./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-recursive-malloc/chunk1-2.i --full-output --architecture 64bit


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


Checking for overflows
Using default analysis
Version 8be7027f
Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-recursive-malloc/chunk1-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6a66369f5c9a0270ee2408adc274f8f50150ff97d329dbc5d86329753dd9abac
--- Real Ultimate output ---
This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m
[2024-11-12 16:59:51,938 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-12 16:59:52,005 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-11-12 16:59:52,010 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-12 16:59:52,012 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-12 16:59:52,041 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-12 16:59:52,044 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-12 16:59:52,044 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-12 16:59:52,045 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-12 16:59:52,046 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-12 16:59:52,046 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-12 16:59:52,047 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-12 16:59:52,047 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-12 16:59:52,050 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-12 16:59:52,050 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-12 16:59:52,050 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-12 16:59:52,050 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-12 16:59:52,051 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-12 16:59:52,051 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-12 16:59:52,051 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-12 16:59:52,051 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-12 16:59:52,052 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-12 16:59:52,052 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-12 16:59:52,053 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-12 16:59:52,056 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-12 16:59:52,056 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-12 16:59:52,057 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-12 16:59:52,057 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-12 16:59:52,057 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-12 16:59:52,057 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-12 16:59:52,058 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-12 16:59:52,058 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-12 16:59:52,070 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-12 16:59:52,072 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-12 16:59:52,072 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-12 16:59:52,072 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-12 16:59:52,073 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-12 16:59:52,073 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-12 16:59:52,074 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-12 16:59:52,074 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-12 16:59:52,074 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-12 16:59:52,074 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a66369f5c9a0270ee2408adc274f8f50150ff97d329dbc5d86329753dd9abac
[2024-11-12 16:59:52,319 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-12 16:59:52,349 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-12 16:59:52,352 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-12 16:59:52,353 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-12 16:59:52,354 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-12 16:59:52,355 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-recursive-malloc/chunk1-2.i
[2024-11-12 16:59:53,803 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-12 16:59:53,983 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-12 16:59:53,984 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-recursive-malloc/chunk1-2.i
[2024-11-12 16:59:54,009 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0339cc7dc/94e85748e43c4f1ca0e2674aa8e78856/FLAG641c0b62d
[2024-11-12 16:59:54,033 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0339cc7dc/94e85748e43c4f1ca0e2674aa8e78856
[2024-11-12 16:59:54,034 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-12 16:59:54,036 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-12 16:59:54,037 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-12 16:59:54,037 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-12 16:59:54,042 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-12 16:59:54,043 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:59:54" (1/1) ...
[2024-11-12 16:59:54,044 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@209a5e92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:59:54, skipping insertion in model container
[2024-11-12 16:59:54,044 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:59:54" (1/1) ...
[2024-11-12 16:59:54,060 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-12 16:59:54,227 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-12 16:59:54,236 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-12 16:59:54,248 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-12 16:59:54,260 INFO  L204         MainTranslator]: Completed translation
[2024-11-12 16:59:54,260 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:59:54 WrapperNode
[2024-11-12 16:59:54,260 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-12 16:59:54,261 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-12 16:59:54,262 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-12 16:59:54,262 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-12 16:59:54,268 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:59:54" (1/1) ...
[2024-11-12 16:59:54,276 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:59:54" (1/1) ...
[2024-11-12 16:59:54,292 INFO  L138                Inliner]: procedures = 11, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21
[2024-11-12 16:59:54,293 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-12 16:59:54,293 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-12 16:59:54,293 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-12 16:59:54,294 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-12 16:59:54,302 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:59:54" (1/1) ...
[2024-11-12 16:59:54,302 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:59:54" (1/1) ...
[2024-11-12 16:59:54,303 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:59:54" (1/1) ...
[2024-11-12 16:59:54,314 INFO  L175           MemorySlicer]: Split 6 memory accesses to 1 slices as follows [6]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 3 writes are split as follows [3].
[2024-11-12 16:59:54,315 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:59:54" (1/1) ...
[2024-11-12 16:59:54,315 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:59:54" (1/1) ...
[2024-11-12 16:59:54,324 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:59:54" (1/1) ...
[2024-11-12 16:59:54,325 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:59:54" (1/1) ...
[2024-11-12 16:59:54,328 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:59:54" (1/1) ...
[2024-11-12 16:59:54,328 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:59:54" (1/1) ...
[2024-11-12 16:59:54,331 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-12 16:59:54,332 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-12 16:59:54,332 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-12 16:59:54,333 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-12 16:59:54,333 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:59:54" (1/1) ...
[2024-11-12 16:59:54,339 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-12 16:59:54,351 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-12 16:59:54,379 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-12 16:59:54,382 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-12 16:59:54,431 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-12 16:59:54,432 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-12 16:59:54,432 INFO  L130     BoogieDeclarations]: Found specification of procedure chunk
[2024-11-12 16:59:54,432 INFO  L138     BoogieDeclarations]: Found implementation of procedure chunk
[2024-11-12 16:59:54,432 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-12 16:59:54,432 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-12 16:59:54,433 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-12 16:59:54,500 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-12 16:59:54,502 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-12 16:59:54,641 INFO  L?                        ?]: Removed 9 outVars from TransFormulas that were not future-live.
[2024-11-12 16:59:54,642 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-12 16:59:54,654 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-12 16:59:54,655 INFO  L316             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-12 16:59:54,656 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:59:54 BoogieIcfgContainer
[2024-11-12 16:59:54,656 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-12 16:59:54,658 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-12 16:59:54,658 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-12 16:59:54,662 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-12 16:59:54,662 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 04:59:54" (1/3) ...
[2024-11-12 16:59:54,662 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f9bef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:59:54, skipping insertion in model container
[2024-11-12 16:59:54,663 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:59:54" (2/3) ...
[2024-11-12 16:59:54,663 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f9bef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:59:54, skipping insertion in model container
[2024-11-12 16:59:54,664 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:59:54" (3/3) ...
[2024-11-12 16:59:54,666 INFO  L112   eAbstractionObserver]: Analyzing ICFG chunk1-2.i
[2024-11-12 16:59:54,682 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-12 16:59:54,682 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-12 16:59:54,746 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-12 16:59:54,755 INFO  L333      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5d5fe8cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-12 16:59:54,756 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-12 16:59:54,760 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 16 states, 10 states have (on average 1.4) internal successors, (14), 14 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-12 16:59:54,765 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2024-11-12 16:59:54,766 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 16:59:54,768 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-12 16:59:54,769 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting chunkErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [chunkErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, chunkErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-12 16:59:54,774 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 16:59:54,775 INFO  L85        PathProgramCache]: Analyzing trace with hash -990003817, now seen corresponding path program 1 times
[2024-11-12 16:59:54,784 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 16:59:54,785 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531472988]
[2024-11-12 16:59:54,785 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 16:59:54,785 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 16:59:54,906 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 16:59:55,286 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-12 16:59:55,286 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 16:59:55,287 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531472988]
[2024-11-12 16:59:55,287 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531472988] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 16:59:55,287 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 16:59:55,287 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-12 16:59:55,292 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291833689]
[2024-11-12 16:59:55,293 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 16:59:55,298 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-12 16:59:55,298 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 16:59:55,315 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-12 16:59:55,316 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-11-12 16:59:55,317 INFO  L87              Difference]: Start difference. First operand  has 16 states, 10 states have (on average 1.4) internal successors, (14), 14 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand  has 7 states, 5 states have (on average 1.2) internal successors, (6), 6 states have internal predecessors, (6), 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)
[2024-11-12 16:59:55,465 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 16:59:55,478 INFO  L93              Difference]: Finished difference Result 21 states and 25 transitions.
[2024-11-12 16:59:55,483 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-12 16:59:55,484 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 5 states have (on average 1.2) internal successors, (6), 6 states have internal predecessors, (6), 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 7
[2024-11-12 16:59:55,485 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 16:59:55,491 INFO  L225             Difference]: With dead ends: 21
[2024-11-12 16:59:55,491 INFO  L226             Difference]: Without dead ends: 10
[2024-11-12 16:59:55,494 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2024-11-12 16:59:55,497 INFO  L435           NwaCegarLoop]: 9 mSDtfsCounter, 13 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-12 16:59:55,498 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 38 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-12 16:59:55,525 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10 states.
[2024-11-12 16:59:55,537 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10.
[2024-11-12 16:59:55,539 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 8 states have internal predecessors, (8), 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)
[2024-11-12 16:59:55,539 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions.
[2024-11-12 16:59:55,542 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 7
[2024-11-12 16:59:55,545 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 16:59:55,545 INFO  L471      AbstractCegarLoop]: Abstraction has 10 states and 10 transitions.
[2024-11-12 16:59:55,546 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 5 states have (on average 1.2) internal successors, (6), 6 states have internal predecessors, (6), 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)
[2024-11-12 16:59:55,546 INFO  L276                IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions.
