This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m
[2024-09-20 13:30:05,913 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-09-20 13:30:05,973 INFO  L114        SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-09-20 13:30:05,979 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-09-20 13:30:05,979 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-09-20 13:30:05,996 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-09-20 13:30:05,997 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-09-20 13:30:05,997 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-09-20 13:30:05,998 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-09-20 13:30:06,001 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-09-20 13:30:06,001 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-09-20 13:30:06,001 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-09-20 13:30:06,002 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-09-20 13:30:06,002 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-09-20 13:30:06,002 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-09-20 13:30:06,002 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-09-20 13:30:06,002 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-09-20 13:30:06,003 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-09-20 13:30:06,003 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-09-20 13:30:06,003 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-09-20 13:30:06,003 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-09-20 13:30:06,004 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-09-20 13:30:06,004 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-09-20 13:30:06,004 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-09-20 13:30:06,004 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-09-20 13:30:06,005 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-09-20 13:30:06,005 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-09-20 13:30:06,005 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-09-20 13:30:06,006 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-09-20 13:30:06,007 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-09-20 13:30:06,007 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-09-20 13:30:06,007 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-09-20 13:30:06,008 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-20 13:30:06,008 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-09-20 13:30:06,008 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-09-20 13:30:06,008 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-09-20 13:30:06,008 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-09-20 13:30:06,008 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-09-20 13:30:06,009 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-09-20 13:30:06,009 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-09-20 13:30:06,009 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-09-20 13:30:06,011 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-09-20 13:30:06,011 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None
[2024-09-20 13:30:06,180 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-09-20 13:30:06,222 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-09-20 13:30:06,225 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-09-20 13:30:06,226 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-09-20 13:30:06,226 INFO  L274        PluginConnector]: CDTParser initialized
[2024-09-20 13:30:06,228 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/loops/trex01-2.i
[2024-09-20 13:30:07,466 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-09-20 13:30:07,602 INFO  L384              CDTParser]: Found 1 translation units.
[2024-09-20 13:30:07,603 INFO  L180              CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/trex01-2.i
[2024-09-20 13:30:07,608 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/3f7c66809/da01cd85201043aaadb7837302625d88/FLAGbf1bd942f
[2024-09-20 13:30:07,618 INFO  L435              CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/3f7c66809/da01cd85201043aaadb7837302625d88
[2024-09-20 13:30:07,620 INFO  L270        PluginConnector]: Initializing Witness Parser...
[2024-09-20 13:30:07,620 INFO  L274        PluginConnector]: Witness Parser initialized
[2024-09-20 13:30:07,622 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../results/automizer-verification-files/SV-COMP24_unreach-call/trex01-2.yml/witness-2.1.yml
[2024-09-20 13:30:07,659 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-09-20 13:30:07,661 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-09-20 13:30:07,663 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-09-20 13:30:07,663 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-09-20 13:30:07,667 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-09-20 13:30:07,667 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:30:07" (1/2) ...
[2024-09-20 13:30:07,669 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@333df7f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:07, skipping insertion in model container
[2024-09-20 13:30:07,669 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:30:07" (1/2) ...
[2024-09-20 13:30:07,670 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@62cf3725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:07, skipping insertion in model container
[2024-09-20 13:30:07,671 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:30:07" (2/2) ...
[2024-09-20 13:30:07,671 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@333df7f9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:30:07, skipping insertion in model container
[2024-09-20 13:30:07,671 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:30:07" (2/2) ...
[2024-09-20 13:30:07,677 INFO  L93    nessWitnessExtractor]: Found the following entries in the witness:
[2024-09-20 13:30:07,678 INFO  L1541             ArrayList]: Loop invariant at [L30-L30] (0 < z)
[2024-09-20 13:30:07,679 INFO  L1541             ArrayList]: Function contract at [L17]: requires (\old(cond) != 0), ensures (\old(cond) != 0)
[2024-09-20 13:30:07,694 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-09-20 13:30:07,800 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/loops/trex01-2.i[895,908]
[2024-09-20 13:30:07,811 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-09-20 13:30:07,825 INFO  L200         MainTranslator]: Completed pre-run
Start Parsing Global
Start Parsing Global
[2024-09-20 13:30:07,889 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/loops/trex01-2.i[895,908]
Start Parsing Local
[2024-09-20 13:30:07,895 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-09-20 13:30:07,921 INFO  L204         MainTranslator]: Completed translation
[2024-09-20 13:30:07,922 INFO  L201        PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:30:07 WrapperNode
[2024-09-20 13:30:07,922 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-09-20 13:30:07,924 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-09-20 13:30:07,924 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-09-20 13:30:07,924 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-09-20 13:30:07,929 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:30:07" (1/1) ...
[2024-09-20 13:30:07,934 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:30:07" (1/1) ...
[2024-09-20 13:30:07,951 INFO  L138                Inliner]: procedures = 18, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72
[2024-09-20 13:30:07,952 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-09-20 13:30:07,953 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-09-20 13:30:07,953 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-09-20 13:30:07,953 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-09-20 13:30:07,961 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:30:07" (1/1) ...
[2024-09-20 13:30:07,962 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:30:07" (1/1) ...
[2024-09-20 13:30:07,966 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:30:07" (1/1) ...
[2024-09-20 13:30:07,978 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].
[2024-09-20 13:30:07,978 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:30:07" (1/1) ...
[2024-09-20 13:30:07,978 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:30:07" (1/1) ...
[2024-09-20 13:30:07,980 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:30:07" (1/1) ...
[2024-09-20 13:30:07,983 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:30:07" (1/1) ...
[2024-09-20 13:30:07,983 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:30:07" (1/1) ...
[2024-09-20 13:30:07,984 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:30:07" (1/1) ...
[2024-09-20 13:30:07,986 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-09-20 13:30:07,990 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-09-20 13:30:07,990 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-09-20 13:30:07,990 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-09-20 13:30:07,990 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:30:07" (1/1) ...
[2024-09-20 13:30:07,998 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-20 13:30:08,004 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3
[2024-09-20 13:30:08,017 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)
[2024-09-20 13:30:08,018 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
[2024-09-20 13:30:08,051 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-09-20 13:30:08,052 INFO  L130     BoogieDeclarations]: Found specification of procedure f
[2024-09-20 13:30:08,052 INFO  L138     BoogieDeclarations]: Found implementation of procedure f
[2024-09-20 13:30:08,052 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-09-20 13:30:08,052 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-09-20 13:30:08,052 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-09-20 13:30:08,103 INFO  L242             CfgBuilder]: Building ICFG
[2024-09-20 13:30:08,104 INFO  L268             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-09-20 13:30:08,222 INFO  L?                        ?]: Removed 18 outVars from TransFormulas that were not future-live.
[2024-09-20 13:30:08,222 INFO  L291             CfgBuilder]: Performing block encoding
[2024-09-20 13:30:08,248 INFO  L313             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-09-20 13:30:08,248 INFO  L318             CfgBuilder]: Removed 2 assume(true) statements.
[2024-09-20 13:30:08,248 INFO  L201        PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:30:08 BoogieIcfgContainer
[2024-09-20 13:30:08,248 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-09-20 13:30:08,250 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-09-20 13:30:08,250 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-09-20 13:30:08,254 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-09-20 13:30:08,254 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:30:07" (1/4) ...
[2024-09-20 13:30:08,255 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dd0dd4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:30:08, skipping insertion in model container
[2024-09-20 13:30:08,256 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:30:07" (2/4) ...
[2024-09-20 13:30:08,256 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dd0dd4d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 20.09 01:30:08, skipping insertion in model container
[2024-09-20 13:30:08,257 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:30:07" (3/4) ...
[2024-09-20 13:30:08,257 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dd0dd4d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 20.09 01:30:08, skipping insertion in model container
[2024-09-20 13:30:08,257 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:30:08" (4/4) ...
[2024-09-20 13:30:08,258 INFO  L112   eAbstractionObserver]: Analyzing ICFG trex01-2.i
[2024-09-20 13:30:08,274 INFO  L209   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-09-20 13:30:08,274 INFO  L149   ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2024-09-20 13:30:08,316 INFO  L335      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-09-20 13:30:08,323 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;@404990fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-09-20 13:30:08,323 INFO  L337      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-09-20 13:30:08,326 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 27 states, 19 states have (on average 1.7894736842105263) internal successors, (34), 24 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2024-09-20 13:30:08,331 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2024-09-20 13:30:08,331 INFO  L208           NwaCegarLoop]: Found error trace
[2024-09-20 13:30:08,332 INFO  L216           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-09-20 13:30:08,332 INFO  L399      AbstractCegarLoop]: === Iteration 1 === Targeting fErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [fErr0ASSERT_VIOLATIONWITNESS_INVARIANT, fErr1ASSERT_VIOLATIONPRE_CONDITION, fErr2ASSERT_VIOLATIONERROR_FUNCTION, fErr3ASSERT_VIOLATIONPOST_CONDITION] ===
[2024-09-20 13:30:08,336 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-09-20 13:30:08,336 INFO  L85        PathProgramCache]: Analyzing trace with hash -759043553, now seen corresponding path program 1 times
[2024-09-20 13:30:08,342 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-20 13:30:08,343 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803772639]
[2024-09-20 13:30:08,343 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-20 13:30:08,343 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-20 13:30:08,413 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-20 13:30:08,501 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-20 13:30:08,502 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-20 13:30:08,502 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803772639]
[2024-09-20 13:30:08,503 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803772639] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-20 13:30:08,503 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-09-20 13:30:08,503 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-09-20 13:30:08,510 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115080040]
[2024-09-20 13:30:08,510 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-20 13:30:08,514 INFO  L551      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-09-20 13:30:08,526 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-20 13:30:08,552 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-09-20 13:30:08,553 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-09-20 13:30:08,554 INFO  L87              Difference]: Start difference. First operand  has 27 states, 19 states have (on average 1.7894736842105263) internal successors, (34), 24 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Second operand  has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-20 13:30:08,585 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-09-20 13:30:08,585 INFO  L93              Difference]: Finished difference Result 45 states and 60 transitions.
[2024-09-20 13:30:08,586 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-09-20 13:30:08,588 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2024-09-20 13:30:08,588 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-09-20 13:30:08,593 INFO  L225             Difference]: With dead ends: 45
[2024-09-20 13:30:08,593 INFO  L226             Difference]: Without dead ends: 27
[2024-09-20 13:30:08,594 INFO  L433           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-09-20 13:30:08,596 INFO  L434           NwaCegarLoop]: 29 mSDtfsCounter, 22 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-09-20 13:30:08,597 INFO  L435           NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 53 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-09-20 13:30:08,610 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 27 states.
[2024-09-20 13:30:08,620 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 18.
[2024-09-20 13:30:08,621 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 18 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 16 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-20 13:30:08,622 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions.
[2024-09-20 13:30:08,623 INFO  L78                 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 6
[2024-09-20 13:30:08,624 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-09-20 13:30:08,624 INFO  L474      AbstractCegarLoop]: Abstraction has 18 states and 19 transitions.
[2024-09-20 13:30:08,624 INFO  L475      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-20 13:30:08,624 INFO  L276                IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions.
[2024-09-20 13:30:08,624 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-09-20 13:30:08,624 INFO  L208           NwaCegarLoop]: Found error trace
[2024-09-20 13:30:08,625 INFO  L216           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-09-20 13:30:08,625 WARN  L456      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-09-20 13:30:08,625 INFO  L399      AbstractCegarLoop]: === Iteration 2 === Targeting fErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [fErr0ASSERT_VIOLATIONWITNESS_INVARIANT, fErr1ASSERT_VIOLATIONPRE_CONDITION, fErr2ASSERT_VIOLATIONERROR_FUNCTION, fErr3ASSERT_VIOLATIONPOST_CONDITION] ===
[2024-09-20 13:30:08,625 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-09-20 13:30:08,625 INFO  L85        PathProgramCache]: Analyzing trace with hash 703587351, now seen corresponding path program 1 times
[2024-09-20 13:30:08,626 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-20 13:30:08,626 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237522351]
[2024-09-20 13:30:08,626 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-20 13:30:08,626 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-20 13:30:08,644 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-20 13:30:08,716 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-20 13:30:08,716 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-20 13:30:08,717 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237522351]
[2024-09-20 13:30:08,717 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237522351] provided 0 perfect and 1 imperfect interpolant sequences
[2024-09-20 13:30:08,717 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175906582]
[2024-09-20 13:30:08,717 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-20 13:30:08,717 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-09-20 13:30:08,717 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3
[2024-09-20 13:30:08,719 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)
[2024-09-20 13:30:08,719 INFO  L327       MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-09-20 13:30:08,762 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-20 13:30:08,764 INFO  L262         TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-09-20 13:30:08,767 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-09-20 13:30:08,801 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-20 13:30:08,801 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-09-20 13:30:08,801 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [175906582] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-20 13:30:08,802 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-09-20 13:30:08,802 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4
[2024-09-20 13:30:08,803 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907966162]
[2024-09-20 13:30:08,803 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-20 13:30:08,803 INFO  L551      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-09-20 13:30:08,804 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-20 13:30:08,804 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-09-20 13:30:08,805 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-09-20 13:30:08,805 INFO  L87              Difference]: Start difference. First operand 18 states and 19 transitions. Second operand  has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-20 13:30:08,831 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-09-20 13:30:08,832 INFO  L93              Difference]: Finished difference Result 26 states and 27 transitions.
[2024-09-20 13:30:08,833 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-09-20 13:30:08,833 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8
[2024-09-20 13:30:08,833 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-09-20 13:30:08,833 INFO  L225             Difference]: With dead ends: 26
[2024-09-20 13:30:08,834 INFO  L226             Difference]: Without dead ends: 26
[2024-09-20 13:30:08,834 INFO  L433           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-09-20 13:30:08,835 INFO  L434           NwaCegarLoop]: 18 mSDtfsCounter, 18 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-09-20 13:30:08,835 INFO  L435           NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 33 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-09-20 13:30:08,837 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2024-09-20 13:30:08,839 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 16.
[2024-09-20 13:30:08,840 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 16 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 14 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-20 13:30:08,840 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions.
[2024-09-20 13:30:08,840 INFO  L78                 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 8
[2024-09-20 13:30:08,840 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-09-20 13:30:08,841 INFO  L474      AbstractCegarLoop]: Abstraction has 16 states and 17 transitions.
[2024-09-20 13:30:08,841 INFO  L475      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-20 13:30:08,841 INFO  L276                IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions.
[2024-09-20 13:30:08,841 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-09-20 13:30:08,841 INFO  L208           NwaCegarLoop]: Found error trace
[2024-09-20 13:30:08,841 INFO  L216           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-09-20 13:30:08,854 INFO  L552       MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-09-20 13:30:09,042 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
[2024-09-20 13:30:09,043 INFO  L399      AbstractCegarLoop]: === Iteration 3 === Targeting fErr1ASSERT_VIOLATIONPRE_CONDITION === [fErr0ASSERT_VIOLATIONWITNESS_INVARIANT, fErr1ASSERT_VIOLATIONPRE_CONDITION, fErr2ASSERT_VIOLATIONERROR_FUNCTION, fErr3ASSERT_VIOLATIONPOST_CONDITION] ===
[2024-09-20 13:30:09,043 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-09-20 13:30:09,043 INFO  L85        PathProgramCache]: Analyzing trace with hash 336369903, now seen corresponding path program 1 times
[2024-09-20 13:30:09,043 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-20 13:30:09,044 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490053628]
[2024-09-20 13:30:09,044 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-20 13:30:09,044 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-20 13:30:09,057 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-20 13:30:09,137 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-20 13:30:09,137 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-20 13:30:09,137 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490053628]
[2024-09-20 13:30:09,138 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490053628] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-20 13:30:09,138 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-09-20 13:30:09,138 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-09-20 13:30:09,138 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210436385]
[2024-09-20 13:30:09,138 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-20 13:30:09,138 INFO  L551      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-09-20 13:30:09,139 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-20 13:30:09,139 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-09-20 13:30:09,139 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-09-20 13:30:09,139 INFO  L87              Difference]: Start difference. First operand 16 states and 17 transitions. Second operand  has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-20 13:30:09,162 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-09-20 13:30:09,162 INFO  L93              Difference]: Finished difference Result 14 states and 15 transitions.
