./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/s5liff.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 61a67961
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/array-fpi/s5liff.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 313fdee9d51d2d32d9bbbae28194d2de22746bec4e3faef916a9b13df3841957
--- Real Ultimate output ---
This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m
[2024-10-13 22:36:15,278 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-10-13 22:36:15,322 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-10-13 22:36:15,325 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-10-13 22:36:15,326 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-10-13 22:36:15,342 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-10-13 22:36:15,342 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-10-13 22:36:15,342 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-10-13 22:36:15,343 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-10-13 22:36:15,343 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-10-13 22:36:15,343 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-10-13 22:36:15,344 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-10-13 22:36:15,344 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-10-13 22:36:15,344 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-10-13 22:36:15,345 INFO L153 SettingsManager]: * Use SBE=true
[2024-10-13 22:36:15,345 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-10-13 22:36:15,345 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-10-13 22:36:15,345 INFO L153 SettingsManager]: * sizeof long=4
[2024-10-13 22:36:15,346 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-10-13 22:36:15,346 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-10-13 22:36:15,346 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-10-13 22:36:15,346 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-10-13 22:36:15,347 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-10-13 22:36:15,347 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-10-13 22:36:15,347 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-10-13 22:36:15,347 INFO L153 SettingsManager]: * sizeof long double=12
[2024-10-13 22:36:15,348 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-10-13 22:36:15,348 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-10-13 22:36:15,348 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-10-13 22:36:15,348 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-10-13 22:36:15,349 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-10-13 22:36:15,349 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-10-13 22:36:15,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-10-13 22:36:15,349 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-10-13 22:36:15,349 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-10-13 22:36:15,349 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-10-13 22:36:15,349 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-10-13 22:36:15,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-10-13 22:36:15,350 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-10-13 22:36:15,350 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-10-13 22:36:15,350 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-10-13 22:36:15,351 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-10-13 22:36:15,351 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 313fdee9d51d2d32d9bbbae28194d2de22746bec4e3faef916a9b13df3841957
[2024-10-13 22:36:15,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-10-13 22:36:15,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-10-13 22:36:15,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-10-13 22:36:15,580 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-10-13 22:36:15,580 INFO L274 PluginConnector]: CDTParser initialized
[2024-10-13 22:36:15,581 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/s5liff.c
[2024-10-13 22:36:16,800 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-10-13 22:36:16,944 INFO L384 CDTParser]: Found 1 translation units.
[2024-10-13 22:36:16,944 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/s5liff.c
[2024-10-13 22:36:16,949 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7b95cfaf/8f3346541f1d4286a8036c5fc5230ec0/FLAG910396390
[2024-10-13 22:36:17,362 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7b95cfaf/8f3346541f1d4286a8036c5fc5230ec0
[2024-10-13 22:36:17,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-10-13 22:36:17,365 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-10-13 22:36:17,367 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-10-13 22:36:17,367 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-10-13 22:36:17,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-10-13 22:36:17,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:36:17" (1/1) ...
[2024-10-13 22:36:17,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@470f0435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:36:17, skipping insertion in model container
[2024-10-13 22:36:17,375 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:36:17" (1/1) ...
[2024-10-13 22:36:17,391 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-10-13 22:36:17,576 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/s5liff.c[589,602]
[2024-10-13 22:36:17,597 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-10-13 22:36:17,603 INFO L200 MainTranslator]: Completed pre-run
[2024-10-13 22:36:17,614 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/s5liff.c[589,602]
[2024-10-13 22:36:17,620 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-10-13 22:36:17,640 INFO L204 MainTranslator]: Completed translation
[2024-10-13 22:36:17,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:36:17 WrapperNode
[2024-10-13 22:36:17,641 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-10-13 22:36:17,641 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-10-13 22:36:17,641 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-10-13 22:36:17,642 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-10-13 22:36:17,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:36:17" (1/1) ...
[2024-10-13 22:36:17,653 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:36:17" (1/1) ...
[2024-10-13 22:36:17,667 INFO L138 Inliner]: procedures = 17, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 81
[2024-10-13 22:36:17,667 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-10-13 22:36:17,668 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-10-13 22:36:17,668 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-10-13 22:36:17,668 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-10-13 22:36:17,676 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:36:17" (1/1) ...
