/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_amount25_file-33.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 05:07:50,367 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 05:07:50,448 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 05:07:50,451 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 05:07:50,452 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 05:07:50,476 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 05:07:50,477 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 05:07:50,478 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 05:07:50,478 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 05:07:50,479 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 05:07:50,479 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 05:07:50,479 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 05:07:50,480 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 05:07:50,482 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 05:07:50,482 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 05:07:50,482 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 05:07:50,482 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 05:07:50,483 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 05:07:50,483 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 05:07:50,483 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 05:07:50,484 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 05:07:50,488 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 05:07:50,488 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 05:07:50,488 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 05:07:50,488 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 05:07:50,488 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 05:07:50,489 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 05:07:50,489 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 05:07:50,489 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 05:07:50,489 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 05:07:50,490 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 05:07:50,490 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 05:07:50,490 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 05:07:50,490 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 05:07:50,490 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 05:07:50,491 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 05:07:50,491 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 05:07:50,491 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 05:07:50,492 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 05:07:50,492 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 05:07:50,492 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 05:07:50,493 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 05:07:50,493 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 05:07:50,493 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 05:07:50,493 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt
[2024-11-03 05:07:50,721 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 05:07:50,744 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 05:07:50,747 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 05:07:50,749 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 05:07:50,750 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 05:07:50,751 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-33.i
[2024-11-03 05:07:52,230 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 05:07:52,419 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 05:07:52,420 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-33.i
[2024-11-03 05:07:52,428 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc040c482/248045ff5343425581e6af79fb50d2b4/FLAGd615da5d2
[2024-11-03 05:07:52,810 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc040c482/248045ff5343425581e6af79fb50d2b4
[2024-11-03 05:07:52,812 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 05:07:52,814 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 05:07:52,815 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 05:07:52,815 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 05:07:52,820 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 05:07:52,821 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:07:52" (1/1) ...
[2024-11-03 05:07:52,822 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@858e763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:07:52, skipping insertion in model container
[2024-11-03 05:07:52,822 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:07:52" (1/1) ...
[2024-11-03 05:07:52,850 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 05:07:53,022 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_amount25_file-33.i[915,928]
[2024-11-03 05:07:53,055 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 05:07:53,068 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 05:07:53,078 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_amount25_file-33.i[915,928]
[2024-11-03 05:07:53,098 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 05:07:53,118 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 05:07:53,119 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:07:53 WrapperNode
[2024-11-03 05:07:53,119 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 05:07:53,120 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 05:07:53,120 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 05:07:53,121 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 05:07:53,126 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:07:53" (1/1) ...
[2024-11-03 05:07:53,134 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:07:53" (1/1) ...
[2024-11-03 05:07:53,157 INFO  L138                Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 89
[2024-11-03 05:07:53,158 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 05:07:53,159 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 05:07:53,159 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 05:07:53,159 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 05:07:53,167 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:07:53" (1/1) ...
[2024-11-03 05:07:53,167 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:07:53" (1/1) ...
[2024-11-03 05:07:53,170 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:07:53" (1/1) ...
[2024-11-03 05:07:53,180 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 05:07:53,181 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:07:53" (1/1) ...
[2024-11-03 05:07:53,181 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:07:53" (1/1) ...
[2024-11-03 05:07:53,188 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:07:53" (1/1) ...
[2024-11-03 05:07:53,191 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:07:53" (1/1) ...
[2024-11-03 05:07:53,193 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:07:53" (1/1) ...
[2024-11-03 05:07:53,194 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:07:53" (1/1) ...
[2024-11-03 05:07:53,197 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 05:07:53,198 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 05:07:53,198 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 05:07:53,198 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 05:07:53,199 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:07:53" (1/1) ...
[2024-11-03 05:07:53,203 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 05:07:53,213 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 05:07:53,228 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 05:07:53,233 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 05:07:53,263 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 05:07:53,263 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 05:07:53,263 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 05:07:53,264 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 05:07:53,264 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 05:07:53,264 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 05:07:53,350 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 05:07:53,353 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 05:07:53,734 INFO  L?                        ?]: Removed 16 outVars from TransFormulas that were not future-live.