[2024-09-20 13:30:09,163 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-09-20 13:30:09,163 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9
[2024-09-20 13:30:09,163 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-09-20 13:30:09,163 INFO  L225             Difference]: With dead ends: 14
[2024-09-20 13:30:09,163 INFO  L226             Difference]: Without dead ends: 13
[2024-09-20 13:30:09,164 INFO  L433           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-09-20 13:30:09,166 INFO  L434           NwaCegarLoop]: 9 mSDtfsCounter, 9 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-09-20 13:30:09,167 INFO  L435           NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 19 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-09-20 13:30:09,168 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 13 states.
[2024-09-20 13:30:09,169 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13.
[2024-09-20 13:30:09,170 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 13 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-20 13:30:09,170 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions.
[2024-09-20 13:30:09,170 INFO  L78                 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9
[2024-09-20 13:30:09,170 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-09-20 13:30:09,171 INFO  L474      AbstractCegarLoop]: Abstraction has 13 states and 14 transitions.
[2024-09-20 13:30:09,171 INFO  L475      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-20 13:30:09,171 INFO  L276                IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions.
[2024-09-20 13:30:09,171 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-09-20 13:30:09,171 INFO  L208           NwaCegarLoop]: Found error trace
[2024-09-20 13:30:09,171 INFO  L216           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-09-20 13:30:09,171 WARN  L456      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-09-20 13:30:09,172 INFO  L399      AbstractCegarLoop]: === Iteration 4 === Targeting fErr2ASSERT_VIOLATIONERROR_FUNCTION === [fErr0ASSERT_VIOLATIONWITNESS_INVARIANT, fErr1ASSERT_VIOLATIONPRE_CONDITION, fErr2ASSERT_VIOLATIONERROR_FUNCTION, fErr3ASSERT_VIOLATIONPOST_CONDITION] ===
[2024-09-20 13:30:09,172 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-09-20 13:30:09,172 INFO  L85        PathProgramCache]: Analyzing trace with hash 1128931346, now seen corresponding path program 1 times
[2024-09-20 13:30:09,172 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-20 13:30:09,172 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258015728]
[2024-09-20 13:30:09,172 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-20 13:30:09,173 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-20 13:30:09,182 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-20 13:30:09,212 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-20 13:30:09,212 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-20 13:30:09,212 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258015728]
[2024-09-20 13:30:09,213 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258015728] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-20 13:30:09,213 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-09-20 13:30:09,213 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-09-20 13:30:09,213 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272689771]
[2024-09-20 13:30:09,213 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-20 13:30:09,213 INFO  L551      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-09-20 13:30:09,216 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-20 13:30:09,216 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-09-20 13:30:09,216 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-09-20 13:30:09,217 INFO  L87              Difference]: Start difference. First operand 13 states and 14 transitions. Second operand  has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-20 13:30:09,221 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-09-20 13:30:09,221 INFO  L93              Difference]: Finished difference Result 11 states and 12 transitions.
[2024-09-20 13:30:09,222 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-09-20 13:30:09,222 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11
[2024-09-20 13:30:09,222 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-09-20 13:30:09,222 INFO  L225             Difference]: With dead ends: 11
[2024-09-20 13:30:09,222 INFO  L226             Difference]: Without dead ends: 0
[2024-09-20 13:30:09,223 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
[2024-09-20 13:30:09,225 INFO  L434           NwaCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21 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
[2024-09-20 13:30:09,225 INFO  L435           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-09-20 13:30:09,225 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-09-20 13:30:09,225 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-09-20 13:30:09,226 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)
[2024-09-20 13:30:09,226 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-09-20 13:30:09,226 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11
[2024-09-20 13:30:09,226 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-09-20 13:30:09,226 INFO  L474      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-09-20 13:30:09,226 INFO  L475      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-20 13:30:09,226 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-09-20 13:30:09,226 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-09-20 13:30:09,229 INFO  L785   garLoopResultBuilder]: Registering result SAFE for location fErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining)
[2024-09-20 13:30:09,230 INFO  L785   garLoopResultBuilder]: Registering result SAFE for location fErr1ASSERT_VIOLATIONPRE_CONDITION (2 of 4 remaining)
[2024-09-20 13:30:09,230 INFO  L785   garLoopResultBuilder]: Registering result SAFE for location fErr2ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining)
[2024-09-20 13:30:09,230 INFO  L785   garLoopResultBuilder]: Registering result SAFE for location fErr3ASSERT_VIOLATIONPOST_CONDITION (0 of 4 remaining)
[2024-09-20 13:30:09,230 WARN  L456      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-09-20 13:30:09,233 INFO  L408         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-09-20 13:30:09,235 INFO  L165   ceAbstractionStarter]: Computing trace abstraction results
[2024-09-20 13:30:09,237 INFO  L469   ceAbstractionStarter]: Automizer considered 1 witness invariants
[2024-09-20 13:30:09,238 INFO  L470   ceAbstractionStarter]: WitnessConsidered=1
[2024-09-20 13:30:09,239 INFO  L201        PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:30:09 BoogieIcfgContainer
[2024-09-20 13:30:09,239 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-09-20 13:30:09,240 INFO  L158              Benchmark]: Toolchain (without parser) took 1578.70ms. Allocated memory was 146.8MB in the beginning and 192.9MB in the end (delta: 46.1MB). Free memory was 71.8MB in the beginning and 123.4MB in the end (delta: -51.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-09-20 13:30:09,240 INFO  L158              Benchmark]: CDTParser took 0.22ms. Allocated memory is still 146.8MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-20 13:30:09,240 INFO  L158              Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 146.8MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-20 13:30:09,241 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 259.65ms. Allocated memory was 146.8MB in the beginning and 192.9MB in the end (delta: 46.1MB). Free memory was 71.7MB in the beginning and 164.8MB in the end (delta: -93.1MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB.
[2024-09-20 13:30:09,241 INFO  L158              Benchmark]: Boogie Procedure Inliner took 28.83ms. Allocated memory is still 192.9MB. Free memory was 164.8MB in the beginning and 162.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-09-20 13:30:09,241 INFO  L158              Benchmark]: Boogie Preprocessor took 35.91ms. Allocated memory is still 192.9MB. Free memory was 162.7MB in the beginning and 161.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-09-20 13:30:09,245 INFO  L158              Benchmark]: RCFGBuilder took 258.95ms. Allocated memory is still 192.9MB. Free memory was 161.6MB in the beginning and 147.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2024-09-20 13:30:09,245 INFO  L158              Benchmark]: TraceAbstraction took 989.38ms. Allocated memory is still 192.9MB. Free memory was 147.0MB in the beginning and 123.4MB in the end (delta: 23.6MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB.
[2024-09-20 13:30:09,246 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.22ms. Allocated memory is still 146.8MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB.
 * Witness Parser took 0.10ms. Allocated memory is still 146.8MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 259.65ms. Allocated memory was 146.8MB in the beginning and 192.9MB in the end (delta: 46.1MB). Free memory was 71.7MB in the beginning and 164.8MB in the end (delta: -93.1MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 28.83ms. Allocated memory is still 192.9MB. Free memory was 164.8MB in the beginning and 162.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 35.91ms. Allocated memory is still 192.9MB. Free memory was 162.7MB in the beginning and 161.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 258.95ms. Allocated memory is still 192.9MB. Free memory was 161.6MB in the beginning and 147.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
 * TraceAbstraction took 989.38ms. Allocated memory is still 192.9MB. Free memory was 147.0MB in the beginning and 123.4MB in the end (delta: 23.6MB). Peak memory consumption was 22.5MB. 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: 30]: 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 2 procedures, 27 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 49 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 49 mSDsluCounter, 126 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 59 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 67 mSDtfsCounter, 43 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 19 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 37 ConstructedInterpolants, 0 QuantifiedInterpolants, 67 SizeOfPredicates, 0 NumberOfNonLiveVariables, 41 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 1/2 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!
[2024-09-20 13:30:09,268 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...