[2024-10-13 22:36:17,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:36:17" (1/1) ...
[2024-10-13 22:36:17,678 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:36:17" (1/1) ...
[2024-10-13 22:36:17,693 INFO L175 MemorySlicer]: Split 13 memory accesses to 3 slices as follows [2, 4, 7]. 54 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 5 writes are split as follows [0, 2, 3].
[2024-10-13 22:36:17,694 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:36:17" (1/1) ...
[2024-10-13 22:36:17,694 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:36:17" (1/1) ...
[2024-10-13 22:36:17,701 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:36:17" (1/1) ...
[2024-10-13 22:36:17,708 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:36:17" (1/1) ...
[2024-10-13 22:36:17,709 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:36:17" (1/1) ...
[2024-10-13 22:36:17,710 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:36:17" (1/1) ...
[2024-10-13 22:36:17,714 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-10-13 22:36:17,714 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-10-13 22:36:17,714 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-10-13 22:36:17,714 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-10-13 22:36:17,715 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:36:17" (1/1) ...
[2024-10-13 22:36:17,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-10-13 22:36:17,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-10-13 22:36:17,744 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)
[2024-10-13 22:36:17,746 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
[2024-10-13 22:36:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-10-13 22:36:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-10-13 22:36:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-10-13 22:36:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-10-13 22:36:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-10-13 22:36:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-10-13 22:36:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-10-13 22:36:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-10-13 22:36:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-10-13 22:36:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-10-13 22:36:17,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-10-13 22:36:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-10-13 22:36:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-10-13 22:36:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2024-10-13 22:36:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-10-13 22:36:17,856 INFO L238 CfgBuilder]: Building ICFG
[2024-10-13 22:36:17,858 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-10-13 22:36:17,980 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live.
[2024-10-13 22:36:17,980 INFO L287 CfgBuilder]: Performing block encoding
[2024-10-13 22:36:18,001 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-10-13 22:36:18,001 INFO L314 CfgBuilder]: Removed 3 assume(true) statements.
[2024-10-13 22:36:18,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:36:18 BoogieIcfgContainer
[2024-10-13 22:36:18,002 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-10-13 22:36:18,003 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-10-13 22:36:18,003 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-10-13 22:36:18,005 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-10-13 22:36:18,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:36:17" (1/3) ...
[2024-10-13 22:36:18,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ada49f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:36:18, skipping insertion in model container
[2024-10-13 22:36:18,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:36:17" (2/3) ...
[2024-10-13 22:36:18,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ada49f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:36:18, skipping insertion in model container
[2024-10-13 22:36:18,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:36:18" (3/3) ...
[2024-10-13 22:36:18,007 INFO L112 eAbstractionObserver]: Analyzing ICFG s5liff.c
[2024-10-13 22:36:18,020 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-10-13 22:36:18,020 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-10-13 22:36:18,060 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-10-13 22:36:18,066 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;@1dd5fc4e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-10-13 22:36:18,066 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-10-13 22:36:18,070 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 16 states have (on average 1.6875) internal successors, (27), 17 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)
[2024-10-13 22:36:18,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-10-13 22:36:18,074 INFO L207 NwaCegarLoop]: Found error trace
[2024-10-13 22:36:18,074 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-13 22:36:18,075 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-13 22:36:18,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-13 22:36:18,080 INFO L85 PathProgramCache]: Analyzing trace with hash 199618784, now seen corresponding path program 1 times
[2024-10-13 22:36:18,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-13 22:36:18,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394490090]
[2024-10-13 22:36:18,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-13 22:36:18,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-13 22:36:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-13 22:36:18,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-13 22:36:18,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-13 22:36:18,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394490090]
[2024-10-13 22:36:18,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394490090] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-13 22:36:18,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-13 22:36:18,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-10-13 22:36:18,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499266628]
[2024-10-13 22:36:18,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-13 22:36:18,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-10-13 22:36:18,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-13 22:36:18,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-10-13 22:36:18,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-10-13 22:36:18,265 INFO L87 Difference]: Start difference. First operand has 18 states, 16 states have (on average 1.6875) internal successors, (27), 17 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) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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)
[2024-10-13 22:36:18,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-13 22:36:18,291 INFO L93 Difference]: Finished difference Result 33 states and 49 transitions.
