./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/valid-memsafety.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/array-1.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for memory safety (deref-memtrack)
Using default analysis
Version fca748b1
Calling Ultimate with: /root/.sdkman/candidates/java/current/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/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/array-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-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 valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 229f3e8ce4e3b13e76b58dc42b5f9a4638bd79f9f3aa927499d1d902ea457152
--- Real Ultimate output ---
This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m
[2024-11-20 15:00:58,203 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-20 15:00:58,294 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf
[2024-11-20 15:00:58,299 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-20 15:00:58,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-20 15:00:58,334 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-20 15:00:58,335 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-20 15:00:58,335 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-20 15:00:58,336 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-20 15:00:58,336 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-20 15:00:58,336 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-20 15:00:58,337 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-20 15:00:58,337 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-20 15:00:58,340 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-20 15:00:58,340 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-20 15:00:58,340 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-20 15:00:58,341 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-20 15:00:58,341 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-20 15:00:58,341 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-20 15:00:58,341 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-20 15:00:58,342 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2024-11-20 15:00:58,345 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2024-11-20 15:00:58,345 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2024-11-20 15:00:58,345 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-20 15:00:58,346 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-20 15:00:58,346 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-20 15:00:58,346 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-20 15:00:58,346 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-20 15:00:58,347 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-20 15:00:58,347 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-20 15:00:58,347 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-20 15:00:58,347 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-20 15:00:58,348 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-20 15:00:58,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-20 15:00:58,348 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-20 15:00:58,349 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-20 15:00:58,349 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-20 15:00:58,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-20 15:00:58,349 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-20 15:00:58,350 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-20 15:00:58,350 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-20 15:00:58,351 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-20 15:00:58,351 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 229f3e8ce4e3b13e76b58dc42b5f9a4638bd79f9f3aa927499d1d902ea457152
[2024-11-20 15:00:58,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-20 15:00:58,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-20 15:00:58,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-20 15:00:58,651 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-20 15:00:58,652 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-20 15:00:58,653 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/array-1.c
[2024-11-20 15:01:00,102 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-20 15:01:00,282 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-20 15:01:00,283 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/array-1.c
[2024-11-20 15:01:00,294 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef8e26f24/945649e3ef834a238d172b43061b5c20/FLAG11f3295d9
[2024-11-20 15:01:00,312 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef8e26f24/945649e3ef834a238d172b43061b5c20
[2024-11-20 15:01:00,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-20 15:01:00,317 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-20 15:01:00,320 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-20 15:01:00,321 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-20 15:01:00,326 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-20 15:01:00,328 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:01:00" (1/1) ...
[2024-11-20 15:01:00,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea30ad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:01:00, skipping insertion in model container
[2024-11-20 15:01:00,329 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:01:00" (1/1) ...
[2024-11-20 15:01:00,355 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-20 15:01:00,554 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-20 15:01:00,562 INFO L200 MainTranslator]: Completed pre-run
[2024-11-20 15:01:00,575 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-20 15:01:00,593 INFO L204 MainTranslator]: Completed translation
[2024-11-20 15:01:00,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:01:00 WrapperNode
[2024-11-20 15:01:00,594 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-20 15:01:00,595 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-20 15:01:00,595 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-20 15:01:00,595 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-20 15:01:00,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:01:00" (1/1) ...
[2024-11-20 15:01:00,611 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:01:00" (1/1) ...
[2024-11-20 15:01:00,628 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52
[2024-11-20 15:01:00,628 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-20 15:01:00,629 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-20 15:01:00,629 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-20 15:01:00,629 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-20 15:01:00,639 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:01:00" (1/1) ...
[2024-11-20 15:01:00,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:01:00" (1/1) ...
[2024-11-20 15:01:00,641 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:01:00" (1/1) ...
[2024-11-20 15:01:00,653 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [2, 4]. 67 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1].
[2024-11-20 15:01:00,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:01:00" (1/1) ...
[2024-11-20 15:01:00,654 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:01:00" (1/1) ...
[2024-11-20 15:01:00,659 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:01:00" (1/1) ...
[2024-11-20 15:01:00,662 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:01:00" (1/1) ...
[2024-11-20 15:01:00,663 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:01:00" (1/1) ...
[2024-11-20 15:01:00,663 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:01:00" (1/1) ...
[2024-11-20 15:01:00,665 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-20 15:01:00,666 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-20 15:01:00,666 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-20 15:01:00,666 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-20 15:01:00,667 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:01:00" (1/1) ...
[2024-11-20 15:01:00,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-20 15:01:00,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-20 15:01:00,699 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)
[2024-11-20 15:01:00,702 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
[2024-11-20 15:01:00,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-20 15:01:00,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-20 15:01:00,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-20 15:01:00,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-20 15:01:00,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-20 15:01:00,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-20 15:01:00,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-20 15:01:00,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-20 15:01:00,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-20 15:01:00,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-20 15:01:00,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-20 15:01:00,801 INFO L238 CfgBuilder]: Building ICFG
[2024-11-20 15:01:00,802 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-20 15:01:00,961 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live.
[2024-11-20 15:01:00,962 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-20 15:01:00,978 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-20 15:01:00,979 INFO L316 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-20 15:01:00,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:01:00 BoogieIcfgContainer
[2024-11-20 15:01:00,979 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-20 15:01:00,983 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-20 15:01:00,983 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-20 15:01:00,988 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-20 15:01:00,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 03:01:00" (1/3) ...
[2024-11-20 15:01:00,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@241db9cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:01:00, skipping insertion in model container
[2024-11-20 15:01:00,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:01:00" (2/3) ...
[2024-11-20 15:01:00,990 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@241db9cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:01:00, skipping insertion in model container
[2024-11-20 15:01:00,990 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:01:00" (3/3) ...
[2024-11-20 15:01:00,992 INFO L112 eAbstractionObserver]: Analyzing ICFG array-1.c
[2024-11-20 15:01:01,013 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-20 15:01:01,014 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations.
[2024-11-20 15:01:01,064 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-20 15:01:01,070 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=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;@2f32cc7c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-20 15:01:01,070 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations.
[2024-11-20 15:01:01,074 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 19 states have (on average 1.736842105263158) internal successors, (33), 29 states have internal predecessors, (33), 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)
[2024-11-20 15:01:01,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2024-11-20 15:01:01,078 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-20 15:01:01,078 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1]
[2024-11-20 15:01:01,079 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] ===
[2024-11-20 15:01:01,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-20 15:01:01,084 INFO L85 PathProgramCache]: Analyzing trace with hash 925724, now seen corresponding path program 1 times
[2024-11-20 15:01:01,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-20 15:01:01,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915288074]
[2024-11-20 15:01:01,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-20 15:01:01,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-20 15:01:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-20 15:01:01,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-20 15:01:01,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-20 15:01:01,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915288074]
[2024-11-20 15:01:01,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915288074] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-20 15:01:01,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-20 15:01:01,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-20 15:01:01,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527312283]
[2024-11-20 15:01:01,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-20 15:01:01,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-20 15:01:01,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-20 15:01:01,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-20 15:01:01,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-20 15:01:01,465 INFO L87 Difference]: Start difference. First operand has 30 states, 19 states have (on average 1.736842105263158) internal successors, (33), 29 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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)
[2024-11-20 15:01:01,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-20 15:01:01,524 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions.
[2024-11-20 15:01:01,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-20 15:01:01,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4
[2024-11-20 15:01:01,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-20 15:01:01,534 INFO L225 Difference]: With dead ends: 25
[2024-11-20 15:01:01,535 INFO L226 Difference]: Without dead ends: 23
[2024-11-20 15:01:01,536 INFO L431 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
[2024-11-20 15:01:01,541 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 15 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-20 15:01:01,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 18 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-20 15:01:01,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states.
[2024-11-20 15:01:01,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23.
[2024-11-20 15:01:01,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 17 states have (on average 1.411764705882353) internal successors, (24), 22 states have internal predecessors, (24), 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)
[2024-11-20 15:01:01,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions.
[2024-11-20 15:01:01,573 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 4
[2024-11-20 15:01:01,573 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-20 15:01:01,574 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions.
[2024-11-20 15:01:01,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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)
[2024-11-20 15:01:01,574 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions.
[2024-11-20 15:01:01,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2024-11-20 15:01:01,574 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-20 15:01:01,575 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1]
[2024-11-20 15:01:01,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-20 15:01:01,575 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] ===
[2024-11-20 15:01:01,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-20 15:01:01,576 INFO L85 PathProgramCache]: Analyzing trace with hash 925725, now seen corresponding path program 1 times
[2024-11-20 15:01:01,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-20 15:01:01,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340203338]
[2024-11-20 15:01:01,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-20 15:01:01,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-20 15:01:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-20 15:01:01,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-20 15:01:01,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-20 15:01:01,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340203338]
[2024-11-20 15:01:01,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340203338] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-20 15:01:01,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-20 15:01:01,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-20 15:01:01,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969078618]
[2024-11-20 15:01:01,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-20 15:01:01,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-20 15:01:01,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-20 15:01:01,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-20 15:01:01,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-20 15:01:01,782 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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)
[2024-11-20 15:01:01,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-20 15:01:01,832 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions.
[2024-11-20 15:01:01,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-20 15:01:01,832 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4
[2024-11-20 15:01:01,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-20 15:01:01,833 INFO L225 Difference]: With dead ends: 22
[2024-11-20 15:01:01,833 INFO L226 Difference]: Without dead ends: 22
[2024-11-20 15:01:01,834 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-20 15:01:01,835 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 9 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-20 15:01:01,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 26 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-20 15:01:01,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states.
[2024-11-20 15:01:01,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22.
[2024-11-20 15:01:01,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 21 states have internal predecessors, (23), 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)
[2024-11-20 15:01:01,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions.
[2024-11-20 15:01:01,839 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 4
[2024-11-20 15:01:01,839 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-20 15:01:01,839 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions.
[2024-11-20 15:01:01,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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)
[2024-11-20 15:01:01,840 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions.
[2024-11-20 15:01:01,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2024-11-20 15:01:01,840 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-20 15:01:01,840 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1]
[2024-11-20 15:01:01,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-20 15:01:01,841 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] ===
[2024-11-20 15:01:01,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-20 15:01:01,843 INFO L85 PathProgramCache]: Analyzing trace with hash 925766, now seen corresponding path program 1 times
[2024-11-20 15:01:01,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-20 15:01:01,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448089847]
[2024-11-20 15:01:01,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-20 15:01:01,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-20 15:01:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-20 15:01:02,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-20 15:01:02,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-20 15:01:02,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448089847]
[2024-11-20 15:01:02,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448089847] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-20 15:01:02,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-20 15:01:02,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-20 15:01:02,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899829362]
[2024-11-20 15:01:02,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-20 15:01:02,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-20 15:01:02,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-20 15:01:02,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-20 15:01:02,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-20 15:01:02,129 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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)
[2024-11-20 15:01:02,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-20 15:01:02,182 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions.
[2024-11-20 15:01:02,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-20 15:01:02,183 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4
[2024-11-20 15:01:02,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-20 15:01:02,184 INFO L225 Difference]: With dead ends: 30
[2024-11-20 15:01:02,186 INFO L226 Difference]: Without dead ends: 30
[2024-11-20 15:01:02,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-20 15:01:02,187 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 15 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-20 15:01:02,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 28 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-20 15:01:02,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states.
[2024-11-20 15:01:02,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28.
[2024-11-20 15:01:02,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 27 states have internal predecessors, (30), 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)
[2024-11-20 15:01:02,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions.
[2024-11-20 15:01:02,195 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 4
[2024-11-20 15:01:02,195 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-20 15:01:02,195 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions.
[2024-11-20 15:01:02,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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)
[2024-11-20 15:01:02,196 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions.
[2024-11-20 15:01:02,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-11-20 15:01:02,196 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-20 15:01:02,196 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-20 15:01:02,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-20 15:01:02,197 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] ===
[2024-11-20 15:01:02,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-20 15:01:02,197 INFO L85 PathProgramCache]: Analyzing trace with hash 719409802, now seen corresponding path program 1 times
[2024-11-20 15:01:02,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-20 15:01:02,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651183125]
[2024-11-20 15:01:02,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-20 15:01:02,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-20 15:01:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-20 15:01:02,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-20 15:01:02,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-20 15:01:02,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651183125]
[2024-11-20 15:01:02,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651183125] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-20 15:01:02,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427471626]
[2024-11-20 15:01:02,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-20 15:01:02,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-20 15:01:02,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-20 15:01:02,409 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)
[2024-11-20 15:01:02,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-20 15:01:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-20 15:01:02,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-20 15:01:02,479 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-20 15:01:02,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-20 15:01:02,590 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-20 15:01:02,668 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-20 15:01:02,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427471626] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-20 15:01:02,670 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-20 15:01:02,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9
[2024-11-20 15:01:02,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201507889]
[2024-11-20 15:01:02,674 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-20 15:01:02,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-20 15:01:02,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-20 15:01:02,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-20 15:01:02,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72
[2024-11-20 15:01:02,676 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 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)
[2024-11-20 15:01:02,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-20 15:01:02,758 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions.
[2024-11-20 15:01:02,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-20 15:01:02,759 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10
[2024-11-20 15:01:02,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-20 15:01:02,760 INFO L225 Difference]: With dead ends: 20
[2024-11-20 15:01:02,760 INFO L226 Difference]: Without dead ends: 20
[2024-11-20 15:01:02,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110
[2024-11-20 15:01:02,762 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 17 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-20 15:01:02,765 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 71 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-20 15:01:02,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states.
[2024-11-20 15:01:02,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20.
[2024-11-20 15:01:02,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 19 states have internal predecessors, (20), 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)
[2024-11-20 15:01:02,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions.
[2024-11-20 15:01:02,770 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 10
[2024-11-20 15:01:02,770 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-20 15:01:02,771 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions.
[2024-11-20 15:01:02,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 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)
[2024-11-20 15:01:02,771 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions.
[2024-11-20 15:01:02,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-11-20 15:01:02,772 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-20 15:01:02,773 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-20 15:01:02,782 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-20 15:01:02,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-20 15:01:02,975 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] ===
[2024-11-20 15:01:02,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-20 15:01:02,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1530103683, now seen corresponding path program 1 times
[2024-11-20 15:01:02,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-20 15:01:02,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112004395]
[2024-11-20 15:01:02,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-20 15:01:02,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-20 15:01:02,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-20 15:01:03,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-20 15:01:03,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-20 15:01:03,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112004395]
[2024-11-20 15:01:03,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112004395] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-20 15:01:03,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [225369425]
[2024-11-20 15:01:03,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-20 15:01:03,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-20 15:01:03,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-20 15:01:03,745 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-20 15:01:03,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-20 15:01:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-20 15:01:03,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 13 conjuncts are in the unsatisfiable core
[2024-11-20 15:01:03,802 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-20 15:01:03,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1
[2024-11-20 15:01:03,991 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 17 treesize of output 9
[2024-11-20 15:01:04,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-20 15:01:04,011 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-20 15:01:04,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 44 treesize of output 40
[2024-11-20 15:01:04,254 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-20 15:01:04,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 87
[2024-11-20 15:01:04,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 18
[2024-11-20 15:01:04,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-20 15:01:04,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [225369425] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-20 15:01:04,427 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-20 15:01:04,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 22
[2024-11-20 15:01:04,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127026175]
[2024-11-20 15:01:04,428 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-20 15:01:04,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states
[2024-11-20 15:01:04,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-20 15:01:04,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants.
[2024-11-20 15:01:04,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462
[2024-11-20 15:01:04,431 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 22 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 22 states have internal predecessors, (35), 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)
[2024-11-20 15:01:04,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-20 15:01:04,605 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions.
[2024-11-20 15:01:04,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-11-20 15:01:04,606 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 22 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14
[2024-11-20 15:01:04,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-20 15:01:04,607 INFO L225 Difference]: With dead ends: 25
[2024-11-20 15:01:04,608 INFO L226 Difference]: Without dead ends: 25
[2024-11-20 15:01:04,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=105, Invalid=447, Unknown=0, NotChecked=0, Total=552
[2024-11-20 15:01:04,609 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 10 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-20 15:01:04,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 70 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-20 15:01:04,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states.
[2024-11-20 15:01:04,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25.
[2024-11-20 15:01:04,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 24 states have internal predecessors, (25), 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)
[2024-11-20 15:01:04,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions.
[2024-11-20 15:01:04,614 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 14
[2024-11-20 15:01:04,614 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-20 15:01:04,614 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions.
[2024-11-20 15:01:04,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 22 states have internal predecessors, (35), 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)
[2024-11-20 15:01:04,615 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions.
[2024-11-20 15:01:04,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-11-20 15:01:04,618 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-20 15:01:04,619 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-20 15:01:04,629 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-20 15:01:04,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-20 15:01:04,820 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] ===
[2024-11-20 15:01:04,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-20 15:01:04,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1530111660, now seen corresponding path program 1 times
[2024-11-20 15:01:04,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-20 15:01:04,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602410660]
[2024-11-20 15:01:04,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-20 15:01:04,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-20 15:01:04,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-20 15:01:04,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-20 15:01:04,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-20 15:01:04,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602410660]
[2024-11-20 15:01:04,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602410660] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-20 15:01:04,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-20 15:01:04,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-20 15:01:04,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688207127]
[2024-11-20 15:01:04,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-20 15:01:04,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-20 15:01:04,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-20 15:01:04,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-20 15:01:04,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-20 15:01:04,926 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-20 15:01:04,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-20 15:01:04,946 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions.
[2024-11-20 15:01:04,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-20 15:01:04,947 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14
[2024-11-20 15:01:04,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-20 15:01:04,947 INFO L225 Difference]: With dead ends: 24
[2024-11-20 15:01:04,947 INFO L226 Difference]: Without dead ends: 17
[2024-11-20 15:01:04,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-20 15:01:04,948 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 6 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-20 15:01:04,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 26 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-20 15:01:04,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states.
[2024-11-20 15:01:04,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17.
[2024-11-20 15:01:04,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.0) internal successors, (16), 16 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-20 15:01:04,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 16 transitions.
[2024-11-20 15:01:04,954 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 16 transitions. Word has length 14
[2024-11-20 15:01:04,954 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-20 15:01:04,954 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 16 transitions.
[2024-11-20 15:01:04,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-20 15:01:04,955 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions.
[2024-11-20 15:01:04,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2024-11-20 15:01:04,955 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-20 15:01:04,955 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-20 15:01:04,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-20 15:01:04,956 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 7 more)] ===
[2024-11-20 15:01:04,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-20 15:01:04,958 INFO L85 PathProgramCache]: Analyzing trace with hash 283652614, now seen corresponding path program 1 times
[2024-11-20 15:01:04,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-20 15:01:04,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198483203]
[2024-11-20 15:01:04,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-20 15:01:04,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-20 15:01:04,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-20 15:01:05,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-20 15:01:05,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-20 15:01:05,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198483203]
[2024-11-20 15:01:05,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198483203] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-20 15:01:05,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591549956]
[2024-11-20 15:01:05,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-20 15:01:05,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-20 15:01:05,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-20 15:01:05,513 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-20 15:01:05,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-20 15:01:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-20 15:01:05,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 13 conjuncts are in the unsatisfiable core
[2024-11-20 15:01:05,566 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-20 15:01:05,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1
[2024-11-20 15:01:05,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 15 treesize of output 7
[2024-11-20 15:01:05,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-20 15:01:05,754 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-20 15:01:05,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 44 treesize of output 40
[2024-11-20 15:01:06,001 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-20 15:01:06,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 87
[2024-11-20 15:01:06,047 INFO L349 Elim1Store]: treesize reduction 28, result has 17.6 percent of original size
[2024-11-20 15:01:06,048 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 106 treesize of output 52
[2024-11-20 15:01:06,060 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size
[2024-11-20 15:01:06,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 15 treesize of output 11
[2024-11-20 15:01:06,072 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-11-20 15:01:06,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5
[2024-11-20 15:01:06,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-20 15:01:06,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [591549956] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-20 15:01:06,182 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-20 15:01:06,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 21
[2024-11-20 15:01:06,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259854883]
[2024-11-20 15:01:06,182 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-20 15:01:06,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states
[2024-11-20 15:01:06,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-20 15:01:06,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants.
[2024-11-20 15:01:06,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420
[2024-11-20 15:01:06,184 INFO L87 Difference]: Start difference. First operand 17 states and 16 transitions. Second operand has 21 states, 21 states have (on average 1.8571428571428572) internal successors, (39), 21 states have internal predecessors, (39), 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)
[2024-11-20 15:01:06,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-20 15:01:06,260 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions.
[2024-11-20 15:01:06,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-11-20 15:01:06,260 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 1.8571428571428572) internal successors, (39), 21 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16
[2024-11-20 15:01:06,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-20 15:01:06,261 INFO L225 Difference]: With dead ends: 14
[2024-11-20 15:01:06,261 INFO L226 Difference]: Without dead ends: 0
[2024-11-20 15:01:06,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462
[2024-11-20 15:01:06,262 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-20 15:01:06,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 25 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-20 15:01:06,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-20 15:01:06,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-20 15:01:06,263 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)
[2024-11-20 15:01:06,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-20 15:01:06,264 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16
[2024-11-20 15:01:06,264 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-20 15:01:06,264 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-20 15:01:06,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.8571428571428572) internal successors, (39), 21 states have internal predecessors, (39), 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)
[2024-11-20 15:01:06,264 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-20 15:01:06,265 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-20 15:01:06,267 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 10 remaining)
[2024-11-20 15:01:06,268 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 10 remaining)
[2024-11-20 15:01:06,268 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 10 remaining)
[2024-11-20 15:01:06,268 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 10 remaining)
[2024-11-20 15:01:06,268 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 10 remaining)
[2024-11-20 15:01:06,268 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 10 remaining)
[2024-11-20 15:01:06,269 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 10 remaining)
[2024-11-20 15:01:06,269 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 10 remaining)
[2024-11-20 15:01:06,269 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK (1 of 10 remaining)
[2024-11-20 15:01:06,269 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK (0 of 10 remaining)
[2024-11-20 15:01:06,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-11-20 15:01:06,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-20 15:01:06,472 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1]
[2024-11-20 15:01:06,474 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-20 15:01:06,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 03:01:06 BoogieIcfgContainer
[2024-11-20 15:01:06,480 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-20 15:01:06,481 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-20 15:01:06,481 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-20 15:01:06,481 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-20 15:01:06,481 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:01:00" (3/4) ...
[2024-11-20 15:01:06,484 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-20 15:01:06,495 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges
[2024-11-20 15:01:06,495 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges
[2024-11-20 15:01:06,495 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-20 15:01:06,495 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-20 15:01:06,574 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-20 15:01:06,574 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml
[2024-11-20 15:01:06,575 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-20 15:01:06,575 INFO L158 Benchmark]: Toolchain (without parser) took 6258.75ms. Allocated memory was 163.6MB in the beginning and 249.6MB in the end (delta: 86.0MB). Free memory was 110.1MB in the beginning and 171.8MB in the end (delta: -61.6MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB.
[2024-11-20 15:01:06,575 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 163.6MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-20 15:01:06,576 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.61ms. Allocated memory is still 163.6MB. Free memory was 110.1MB in the beginning and 97.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-20 15:01:06,576 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.71ms. Allocated memory is still 163.6MB. Free memory was 97.1MB in the beginning and 95.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-20 15:01:06,576 INFO L158 Benchmark]: Boogie Preprocessor took 36.58ms. Allocated memory is still 163.6MB. Free memory was 95.3MB in the beginning and 93.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-20 15:01:06,577 INFO L158 Benchmark]: RCFGBuilder took 313.53ms. Allocated memory is still 163.6MB. Free memory was 93.4MB in the beginning and 80.3MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-20 15:01:06,577 INFO L158 Benchmark]: TraceAbstraction took 5497.43ms. Allocated memory was 163.6MB in the beginning and 249.6MB in the end (delta: 86.0MB). Free memory was 79.6MB in the beginning and 176.7MB in the end (delta: -97.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-20 15:01:06,577 INFO L158 Benchmark]: Witness Printer took 94.05ms. Allocated memory is still 249.6MB. Free memory was 176.7MB in the beginning and 171.8MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-20 15:01:06,578 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.17ms. Allocated memory is still 163.6MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 273.61ms. Allocated memory is still 163.6MB. Free memory was 110.1MB in the beginning and 97.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 33.71ms. Allocated memory is still 163.6MB. Free memory was 97.1MB in the beginning and 95.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 36.58ms. Allocated memory is still 163.6MB. Free memory was 95.3MB in the beginning and 93.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 313.53ms. Allocated memory is still 163.6MB. Free memory was 93.4MB in the beginning and 80.3MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 5497.43ms. Allocated memory was 163.6MB in the beginning and 249.6MB in the end (delta: 86.0MB). Free memory was 79.6MB in the beginning and 176.7MB in the end (delta: -97.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 94.05ms. Allocated memory is still 249.6MB. Free memory was 176.7MB in the beginning and 171.8MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: 3]: all allocated memory was freed
For all program executions holds that all allocated memory was freed at this location
- PositiveResult [Line: 13]: all allocated memory was freed
For all program executions holds that all allocated memory was freed at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 30 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 5.4s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 75 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 264 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 174 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 293 IncrementalHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 90 mSDtfsCounter, 293 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 55 SyntacticMatches, 3 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, InterpolantAutomatonStates: 37, 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, 7 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 133 ConstructedInterpolants, 0 QuantifiedInterpolants, 1568 SizeOfPredicates, 17 NumberOfNonLiveVariables, 225 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 4/13 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
10 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-11-20 15:01:06,603 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