/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-70.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 05:00:38,348 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 05:00:38,409 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 05:00:38,413 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 05:00:38,414 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 05:00:38,453 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 05:00:38,454 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 05:00:38,456 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 05:00:38,457 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 05:00:38,458 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 05:00:38,458 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 05:00:38,459 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 05:00:38,460 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 05:00:38,460 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 05:00:38,462 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 05:00:38,463 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 05:00:38,463 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 05:00:38,463 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 05:00:38,464 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 05:00:38,464 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 05:00:38,464 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 05:00:38,469 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 05:00:38,469 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 05:00:38,469 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 05:00:38,469 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 05:00:38,470 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 05:00:38,470 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 05:00:38,470 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 05:00:38,470 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 05:00:38,471 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 05:00:38,471 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 05:00:38,471 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 05:00:38,472 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 05:00:38,472 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 05:00:38,473 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 05:00:38,473 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 05:00:38,474 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 05:00:38,474 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 05:00:38,474 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 05:00:38,474 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 05:00:38,475 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 05:00:38,475 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 05:00:38,475 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 05:00:38,475 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 05:00:38,476 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt
[2024-11-03 05:00:38,762 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 05:00:38,790 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 05:00:38,793 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 05:00:38,795 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 05:00:38,795 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 05:00:38,797 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-70.i
[2024-11-03 05:00:40,381 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 05:00:40,639 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 05:00:40,640 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-70.i
[2024-11-03 05:00:40,652 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d8d652b8/14b91a7ed1994788beeb26890686e344/FLAGd8b661677
[2024-11-03 05:00:40,667 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d8d652b8/14b91a7ed1994788beeb26890686e344
[2024-11-03 05:00:40,669 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 05:00:40,671 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 05:00:40,672 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 05:00:40,672 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 05:00:40,678 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 05:00:40,679 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:00:40" (1/1) ...
[2024-11-03 05:00:40,680 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2618532f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:40, skipping insertion in model container
[2024-11-03 05:00:40,680 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:00:40" (1/1) ...
[2024-11-03 05:00:40,726 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 05:00:40,923 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-70.i[916,929]
[2024-11-03 05:00:41,083 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 05:00:41,110 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 05:00:41,122 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-70.i[916,929]
[2024-11-03 05:00:41,207 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 05:00:41,233 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 05:00:41,234 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:41 WrapperNode
[2024-11-03 05:00:41,234 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 05:00:41,238 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 05:00:41,238 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 05:00:41,238 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 05:00:41,245 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:41" (1/1) ...
[2024-11-03 05:00:41,283 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:41" (1/1) ...
[2024-11-03 05:00:41,325 INFO  L138                Inliner]: procedures = 27, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 328
[2024-11-03 05:00:41,326 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 05:00:41,326 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 05:00:41,327 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 05:00:41,327 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 05:00:41,338 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:41" (1/1) ...
[2024-11-03 05:00:41,338 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:41" (1/1) ...
[2024-11-03 05:00:41,347 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:41" (1/1) ...
[2024-11-03 05:00:41,388 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 05:00:41,388 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:41" (1/1) ...
[2024-11-03 05:00:41,389 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:41" (1/1) ...
[2024-11-03 05:00:41,428 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:41" (1/1) ...
[2024-11-03 05:00:41,434 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:41" (1/1) ...
[2024-11-03 05:00:41,446 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:41" (1/1) ...
[2024-11-03 05:00:41,450 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:41" (1/1) ...
[2024-11-03 05:00:41,457 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 05:00:41,462 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 05:00:41,462 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 05:00:41,462 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 05:00:41,463 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:41" (1/1) ...
[2024-11-03 05:00:41,470 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 05:00:41,482 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 05:00:41,504 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 05:00:41,514 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 05:00:41,539 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 05:00:41,540 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 05:00:41,540 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 05:00:41,540 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 05:00:41,541 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 05:00:41,542 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 05:00:41,693 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 05:00:41,696 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 05:01:05,431 INFO  L?                        ?]: Removed 46 outVars from TransFormulas that were not future-live.
[2024-11-03 05:01:05,432 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 05:01:05,455 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 05:01:05,456 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 05:01:05,456 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:01:05 BoogieIcfgContainer
[2024-11-03 05:01:05,457 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 05:01:05,460 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 05:01:05,460 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 05:01:05,464 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 05:01:05,464 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:00:40" (1/3) ...
[2024-11-03 05:01:05,465 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b02e09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:01:05, skipping insertion in model container
[2024-11-03 05:01:05,465 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:41" (2/3) ...
[2024-11-03 05:01:05,465 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b02e09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:01:05, skipping insertion in model container
[2024-11-03 05:01:05,465 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:01:05" (3/3) ...
[2024-11-03 05:01:05,466 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-70.i
[2024-11-03 05:01:05,482 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 05:01:05,483 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 05:01:05,559 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 05:01:05,565 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;@20629b84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 05:01:05,566 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 05:01:05,572 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 130 states, 92 states have (on average 1.5326086956521738) internal successors, (141), 93 states have internal predecessors, (141), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35)
[2024-11-03 05:01:05,587 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 240
[2024-11-03 05:01:05,587 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:01:05,587 INFO  L215           NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:01:05,588 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:01:05,592 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:01:05,592 INFO  L85        PathProgramCache]: Analyzing trace with hash 187069376, now seen corresponding path program 1 times
[2024-11-03 05:01:05,599 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:01:05,600 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1356670025]
[2024-11-03 05:01:05,600 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:01:05,602 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:01:05,602 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:01:05,606 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 05:01:05,608 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 05:01:05,892 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:01:05,895 INFO  L255         TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 05:01:05,918 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 05:01:05,973 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 2312 trivial. 0 not checked.
[2024-11-03 05:01:05,974 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 05:01:10,461 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 2312 trivial. 0 not checked.
[2024-11-03 05:01:10,462 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 05:01:10,462 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1356670025]
[2024-11-03 05:01:10,463 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1356670025] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-03 05:01:10,463 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-03 05:01:10,463 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-03 05:01:10,465 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645876693]
[2024-11-03 05:01:10,466 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-03 05:01:10,471 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 05:01:10,471 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 05:01:10,491 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 05:01:10,492 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 05:01:10,494 INFO  L87              Difference]: Start difference. First operand  has 130 states, 92 states have (on average 1.5326086956521738) internal successors, (141), 93 states have internal predecessors, (141), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand  has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35)
[2024-11-03 05:01:10,543 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 05:01:10,544 INFO  L93              Difference]: Finished difference Result 253 states and 451 transitions.
[2024-11-03 05:01:10,545 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 05:01:10,546 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) Word has length 239
[2024-11-03 05:01:10,546 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 05:01:10,555 INFO  L225             Difference]: With dead ends: 253
[2024-11-03 05:01:10,555 INFO  L226             Difference]: Without dead ends: 126
[2024-11-03 05:01:10,558 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 476 GetRequests, 476 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 05:01:10,562 INFO  L432           NwaCegarLoop]: 204 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, 204 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 05:01:10,562 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 05:01:10,574 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 126 states.
[2024-11-03 05:01:10,599 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126.
[2024-11-03 05:01:10,602 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 126 states, 89 states have (on average 1.5056179775280898) internal successors, (134), 89 states have internal predecessors, (134), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35)
[2024-11-03 05:01:10,605 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 204 transitions.
[2024-11-03 05:01:10,607 INFO  L78                 Accepts]: Start accepts. Automaton has 126 states and 204 transitions. Word has length 239
[2024-11-03 05:01:10,607 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 05:01:10,608 INFO  L471      AbstractCegarLoop]: Abstraction has 126 states and 204 transitions.
[2024-11-03 05:01:10,608 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35)
[2024-11-03 05:01:10,608 INFO  L276                IsEmpty]: Start isEmpty. Operand 126 states and 204 transitions.
[2024-11-03 05:01:10,613 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 240
[2024-11-03 05:01:10,613 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:01:10,613 INFO  L215           NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:01:10,618 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 05:01:10,814 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 05:01:10,815 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:01:10,815 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:01:10,816 INFO  L85        PathProgramCache]: Analyzing trace with hash -1861226630, now seen corresponding path program 1 times
[2024-11-03 05:01:10,816 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:01:10,816 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1575492439]
[2024-11-03 05:01:10,816 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:01:10,816 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:01:10,817 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:01:10,820 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 05:01:10,821 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 05:01:11,065 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:01:11,068 INFO  L255         TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 05:01:11,075 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 05:01:11,670 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked.
[2024-11-03 05:01:11,670 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 05:01:16,308 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked.
[2024-11-03 05:01:16,308 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 05:01:16,308 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1575492439]
[2024-11-03 05:01:16,309 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1575492439] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 05:01:16,309 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 05:01:16,309 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 05:01:16,309 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114646608]
[2024-11-03 05:01:16,309 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 05:01:16,311 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 05:01:16,311 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 05:01:16,312 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 05:01:16,313 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 05:01:16,313 INFO  L87              Difference]: Start difference. First operand 126 states and 204 transitions. Second operand  has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35)
[2024-11-03 05:01:21,382 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 05:01:25,390 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 05:01:26,868 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 05:01:26,871 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 05:01:26,871 INFO  L93              Difference]: Finished difference Result 307 states and 504 transitions.
[2024-11-03 05:01:26,873 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 05:01:26,873 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 239
[2024-11-03 05:01:26,876 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 05:01:26,878 INFO  L225             Difference]: With dead ends: 307
[2024-11-03 05:01:26,878 INFO  L226             Difference]: Without dead ends: 184
[2024-11-03 05:01:26,879 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 476 GetRequests, 475 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 05:01:26,880 INFO  L432           NwaCegarLoop]: 203 mSDtfsCounter, 90 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time
[2024-11-03 05:01:26,881 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 398 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 2 Unknown, 0 Unchecked, 10.5s Time]
[2024-11-03 05:01:26,882 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 184 states.
[2024-11-03 05:01:26,897 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 145.
[2024-11-03 05:01:26,898 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 145 states, 108 states have (on average 1.537037037037037) internal successors, (166), 108 states have internal predecessors, (166), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35)
[2024-11-03 05:01:26,899 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 236 transitions.
[2024-11-03 05:01:26,900 INFO  L78                 Accepts]: Start accepts. Automaton has 145 states and 236 transitions. Word has length 239
[2024-11-03 05:01:26,902 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 05:01:26,902 INFO  L471      AbstractCegarLoop]: Abstraction has 145 states and 236 transitions.
[2024-11-03 05:01:26,906 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35)
[2024-11-03 05:01:26,906 INFO  L276                IsEmpty]: Start isEmpty. Operand 145 states and 236 transitions.
[2024-11-03 05:01:26,911 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 240
[2024-11-03 05:01:26,912 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:01:26,912 INFO  L215           NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:01:26,915 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 05:01:27,112 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 05:01:27,113 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:01:27,114 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:01:27,114 INFO  L85        PathProgramCache]: Analyzing trace with hash 1229722484, now seen corresponding path program 1 times
[2024-11-03 05:01:27,114 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:01:27,114 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [24012018]
[2024-11-03 05:01:27,114 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:01:27,115 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:01:27,115 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:01:27,118 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 05:01:27,119 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 05:01:27,311 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:01:27,315 INFO  L255         TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 05:01:27,320 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 05:01:28,356 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked.
[2024-11-03 05:01:28,358 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 05:01:33,702 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked.
[2024-11-03 05:01:33,703 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 05:01:33,703 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [24012018]
[2024-11-03 05:01:33,703 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [24012018] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 05:01:33,703 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 05:01:33,703 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 05:01:33,703 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352416794]
[2024-11-03 05:01:33,704 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 05:01:33,704 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 05:01:33,705 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 05:01:33,705 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 05:01:33,705 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 05:01:33,706 INFO  L87              Difference]: Start difference. First operand 145 states and 236 transitions. Second operand  has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35)
[2024-11-03 05:01:38,637 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.63s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 05:01:42,654 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 05:01:42,661 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 05:01:42,662 INFO  L93              Difference]: Finished difference Result 408 states and 667 transitions.