[2024-10-13 22:36:18,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-10-13 22:36:18,293 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 12
[2024-10-13 22:36:18,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-13 22:36:18,298 INFO L225 Difference]: With dead ends: 33
[2024-10-13 22:36:18,298 INFO L226 Difference]: Without dead ends: 15
[2024-10-13 22:36:18,301 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
[2024-10-13 22:36:18,306 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-10-13 22:36:18,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-10-13 22:36:18,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states.
[2024-10-13 22:36:18,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15.
[2024-10-13 22:36:18,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-13 22:36:18,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions.
[2024-10-13 22:36:18,334 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 18 transitions. Word has length 12
[2024-10-13 22:36:18,334 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-10-13 22:36:18,335 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 18 transitions.
[2024-10-13 22:36:18,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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)
[2024-10-13 22:36:18,335 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions.
[2024-10-13 22:36:18,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-10-13 22:36:18,336 INFO L207 NwaCegarLoop]: Found error trace
[2024-10-13 22:36:18,336 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-13 22:36:18,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-10-13 22:36:18,337 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-13 22:36:18,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-13 22:36:18,337 INFO L85 PathProgramCache]: Analyzing trace with hash -193408226, now seen corresponding path program 1 times
[2024-10-13 22:36:18,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-13 22:36:18,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693378962]
[2024-10-13 22:36:18,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-13 22:36:18,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-13 22:36:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-13 22:36:18,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-13 22:36:18,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-13 22:36:18,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693378962]
[2024-10-13 22:36:18,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693378962] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-13 22:36:18,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-13 22:36:18,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-13 22:36:18,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330799262]
[2024-10-13 22:36:18,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-13 22:36:18,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-13 22:36:18,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-13 22:36:18,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-13 22:36:18,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-10-13 22:36:18,489 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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)
[2024-10-13 22:36:18,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-13 22:36:18,543 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions.
[2024-10-13 22:36:18,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-10-13 22:36:18,544 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 12
[2024-10-13 22:36:18,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-13 22:36:18,545 INFO L225 Difference]: With dead ends: 30
[2024-10-13 22:36:18,545 INFO L226 Difference]: Without dead ends: 20
[2024-10-13 22:36:18,546 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-10-13 22:36:18,548 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 18 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-10-13 22:36:18,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 9 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-10-13 22:36:18,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states.
[2024-10-13 22:36:18,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18.
[2024-10-13 22:36:18,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 17 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-13 22:36:18,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions.
[2024-10-13 22:36:18,553 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 12
[2024-10-13 22:36:18,553 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-10-13 22:36:18,553 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions.
[2024-10-13 22:36:18,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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)
[2024-10-13 22:36:18,555 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions.
[2024-10-13 22:36:18,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2024-10-13 22:36:18,555 INFO L207 NwaCegarLoop]: Found error trace
[2024-10-13 22:36:18,556 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-13 22:36:18,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-10-13 22:36:18,556 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-13 22:36:18,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-13 22:36:18,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1840868648, now seen corresponding path program 1 times
[2024-10-13 22:36:18,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-13 22:36:18,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398701463]
[2024-10-13 22:36:18,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-13 22:36:18,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-13 22:36:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-13 22:36:18,595 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-13 22:36:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-13 22:36:18,642 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-10-13 22:36:18,642 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-10-13 22:36:18,643 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-10-13 22:36:18,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-10-13 22:36:18,648 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-10-13 22:36:18,668 INFO L165 ceAbstractionStarter]: Computing trace abstraction results
[2024-10-13 22:36:18,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 10:36:18 BoogieIcfgContainer
[2024-10-13 22:36:18,673 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-10-13 22:36:18,674 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-10-13 22:36:18,675 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-10-13 22:36:18,676 INFO L274 PluginConnector]: Witness Printer initialized
[2024-10-13 22:36:18,677 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:36:18" (3/4) ...
[2024-10-13 22:36:18,678 INFO L133 WitnessPrinter]: Generating witness for reachability counterexample
[2024-10-13 22:36:18,718 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-10-13 22:36:18,718 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-10-13 22:36:18,719 INFO L158 Benchmark]: Toolchain (without parser) took 1353.67ms. Allocated memory is still 157.3MB. Free memory was 89.6MB in the beginning and 62.9MB in the end (delta: 26.7MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB.
[2024-10-13 22:36:18,719 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 107.0MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-10-13 22:36:18,722 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.67ms. Allocated memory is still 157.3MB. Free memory was 89.4MB in the beginning and 124.0MB in the end (delta: -34.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-10-13 22:36:18,722 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.95ms. Allocated memory is still 157.3MB. Free memory was 124.0MB in the beginning and 122.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-10-13 22:36:18,723 INFO L158 Benchmark]: Boogie Preprocessor took 45.98ms. Allocated memory is still 157.3MB. Free memory was 122.4MB in the beginning and 119.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-10-13 22:36:18,723 INFO L158 Benchmark]: RCFGBuilder took 287.27ms. Allocated memory is still 157.3MB. Free memory was 119.8MB in the beginning and 106.4MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2024-10-13 22:36:18,723 INFO L158 Benchmark]: TraceAbstraction took 670.21ms. Allocated memory is still 157.3MB. Free memory was 105.2MB in the beginning and 65.0MB in the end (delta: 40.2MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB.
[2024-10-13 22:36:18,723 INFO L158 Benchmark]: Witness Printer took 44.28ms. Allocated memory is still 157.3MB. Free memory was 65.0MB in the beginning and 62.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-10-13 22:36:18,724 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 107.0MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 273.67ms. Allocated memory is still 157.3MB. Free memory was 89.4MB in the beginning and 124.0MB in the end (delta: -34.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 25.95ms. Allocated memory is still 157.3MB. Free memory was 124.0MB in the beginning and 122.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 45.98ms. Allocated memory is still 157.3MB. Free memory was 122.4MB in the beginning and 119.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 287.27ms. Allocated memory is still 157.3MB. Free memory was 119.8MB in the beginning and 106.4MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* TraceAbstraction took 670.21ms. Allocated memory is still 157.3MB. Free memory was 105.2MB in the beginning and 65.0MB in the end (delta: 40.2MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB.
* Witness Printer took 44.28ms. Allocated memory is still 157.3MB. Free memory was 65.0MB in the beginning and 62.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- CounterExampleResult [Line: 15]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L19] int N;
[L23] N = __VERIFIER_nondet_int()
[L24] COND FALSE !(N <= 0)
[L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int))
[L13] COND FALSE !(!cond)
VAL [N=1]
[L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int))
[L27] int i;
[L28] long long sum[1];
[L29] int *a = malloc(sizeof(int)*N);
[L31] sum[0] = N
[L32] i=0
VAL [N=1, a={-1:0}, i=0, sum={5:0}]
[L32] COND TRUE i<N
[L34] a[i] = 1
[L32] i++
VAL [N=1, a={-1:0}, i=1, sum={5:0}]
[L32] COND FALSE !(i<N)
VAL [N=1, a={-1:0}, sum={5:0}]
[L37] i=0
VAL [N=1, a={-1:0}, i=0, sum={5:0}]
[L37] COND TRUE i<N
[L39] EXPR a[i]
VAL [N=1]
[L39] COND TRUE a[i] == 1
[L40] EXPR a[i]
[L40] a[i] = a[i] + 5
[L37] i++
VAL [N=1, a={-1:0}, i=1, sum={5:0}]
[L37] COND FALSE !(i<N)
VAL [N=1, a={-1:0}, sum={5:0}]
[L46] i=0
VAL [N=1, a={-1:0}, i=0, sum={5:0}]
[L46] COND TRUE i<N
[L48] EXPR sum[0]
[L48] EXPR a[i]
[L48] sum[0] = sum[0] + a[i]
[L46] i++
VAL [N=1, a={-1:0}, i=1, sum={5:0}]
[L46] COND FALSE !(i<N)
VAL [N=1, a={-1:0}, sum={5:0}]
[L51] EXPR sum[0]
[L51] CALL __VERIFIER_assert(sum[0] == 6*N)
[L15] COND TRUE !(cond)
VAL [N=1]
[L15] reach_error()
VAL [N=1]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 27 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29 IncrementalHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 24 mSDtfsCounter, 29 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 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!
[2024-10-13 22:36:18,751 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