[2024-11-12 16:59:55,546 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-11-12 16:59:55,547 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 16:59:55,547 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-12 16:59:55,547 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-12 16:59:55,549 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting chunkErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [chunkErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, chunkErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-12 16:59:55,550 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 16:59:55,550 INFO  L85        PathProgramCache]: Analyzing trace with hash -625347217, now seen corresponding path program 1 times
[2024-11-12 16:59:55,550 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 16:59:55,551 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475975298]
[2024-11-12 16:59:55,551 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 16:59:55,551 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 16:59:55,579 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 16:59:55,776 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-12 16:59:55,777 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 16:59:55,777 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475975298]
[2024-11-12 16:59:55,777 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475975298] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 16:59:55,777 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 16:59:55,778 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-12 16:59:55,778 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967480830]
[2024-11-12 16:59:55,778 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 16:59:55,779 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-12 16:59:55,780 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 16:59:55,780 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-12 16:59:55,781 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-11-12 16:59:55,781 INFO  L87              Difference]: Start difference. First operand 10 states and 10 transitions. Second operand  has 7 states, 5 states have (on average 1.4) internal successors, (7), 6 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)
[2024-11-12 16:59:55,843 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 16:59:55,843 INFO  L93              Difference]: Finished difference Result 15 states and 15 transitions.
[2024-11-12 16:59:55,844 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-12 16:59:55,844 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 5 states have (on average 1.4) internal successors, (7), 6 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
[2024-11-12 16:59:55,844 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 16:59:55,845 INFO  L225             Difference]: With dead ends: 15
[2024-11-12 16:59:55,845 INFO  L226             Difference]: Without dead ends: 14
[2024-11-12 16:59:55,845 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2024-11-12 16:59:55,847 INFO  L435           NwaCegarLoop]: 5 mSDtfsCounter, 5 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-12 16:59:55,847 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 25 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-12 16:59:55,848 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 14 states.
[2024-11-12 16:59:55,852 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14.
[2024-11-12 16:59:55,853 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 14 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-12 16:59:55,854 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions.
[2024-11-12 16:59:55,854 INFO  L78                 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 8
[2024-11-12 16:59:55,855 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 16:59:55,855 INFO  L471      AbstractCegarLoop]: Abstraction has 14 states and 14 transitions.
[2024-11-12 16:59:55,855 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 5 states have (on average 1.4) internal successors, (7), 6 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)
[2024-11-12 16:59:55,855 INFO  L276                IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions.
[2024-11-12 16:59:55,856 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-11-12 16:59:55,856 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 16:59:55,857 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-11-12 16:59:55,857 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-12 16:59:55,857 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting chunkErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [chunkErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, chunkErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-12 16:59:55,858 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 16:59:55,862 INFO  L85        PathProgramCache]: Analyzing trace with hash -996533012, now seen corresponding path program 1 times
[2024-11-12 16:59:55,862 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 16:59:55,863 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698488329]
[2024-11-12 16:59:55,863 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 16:59:55,863 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 16:59:55,888 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 16:59:56,585 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-12 16:59:56,585 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 16:59:56,585 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698488329]
[2024-11-12 16:59:56,585 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698488329] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-12 16:59:56,586 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044524190]
[2024-11-12 16:59:56,586 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 16:59:56,586 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-12 16:59:56,587 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-12 16:59:56,589 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-12 16:59:56,590 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-12 16:59:56,651 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 16:59:56,654 INFO  L256         TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 32 conjuncts are in the unsatisfiable core
[2024-11-12 16:59:56,660 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-12 16:59:56,736 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 1
[2024-11-12 16:59:56,804 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13
[2024-11-12 16:59:56,861 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-12 16:59:56,861 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 12
[2024-11-12 16:59:56,869 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-12 16:59:56,869 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-11-12 16:59:57,064 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-12 16:59:57,066 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044524190] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-12 16:59:57,066 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-12 16:59:57,067 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 9] total 18
[2024-11-12 16:59:57,068 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802467817]
[2024-11-12 16:59:57,069 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-12 16:59:57,069 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2024-11-12 16:59:57,069 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 16:59:57,070 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2024-11-12 16:59:57,070 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342
[2024-11-12 16:59:57,071 INFO  L87              Difference]: Start difference. First operand 14 states and 14 transitions. Second operand  has 19 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 15 states have internal predecessors, (22), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-12 16:59:57,489 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 16:59:57,489 INFO  L93              Difference]: Finished difference Result 19 states and 20 transitions.
