./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/array-2.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
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/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/array-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8df294a242896c5bf5c0de59a6565bdcc2051c441282e921edcd2c4fccba4c24
--- Real Ultimate output ---
This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m
[2024-11-19 20:52:31,872 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-19 20:52:31,917 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-19 20:52:31,922 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-19 20:52:31,922 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-19 20:52:31,940 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-19 20:52:31,941 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-19 20:52:31,941 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-19 20:52:31,941 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-19 20:52:31,942 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-19 20:52:31,942 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-19 20:52:31,942 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-19 20:52:31,942 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-19 20:52:31,943 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-19 20:52:31,943 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-19 20:52:31,943 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-19 20:52:31,943 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-19 20:52:31,944 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-19 20:52:31,944 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-19 20:52:31,944 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-19 20:52:31,944 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-19 20:52:31,948 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-19 20:52:31,948 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-19 20:52:31,949 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-19 20:52:31,949 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-19 20:52:31,949 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-19 20:52:31,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-19 20:52:31,949 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-19 20:52:31,949 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-19 20:52:31,950 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-19 20:52:31,950 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-19 20:52:31,950 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-19 20:52:31,950 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-19 20:52:31,950 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-19 20:52:31,951 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-19 20:52:31,951 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-19 20:52:31,951 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-19 20:52:31,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-19 20:52:31,951 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-19 20:52:31,951 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-19 20:52:31,952 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-19 20:52:31,953 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-19 20:52:31,953 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8df294a242896c5bf5c0de59a6565bdcc2051c441282e921edcd2c4fccba4c24
[2024-11-19 20:52:32,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-19 20:52:32,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-19 20:52:32,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-19 20:52:32,154 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-19 20:52:32,155 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-19 20:52:32,156 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/array-2.c
[2024-11-19 20:52:33,292 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-19 20:52:33,410 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-19 20:52:33,411 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/array-2.c
[2024-11-19 20:52:33,416 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b16788b95/137e6b771c404fc98a168195b9a1fe05/FLAG3c9055974
[2024-11-19 20:52:33,425 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b16788b95/137e6b771c404fc98a168195b9a1fe05
[2024-11-19 20:52:33,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-19 20:52:33,428 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-19 20:52:33,430 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-19 20:52:33,430 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-19 20:52:33,434 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-19 20:52:33,434 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:52:33" (1/1) ...
[2024-11-19 20:52:33,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@303b6fd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:52:33, skipping insertion in model container
[2024-11-19 20:52:33,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:52:33" (1/1) ...
[2024-11-19 20:52:33,451 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-19 20:52:33,572 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/array-2.c[319,332]
[2024-11-19 20:52:33,584 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-19 20:52:33,590 INFO L200 MainTranslator]: Completed pre-run
[2024-11-19 20:52:33,598 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/array-2.c[319,332]
[2024-11-19 20:52:33,602 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-19 20:52:33,613 INFO L204 MainTranslator]: Completed translation
[2024-11-19 20:52:33,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:52:33 WrapperNode
[2024-11-19 20:52:33,614 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-19 20:52:33,614 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-19 20:52:33,614 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-19 20:52:33,614 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-19 20:52:33,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:52:33" (1/1) ...
[2024-11-19 20:52:33,624 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:52:33" (1/1) ...
[2024-11-19 20:52:33,638 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 51
[2024-11-19 20:52:33,638 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-19 20:52:33,639 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-19 20:52:33,649 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-19 20:52:33,649 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-19 20:52:33,659 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:52:33" (1/1) ...
[2024-11-19 20:52:33,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:52:33" (1/1) ...
[2024-11-19 20:52:33,660 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:52:33" (1/1) ...
[2024-11-19 20:52:33,668 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].
[2024-11-19 20:52:33,668 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:52:33" (1/1) ...
[2024-11-19 20:52:33,668 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:52:33" (1/1) ...
[2024-11-19 20:52:33,671 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:52:33" (1/1) ...
[2024-11-19 20:52:33,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:52:33" (1/1) ...
[2024-11-19 20:52:33,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:52:33" (1/1) ...
[2024-11-19 20:52:33,674 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:52:33" (1/1) ...
[2024-11-19 20:52:33,677 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-19 20:52:33,677 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-19 20:52:33,677 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-19 20:52:33,678 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-19 20:52:33,678 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:52:33" (1/1) ...
[2024-11-19 20:52:33,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-19 20:52:33,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-19 20:52:33,716 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)
[2024-11-19 20:52:33,718 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
[2024-11-19 20:52:33,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-19 20:52:33,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-19 20:52:33,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-19 20:52:33,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-19 20:52:33,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-19 20:52:33,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-19 20:52:33,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-19 20:52:33,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-19 20:52:33,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-19 20:52:33,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-19 20:52:33,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-19 20:52:33,820 INFO L238 CfgBuilder]: Building ICFG
[2024-11-19 20:52:33,822 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-19 20:52:33,952 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live.
