03:45,357 INFO  L276                IsEmpty]: Start isEmpty. Operand 209 states and 341 transitions.
[2024-11-03 05:03:45,362 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 284
[2024-11-03 05:03:45,362 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:03:45,362 INFO  L215           NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:03:45,367 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Ended with exit code 0
[2024-11-03 05:03:45,563 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 05:03:45,564 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:03:45,564 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:03:45,564 INFO  L85        PathProgramCache]: Analyzing trace with hash -1218705302, now seen corresponding path program 1 times
[2024-11-03 05:03:45,565 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:03:45,565 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1334608006]
[2024-11-03 05:03:45,565 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:03:45,565 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:03:45,565 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:03:45,566 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 05:03:45,567 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 05:03:45,719 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:03:45,722 INFO  L255         TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 05:03:45,731 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 05:03:45,792 INFO  L134       CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked.
[2024-11-03 05:03:45,793 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 05:03:47,141 INFO  L134       CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked.
[2024-11-03 05:03:47,141 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 05:03:47,141 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1334608006]
[2024-11-03 05:03:47,141 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1334608006] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 05:03:47,142 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 05:03:47,142 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 05:03:47,142 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139560454]
[2024-11-03 05:03:47,142 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 05:03:47,142 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 05:03:47,143 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 05:03:47,143 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 05:03:47,143 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 05:03:47,144 INFO  L87              Difference]: Start difference. First operand 209 states and 341 transitions. Second operand  has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43)
[2024-11-03 05:03:51,532 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 05:03:55,540 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 05:03:55,649 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 05:03:55,649 INFO  L93              Difference]: Finished difference Result 520 states and 843 transitions.
[2024-11-03 05:03:55,650 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 05:03:55,650 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 283
[2024-11-03 05:03:55,651 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 05:03:55,656 INFO  L225             Difference]: With dead ends: 520
[2024-11-03 05:03:55,656 INFO  L226             Difference]: Without dead ends: 314
[2024-11-03 05:03:55,658 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 564 GetRequests, 563 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 05:03:55,660 INFO  L432           NwaCegarLoop]: 242 mSDtfsCounter, 89 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time
[2024-11-03 05:03:55,661 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 455 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time]
[2024-11-03 05:03:55,662 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 314 states.
[2024-11-03 05:03:55,686 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 311.
[2024-11-03 05:03:55,687 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 311 states, 249 states have (on average 1.5421686746987953) internal successors, (384), 252 states have internal predecessors, (384), 57 states have call successors, (57), 4 states have call predecessors, (57), 4 states have return successors, (57), 54 states have call predecessors, (57), 57 states have call successors, (57)
[2024-11-03 05:03:55,688 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 498 transitions.
[2024-11-03 05:03:55,689 INFO  L78                 Accepts]: Start accepts. Automaton has 311 states and 498 transitions. Word has length 283
[2024-11-03 05:03:55,689 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 05:03:55,690 INFO  L471      AbstractCegarLoop]: Abstraction has 311 states and 498 transitions.
[2024-11-03 05:03:55,690 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43)
[2024-11-03 05:03:55,690 INFO  L276                IsEmpty]: Start isEmpty. Operand 311 states and 498 transitions.
[2024-11-03 05:03:55,692 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 284
[2024-11-03 05:03:55,692 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:03:55,693 INFO  L215           NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:03:55,697 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 05:03:55,897 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 05:03:55,898 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:03:55,899 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:03:55,899 INFO  L85        PathProgramCache]: Analyzing trace with hash 704522732, now seen corresponding path program 1 times
[2024-11-03 05:03:55,899 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:03:55,899 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [82005279]
[2024-11-03 05:03:55,899 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:03:55,900 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:03:55,900 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:03:55,905 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 05:03:55,907 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 05:03:56,050 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:03:56,067 INFO  L255         TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 186 conjuncts are in the unsatisfiable core
[2024-11-03 05:03:56,092 INFO  L278         TraceCheckSpWp]: Computing forward predicates...