[2024-11-12 16:59:57,489 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-11-12 16:59:57,490 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 15 states have internal predecessors, (22), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13
[2024-11-12 16:59:57,490 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 16:59:57,490 INFO  L225             Difference]: With dead ends: 19
[2024-11-12 16:59:57,491 INFO  L226             Difference]: Without dead ends: 0
[2024-11-12 16:59:57,491 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 13 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=167, Invalid=703, Unknown=0, NotChecked=0, Total=870
[2024-11-12 16:59:57,492 INFO  L435           NwaCegarLoop]: 4 mSDtfsCounter, 22 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-12 16:59:57,493 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 25 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-12 16:59:57,493 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-12 16:59:57,494 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-12 16:59:57,494 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)
[2024-11-12 16:59:57,494 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-12 16:59:57,494 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13
[2024-11-12 16:59:57,494 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 16:59:57,495 INFO  L471      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-12 16:59:57,495 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 15 states have internal predecessors, (22), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-12 16:59:57,495 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-12 16:59:57,495 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-12 16:59:57,498 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location chunkErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-11-12 16:59:57,498 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location chunkErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-11-12 16:59:57,513 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-12 16:59:57,702 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-12 16:59:57,706 INFO  L421         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-11-12 16:59:57,708 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-12 16:59:58,007 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-12 16:59:58,053 WARN  L156        FloydHoareUtils]: Requires clause for chunk contained old-variable. Original clause: (let ((.cse5 (= |chunk_#in~data.offset| 0)) (.cse2 (select |old(#memory_int#0)| |chunk_#in~data.base|)) (.cse6 (select |#memory_int#0| |chunk_#in~data.base|))) (let ((.cse7 (select .cse6 12)) (.cse3 (select .cse2 12)) (.cse1 (not .cse5)) (.cse0 (select .cse2 |chunk_#in~data.offset|)) (.cse4 (select .cse6 |chunk_#in~data.offset|)) (.cse8 (+ |chunk_#in~data.offset| 12))) (and (or (and (<= 2147483647 .cse0) (or .cse1 (not (= (select .cse2 0) .cse3)))) (< .cse4 2147483647) (and .cse5 (= (select .cse6 0) .cse7))) (<= 0 (+ .cse0 2147483648)) (or (and (<= .cse4 2147483646) (or (and (= 2147483647 .cse7) .cse5) (< .cse4 2147483646))) (and (<= 2147483646 .cse0) (or (not (= 2147483647 .cse3)) .cse1)) (< 2147483646 .cse0)) (<= 0 (+ .cse4 2147483648)) (<= (select .cse6 .cse8) 2147483647) (<= (select .cse2 .cse8) 2147483647))))  Eliminated clause: (let ((.cse6 (select |#memory_int#0| |chunk_#in~data.base|))) (let ((.cse4 (select .cse6 |chunk_#in~data.offset|)) (.cse8 (+ |chunk_#in~data.offset| 12))) (and (exists ((|old(#memory_int#0)| (Array Int (Array Int Int)))) (let ((.cse5 (= |chunk_#in~data.offset| 0)) (.cse2 (select |old(#memory_int#0)| |chunk_#in~data.base|))) (let ((.cse7 (select .cse6 12)) (.cse3 (select .cse2 12)) (.cse1 (not .cse5)) (.cse0 (select .cse2 |chunk_#in~data.offset|))) (and (or (and (<= 2147483647 .cse0) (or .cse1 (not (= (select .cse2 0) .cse3)))) (< .cse4 2147483647) (and .cse5 (= (select .cse6 0) .cse7))) (or (and (<= .cse4 2147483646) (or (and (= 2147483647 .cse7) .cse5) (< .cse4 2147483646))) (and (= .cse0 2147483646) (or (not (= 2147483647 .cse3)) .cse1)) (< 2147483646 .cse0)) (<= 0 (+ .cse0 2147483648)) (<= (select .cse2 .cse8) 2147483647))))) (<= 0 (+ .cse4 2147483648)) (<= (select .cse6 .cse8) 2147483647))))
[2024-11-12 16:59:58,060 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
[2024-11-12 16:59:58,065 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0
[2024-11-12 16:59:58,065 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL]
[2024-11-12 16:59:58,065 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[#in~data!base,<IMPLEMENTATION_INPARAM,chunk>]]]
[2024-11-12 16:59:58,066 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0
[2024-11-12 16:59:58,066 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL]
[2024-11-12 16:59:58,066 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[#in~data!base,<IMPLEMENTATION_INPARAM,chunk>]]]
[2024-11-12 16:59:58,067 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0
[2024-11-12 16:59:58,067 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#memory_int#0,GLOBAL]]
[2024-11-12 16:59:58,067 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[UnaryExpression[OLD,IdentifierExpression[#memory_int#0,GLOBAL]],[IdentifierExpression[#in~data!base,<IMPLEMENTATION_INPARAM,chunk>]]]
[2024-11-12 16:59:58,067 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0
[2024-11-12 16:59:58,067 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#memory_int#0,GLOBAL]]
[2024-11-12 16:59:58,067 WARN  L976   BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[UnaryExpression[OLD,IdentifierExpression[#memory_int#0,GLOBAL]],[IdentifierExpression[#in~data!base,<IMPLEMENTATION_INPARAM,chunk>]]]
[2024-11-12 16:59:58,069 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 04:59:58 BoogieIcfgContainer
[2024-11-12 16:59:58,070 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-12 16:59:58,071 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-12 16:59:58,072 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-12 16:59:58,072 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-12 16:59:58,072 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:59:54" (3/4) ...
