This is Ultimate 0.2.4-tmp.dk.referee-eval-04d6fb3-m
[2024-09-15 20:10:53,206 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-09-15 20:10:53,293 INFO  L114        SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-09-15 20:10:53,298 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-09-15 20:10:53,300 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-09-15 20:10:53,329 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-09-15 20:10:53,330 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-09-15 20:10:53,330 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-09-15 20:10:53,331 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-09-15 20:10:53,334 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-09-15 20:10:53,335 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-09-15 20:10:53,335 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-09-15 20:10:53,336 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-09-15 20:10:53,336 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-09-15 20:10:53,336 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-09-15 20:10:53,337 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-09-15 20:10:53,337 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-09-15 20:10:53,337 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-09-15 20:10:53,338 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-09-15 20:10:53,338 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-09-15 20:10:53,338 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-09-15 20:10:53,340 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-09-15 20:10:53,340 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-09-15 20:10:53,340 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-09-15 20:10:53,340 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-09-15 20:10:53,341 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-09-15 20:10:53,341 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-09-15 20:10:53,341 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-09-15 20:10:53,342 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-09-15 20:10:53,342 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-09-15 20:10:53,343 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-09-15 20:10:53,344 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-09-15 20:10:53,344 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-15 20:10:53,344 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-09-15 20:10:53,345 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-09-15 20:10:53,345 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-09-15 20:10:53,345 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-09-15 20:10:53,345 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-09-15 20:10:53,346 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-09-15 20:10:53,346 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-09-15 20:10:53,346 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-09-15 20:10:53,347 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-09-15 20:10:53,347 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/certificate-witnesses-artifact/automizer/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None
[2024-09-15 20:10:53,689 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-09-15 20:10:53,712 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-09-15 20:10:53,715 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-09-15 20:10:53,716 INFO  L270        PluginConnector]: Initializing Witness Parser...
[2024-09-15 20:10:53,716 INFO  L274        PluginConnector]: Witness Parser initialized
[2024-09-15 20:10:53,717 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../results/automizer-verification-files/SV-COMP24_unreach-call/gsv2008.yml/witness-2.1.yml
[2024-09-15 20:10:53,774 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-09-15 20:10:53,775 INFO  L274        PluginConnector]: CDTParser initialized
[2024-09-15 20:10:53,776 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/loop-lit/gsv2008.i
[2024-09-15 20:10:55,405 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-09-15 20:10:55,620 INFO  L384              CDTParser]: Found 1 translation units.
[2024-09-15 20:10:55,620 INFO  L180              CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/gsv2008.i
[2024-09-15 20:10:55,631 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/55d7bcc3c/ad9962b5673e4cc08282c65da1815dfa/FLAG6be46763b
[2024-09-15 20:10:56,000 INFO  L435              CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/55d7bcc3c/ad9962b5673e4cc08282c65da1815dfa
[2024-09-15 20:10:56,001 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-09-15 20:10:56,002 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-09-15 20:10:56,010 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-09-15 20:10:56,011 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-09-15 20:10:56,016 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-09-15 20:10:56,016 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:10:53" (1/2) ...
[2024-09-15 20:10:56,017 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@338bf8d8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:10:56, skipping insertion in model container
[2024-09-15 20:10:56,017 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:10:53" (1/2) ...
[2024-09-15 20:10:56,018 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@b29ec45 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:10:56, skipping insertion in model container
[2024-09-15 20:10:56,018 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:10:56" (2/2) ...
[2024-09-15 20:10:56,019 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@338bf8d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:10:56, skipping insertion in model container
[2024-09-15 20:10:56,019 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:10:56" (2/2) ...
[2024-09-15 20:10:56,029 INFO  L93    nessWitnessExtractor]: Found the following entries in the witness:
[2024-09-15 20:10:56,030 INFO  L1541             ArrayList]: Loop invariant at [L29-L32] ((x < 0) || (0 < y))
[2024-09-15 20:10:56,030 INFO  L1541             ArrayList]: Function contract at [L17]: requires (1 <= \old(cond)), ensures (1 <= \old(cond))
[2024-09-15 20:10:56,051 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-09-15 20:10:56,191 WARN  L248   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/gsv2008.i[895,908]
[2024-09-15 20:10:56,201 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-09-15 20:10:56,209 INFO  L200         MainTranslator]: Completed pre-run
Start Parsing Global
Start Parsing Global
[2024-09-15 20:10:56,238 WARN  L248   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/gsv2008.i[895,908]
Start Parsing Local
[2024-09-15 20:10:56,242 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-09-15 20:10:56,257 INFO  L204         MainTranslator]: Completed translation
[2024-09-15 20:10:56,258 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:10:56 WrapperNode
[2024-09-15 20:10:56,258 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-09-15 20:10:56,259 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-09-15 20:10:56,259 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-09-15 20:10:56,259 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-09-15 20:10:56,266 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:10:56" (1/1) ...
[2024-09-15 20:10:56,271 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:10:56" (1/1) ...
[2024-09-15 20:10:56,283 INFO  L138                Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35
[2024-09-15 20:10:56,283 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-09-15 20:10:56,284 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-09-15 20:10:56,284 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-09-15 20:10:56,284 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-09-15 20:10:56,290 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:10:56" (1/1) ...
[2024-09-15 20:10:56,290 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:10:56" (1/1) ...
[2024-09-15 20:10:56,291 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:10:56" (1/1) ...
[2024-09-15 20:10:56,298 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].
[2024-09-15 20:10:56,298 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:10:56" (1/1) ...
[2024-09-15 20:10:56,299 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:10:56" (1/1) ...
[2024-09-15 20:10:56,300 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:10:56" (1/1) ...
[2024-09-15 20:10:56,303 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:10:56" (1/1) ...
[2024-09-15 20:10:56,303 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:10:56" (1/1) ...
[2024-09-15 20:10:56,304 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:10:56" (1/1) ...
[2024-09-15 20:10:56,305 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-09-15 20:10:56,306 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-09-15 20:10:56,306 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-09-15 20:10:56,306 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-09-15 20:10:56,306 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:10:56" (1/1) ...
[2024-09-15 20:10:56,312 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-15 20:10:56,317 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3
[2024-09-15 20:10:56,329 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-09-15 20:10:56,331 INFO  L327       MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-09-15 20:10:56,366 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-09-15 20:10:56,367 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-09-15 20:10:56,367 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-09-15 20:10:56,367 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-09-15 20:10:56,433 INFO  L242             CfgBuilder]: Building ICFG
[2024-09-15 20:10:56,437 INFO  L268             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-09-15 20:10:56,560 INFO  L?                        ?]: Removed 11 outVars from TransFormulas that were not future-live.
[2024-09-15 20:10:56,560 INFO  L291             CfgBuilder]: Performing block encoding
[2024-09-15 20:10:56,589 INFO  L313             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-09-15 20:10:56,590 INFO  L318             CfgBuilder]: Removed 1 assume(true) statements.
[2024-09-15 20:10:56,590 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:10:56 BoogieIcfgContainer
[2024-09-15 20:10:56,590 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-09-15 20:10:56,593 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-09-15 20:10:56,594 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-09-15 20:10:56,598 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-09-15 20:10:56,598 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:10:53" (1/4) ...
[2024-09-15 20:10:56,599 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5290f82f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 15.09 08:10:56, skipping insertion in model container
[2024-09-15 20:10:56,600 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 08:10:56" (2/4) ...
[2024-09-15 20:10:56,600 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5290f82f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 08:10:56, skipping insertion in model container
[2024-09-15 20:10:56,600 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:10:56" (3/4) ...
[2024-09-15 20:10:56,600 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5290f82f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 08:10:56, skipping insertion in model container
[2024-09-15 20:10:56,601 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:10:56" (4/4) ...
[2024-09-15 20:10:56,602 INFO  L112   eAbstractionObserver]: Analyzing ICFG gsv2008.i
[2024-09-15 20:10:56,628 INFO  L209   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-09-15 20:10:56,628 INFO  L149   ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2024-09-15 20:10:56,676 INFO  L335      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-09-15 20:10:56,683 INFO  L336      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=None, 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;@4173cbc9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-09-15 20:10:56,683 INFO  L337      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-09-15 20:10:56,686 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 15 states, 10 states have (on average 1.8) internal successors, (18), 14 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-15 20:10:56,691 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2024-09-15 20:10:56,692 INFO  L208           NwaCegarLoop]: Found error trace
[2024-09-15 20:10:56,692 INFO  L216           NwaCegarLoop]: trace histogram [1, 1, 1]
[2024-09-15 20:10:56,693 INFO  L399      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONPRE_CONDITION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] ===
[2024-09-15 20:10:56,697 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-09-15 20:10:56,698 INFO  L85        PathProgramCache]: Analyzing trace with hash 68457, now seen corresponding path program 1 times
[2024-09-15 20:10:56,708 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-15 20:10:56,709 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082280634]
[2024-09-15 20:10:56,709 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-15 20:10:56,709 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-15 20:10:56,801 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-15 20:10:56,882 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-15 20:10:56,882 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-15 20:10:56,882 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082280634]
[2024-09-15 20:10:56,883 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082280634] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-15 20:10:56,883 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-09-15 20:10:56,883 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-09-15 20:10:56,885 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695136393]
[2024-09-15 20:10:56,889 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-15 20:10:56,893 INFO  L551      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-09-15 20:10:56,893 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-15 20:10:56,916 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-09-15 20:10:56,917 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-09-15 20:10:56,918 INFO  L87              Difference]: Start difference. First operand  has 15 states, 10 states have (on average 1.8) internal successors, (18), 14 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-15 20:10:56,947 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-09-15 20:10:56,947 INFO  L93              Difference]: Finished difference Result 18 states and 19 transitions.
[2024-09-15 20:10:56,949 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-09-15 20:10:56,950 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3
[2024-09-15 20:10:56,951 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-09-15 20:10:56,957 INFO  L225             Difference]: With dead ends: 18
[2024-09-15 20:10:56,957 INFO  L226             Difference]: Without dead ends: 15
[2024-09-15 20:10:56,959 INFO  L433           NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-09-15 20:10:56,962 INFO  L434           NwaCegarLoop]: 12 mSDtfsCounter, 2 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-09-15 20:10:56,963 INFO  L435           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 20 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-09-15 20:10:56,977 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 15 states.
[2024-09-15 20:10:56,985 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15.
[2024-09-15 20:10:56,986 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 15 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-15 20:10:56,987 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions.
[2024-09-15 20:10:56,988 INFO  L78                 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 3
[2024-09-15 20:10:56,988 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-09-15 20:10:56,988 INFO  L474      AbstractCegarLoop]: Abstraction has 15 states and 15 transitions.
[2024-09-15 20:10:56,988 INFO  L475      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-15 20:10:56,988 INFO  L276                IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions.
[2024-09-15 20:10:56,989 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2024-09-15 20:10:56,989 INFO  L208           NwaCegarLoop]: Found error trace
[2024-09-15 20:10:56,989 INFO  L216           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2024-09-15 20:10:56,989 WARN  L456      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-09-15 20:10:56,989 INFO  L399      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONPRE_CONDITION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] ===
[2024-09-15 20:10:56,990 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-09-15 20:10:56,990 INFO  L85        PathProgramCache]: Analyzing trace with hash 65788705, now seen corresponding path program 1 times
[2024-09-15 20:10:56,990 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-15 20:10:56,991 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13761616]
[2024-09-15 20:10:56,991 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-15 20:10:56,992 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-15 20:10:57,010 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-15 20:10:57,101 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-15 20:10:57,101 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-15 20:10:57,101 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13761616]
[2024-09-15 20:10:57,102 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13761616] provided 0 perfect and 1 imperfect interpolant sequences
[2024-09-15 20:10:57,102 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050548523]
[2024-09-15 20:10:57,102 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-15 20:10:57,102 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-09-15 20:10:57,103 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3
[2024-09-15 20:10:57,104 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-09-15 20:10:57,106 INFO  L327       MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-09-15 20:10:57,149 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-15 20:10:57,156 INFO  L262         TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-09-15 20:10:57,164 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-09-15 20:10:57,216 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-15 20:10:57,217 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-09-15 20:10:57,268 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-15 20:10:57,269 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1050548523] provided 0 perfect and 2 imperfect interpolant sequences
[2024-09-15 20:10:57,269 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-09-15 20:10:57,270 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4
[2024-09-15 20:10:57,271 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940908691]
[2024-09-15 20:10:57,271 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-09-15 20:10:57,271 INFO  L551      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-09-15 20:10:57,272 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-15 20:10:57,272 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-09-15 20:10:57,274 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-09-15 20:10:57,274 INFO  L87              Difference]: Start difference. First operand 15 states and 15 transitions. Second operand  has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-15 20:10:57,306 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-09-15 20:10:57,307 INFO  L93              Difference]: Finished difference Result 16 states and 17 transitions.
[2024-09-15 20:10:57,307 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-09-15 20:10:57,307 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5
[2024-09-15 20:10:57,308 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-09-15 20:10:57,308 INFO  L225             Difference]: With dead ends: 16
[2024-09-15 20:10:57,308 INFO  L226             Difference]: Without dead ends: 16
[2024-09-15 20:10:57,309 INFO  L433           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-09-15 20:10:57,310 INFO  L434           NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-09-15 20:10:57,311 INFO  L435           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 25 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-09-15 20:10:57,311 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 16 states.
[2024-09-15 20:10:57,313 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14.
[2024-09-15 20:10:57,313 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 14 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-15 20:10:57,313 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions.
[2024-09-15 20:10:57,314 INFO  L78                 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 5
[2024-09-15 20:10:57,314 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-09-15 20:10:57,314 INFO  L474      AbstractCegarLoop]: Abstraction has 14 states and 14 transitions.
[2024-09-15 20:10:57,314 INFO  L475      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-15 20:10:57,314 INFO  L276                IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions.
[2024-09-15 20:10:57,315 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-09-15 20:10:57,315 INFO  L208           NwaCegarLoop]: Found error trace
[2024-09-15 20:10:57,315 INFO  L216           NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1]
[2024-09-15 20:10:57,332 INFO  L540       MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-09-15 20:10:57,519 WARN  L456      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-09-15 20:10:57,520 INFO  L399      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONPRE_CONDITION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONPRE_CONDITION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] ===
[2024-09-15 20:10:57,521 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-09-15 20:10:57,521 INFO  L85        PathProgramCache]: Analyzing trace with hash 1406269551, now seen corresponding path program 1 times
[2024-09-15 20:10:57,521 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-15 20:10:57,521 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048206096]
[2024-09-15 20:10:57,521 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-15 20:10:57,522 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-15 20:10:57,543 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-15 20:10:57,659 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-09-15 20:10:57,659 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-15 20:10:57,659 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048206096]
[2024-09-15 20:10:57,660 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048206096] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-15 20:10:57,660 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-09-15 20:10:57,660 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-09-15 20:10:57,660 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803431143]
[2024-09-15 20:10:57,660 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-15 20:10:57,660 INFO  L551      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-09-15 20:10:57,660 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-15 20:10:57,661 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-09-15 20:10:57,661 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-09-15 20:10:57,661 INFO  L87              Difference]: Start difference. First operand 14 states and 14 transitions. Second operand  has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-15 20:10:57,690 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-09-15 20:10:57,690 INFO  L93              Difference]: Finished difference Result 12 states and 12 transitions.
[2024-09-15 20:10:57,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-09-15 20:10:57,691 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8
[2024-09-15 20:10:57,691 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-09-15 20:10:57,692 INFO  L225             Difference]: With dead ends: 12
[2024-09-15 20:10:57,692 INFO  L226             Difference]: Without dead ends: 11
[2024-09-15 20:10:57,692 INFO  L433           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-09-15 20:10:57,693 INFO  L434           NwaCegarLoop]: 3 mSDtfsCounter, 5 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-09-15 20:10:57,694 INFO  L435           NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 6 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-09-15 20:10:57,695 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11 states.
[2024-09-15 20:10:57,698 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11.
[2024-09-15 20:10:57,698 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-15 20:10:57,700 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions.
[2024-09-15 20:10:57,700 INFO  L78                 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8
[2024-09-15 20:10:57,700 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-09-15 20:10:57,700 INFO  L474      AbstractCegarLoop]: Abstraction has 11 states and 11 transitions.
[2024-09-15 20:10:57,700 INFO  L475      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-15 20:10:57,701 INFO  L276                IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions.
[2024-09-15 20:10:57,701 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-09-15 20:10:57,701 INFO  L208           NwaCegarLoop]: Found error trace
[2024-09-15 20:10:57,701 INFO  L216           NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-09-15 20:10:57,701 WARN  L456      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-09-15 20:10:57,701 INFO  L399      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONPRE_CONDITION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] ===
[2024-09-15 20:10:57,702 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-09-15 20:10:57,702 INFO  L85        PathProgramCache]: Analyzing trace with hash -1489657902, now seen corresponding path program 1 times
[2024-09-15 20:10:57,702 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-15 20:10:57,704 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658824148]
[2024-09-15 20:10:57,704 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-15 20:10:57,704 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-15 20:10:57,722 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-15 20:10:57,844 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-09-15 20:10:57,844 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-15 20:10:57,846 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658824148]
[2024-09-15 20:10:57,846 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658824148] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-15 20:10:57,846 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-09-15 20:10:57,846 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-09-15 20:10:57,846 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500499780]
[2024-09-15 20:10:57,846 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-15 20:10:57,847 INFO  L551      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-09-15 20:10:57,850 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-15 20:10:57,851 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-09-15 20:10:57,851 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-09-15 20:10:57,851 INFO  L87              Difference]: Start difference. First operand 11 states and 11 transitions. Second operand  has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-15 20:10:57,883 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-09-15 20:10:57,884 INFO  L93              Difference]: Finished difference Result 9 states and 9 transitions.
[2024-09-15 20:10:57,884 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-09-15 20:10:57,884 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10
[2024-09-15 20:10:57,884 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-09-15 20:10:57,884 INFO  L225             Difference]: With dead ends: 9
[2024-09-15 20:10:57,884 INFO  L226             Difference]: Without dead ends: 0
[2024-09-15 20:10:57,885 INFO  L433           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-09-15 20:10:57,886 INFO  L434           NwaCegarLoop]: 0 mSDtfsCounter, 2 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-09-15 20:10:57,886 INFO  L435           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 0 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-09-15 20:10:57,891 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-09-15 20:10:57,891 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-09-15 20:10:57,891 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-15 20:10:57,891 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-09-15 20:10:57,892 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10
[2024-09-15 20:10:57,892 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-09-15 20:10:57,892 INFO  L474      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-09-15 20:10:57,892 INFO  L475      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-15 20:10:57,892 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-09-15 20:10:57,893 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-09-15 20:10:57,895 INFO  L785   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining)
[2024-09-15 20:10:57,896 INFO  L785   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONPRE_CONDITION (2 of 4 remaining)
[2024-09-15 20:10:57,896 INFO  L785   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining)
[2024-09-15 20:10:57,896 INFO  L785   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONPOST_CONDITION (0 of 4 remaining)
[2024-09-15 20:10:57,896 WARN  L456      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-09-15 20:10:57,899 INFO  L408         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-09-15 20:10:57,901 INFO  L165   ceAbstractionStarter]: Computing trace abstraction results
[2024-09-15 20:10:57,904 INFO  L469   ceAbstractionStarter]: Automizer considered 1 witness invariants
[2024-09-15 20:10:57,904 INFO  L470   ceAbstractionStarter]: WitnessConsidered=1
[2024-09-15 20:10:57,905 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 08:10:57 BoogieIcfgContainer
[2024-09-15 20:10:57,905 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-09-15 20:10:57,905 INFO  L158              Benchmark]: Toolchain (without parser) took 1903.35ms. Allocated memory is still 75.5MB. Free memory was 38.2MB in the beginning and 27.5MB in the end (delta: 10.8MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB.
[2024-09-15 20:10:57,906 INFO  L158              Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 54.5MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-15 20:10:57,906 INFO  L158              Benchmark]: CDTParser took 0.85ms. Allocated memory is still 54.5MB. Free memory was 33.3MB in the beginning and 33.2MB in the end (delta: 63.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-09-15 20:10:57,906 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 247.73ms. Allocated memory is still 75.5MB. Free memory was 56.0MB in the beginning and 42.6MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-09-15 20:10:57,907 INFO  L158              Benchmark]: Boogie Procedure Inliner took 24.99ms. Allocated memory is still 75.5MB. Free memory was 42.6MB in the beginning and 40.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-09-15 20:10:57,907 INFO  L158              Benchmark]: Boogie Preprocessor took 21.03ms. Allocated memory is still 75.5MB. Free memory was 40.9MB in the beginning and 39.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-09-15 20:10:57,908 INFO  L158              Benchmark]: RCFGBuilder took 284.70ms. Allocated memory is still 75.5MB. Free memory was 39.3MB in the beginning and 29.1MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-09-15 20:10:57,908 INFO  L158              Benchmark]: TraceAbstraction took 1311.67ms. Allocated memory is still 75.5MB. Free memory was 28.4MB in the beginning and 27.5MB in the end (delta: 944.7kB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB.
[2024-09-15 20:10:57,910 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * Witness Parser took 0.19ms. Allocated memory is still 54.5MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 16.1GB.
 * CDTParser took 0.85ms. Allocated memory is still 54.5MB. Free memory was 33.3MB in the beginning and 33.2MB in the end (delta: 63.0kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 247.73ms. Allocated memory is still 75.5MB. Free memory was 56.0MB in the beginning and 42.6MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 24.99ms. Allocated memory is still 75.5MB. Free memory was 42.6MB in the beginning and 40.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 21.03ms. Allocated memory is still 75.5MB. Free memory was 40.9MB in the beginning and 39.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 284.70ms. Allocated memory is still 75.5MB. Free memory was 39.3MB in the beginning and 29.1MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * TraceAbstraction took 1311.67ms. Allocated memory is still 75.5MB. Free memory was 28.4MB in the beginning and 27.5MB in the end (delta: 944.7kB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Line: 29]: invariant of correctness witness holds
    For all program executions holds that invariant of correctness witness holds at this location
  - PositiveResult [Line: 17]: procedure precondition always holds
    For all program executions holds that procedure precondition always holds at this location
  - PositiveResult [Line: 19]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - PositiveResult [Line: 17]: procedure postcondition always holds
    For all program executions holds that procedure postcondition always holds at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 15 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 29 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 72 IncrementalHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 22 mSDtfsCounter, 72 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 106 SizeOfPredicates, 1 NumberOfNonLiveVariables, 31 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 4/7 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    4 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-09-15 20:10:57,935 INFO  L540       MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...