[2024-11-03 05:01:42,952 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 05:01:42,953 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 239
[2024-11-03 05:01:42,954 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 05:01:42,957 INFO  L225             Difference]: With dead ends: 408
[2024-11-03 05:01:42,957 INFO  L226             Difference]: Without dead ends: 266
[2024-11-03 05:01:42,959 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 476 GetRequests, 475 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 05:01:42,960 INFO  L432           NwaCegarLoop]: 202 mSDtfsCounter, 157 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time
[2024-11-03 05:01:42,961 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 393 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 2 Unknown, 0 Unchecked, 8.9s Time]
[2024-11-03 05:01:42,962 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 266 states.
[2024-11-03 05:01:42,984 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 263.
[2024-11-03 05:01:42,985 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 263 states, 201 states have (on average 1.5522388059701493) internal successors, (312), 202 states have internal predecessors, (312), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 58 states have call predecessors, (59), 59 states have call successors, (59)
[2024-11-03 05:01:42,987 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 430 transitions.
[2024-11-03 05:01:42,987 INFO  L78                 Accepts]: Start accepts. Automaton has 263 states and 430 transitions. Word has length 239
[2024-11-03 05:01:42,988 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 05:01:42,988 INFO  L471      AbstractCegarLoop]: Abstraction has 263 states and 430 transitions.
[2024-11-03 05:01:42,989 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35)
[2024-11-03 05:01:42,989 INFO  L276                IsEmpty]: Start isEmpty. Operand 263 states and 430 transitions.
[2024-11-03 05:01:42,994 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 240
[2024-11-03 05:01:42,994 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:01:42,994 INFO  L215           NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:01:42,999 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 05:01:43,194 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 05:01:43,195 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:01:43,196 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:01:43,196 INFO  L85        PathProgramCache]: Analyzing trace with hash 1095708978, now seen corresponding path program 1 times
[2024-11-03 05:01:43,196 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:01:43,196 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1990053472]
[2024-11-03 05:01:43,196 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:01:43,197 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:01:43,197 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:01:43,200 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 05:01:43,201 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 05:01:43,397 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:01:43,400 INFO  L255         TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 05:01:43,404 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 05:01:44,683 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked.
[2024-11-03 05:01:44,684 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 05:01:49,981 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked.
[2024-11-03 05:01:49,982 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 05:01:49,982 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1990053472]
[2024-11-03 05:01:49,982 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1990053472] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 05:01:49,982 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 05:01:49,982 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 05:01:49,982 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946128909]
[2024-11-03 05:01:49,983 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 05:01:49,983 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 05:01:49,983 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 05:01:49,985 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 05:01:49,985 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 05:01:49,985 INFO  L87              Difference]: Start difference. First operand 263 states and 430 transitions. Second operand  has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35)
[2024-11-03 05:01:55,948 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 05:01:59,974 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 05:02:00,523 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 05:02:00,523 INFO  L93              Difference]: Finished difference Result 777 states and 1272 transitions.
[2024-11-03 05:02:00,524 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 05:02:00,525 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 239
[2024-11-03 05:02:00,526 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 05:02:00,534 INFO  L225             Difference]: With dead ends: 777
[2024-11-03 05:02:00,535 INFO  L226             Difference]: Without dead ends: 517
[2024-11-03 05:02:00,538 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 476 GetRequests, 475 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 05:02:00,539 INFO  L432           NwaCegarLoop]: 346 mSDtfsCounter, 176 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time
[2024-11-03 05:02:00,542 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 533 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 16 Invalid, 2 Unknown, 0 Unchecked, 10.5s Time]
[2024-11-03 05:02:00,544 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 517 states.
[2024-11-03 05:02:00,585 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 341.
[2024-11-03 05:02:00,586 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 341 states, 279 states have (on average 1.5913978494623655) internal successors, (444), 280 states have internal predecessors, (444), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 58 states have call predecessors, (59), 59 states have call successors, (59)
[2024-11-03 05:02:00,591 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 562 transitions.
[2024-11-03 05:02:00,592 INFO  L78                 Accepts]: Start accepts. Automaton has 341 states and 562 transitions. Word has length 239
[2024-11-03 05:02:00,593 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 05:02:00,593 INFO  L471      AbstractCegarLoop]: Abstraction has 341 states and 562 transitions.
[2024-11-03 05:02:00,593 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35)
[2024-11-03 05:02:00,594 INFO  L276                IsEmpty]: Start isEmpty. Operand 341 states and 562 transitions.
[2024-11-03 05:02:00,596 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 240
[2024-11-03 05:02:00,596 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:02:00,596 INFO  L215           NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:02:00,601 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0
[2024-11-03 05:02:00,797 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt
[2024-11-03 05:02:00,798 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:02:00,798 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:02:00,798 INFO  L85        PathProgramCache]: Analyzing trace with hash 146631342, now seen corresponding path program 1 times
[2024-11-03 05:02:00,798 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:02:00,798 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1084603395]
[2024-11-03 05:02:00,799 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:02:00,799 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:02:00,799 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:02:00,800 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 05:02:00,801 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process
[2024-11-03 05:02:00,972 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:02:00,974 INFO  L255         TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 05:02:00,978 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 05:02:01,766 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked.
[2024-11-03 05:02:01,767 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 05:02:06,867 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked.
[2024-11-03 05:02:06,867 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 05:02:06,867 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1084603395]
[2024-11-03 05:02:06,867 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1084603395] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 05:02:06,868 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 05:02:06,868 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 05:02:06,868 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466052996]
[2024-11-03 05:02:06,868 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 05:02:06,869 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 05:02:06,869 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 05:02:06,869 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 05:02:06,869 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 05:02:06,870 INFO  L87              Difference]: Start difference. First operand 341 states and 562 transitions. Second operand  has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35)
[2024-11-03 05:02:12,049 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.80s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 05:02:16,052 WARN  L539   Checker$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 05:02:16,414 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 05:02:16,414 INFO  L93              Difference]: Finished difference Result 921 states and 1508 transitions.
[2024-11-03 05:02:16,415 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 05:02:16,416 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 239
[2024-11-03 05:02:16,416 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 05:02:16,421 INFO  L225             Difference]: With dead ends: 921
[2024-11-03 05:02:16,421 INFO  L226             Difference]: Without dead ends: 583
[2024-11-03 05:02:16,422 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 476 GetRequests, 475 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 05:02:16,424 INFO  L432           NwaCegarLoop]: 227 mSDtfsCounter, 158 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time
[2024-11-03 05:02:16,424 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 404 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 10 Invalid, 2 Unknown, 0 Unchecked, 9.5s Time]
[2024-11-03 05:02:16,426 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 583 states.
[2024-11-03 05:02:16,481 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 463.
[2024-11-03 05:02:16,483 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 463 states, 401 states have (on average 1.5910224438902743) internal successors, (638), 402 states have internal predecessors, (638), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 58 states have call predecessors, (59), 59 states have call successors, (59)
[2024-11-03 05:02:16,485 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 756 transitions.
[2024-11-03 05:02:16,486 INFO  L78                 Accepts]: Start accepts. Automaton has 463 states and 756 transitions. Word has length 239
[2024-11-03 05:02:16,487 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 05:02:16,487 INFO  L471      AbstractCegarLoop]: Abstraction has 463 states and 756 transitions.
[2024-11-03 05:02:16,488 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35)
[2024-11-03 05:02:16,488 INFO  L276                IsEmpty]: Start isEmpty. Operand 463 states and 756 transitions.
[2024-11-03 05:02:16,490 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 240
[2024-11-03 05:02:16,491 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:02:16,491 INFO  L215           NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:02:16,494 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (6)] Ended with exit code 0
[2024-11-03 05:02:16,691 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt
[2024-11-03 05:02:16,692 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:02:16,692 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:02:16,693 INFO  L85        PathProgramCache]: Analyzing trace with hash 287179952, now seen corresponding path program 1 times
[2024-11-03 05:02:16,693 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:02:16,693 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [654012157]
[2024-11-03 05:02:16,693 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:02:16,693 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:02:16,693 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:02:16,694 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 05:02:16,696 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process
[2024-11-03 05:02:16,868 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:02:16,871 INFO  L255         TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 05:02:16,876 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 05:02:17,302 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked.
[2024-11-03 05:02:17,302 INFO  L311         TraceCheckSpWp]: Computing backward predicates...