[2024-11-12 16:59:58,075 INFO  L142         WitnessPrinter]: Generating witness for correct program
[2024-11-12 16:59:58,079 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure chunk
[2024-11-12 16:59:58,083 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges
[2024-11-12 16:59:58,083 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-12 16:59:58,083 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2024-11-12 16:59:58,084 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-12 16:59:58,162 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-12 16:59:58,163 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml
[2024-11-12 16:59:58,165 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-12 16:59:58,166 INFO  L158              Benchmark]: Toolchain (without parser) took 4130.05ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 112.1MB in the beginning and 107.1MB in the end (delta: 5.1MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB.
[2024-11-12 16:59:58,166 INFO  L158              Benchmark]: CDTParser took 0.14ms. Allocated memory is still 140.5MB. Free memory is still 110.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-12 16:59:58,166 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 224.13ms. Allocated memory is still 140.5MB. Free memory was 111.6MB in the beginning and 99.6MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2024-11-12 16:59:58,167 INFO  L158              Benchmark]: Boogie Procedure Inliner took 31.38ms. Allocated memory is still 140.5MB. Free memory was 99.6MB in the beginning and 98.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-12 16:59:58,167 INFO  L158              Benchmark]: Boogie Preprocessor took 38.21ms. Allocated memory is still 140.5MB. Free memory was 98.0MB in the beginning and 96.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-12 16:59:58,167 INFO  L158              Benchmark]: RCFGBuilder took 324.00ms. Allocated memory is still 140.5MB. Free memory was 96.4MB in the beginning and 85.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2024-11-12 16:59:58,167 INFO  L158              Benchmark]: TraceAbstraction took 3411.40ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 85.4MB in the beginning and 112.3MB in the end (delta: -26.9MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB.
[2024-11-12 16:59:58,168 INFO  L158              Benchmark]: Witness Printer took 93.75ms. Allocated memory is still 178.3MB. Free memory was 111.3MB in the beginning and 107.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-12 16:59:58,169 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.14ms. Allocated memory is still 140.5MB. Free memory is still 110.1MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 224.13ms. Allocated memory is still 140.5MB. Free memory was 111.6MB in the beginning and 99.6MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 31.38ms. Allocated memory is still 140.5MB. Free memory was 99.6MB in the beginning and 98.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 38.21ms. Allocated memory is still 140.5MB. Free memory was 98.0MB in the beginning and 96.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 324.00ms. Allocated memory is still 140.5MB. Free memory was 96.4MB in the beginning and 85.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
 * TraceAbstraction took 3411.40ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 85.4MB in the beginning and 112.3MB in the end (delta: -26.9MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB.
 * Witness Printer took 93.75ms. Allocated memory is still 178.3MB. Free memory was 111.3MB in the beginning and 107.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #memory_int#0
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[#in~data!base,<IMPLEMENTATION_INPARAM,chunk>]]]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #memory_int#0
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[#in~data!base,<IMPLEMENTATION_INPARAM,chunk>]]]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #memory_int#0
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#memory_int#0,GLOBAL]]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[UnaryExpression[OLD,IdentifierExpression[#memory_int#0,GLOBAL]],[IdentifierExpression[#in~data!base,<IMPLEMENTATION_INPARAM,chunk>]]]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Unknown variable: #memory_int#0
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array UnaryExpression[OLD,IdentifierExpression[#memory_int#0,GLOBAL]]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[UnaryExpression[OLD,IdentifierExpression[#memory_int#0,GLOBAL]],[IdentifierExpression[#in~data!base,<IMPLEMENTATION_INPARAM,chunk>]]]
 * 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: 12]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 12]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 2 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 88 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 70 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 157 IncrementalHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 18 mSDtfsCounter, 157 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 15 SyntacticMatches, 4 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 30, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 471 SizeOfPredicates, 10 NumberOfNonLiveVariables, 74 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 2/12 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
    2 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-11-12 16:59:58,200 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE