This is Ultimate 0.2.4-dev-1d5fa63-m
[2024-09-13 10:11:44,982 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-09-13 10:11:45,055 INFO  L114        SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-09-13 10:11:45,060 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-09-13 10:11:45,062 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-09-13 10:11:45,084 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-09-13 10:11:45,085 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-09-13 10:11:45,085 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-09-13 10:11:45,086 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-09-13 10:11:45,087 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-09-13 10:11:45,088 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-09-13 10:11:45,088 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-09-13 10:11:45,088 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-09-13 10:11:45,088 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-09-13 10:11:45,089 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-09-13 10:11:45,091 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-09-13 10:11:45,091 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-09-13 10:11:45,091 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-09-13 10:11:45,091 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-09-13 10:11:45,092 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-09-13 10:11:45,092 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-09-13 10:11:45,092 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-09-13 10:11:45,092 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-09-13 10:11:45,093 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-09-13 10:11:45,093 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-09-13 10:11:45,093 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-09-13 10:11:45,093 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-09-13 10:11:45,093 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-09-13 10:11:45,093 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-09-13 10:11:45,093 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-09-13 10:11:45,094 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-09-13 10:11:45,094 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-09-13 10:11:45,094 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-13 10:11:45,094 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-09-13 10:11:45,094 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-09-13 10:11:45,094 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-09-13 10:11:45,095 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-09-13 10:11:45,095 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-09-13 10:11:45,095 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-09-13 10:11:45,095 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-09-13 10:11:45,095 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-09-13 10:11:45,097 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-09-13 10:11:45,097 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None
[2024-09-13 10:11:45,298 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-09-13 10:11:45,319 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-09-13 10:11:45,321 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-09-13 10:11:45,322 INFO  L270        PluginConnector]: Initializing Witness Parser...
[2024-09-13 10:11:45,323 INFO  L274        PluginConnector]: Witness Parser initialized
[2024-09-13 10:11:45,324 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../results/automizer-verification-files/SV-COMP24_unreach-call/n.c11.yml/witness-2.1.yml
[2024-09-13 10:11:45,388 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-09-13 10:11:45,388 INFO  L274        PluginConnector]: CDTParser initialized
[2024-09-13 10:11:45,389 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/loops/n.c11.c
[2024-09-13 10:11:46,544 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-09-13 10:11:46,695 INFO  L384              CDTParser]: Found 1 translation units.
[2024-09-13 10:11:46,696 INFO  L180              CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/n.c11.c
[2024-09-13 10:11:46,701 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/fc1c4617c/d687f36931d344eead1b6acf07799112/FLAG76fd3fc4f
[2024-09-13 10:11:47,115 INFO  L435              CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/fc1c4617c/d687f36931d344eead1b6acf07799112
[2024-09-13 10:11:47,116 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-09-13 10:11:47,117 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-09-13 10:11:47,118 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-09-13 10:11:47,118 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-09-13 10:11:47,122 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-09-13 10:11:47,122 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:11:45" (1/2) ...
[2024-09-13 10:11:47,123 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aeefb87 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:11:47, skipping insertion in model container
[2024-09-13 10:11:47,123 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:11:45" (1/2) ...
[2024-09-13 10:11:47,124 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@190693e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:11:47, skipping insertion in model container
[2024-09-13 10:11:47,124 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:11:47" (2/2) ...
[2024-09-13 10:11:47,124 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aeefb87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:11:47, skipping insertion in model container
[2024-09-13 10:11:47,124 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:11:47" (2/2) ...
[2024-09-13 10:11:47,129 INFO  L93    nessWitnessExtractor]: Found the following entries in the witness:
[2024-09-13 10:11:47,129 INFO  L1541             ArrayList]: Loop invariant at [L21-L29] ((len % 4294967296) < 5)
[2024-09-13 10:11:47,129 INFO  L1541             ArrayList]: Function contract at [L5]: requires (\old(cond) != 0), ensures (\old(cond) != 0)
[2024-09-13 10:11:47,144 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-09-13 10:11:47,255 WARN  L247   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/n.c11.c[317,330]
[2024-09-13 10:11:47,268 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-09-13 10:11:47,274 INFO  L200         MainTranslator]: Completed pre-run
Start Parsing Global
Start Parsing Global
[2024-09-13 10:11:47,299 WARN  L247   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/n.c11.c[317,330]
Start Parsing Local
[2024-09-13 10:11:47,302 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-09-13 10:11:47,313 INFO  L204         MainTranslator]: Completed translation
[2024-09-13 10:11:47,314 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:11:47 WrapperNode
[2024-09-13 10:11:47,314 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-09-13 10:11:47,317 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-09-13 10:11:47,318 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-09-13 10:11:47,318 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-09-13 10:11:47,332 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:11:47" (1/1) ...
[2024-09-13 10:11:47,341 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:11:47" (1/1) ...
[2024-09-13 10:11:47,357 INFO  L138                Inliner]: procedures = 13, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43
[2024-09-13 10:11:47,357 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-09-13 10:11:47,358 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-09-13 10:11:47,358 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-09-13 10:11:47,358 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-09-13 10:11:47,365 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:11:47" (1/1) ...
[2024-09-13 10:11:47,366 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:11:47" (1/1) ...
[2024-09-13 10:11:47,370 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:11:47" (1/1) ...
[2024-09-13 10:11:47,382 INFO  L175           MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0].
[2024-09-13 10:11:47,384 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:11:47" (1/1) ...
[2024-09-13 10:11:47,384 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:11:47" (1/1) ...
[2024-09-13 10:11:47,386 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:11:47" (1/1) ...
[2024-09-13 10:11:47,390 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:11:47" (1/1) ...
[2024-09-13 10:11:47,391 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:11:47" (1/1) ...
[2024-09-13 10:11:47,392 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:11:47" (1/1) ...
[2024-09-13 10:11:47,393 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-09-13 10:11:47,394 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-09-13 10:11:47,395 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-09-13 10:11:47,395 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-09-13 10:11:47,396 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:11:47" (1/1) ...
[2024-09-13 10:11:47,400 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-13 10:11:47,406 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3
[2024-09-13 10:11:47,419 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)
[2024-09-13 10:11:47,421 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
[2024-09-13 10:11:47,459 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-09-13 10:11:47,459 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-09-13 10:11:47,459 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-09-13 10:11:47,459 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-09-13 10:11:47,460 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-09-13 10:11:47,509 INFO  L242             CfgBuilder]: Building ICFG
[2024-09-13 10:11:47,511 INFO  L268             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-09-13 10:11:47,622 INFO  L?                        ?]: Removed 8 outVars from TransFormulas that were not future-live.
[2024-09-13 10:11:47,622 INFO  L291             CfgBuilder]: Performing block encoding
[2024-09-13 10:11:47,649 INFO  L313             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-09-13 10:11:47,649 INFO  L318             CfgBuilder]: Removed 1 assume(true) statements.
[2024-09-13 10:11:47,650 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:11:47 BoogieIcfgContainer
[2024-09-13 10:11:47,650 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-09-13 10:11:47,652 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-09-13 10:11:47,652 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-09-13 10:11:47,655 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-09-13 10:11:47,655 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:11:45" (1/4) ...
[2024-09-13 10:11:47,656 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d57f10f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 13.09 10:11:47, skipping insertion in model container
[2024-09-13 10:11:47,657 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.09 10:11:47" (2/4) ...
[2024-09-13 10:11:47,657 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d57f10f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.09 10:11:47, skipping insertion in model container
[2024-09-13 10:11:47,657 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:11:47" (3/4) ...
[2024-09-13 10:11:47,658 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d57f10f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.09 10:11:47, skipping insertion in model container
[2024-09-13 10:11:47,658 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:11:47" (4/4) ...
[2024-09-13 10:11:47,659 INFO  L112   eAbstractionObserver]: Analyzing ICFG n.c11.c
[2024-09-13 10:11:47,675 INFO  L209   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-09-13 10:11:47,675 INFO  L149   ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2024-09-13 10:11:47,714 INFO  L335      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-09-13 10:11:47,720 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;@6e492584, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-09-13 10:11:47,720 INFO  L337      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-09-13 10:11:47,723 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 16 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 15 states have internal predecessors, (19), 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)
[2024-09-13 10:11:47,727 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3
[2024-09-13 10:11:47,728 INFO  L208           NwaCegarLoop]: Found error trace
[2024-09-13 10:11:47,728 INFO  L216           NwaCegarLoop]: trace histogram [1, 1]
[2024-09-13 10:11:47,729 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)] ===
[2024-09-13 10:11:47,735 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-09-13 10:11:47,736 INFO  L85        PathProgramCache]: Analyzing trace with hash 2329, now seen corresponding path program 1 times
[2024-09-13 10:11:47,742 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-13 10:11:47,743 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443617501]
[2024-09-13 10:11:47,743 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-13 10:11:47,744 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-13 10:11:47,829 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-13 10:11:47,898 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-13 10:11:47,899 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-13 10:11:47,900 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443617501]
[2024-09-13 10:11:47,900 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443617501] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-13 10:11:47,900 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-09-13 10:11:47,900 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-09-13 10:11:47,902 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621353370]
[2024-09-13 10:11:47,902 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-13 10:11:47,905 INFO  L551      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-09-13 10:11:47,906 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-13 10:11:47,954 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-09-13 10:11:47,955 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-09-13 10:11:47,957 INFO  L87              Difference]: Start difference. First operand  has 16 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 15 states have internal predecessors, (19), 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 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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)
[2024-09-13 10:11:48,000 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-09-13 10:11:48,000 INFO  L93              Difference]: Finished difference Result 22 states and 24 transitions.
[2024-09-13 10:11:48,001 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-09-13 10:11:48,002 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2
[2024-09-13 10:11:48,002 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-09-13 10:11:48,006 INFO  L225             Difference]: With dead ends: 22
[2024-09-13 10:11:48,007 INFO  L226             Difference]: Without dead ends: 21
[2024-09-13 10:11:48,008 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
[2024-09-13 10:11:48,010 INFO  L434           NwaCegarLoop]: 11 mSDtfsCounter, 5 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-09-13 10:11:48,011 INFO  L435           NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 20 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-09-13 10:11:48,022 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 21 states.
[2024-09-13 10:11:48,028 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19.
[2024-09-13 10:11:48,028 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 19 states, 15 states have (on average 1.4) internal successors, (21), 18 states have internal predecessors, (21), 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)
[2024-09-13 10:11:48,029 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions.
[2024-09-13 10:11:48,029 INFO  L78                 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 2
[2024-09-13 10:11:48,030 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-09-13 10:11:48,030 INFO  L474      AbstractCegarLoop]: Abstraction has 19 states and 21 transitions.
[2024-09-13 10:11:48,030 INFO  L475      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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)
[2024-09-13 10:11:48,030 INFO  L276                IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions.
[2024-09-13 10:11:48,030 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2024-09-13 10:11:48,030 INFO  L208           NwaCegarLoop]: Found error trace
[2024-09-13 10:11:48,031 INFO  L216           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-09-13 10:11:48,031 WARN  L456      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-09-13 10:11:48,031 INFO  L399      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONPRE_CONDITION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONPRE_CONDITION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] ===
[2024-09-13 10:11:48,031 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-09-13 10:11:48,032 INFO  L85        PathProgramCache]: Analyzing trace with hash -2142882914, now seen corresponding path program 1 times
[2024-09-13 10:11:48,032 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-13 10:11:48,032 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615063019]
[2024-09-13 10:11:48,032 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-13 10:11:48,032 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-13 10:11:48,046 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-13 10:11:48,139 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-13 10:11:48,140 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-13 10:11:48,140 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615063019]
[2024-09-13 10:11:48,140 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615063019] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-13 10:11:48,140 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-09-13 10:11:48,140 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-09-13 10:11:48,140 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328190773]
[2024-09-13 10:11:48,140 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-13 10:11:48,141 INFO  L551      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-09-13 10:11:48,141 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-13 10:11:48,142 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-09-13 10:11:48,142 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-09-13 10:11:48,142 INFO  L87              Difference]: Start difference. First operand 19 states and 21 transitions. Second operand  has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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)
[2024-09-13 10:11:48,174 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-09-13 10:11:48,174 INFO  L93              Difference]: Finished difference Result 17 states and 19 transitions.
[2024-09-13 10:11:48,174 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-09-13 10:11:48,174 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 6
[2024-09-13 10:11:48,174 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-09-13 10:11:48,175 INFO  L225             Difference]: With dead ends: 17
[2024-09-13 10:11:48,175 INFO  L226             Difference]: Without dead ends: 16
[2024-09-13 10:11:48,175 INFO  L433           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-09-13 10:11:48,176 INFO  L434           NwaCegarLoop]: 7 mSDtfsCounter, 6 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-09-13 10:11:48,176 INFO  L435           NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 14 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-09-13 10:11:48,177 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 16 states.
[2024-09-13 10:11:48,178 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16.
[2024-09-13 10:11:48,178 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 16 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 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)
[2024-09-13 10:11:48,179 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions.
[2024-09-13 10:11:48,179 INFO  L78                 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 6
[2024-09-13 10:11:48,180 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-09-13 10:11:48,180 INFO  L474      AbstractCegarLoop]: Abstraction has 16 states and 18 transitions.
[2024-09-13 10:11:48,180 INFO  L475      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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)
[2024-09-13 10:11:48,180 INFO  L276                IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions.
[2024-09-13 10:11:48,181 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2024-09-13 10:11:48,181 INFO  L208           NwaCegarLoop]: Found error trace
[2024-09-13 10:11:48,181 INFO  L216           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-09-13 10:11:48,181 WARN  L456      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-09-13 10:11:48,182 INFO  L399      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONPRE_CONDITION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] ===
[2024-09-13 10:11:48,182 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-09-13 10:11:48,182 INFO  L85        PathProgramCache]: Analyzing trace with hash -2004807229, now seen corresponding path program 1 times
[2024-09-13 10:11:48,183 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-13 10:11:48,183 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145171648]
[2024-09-13 10:11:48,183 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-13 10:11:48,184 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-13 10:11:48,198 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-13 10:11:48,287 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-13 10:11:48,287 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-13 10:11:48,287 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145171648]
[2024-09-13 10:11:48,287 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145171648] provided 0 perfect and 1 imperfect interpolant sequences
[2024-09-13 10:11:48,287 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826411593]
[2024-09-13 10:11:48,287 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-13 10:11:48,288 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-09-13 10:11:48,288 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3
[2024-09-13 10:11:48,290 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)
[2024-09-13 10:11:48,292 INFO  L327       MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-09-13 10:11:48,344 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-13 10:11:48,346 INFO  L262         TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-09-13 10:11:48,349 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-09-13 10:11:48,380 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-13 10:11:48,380 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-09-13 10:11:48,418 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-13 10:11:48,419 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [826411593] provided 0 perfect and 2 imperfect interpolant sequences
[2024-09-13 10:11:48,419 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-09-13 10:11:48,419 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 5
[2024-09-13 10:11:48,419 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81353129]
[2024-09-13 10:11:48,419 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-09-13 10:11:48,419 INFO  L551      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-09-13 10:11:48,420 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-13 10:11:48,420 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-09-13 10:11:48,420 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42
[2024-09-13 10:11:48,420 INFO  L87              Difference]: Start difference. First operand 16 states and 18 transitions. Second operand  has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 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)
[2024-09-13 10:11:48,469 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-09-13 10:11:48,469 INFO  L93              Difference]: Finished difference Result 28 states and 32 transitions.
[2024-09-13 10:11:48,469 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-09-13 10:11:48,470 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 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 7
[2024-09-13 10:11:48,470 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-09-13 10:11:48,471 INFO  L225             Difference]: With dead ends: 28
[2024-09-13 10:11:48,471 INFO  L226             Difference]: Without dead ends: 28
[2024-09-13 10:11:48,471 INFO  L433           NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56
[2024-09-13 10:11:48,473 INFO  L434           NwaCegarLoop]: 9 mSDtfsCounter, 19 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-09-13 10:11:48,474 INFO  L435           NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 27 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-09-13 10:11:48,474 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 28 states.
[2024-09-13 10:11:48,476 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25.
[2024-09-13 10:11:48,476 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 25 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 24 states have internal predecessors, (29), 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)
[2024-09-13 10:11:48,477 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions.
[2024-09-13 10:11:48,477 INFO  L78                 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 7
[2024-09-13 10:11:48,477 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-09-13 10:11:48,477 INFO  L474      AbstractCegarLoop]: Abstraction has 25 states and 29 transitions.
[2024-09-13 10:11:48,477 INFO  L475      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 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)
[2024-09-13 10:11:48,477 INFO  L276                IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions.
[2024-09-13 10:11:48,478 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-09-13 10:11:48,478 INFO  L208           NwaCegarLoop]: Found error trace
[2024-09-13 10:11:48,478 INFO  L216           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-09-13 10:11:48,491 INFO  L540       MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-09-13 10:11:48,678 WARN  L456      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-09-13 10:11:48,679 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)] ===
[2024-09-13 10:11:48,680 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-09-13 10:11:48,680 INFO  L85        PathProgramCache]: Analyzing trace with hash -2021143647, now seen corresponding path program 1 times
[2024-09-13 10:11:48,680 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-13 10:11:48,680 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75732028]
[2024-09-13 10:11:48,680 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-13 10:11:48,680 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-13 10:11:48,689 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-13 10:11:48,706 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-13 10:11:48,706 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-13 10:11:48,707 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75732028]
[2024-09-13 10:11:48,707 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75732028] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-13 10:11:48,707 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-09-13 10:11:48,707 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-09-13 10:11:48,707 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905497477]
[2024-09-13 10:11:48,707 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-13 10:11:48,707 INFO  L551      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-09-13 10:11:48,707 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-13 10:11:48,708 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-09-13 10:11:48,708 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-09-13 10:11:48,708 INFO  L87              Difference]: Start difference. First operand 25 states and 29 transitions. Second operand  has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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)
[2024-09-13 10:11:48,710 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-09-13 10:11:48,711 INFO  L93              Difference]: Finished difference Result 23 states and 27 transitions.
[2024-09-13 10:11:48,711 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-09-13 10:11:48,711 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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
[2024-09-13 10:11:48,711 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-09-13 10:11:48,711 INFO  L225             Difference]: With dead ends: 23
[2024-09-13 10:11:48,711 INFO  L226             Difference]: Without dead ends: 0
[2024-09-13 10:11:48,711 INFO  L433           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-09-13 10:11:48,712 INFO  L434           NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-09-13 10:11:48,712 INFO  L435           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-09-13 10:11:48,713 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-09-13 10:11:48,713 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-09-13 10:11:48,713 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)
[2024-09-13 10:11:48,713 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-09-13 10:11:48,713 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8
[2024-09-13 10:11:48,713 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-09-13 10:11:48,713 INFO  L474      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-09-13 10:11:48,713 INFO  L475      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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)
[2024-09-13 10:11:48,713 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-09-13 10:11:48,714 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-09-13 10:11:48,716 INFO  L785   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining)
[2024-09-13 10:11:48,716 INFO  L785   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONPRE_CONDITION (2 of 4 remaining)
[2024-09-13 10:11:48,716 INFO  L785   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining)
[2024-09-13 10:11:48,716 INFO  L785   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONPOST_CONDITION (0 of 4 remaining)
[2024-09-13 10:11:48,717 WARN  L456      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-09-13 10:11:48,719 INFO  L408         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-09-13 10:11:48,720 INFO  L165   ceAbstractionStarter]: Computing trace abstraction results
[2024-09-13 10:11:48,722 INFO  L469   ceAbstractionStarter]: Automizer considered 1 witness invariants
[2024-09-13 10:11:48,722 INFO  L470   ceAbstractionStarter]: WitnessConsidered=1
[2024-09-13 10:11:48,722 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.09 10:11:48 BoogieIcfgContainer
[2024-09-13 10:11:48,722 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-09-13 10:11:48,723 INFO  L158              Benchmark]: Toolchain (without parser) took 1606.28ms. Allocated memory is still 188.7MB. Free memory was 117.1MB in the beginning and 115.4MB in the end (delta: 1.7MB). Peak memory consumption was 885.6kB. Max. memory is 16.1GB.
[2024-09-13 10:11:48,723 INFO  L158              Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 115.3MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-13 10:11:48,723 INFO  L158              Benchmark]: CDTParser took 0.13ms. Allocated memory is still 188.7MB. Free memory is still 162.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-13 10:11:48,724 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 196.43ms. Allocated memory is still 188.7MB. Free memory was 116.9MB in the beginning and 103.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-09-13 10:11:48,724 INFO  L158              Benchmark]: Boogie Procedure Inliner took 39.96ms. Allocated memory is still 188.7MB. Free memory was 103.8MB in the beginning and 159.5MB in the end (delta: -55.7MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB.
[2024-09-13 10:11:48,724 INFO  L158              Benchmark]: Boogie Preprocessor took 35.90ms. Allocated memory is still 188.7MB. Free memory was 159.5MB in the beginning and 157.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-09-13 10:11:48,724 INFO  L158              Benchmark]: RCFGBuilder took 255.42ms. Allocated memory is still 188.7MB. Free memory was 157.8MB in the beginning and 146.0MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-09-13 10:11:48,725 INFO  L158              Benchmark]: TraceAbstraction took 1070.53ms. Allocated memory is still 188.7MB. Free memory was 145.2MB in the beginning and 115.4MB in the end (delta: 29.8MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB.
[2024-09-13 10:11:48,726 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 0.15ms. Allocated memory is still 115.3MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB.
 * CDTParser took 0.13ms. Allocated memory is still 188.7MB. Free memory is still 162.9MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 196.43ms. Allocated memory is still 188.7MB. Free memory was 116.9MB in the beginning and 103.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 39.96ms. Allocated memory is still 188.7MB. Free memory was 103.8MB in the beginning and 159.5MB in the end (delta: -55.7MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 35.90ms. Allocated memory is still 188.7MB. Free memory was 159.5MB in the beginning and 157.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 255.42ms. Allocated memory is still 188.7MB. Free memory was 157.8MB in the beginning and 146.0MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * TraceAbstraction took 1070.53ms. Allocated memory is still 188.7MB. Free memory was 145.2MB in the beginning and 115.4MB in the end (delta: 29.8MB). Peak memory consumption was 27.1MB. 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: 21]: invariant of correctness witness holds
    For all program executions holds that invariant of correctness witness holds at this location
  - PositiveResult [Line: 5]: procedure precondition always holds
    For all program executions holds that procedure precondition always holds at this location
  - PositiveResult [Line: 7]: 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: 5]: 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, 16 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 78 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 42 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 58 IncrementalHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 36 mSDtfsCounter, 58 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=3, InterpolantAutomatonStates: 16, 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, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 127 SizeOfPredicates, 0 NumberOfNonLiveVariables, 49 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 0/3 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!
[2024-09-13 10:11:48,759 INFO  L552       MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...