[2024-11-03 05:07:53,735 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 05:07:53,749 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 05:07:53,750 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 05:07:53,750 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:07:53 BoogieIcfgContainer
[2024-11-03 05:07:53,751 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 05:07:53,754 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 05:07:53,754 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 05:07:53,757 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 05:07:53,758 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:07:52" (1/3) ...
[2024-11-03 05:07:53,759 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47192797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:07:53, skipping insertion in model container
[2024-11-03 05:07:53,759 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:07:53" (2/3) ...
[2024-11-03 05:07:53,759 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47192797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:07:53, skipping insertion in model container
[2024-11-03 05:07:53,759 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:07:53" (3/3) ...
[2024-11-03 05:07:53,761 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-33.i
[2024-11-03 05:07:53,778 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 05:07:53,778 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 05:07:53,847 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 05:07:53,857 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;@4b7c89a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 05:07:53,858 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 05:07:53,863 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 40 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 30 states have internal predecessors, (40), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2024-11-03 05:07:53,870 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 61
[2024-11-03 05:07:53,871 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:07:53,872 INFO  L215           NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:07:53,872 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:07:53,879 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:07:53,879 INFO  L85        PathProgramCache]: Analyzing trace with hash -1891658366, now seen corresponding path program 1 times
[2024-11-03 05:07:53,889 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:07:53,890 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [185449660]
[2024-11-03 05:07:53,890 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:07:53,892 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:07:53,893 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:07:53,896 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 05:07:53,898 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 05:07:54,042 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:07:54,045 INFO  L255         TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 05:07:54,053 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 05:07:54,088 INFO  L134       CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked.
[2024-11-03 05:07:54,088 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 05:07:54,158 INFO  L134       CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked.
[2024-11-03 05:07:54,159 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 05:07:54,160 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [185449660]
[2024-11-03 05:07:54,164 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [185449660] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-03 05:07:54,164 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-03 05:07:54,165 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-03 05:07:54,167 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94605544]
[2024-11-03 05:07:54,172 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-03 05:07:54,181 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 05:07:54,181 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 05:07:54,214 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 05:07:54,215 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 05:07:54,217 INFO  L87              Difference]: Start difference. First operand  has 40 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 30 states have internal predecessors, (40), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand  has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8)
[2024-11-03 05:07:54,238 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 05:07:54,239 INFO  L93              Difference]: Finished difference Result 73 states and 114 transitions.
[2024-11-03 05:07:54,240 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 05:07:54,242 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 60
[2024-11-03 05:07:54,242 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 05:07:54,263 INFO  L225             Difference]: With dead ends: 73
[2024-11-03 05:07:54,264 INFO  L226             Difference]: Without dead ends: 36
[2024-11-03 05:07:54,269 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 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 05:07:54,273 INFO  L432           NwaCegarLoop]: 48 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, 48 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 05:07:54,275 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 05:07:54,290 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 36 states.
[2024-11-03 05:07:54,307 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36.
[2024-11-03 05:07:54,310 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 36 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2024-11-03 05:07:54,312 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 48 transitions.
[2024-11-03 05:07:54,315 INFO  L78                 Accepts]: Start accepts. Automaton has 36 states and 48 transitions. Word has length 60
[2024-11-03 05:07:54,315 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 05:07:54,316 INFO  L471      AbstractCegarLoop]: Abstraction has 36 states and 48 transitions.
[2024-11-03 05:07:54,316 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8)
[2024-11-03 05:07:54,316 INFO  L276                IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions.
[2024-11-03 05:07:54,319 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 61
[2024-11-03 05:07:54,319 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:07:54,319 INFO  L215           NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:07:54,322 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 05:07:54,521 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 05:07:54,522 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:07:54,523 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:07:54,523 INFO  L85        PathProgramCache]: Analyzing trace with hash -458830138, now seen corresponding path program 1 times
[2024-11-03 05:07:54,523 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:07:54,523 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [705112165]
[2024-11-03 05:07:54,523 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:07:54,523 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:07:54,524 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:07:54,525 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 05:07:54,527 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 05:07:54,626 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:07:54,633 INFO  L255         TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 33 conjuncts are in the unsatisfiable core
[2024-11-03 05:07:54,642 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 05:07:55,026 INFO  L134       CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked.
[2024-11-03 05:07:55,026 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 05:07:55,624 INFO  L134       CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2024-11-03 05:07:55,625 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 05:07:55,625 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [705112165]
[2024-11-03 05:07:55,625 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [705112165] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-03 05:07:55,626 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-03 05:07:55,626 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9
[2024-11-03 05:07:55,626 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495347080]
[2024-11-03 05:07:55,626 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-03 05:07:55,629 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-03 05:07:55,629 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 05:07:55,630 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-03 05:07:55,631 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72
[2024-11-03 05:07:55,631 INFO  L87              Difference]: Start difference. First operand 36 states and 48 transitions. Second operand  has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8)
[2024-11-03 05:07:55,878 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 05:07:55,878 INFO  L93              Difference]: Finished difference Result 112 states and 149 transitions.
[2024-11-03 05:07:55,882 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-03 05:07:55,882 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 60
[2024-11-03 05:07:55,883 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 05:07:55,884 INFO  L225             Difference]: With dead ends: 112
[2024-11-03 05:07:55,884 INFO  L226             Difference]: Without dead ends: 79
[2024-11-03 05:07:55,885 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 110 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110
[2024-11-03 05:07:55,886 INFO  L432           NwaCegarLoop]: 44 mSDtfsCounter, 61 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-03 05:07:55,887 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 171 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-03 05:07:55,888 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 79 states.
[2024-11-03 05:07:55,900 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 67.
[2024-11-03 05:07:55,901 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 67 states, 48 states have (on average 1.2291666666666667) internal successors, (59), 48 states have internal predecessors, (59), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-03 05:07:55,902 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 91 transitions.
[2024-11-03 05:07:55,903 INFO  L78                 Accepts]: Start accepts. Automaton has 67 states and 91 transitions. Word has length 60
[2024-11-03 05:07:55,903 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 05:07:55,903 INFO  L471      AbstractCegarLoop]: Abstraction has 67 states and 91 transitions.
[2024-11-03 05:07:55,904 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8)
[2024-11-03 05:07:55,904 INFO  L276                IsEmpty]: Start isEmpty. Operand 67 states and 91 transitions.
[2024-11-03 05:07:55,905 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 61
[2024-11-03 05:07:55,905 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:07:55,906 INFO  L215           NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:07:55,910 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 05:07:56,107 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 05:07:56,108 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:07:56,109 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:07:56,109 INFO  L85        PathProgramCache]: Analyzing trace with hash -851857148, now seen corresponding path program 1 times
[2024-11-03 05:07:56,109 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:07:56,110 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [731824307]
[2024-11-03 05:07:56,110 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:07:56,110 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:07:56,110 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:07:56,116 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 05:07:56,117 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 05:07:56,196 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:07:56,208 INFO  L255         TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 45 conjuncts are in the unsatisfiable core
[2024-11-03 05:07:56,222 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 05:07:56,942 INFO  L134       CoverageAnalysis]: Checked inductivity of 112 backedges. 43 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked.
[2024-11-03 05:07:56,943 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 05:08:03,503 INFO  L134       CoverageAnalysis]: Checked inductivity of 112 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked.
[2024-11-03 05:08:03,503 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 05:08:03,504 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [731824307]
[2024-11-03 05:08:03,504 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [731824307] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 05:08:03,504 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 05:08:03,504 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 13
[2024-11-03 05:08:03,504 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524123730]
[2024-11-03 05:08:03,505 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 05:08:03,505 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-11-03 05:08:03,505 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 05:08:03,506 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-11-03 05:08:03,506 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156
[2024-11-03 05:08:03,507 INFO  L87              Difference]: Start difference. First operand 67 states and 91 transitions. Second operand  has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 4 states have call successors, (16), 3 states have call predecessors, (16), 5 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16)
[2024-11-03 05:08:04,286 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 05:08:04,287 INFO  L93              Difference]: Finished difference Result 144 states and 189 transitions.
[2024-11-03 05:08:04,287 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-11-03 05:08:04,288 INFO  L78                 Accepts]: Start accepts. Automaton has  has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 4 states have call successors, (16), 3 states have call predecessors, (16), 5 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 60
[2024-11-03 05:08:04,288 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 05:08:04,289 INFO  L225             Difference]: With dead ends: 144
[2024-11-03 05:08:04,289 INFO  L226             Difference]: Without dead ends: 80
[2024-11-03 05:08:04,290 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=182, Invalid=370, Unknown=0, NotChecked=0, Total=552
[2024-11-03 05:08:04,292 INFO  L432           NwaCegarLoop]: 24 mSDtfsCounter, 104 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-03 05:08:04,292 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 101 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-03 05:08:04,293 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 80 states.
[2024-11-03 05:08:04,305 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 75.
[2024-11-03 05:08:04,306 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 75 states, 54 states have (on average 1.1666666666666667) internal successors, (63), 54 states have internal predecessors, (63), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-03 05:08:04,307 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 95 transitions.
[2024-11-03 05:08:04,307 INFO  L78                 Accepts]: Start accepts. Automaton has 75 states and 95 transitions. Word has length 60
[2024-11-03 05:08:04,308 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 05:08:04,308 INFO  L471      AbstractCegarLoop]: Abstraction has 75 states and 95 transitions.
[2024-11-03 05:08:04,308 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 4 states have call successors, (16), 3 states have call predecessors, (16), 5 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16)
[2024-11-03 05:08:04,308 INFO  L276                IsEmpty]: Start isEmpty. Operand 75 states and 95 transitions.
[2024-11-03 05:08:04,309 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 62
[2024-11-03 05:08:04,309 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:08:04,310 INFO  L215           NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:08:04,314 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 05:08:04,510 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 05:08:04,511 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:08:04,512 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:08:04,512 INFO  L85        PathProgramCache]: Analyzing trace with hash 237329020, now seen corresponding path program 1 times
[2024-11-03 05:08:04,512 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:08:04,512 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [661606053]
[2024-11-03 05:08:04,512 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:08:04,513 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:08:04,513 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:08:04,516 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 05:08:04,517 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 05:08:04,628 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:08:04,632 INFO  L255         TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 45 conjuncts are in the unsatisfiable core
[2024-11-03 05:08:04,637 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 05:08:05,366 INFO  L134       CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2024-11-03 05:08:05,367 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 05:08:10,082 INFO  L134       CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2024-11-03 05:08:10,083 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 05:08:10,083 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [661606053]
[2024-11-03 05:08:10,083 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [661606053] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 05:08:10,083 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 05:08:10,084 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 8] imperfect sequences [] total 14
[2024-11-03 05:08:10,084 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883282874]
[2024-11-03 05:08:10,084 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 05:08:10,084 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-03 05:08:10,085 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 05:08:10,085 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-03 05:08:10,086 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182
[2024-11-03 05:08:10,086 INFO  L87              Difference]: Start difference. First operand 75 states and 95 transitions. Second operand  has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16)
[2024-11-03 05:08:10,800 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 05:08:10,801 INFO  L93              Difference]: Finished difference Result 241 states and 304 transitions.
[2024-11-03 05:08:10,801 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2024-11-03 05:08:10,802 INFO  L78                 Accepts]: Start accepts. Automaton has  has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) Word has length 61
[2024-11-03 05:08:10,802 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 05:08:10,804 INFO  L225             Difference]: With dead ends: 241
[2024-11-03 05:08:10,804 INFO  L226             Difference]: Without dead ends: 169
[2024-11-03 05:08:10,805 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 106 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=163, Invalid=343, Unknown=0, NotChecked=0, Total=506
[2024-11-03 05:08:10,806 INFO  L432           NwaCegarLoop]: 32 mSDtfsCounter, 136 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-03 05:08:10,806 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 249 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-03 05:08:10,807 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 169 states.
[2024-11-03 05:08:10,829 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 109.
[2024-11-03 05:08:10,830 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 109 states, 78 states have (on average 1.141025641025641) internal successors, (89), 78 states have internal predecessors, (89), 24 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24)
[2024-11-03 05:08:10,832 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 137 transitions.
[2024-11-03 05:08:10,833 INFO  L78                 Accepts]: Start accepts. Automaton has 109 states and 137 transitions. Word has length 61
[2024-11-03 05:08:10,833 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 05:08:10,833 INFO  L471      AbstractCegarLoop]: Abstraction has 109 states and 137 transitions.
[2024-11-03 05:08:10,833 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16)
[2024-11-03 05:08:10,834 INFO  L276                IsEmpty]: Start isEmpty. Operand 109 states and 137 transitions.
[2024-11-03 05:08:10,834 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 62
[2024-11-03 05:08:10,834 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:08:10,835 INFO  L215           NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:08:10,839 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 05:08:11,035 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 05:08:11,036 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:08:11,036 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:08:11,037 INFO  L85        PathProgramCache]: Analyzing trace with hash 239176062, now seen corresponding path program 1 times
[2024-11-03 05:08:11,037 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:08:11,037 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2095254626]
[2024-11-03 05:08:11,037 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:08:11,037 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:08:11,037 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:08:11,039 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 05:08:11,041 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 05:08:11,141 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:08:11,146 INFO  L255         TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 47 conjuncts are in the unsatisfiable core
[2024-11-03 05:08:11,151 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 05:08:19,893 INFO  L134       CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked.
[2024-11-03 05:08:19,893 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 05:08:30,035 INFO  L134       CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2024-11-03 05:08:30,036 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 05:08:30,036 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2095254626]
[2024-11-03 05:08:30,036 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [2095254626] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-03 05:08:30,036 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-03 05:08:30,036 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [12] total 25
[2024-11-03 05:08:30,037 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371946392]
[2024-11-03 05:08:30,037 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-03 05:08:30,037 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-03 05:08:30,037 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 05:08:30,038 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-03 05:08:30,038 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=471, Unknown=0, NotChecked=0, Total=600
[2024-11-03 05:08:30,039 INFO  L87              Difference]: Start difference. First operand 109 states and 137 transitions. Second operand  has 14 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8)
[2024-11-03 05:08:38,559 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 05:08:38,560 INFO  L93              Difference]: Finished difference Result 121 states and 150 transitions.
[2024-11-03 05:08:38,560 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2024-11-03 05:08:38,560 INFO  L78                 Accepts]: Start accepts. Automaton has  has 14 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) Word has length 61
[2024-11-03 05:08:38,561 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 05:08:38,562 INFO  L225             Difference]: With dead ends: 121
[2024-11-03 05:08:38,562 INFO  L226             Difference]: Without dead ends: 119
[2024-11-03 05:08:38,563 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 95 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=273, Invalid=917, Unknown=0, NotChecked=0, Total=1190
[2024-11-03 05:08:38,564 INFO  L432           NwaCegarLoop]: 32 mSDtfsCounter, 80 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time
[2024-11-03 05:08:38,564 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 263 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time]
[2024-11-03 05:08:38,565 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 119 states.
[2024-11-03 05:08:38,587 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 115.
[2024-11-03 05:08:38,588 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 115 states, 84 states have (on average 1.130952380952381) internal successors, (95), 84 states have internal predecessors, (95), 24 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24)
[2024-11-03 05:08:38,589 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 143 transitions.
[2024-11-03 05:08:38,589 INFO  L78                 Accepts]: Start accepts. Automaton has 115 states and 143 transitions. Word has length 61
[2024-11-03 05:08:38,589 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 05:08:38,590 INFO  L471      AbstractCegarLoop]: Abstraction has 115 states and 143 transitions.
[2024-11-03 05:08:38,590 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8)
[2024-11-03 05:08:38,590 INFO  L276                IsEmpty]: Start isEmpty. Operand 115 states and 143 transitions.
[2024-11-03 05:08:38,592 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 120
[2024-11-03 05:08:38,592 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:08:38,592 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 05:08:38,598 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 05:08:38,792 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 05:08:38,793 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:08:38,794 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:08:38,794 INFO  L85        PathProgramCache]: Analyzing trace with hash -1133709702, now seen corresponding path program 1 times
[2024-11-03 05:08:38,794 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:08:38,794 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1685502994]
[2024-11-03 05:08:38,794 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:08:38,794 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:08:38,794 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:08:38,796 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 05:08:38,797 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 05:08:38,990 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:08:39,008 INFO  L255         TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 80 conjuncts are in the unsatisfiable core
[2024-11-03 05:08:39,023 INFO  L278         TraceCheckSpWp]: Computing forward predicates...