/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-30.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 04:54:44,965 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 04:54:45,047 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 04:54:45,053 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 04:54:45,055 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 04:54:45,078 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 04:54:45,079 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 04:54:45,080 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 04:54:45,080 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 04:54:45,081 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 04:54:45,081 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 04:54:45,082 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 04:54:45,082 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 04:54:45,083 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 04:54:45,083 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 04:54:45,083 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 04:54:45,084 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 04:54:45,084 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 04:54:45,085 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 04:54:45,085 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 04:54:45,085 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 04:54:45,088 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 04:54:45,088 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 04:54:45,088 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 04:54:45,089 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 04:54:45,089 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 04:54:45,089 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 04:54:45,089 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 04:54:45,090 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 04:54:45,090 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 04:54:45,090 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 04:54:45,090 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 04:54:45,091 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 04:54:45,091 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 04:54:45,091 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 04:54:45,092 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 04:54:45,092 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 04:54:45,092 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 04:54:45,092 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 04:54:45,093 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 04:54:45,093 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 04:54:45,096 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 04:54:45,096 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 04:54:45,096 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 04:54:45,097 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt
[2024-11-03 04:54:45,360 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 04:54:45,388 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 04:54:45,392 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 04:54:45,393 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 04:54:45,394 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 04:54:45,396 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-30.i
[2024-11-03 04:54:47,071 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 04:54:47,380 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 04:54:47,380 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-30.i
[2024-11-03 04:54:47,394 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90b0b5a9d/17b91bd0d41d475fa75e3d196bf0e358/FLAGbdb498833
[2024-11-03 04:54:47,410 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90b0b5a9d/17b91bd0d41d475fa75e3d196bf0e358
[2024-11-03 04:54:47,413 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 04:54:47,415 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 04:54:47,416 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 04:54:47,416 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 04:54:47,420 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 04:54:47,421 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:54:47" (1/1) ...
[2024-11-03 04:54:47,422 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ce8a9cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:54:47, skipping insertion in model container
[2024-11-03 04:54:47,422 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:54:47" (1/1) ...
[2024-11-03 04:54:47,469 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 04:54:47,665 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-30.i[916,929]
[2024-11-03 04:54:47,823 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 04:54:47,844 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 04:54:47,856 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-30.i[916,929]
[2024-11-03 04:54:47,934 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 04:54:47,956 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 04:54:47,956 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:54:47 WrapperNode
[2024-11-03 04:54:47,957 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 04:54:47,958 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 04:54:47,958 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 04:54:47,958 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 04:54:47,965 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:54:47" (1/1) ...
[2024-11-03 04:54:47,983 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:54:47" (1/1) ...
[2024-11-03 04:54:48,032 INFO  L138                Inliner]: procedures = 27, calls = 65, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 342
[2024-11-03 04:54:48,032 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 04:54:48,033 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 04:54:48,033 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 04:54:48,033 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 04:54:48,044 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:54:47" (1/1) ...
[2024-11-03 04:54:48,044 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:54:47" (1/1) ...
[2024-11-03 04:54:48,052 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:54:47" (1/1) ...
[2024-11-03 04:54:48,079 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 04:54:48,080 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:54:47" (1/1) ...
[2024-11-03 04:54:48,080 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:54:47" (1/1) ...
[2024-11-03 04:54:48,109 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:54:47" (1/1) ...
[2024-11-03 04:54:48,121 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:54:47" (1/1) ...
[2024-11-03 04:54:48,130 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:54:47" (1/1) ...
[2024-11-03 04:54:48,136 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:54:47" (1/1) ...
[2024-11-03 04:54:48,152 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 04:54:48,153 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 04:54:48,153 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 04:54:48,153 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 04:54:48,154 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:54:47" (1/1) ...
[2024-11-03 04:54:48,166 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 04:54:48,178 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 04:54:48,193 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 04:54:48,196 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 04:54:48,218 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 04:54:48,218 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 04:54:48,218 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 04:54:48,218 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 04:54:48,219 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 04:54:48,219 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 04:54:48,317 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 04:54:48,319 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 04:54:56,925 INFO  L?                        ?]: Removed 36 outVars from TransFormulas that were not future-live.
[2024-11-03 04:54:56,925 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 04:54:56,952 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 04:54:56,953 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 04:54:56,955 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:54:56 BoogieIcfgContainer
[2024-11-03 04:54:56,955 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 04:54:56,959 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 04:54:56,959 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 04:54:56,963 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 04:54:56,963 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:54:47" (1/3) ...
[2024-11-03 04:54:56,965 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@305dd15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:54:56, skipping insertion in model container
[2024-11-03 04:54:56,965 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:54:47" (2/3) ...
[2024-11-03 04:54:56,966 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@305dd15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:54:56, skipping insertion in model container
[2024-11-03 04:54:56,966 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:54:56" (3/3) ...
[2024-11-03 04:54:56,968 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-30.i
[2024-11-03 04:54:56,987 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 04:54:56,988 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 04:54:57,070 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 04:54:57,078 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;@295fdd7a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 04:54:57,079 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 04:54:57,088 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 147 states, 92 states have (on average 1.4673913043478262) internal successors, (135), 93 states have internal predecessors, (135), 52 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52)
[2024-11-03 04:54:57,114 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 329
[2024-11-03 04:54:57,114 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:54:57,117 INFO  L215           NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:54:57,117 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:54:57,123 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:54:57,124 INFO  L85        PathProgramCache]: Analyzing trace with hash 1154907571, now seen corresponding path program 1 times
[2024-11-03 04:54:57,130 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:54:57,131 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1939162456]
[2024-11-03 04:54:57,131 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:54:57,133 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:54:57,134 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:54:57,135 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 04:54:57,138 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 04:54:57,451 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:54:57,455 INFO  L255         TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 04:54:57,482 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:54:57,570 INFO  L134       CoverageAnalysis]: Checked inductivity of 5304 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 5202 trivial. 0 not checked.
[2024-11-03 04:54:57,571 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:54:59,733 INFO  L134       CoverageAnalysis]: Checked inductivity of 5304 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 5202 trivial. 0 not checked.
[2024-11-03 04:54:59,734 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:54:59,734 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1939162456]
[2024-11-03 04:54:59,735 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1939162456] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-03 04:54:59,735 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-03 04:54:59,735 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-03 04:54:59,740 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45518950]
[2024-11-03 04:54:59,741 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-03 04:54:59,746 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 04:54:59,746 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:54:59,774 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 04:54:59,775 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 04:54:59,780 INFO  L87              Difference]: Start difference. First operand  has 147 states, 92 states have (on average 1.4673913043478262) internal successors, (135), 93 states have internal predecessors, (135), 52 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) 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, (52), 2 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 2 states have call successors, (52)
[2024-11-03 04:54:59,825 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:54:59,825 INFO  L93              Difference]: Finished difference Result 287 states and 524 transitions.
[2024-11-03 04:54:59,829 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 04:54:59,830 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, (52), 2 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 2 states have call successors, (52) Word has length 328
[2024-11-03 04:54:59,831 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:54:59,840 INFO  L225             Difference]: With dead ends: 287
[2024-11-03 04:54:59,841 INFO  L226             Difference]: Without dead ends: 143
[2024-11-03 04:54:59,846 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 654 GetRequests, 654 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 04:54:59,849 INFO  L432           NwaCegarLoop]: 231 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, 231 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 04:54:59,851 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 04:54:59,869 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 143 states.
[2024-11-03 04:54:59,909 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143.
[2024-11-03 04:54:59,911 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 143 states, 89 states have (on average 1.4269662921348314) internal successors, (127), 89 states have internal predecessors, (127), 52 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52)
[2024-11-03 04:54:59,914 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 231 transitions.
[2024-11-03 04:54:59,917 INFO  L78                 Accepts]: Start accepts. Automaton has 143 states and 231 transitions. Word has length 328
[2024-11-03 04:54:59,918 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:54:59,918 INFO  L471      AbstractCegarLoop]: Abstraction has 143 states and 231 transitions.
[2024-11-03 04:54:59,918 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, (52), 2 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 2 states have call successors, (52)
[2024-11-03 04:54:59,919 INFO  L276                IsEmpty]: Start isEmpty. Operand 143 states and 231 transitions.
[2024-11-03 04:54:59,925 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 331
[2024-11-03 04:54:59,926 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:54:59,926 INFO  L215           NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:54:59,935 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 04:55:00,128 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 04:55:00,129 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:55:00,129 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:55:00,130 INFO  L85        PathProgramCache]: Analyzing trace with hash 1728280095, now seen corresponding path program 1 times
[2024-11-03 04:55:00,130 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:55:00,130 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1847064199]
[2024-11-03 04:55:00,130 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:55:00,131 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:55:00,131 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:55:00,132 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 04:55:00,134 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 04:55:00,407 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:55:00,411 INFO  L255         TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 04:55:00,420 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:55:01,011 INFO  L134       CoverageAnalysis]: Checked inductivity of 5304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked.
[2024-11-03 04:55:01,011 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:55:03,456 INFO  L134       CoverageAnalysis]: Checked inductivity of 5304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked.
[2024-11-03 04:55:03,456 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:55:03,456 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1847064199]
[2024-11-03 04:55:03,457 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1847064199] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 04:55:03,457 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 04:55:03,457 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 04:55:03,459 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839555882]
[2024-11-03 04:55:03,459 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 04:55:03,462 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 04:55:03,462 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:55:03,466 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 04:55:03,467 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 04:55:03,467 INFO  L87              Difference]: Start difference. First operand 143 states and 231 transitions. Second operand  has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52)
[2024-11-03 04:55:07,973 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:55:11,980 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 04:55:11,992 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:55:11,992 INFO  L93              Difference]: Finished difference Result 394 states and 638 transitions.
[2024-11-03 04:55:12,087 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 04:55:12,087 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) Word has length 330
[2024-11-03 04:55:12,089 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:55:12,093 INFO  L225             Difference]: With dead ends: 394
[2024-11-03 04:55:12,093 INFO  L226             Difference]: Without dead ends: 254
[2024-11-03 04:55:12,095 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 658 GetRequests, 657 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 04:55:12,096 INFO  L432           NwaCegarLoop]: 228 mSDtfsCounter, 159 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time
[2024-11-03 04:55:12,096 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 446 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time]
[2024-11-03 04:55:12,098 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 254 states.
[2024-11-03 04:55:12,149 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 251.
[2024-11-03 04:55:12,150 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 251 states, 154 states have (on average 1.422077922077922) internal successors, (219), 155 states have internal predecessors, (219), 94 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 93 states have call predecessors, (94), 94 states have call successors, (94)
[2024-11-03 04:55:12,156 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 407 transitions.
[2024-11-03 04:55:12,157 INFO  L78                 Accepts]: Start accepts. Automaton has 251 states and 407 transitions. Word has length 330
[2024-11-03 04:55:12,162 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:55:12,162 INFO  L471      AbstractCegarLoop]: Abstraction has 251 states and 407 transitions.
[2024-11-03 04:55:12,163 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52)
[2024-11-03 04:55:12,163 INFO  L276                IsEmpty]: Start isEmpty. Operand 251 states and 407 transitions.
[2024-11-03 04:55:12,172 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 331
[2024-11-03 04:55:12,173 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:55:12,173 INFO  L215           NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:55:12,176 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 04:55:12,373 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 04:55:12,374 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:55:12,375 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:55:12,375 INFO  L85        PathProgramCache]: Analyzing trace with hash 1335253085, now seen corresponding path program 1 times
[2024-11-03 04:55:12,375 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:55:12,375 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [398090074]
[2024-11-03 04:55:12,376 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:55:12,376 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:55:12,376 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:55:12,379 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 04:55:12,382 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 04:55:12,605 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:55:12,609 INFO  L255         TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 04:55:12,619 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:55:13,180 INFO  L134       CoverageAnalysis]: Checked inductivity of 5304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked.
[2024-11-03 04:55:13,180 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:55:15,995 INFO  L134       CoverageAnalysis]: Checked inductivity of 5304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked.
[2024-11-03 04:55:15,996 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:55:15,996 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [398090074]
[2024-11-03 04:55:15,996 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [398090074] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 04:55:15,996 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 04:55:15,997 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 04:55:15,997 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977507758]
[2024-11-03 04:55:15,997 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 04:55:15,998 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 04:55:15,998 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:55:16,001 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 04:55:16,001 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 04:55:16,002 INFO  L87              Difference]: Start difference. First operand 251 states and 407 transitions. Second operand  has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52)
[2024-11-03 04:55:20,404 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:55:24,410 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 04:55:24,426 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:55:24,426 INFO  L93              Difference]: Finished difference Result 641 states and 1039 transitions.
[2024-11-03 04:55:24,554 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 04:55:24,555 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) Word has length 330
[2024-11-03 04:55:24,556 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:55:24,562 INFO  L225             Difference]: With dead ends: 641
[2024-11-03 04:55:24,563 INFO  L226             Difference]: Without dead ends: 393
[2024-11-03 04:55:24,565 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 658 GetRequests, 657 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 04:55:24,566 INFO  L432           NwaCegarLoop]: 244 mSDtfsCounter, 99 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time
[2024-11-03 04:55:24,566 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 461 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 2 Unknown, 0 Unchecked, 8.4s Time]
[2024-11-03 04:55:24,570 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 393 states.
[2024-11-03 04:55:24,639 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 389.
[2024-11-03 04:55:24,643 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 389 states, 250 states have (on average 1.448) internal successors, (362), 253 states have internal predecessors, (362), 134 states have call successors, (134), 4 states have call predecessors, (134), 4 states have return successors, (134), 131 states have call predecessors, (134), 134 states have call successors, (134)
[2024-11-03 04:55:24,648 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 630 transitions.
[2024-11-03 04:55:24,650 INFO  L78                 Accepts]: Start accepts. Automaton has 389 states and 630 transitions. Word has length 330
[2024-11-03 04:55:24,651 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:55:24,652 INFO  L471      AbstractCegarLoop]: Abstraction has 389 states and 630 transitions.
[2024-11-03 04:55:24,652 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52)
[2024-11-03 04:55:24,652 INFO  L276                IsEmpty]: Start isEmpty. Operand 389 states and 630 transitions.
[2024-11-03 04:55:24,655 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 331
[2024-11-03 04:55:24,655 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:55:24,655 INFO  L215           NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:55:24,661 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 04:55:24,856 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 04:55:24,857 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:55:24,858 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:55:24,858 INFO  L85        PathProgramCache]: Analyzing trace with hash -1036486177, now seen corresponding path program 1 times
[2024-11-03 04:55:24,859 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:55:24,859 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [865495701]
[2024-11-03 04:55:24,859 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:55:24,859 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:55:24,859 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:55:24,863 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 04:55:24,865 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 04:55:25,061 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:55:25,074 INFO  L255         TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 206 conjuncts are in the unsatisfiable core
[2024-11-03 04:55:25,107 INFO  L278         TraceCheckSpWp]: Computing forward predicates...