[2024-11-19 20:52:33,952 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-19 20:52:33,962 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-19 20:52:33,962 INFO L316 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-19 20:52:33,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:52:33 BoogieIcfgContainer
[2024-11-19 20:52:33,963 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-19 20:52:33,964 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-19 20:52:33,965 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-19 20:52:33,967 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-19 20:52:33,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:52:33" (1/3) ...
[2024-11-19 20:52:33,968 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@372ca668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:52:33, skipping insertion in model container
[2024-11-19 20:52:33,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:52:33" (2/3) ...
[2024-11-19 20:52:33,968 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@372ca668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:52:33, skipping insertion in model container
[2024-11-19 20:52:33,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:52:33" (3/3) ...
[2024-11-19 20:52:33,969 INFO L112 eAbstractionObserver]: Analyzing ICFG array-2.c
[2024-11-19 20:52:33,981 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-19 20:52:33,981 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-19 20:52:34,023 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-19 20:52:34,029 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@577bda33, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-19 20:52:34,029 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-19 20:52:34,032 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 12 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)
[2024-11-19 20:52:34,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2024-11-19 20:52:34,035 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-19 20:52:34,036 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-19 20:52:34,036 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-19 20:52:34,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 20:52:34,040 INFO L85 PathProgramCache]: Analyzing trace with hash 889937703, now seen corresponding path program 1 times
[2024-11-19 20:52:34,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 20:52:34,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183268671]
[2024-11-19 20:52:34,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 20:52:34,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 20:52:34,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 20:52:34,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-19 20:52:34,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 20:52:34,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183268671]
[2024-11-19 20:52:34,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183268671] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 20:52:34,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 20:52:34,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-19 20:52:34,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492199224]
[2024-11-19 20:52:34,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 20:52:34,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-19 20:52:34,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 20:52:34,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-19 20:52:34,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-19 20:52:34,183 INFO L87 Difference]: Start difference. First operand has 13 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 12 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) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-19 20:52:34,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-19 20:52:34,191 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions.
[2024-11-19 20:52:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-19 20:52:34,192 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2024-11-19 20:52:34,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-19 20:52:34,197 INFO L225 Difference]: With dead ends: 21
[2024-11-19 20:52:34,197 INFO L226 Difference]: Without dead ends: 9
[2024-11-19 20:52:34,199 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-19 20:52:34,201 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-19 20:52:34,202 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-19 20:52:34,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states.
[2024-11-19 20:52:34,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9.
[2024-11-19 20:52:34,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-19 20:52:34,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions.
[2024-11-19 20:52:34,223 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 6
[2024-11-19 20:52:34,223 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-19 20:52:34,223 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions.
[2024-11-19 20:52:34,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-19 20:52:34,223 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions.
[2024-11-19 20:52:34,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2024-11-19 20:52:34,224 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-19 20:52:34,224 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-19 20:52:34,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-19 20:52:34,225 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-19 20:52:34,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 20:52:34,225 INFO L85 PathProgramCache]: Analyzing trace with hash 889610002, now seen corresponding path program 1 times
[2024-11-19 20:52:34,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 20:52:34,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419295135]
[2024-11-19 20:52:34,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 20:52:34,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 20:52:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 20:52:34,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-19 20:52:34,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 20:52:34,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419295135]
[2024-11-19 20:52:34,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419295135] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 20:52:34,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 20:52:34,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-19 20:52:34,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794717173]
[2024-11-19 20:52:34,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 20:52:34,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-19 20:52:34,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 20:52:34,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-19 20:52:34,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-19 20:52:34,415 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-19 20:52:34,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-19 20:52:34,439 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions.
[2024-11-19 20:52:34,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-19 20:52:34,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2024-11-19 20:52:34,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-19 20:52:34,440 INFO L225 Difference]: With dead ends: 16
[2024-11-19 20:52:34,440 INFO L226 Difference]: Without dead ends: 12
[2024-11-19 20:52:34,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-19 20:52:34,441 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 3 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-19 20:52:34,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 12 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-19 20:52:34,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states.
[2024-11-19 20:52:34,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 10.
[2024-11-19 20:52:34,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-19 20:52:34,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions.
[2024-11-19 20:52:34,445 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 6
[2024-11-19 20:52:34,446 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-19 20:52:34,446 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions.
[2024-11-19 20:52:34,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-19 20:52:34,446 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions.
[2024-11-19 20:52:34,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-19 20:52:34,447 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-19 20:52:34,447 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-19 20:52:34,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-19 20:52:34,447 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-19 20:52:34,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 20:52:34,448 INFO L85 PathProgramCache]: Analyzing trace with hash -332619814, now seen corresponding path program 1 times
[2024-11-19 20:52:34,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 20:52:34,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236968756]
[2024-11-19 20:52:34,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 20:52:34,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 20:52:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-19 20:52:34,478 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-19 20:52:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-19 20:52:34,521 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-19 20:52:34,521 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-19 20:52:34,522 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-19 20:52:34,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-19 20:52:34,526 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-11-19 20:52:34,541 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-19 20:52:34,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:52:34 BoogieIcfgContainer
[2024-11-19 20:52:34,545 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-19 20:52:34,546 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-19 20:52:34,546 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-19 20:52:34,546 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-19 20:52:34,547 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:52:33" (3/4) ...
[2024-11-19 20:52:34,548 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-19 20:52:34,580 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-19 20:52:34,581 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-19 20:52:34,581 INFO L158 Benchmark]: Toolchain (without parser) took 1152.88ms. Allocated memory was 146.8MB in the beginning and 207.6MB in the end (delta: 60.8MB). Free memory was 76.8MB in the beginning and 160.7MB in the end (delta: -83.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-19 20:52:34,581 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 146.8MB. Free memory is still 95.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-19 20:52:34,582 INFO L158 Benchmark]: CACSL2BoogieTranslator took 184.29ms. Allocated memory is still 146.8MB. Free memory was 76.5MB in the beginning and 64.3MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-19 20:52:34,582 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.10ms. Allocated memory is still 146.8MB. Free memory was 64.3MB in the beginning and 62.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-19 20:52:34,583 INFO L158 Benchmark]: Boogie Preprocessor took 38.10ms. Allocated memory is still 146.8MB. Free memory was 62.8MB in the beginning and 115.8MB in the end (delta: -53.0MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB.
[2024-11-19 20:52:34,583 INFO L158 Benchmark]: RCFGBuilder took 285.55ms. Allocated memory was 146.8MB in the beginning and 207.6MB in the end (delta: 60.8MB). Free memory was 115.7MB in the beginning and 168.5MB in the end (delta: -52.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2024-11-19 20:52:34,584 INFO L158 Benchmark]: TraceAbstraction took 581.10ms. Allocated memory is still 207.6MB. Free memory was 168.5MB in the beginning and 161.7MB in the end (delta: 6.8MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB.
[2024-11-19 20:52:34,585 INFO L158 Benchmark]: Witness Printer took 34.93ms. Allocated memory is still 207.6MB. Free memory was 161.7MB in the beginning and 160.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-19 20:52:34,586 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.13ms. Allocated memory is still 146.8MB. Free memory is still 95.7MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 184.29ms. Allocated memory is still 146.8MB. Free memory was 76.5MB in the beginning and 64.3MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 24.10ms. Allocated memory is still 146.8MB. Free memory was 64.3MB in the beginning and 62.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 38.10ms. Allocated memory is still 146.8MB. Free memory was 62.8MB in the beginning and 115.8MB in the end (delta: -53.0MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 285.55ms. Allocated memory was 146.8MB in the beginning and 207.6MB in the end (delta: 60.8MB). Free memory was 115.7MB in the beginning and 168.5MB in the end (delta: -52.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* TraceAbstraction took 581.10ms. Allocated memory is still 207.6MB. Free memory was 168.5MB in the beginning and 161.7MB in the end (delta: 6.8MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB.
* Witness Printer took 34.93ms. Allocated memory is still 207.6MB. Free memory was 161.7MB in the beginning and 160.7MB in the end (delta: 1.0MB). There was no memory consumed. 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
- CounterExampleResult [Line: 7]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L15] unsigned int SIZE=1;
[L16] unsigned int j,k;
[L17] int array[SIZE], menor;
[L19] menor = __VERIFIER_nondet_int()
[L21] j=0
VAL [SIZE=1, array={5:0}, j=0, menor=0]
[L21] COND TRUE j<SIZE
[L22] array[j] = __VERIFIER_nondet_int()
[L24] EXPR array[j]
[L24] COND TRUE array[j]<=menor
[L25] EXPR array[j]
[L25] menor = array[j]
VAL [SIZE=1, array={5:0}, j=0, menor=0]
[L21] j++
VAL [SIZE=1, array={5:0}, j=1, menor=0]
[L21] COND FALSE !(j<SIZE)
VAL [array={5:0}, menor=0]
[L28] EXPR array[0]
[L28] CALL __VERIFIER_assert(array[0]>menor)
[L6] COND TRUE !(cond)
[L7] reach_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 21 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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
RESULT: Ultimate proved your program to be incorrect!
[2024-11-19 20:52:34,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE