./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/longjmp/68-longjmp_04-counting-local_true.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/longjmp/68-longjmp_04-counting-local_true.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 64bit --witnessprinter.graph.data.programhash fbb32b4b0fc13b053223118a66ace38dea46a70e128659e3b9aa432a1c2485f8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 10:41:19,587 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 10:41:19,657 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-05 10:41:19,660 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 10:41:19,660 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 10:41:19,672 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 10:41:19,673 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 10:41:19,673 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 10:41:19,673 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 10:41:19,674 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 10:41:19,674 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 10:41:19,674 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 10:41:19,674 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 10:41:19,674 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 10:41:19,674 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 10:41:19,674 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 10:41:19,674 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 10:41:19,674 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 10:41:19,675 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 10:41:19,675 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 10:41:19,675 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 10:41:19,675 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 10:41:19,675 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 10:41:19,675 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 10:41:19,675 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 10:41:19,675 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 10:41:19,675 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 10:41:19,675 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 10:41:19,675 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 10:41:19,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 10:41:19,676 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 10:41:19,676 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 10:41:19,676 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 10:41:19,676 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 10:41:19,676 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 10:41:19,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 10:41:19,676 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 10:41:19,676 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 10:41:19,676 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 10:41:19,676 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 10:41:19,676 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbb32b4b0fc13b053223118a66ace38dea46a70e128659e3b9aa432a1c2485f8 [2025-02-05 10:41:19,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 10:41:19,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 10:41:19,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 10:41:19,907 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 10:41:19,907 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 10:41:19,908 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/longjmp/68-longjmp_04-counting-local_true.i [2025-02-05 10:41:21,087 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/aaecb6f6a/d12ddb966bcb4581918d4c4c2d285dab/FLAGf78d7e5e5 [2025-02-05 10:41:21,386 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 10:41:21,387 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_04-counting-local_true.i [2025-02-05 10:41:21,394 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/aaecb6f6a/d12ddb966bcb4581918d4c4c2d285dab/FLAGf78d7e5e5 [2025-02-05 10:41:21,410 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/aaecb6f6a/d12ddb966bcb4581918d4c4c2d285dab [2025-02-05 10:41:21,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 10:41:21,413 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 10:41:21,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 10:41:21,414 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 10:41:21,418 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 10:41:21,419 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:41:21" (1/1) ... [2025-02-05 10:41:21,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5113b571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:41:21, skipping insertion in model container [2025-02-05 10:41:21,420 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:41:21" (1/1) ... [2025-02-05 10:41:21,431 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 10:41:21,532 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_04-counting-local_true.i[1088,1101] [2025-02-05 10:41:21,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 10:41:21,558 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 10:41:21,564 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_04-counting-local_true.i[1088,1101] [2025-02-05 10:41:21,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 10:41:21,577 INFO L204 MainTranslator]: Completed translation [2025-02-05 10:41:21,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:41:21 WrapperNode [2025-02-05 10:41:21,578 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 10:41:21,578 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 10:41:21,578 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 10:41:21,578 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 10:41:21,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:41:21" (1/1) ... [2025-02-05 10:41:21,587 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:41:21" (1/1) ... [2025-02-05 10:41:21,596 INFO L138 Inliner]: procedures = 21, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44 [2025-02-05 10:41:21,597 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 10:41:21,597 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 10:41:21,597 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 10:41:21,597 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 10:41:21,602 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:41:21" (1/1) ... [2025-02-05 10:41:21,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:41:21" (1/1) ... [2025-02-05 10:41:21,602 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:41:21" (1/1) ... [2025-02-05 10:41:21,616 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-05 10:41:21,616 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:41:21" (1/1) ... [2025-02-05 10:41:21,616 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:41:21" (1/1) ... [2025-02-05 10:41:21,618 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:41:21" (1/1) ... [2025-02-05 10:41:21,619 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:41:21" (1/1) ... [2025-02-05 10:41:21,620 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:41:21" (1/1) ... [2025-02-05 10:41:21,620 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:41:21" (1/1) ... [2025-02-05 10:41:21,621 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 10:41:21,625 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 10:41:21,625 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 10:41:21,625 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 10:41:21,626 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:41:21" (1/1) ... [2025-02-05 10:41:21,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 10:41:21,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 10:41:21,653 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-05 10:41:21,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-05 10:41:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 10:41:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 10:41:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 10:41:21,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 10:41:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-05 10:41:21,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-05 10:41:21,713 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 10:41:21,715 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 10:41:21,809 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2025-02-05 10:41:21,809 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 10:41:21,822 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 10:41:21,822 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 10:41:21,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 10:41:21 BoogieIcfgContainer [2025-02-05 10:41:21,822 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 10:41:21,824 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 10:41:21,824 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 10:41:21,827 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 10:41:21,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 10:41:21" (1/3) ... [2025-02-05 10:41:21,827 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1783b888 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 10:41:21, skipping insertion in model container [2025-02-05 10:41:21,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:41:21" (2/3) ... [2025-02-05 10:41:21,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1783b888 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 10:41:21, skipping insertion in model container [2025-02-05 10:41:21,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 10:41:21" (3/3) ... [2025-02-05 10:41:21,828 INFO L128 eAbstractionObserver]: Analyzing ICFG 68-longjmp_04-counting-local_true.i [2025-02-05 10:41:21,837 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 10:41:21,838 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 68-longjmp_04-counting-local_true.i that has 2 procedures, 18 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2025-02-05 10:41:21,867 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 10:41:21,874 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;@1edda7d1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 10:41:21,874 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-05 10:41:21,876 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 15 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-05 10:41:21,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-05 10:41:21,880 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 10:41:21,880 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-05 10:41:21,881 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 10:41:21,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 10:41:21,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1085228957, now seen corresponding path program 1 times [2025-02-05 10:41:21,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 10:41:21,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626655424] [2025-02-05 10:41:21,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 10:41:21,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 10:41:21,947 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-05 10:41:21,978 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-05 10:41:21,978 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 10:41:21,978 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 10:41:22,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 10:41:22,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 10:41:22,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626655424] [2025-02-05 10:41:22,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626655424] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 10:41:22,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 10:41:22,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 10:41:22,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861128917] [2025-02-05 10:41:22,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 10:41:22,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-05 10:41:22,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 10:41:22,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-05 10:41:22,266 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 10:41:22,267 INFO L87 Difference]: Start difference. First operand has 18 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 15 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 10:41:22,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 10:41:22,304 INFO L93 Difference]: Finished difference Result 25 states and 30 transitions. [2025-02-05 10:41:22,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-05 10:41:22,306 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-02-05 10:41:22,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 10:41:22,314 INFO L225 Difference]: With dead ends: 25 [2025-02-05 10:41:22,314 INFO L226 Difference]: Without dead ends: 11 [2025-02-05 10:41:22,318 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-02-05 10:41:22,320 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 5 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 10:41:22,321 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 25 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 10:41:22,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2025-02-05 10:41:22,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2025-02-05 10:41:22,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.0) internal successors, (8), 8 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-05 10:41:22,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 10 transitions. [2025-02-05 10:41:22,347 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 10 transitions. Word has length 7 [2025-02-05 10:41:22,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 10:41:22,348 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 10 transitions. [2025-02-05 10:41:22,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 10:41:22,348 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2025-02-05 10:41:22,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-02-05 10:41:22,349 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 10:41:22,349 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 10:41:22,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-05 10:41:22,350 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 10:41:22,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 10:41:22,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1835957009, now seen corresponding path program 1 times [2025-02-05 10:41:22,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 10:41:22,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482219900] [2025-02-05 10:41:22,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 10:41:22,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 10:41:22,379 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-05 10:41:22,393 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-05 10:41:22,396 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 10:41:22,397 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 10:41:22,397 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-05 10:41:22,400 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-05 10:41:22,412 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-05 10:41:22,412 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 10:41:22,412 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 10:41:22,428 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-05 10:41:22,429 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-05 10:41:22,430 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2025-02-05 10:41:22,431 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2025-02-05 10:41:22,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-05 10:41:22,434 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-05 10:41:22,447 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 10:41:22,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 10:41:22 BoogieIcfgContainer [2025-02-05 10:41:22,451 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 10:41:22,452 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 10:41:22,452 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 10:41:22,452 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 10:41:22,452 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 10:41:21" (3/4) ... [2025-02-05 10:41:22,454 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-05 10:41:22,455 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 10:41:22,456 INFO L158 Benchmark]: Toolchain (without parser) took 1042.92ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 35.3MB in the end (delta: 69.4MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2025-02-05 10:41:22,456 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 10:41:22,456 INFO L158 Benchmark]: CACSL2BoogieTranslator took 164.55ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 94.0MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 10:41:22,456 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.34ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 92.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 10:41:22,457 INFO L158 Benchmark]: Boogie Preprocessor took 23.88ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 90.8MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 10:41:22,457 INFO L158 Benchmark]: IcfgBuilder took 197.71ms. Allocated memory is still 142.6MB. Free memory was 90.8MB in the beginning and 80.3MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 10:41:22,458 INFO L158 Benchmark]: TraceAbstraction took 627.29ms. Allocated memory is still 142.6MB. Free memory was 79.3MB in the beginning and 35.3MB in the end (delta: 44.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-05 10:41:22,458 INFO L158 Benchmark]: Witness Printer took 3.25ms. Allocated memory is still 142.6MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 10:41:22,459 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 164.55ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 94.0MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.34ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 92.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.88ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 90.8MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 197.71ms. Allocated memory is still 142.6MB. Free memory was 90.8MB in the beginning and 80.3MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 627.29ms. Allocated memory is still 142.6MB. Free memory was 79.3MB in the beginning and 35.3MB in the end (delta: 44.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 3.25ms. Allocated memory is still 142.6MB. Free memory is still 35.3MB. 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 - UnprovableResult [Line: 48]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of longjmp at line 48. Possible FailurePath: [L44] jmp_buf my_jump_buffer; [L52] volatile int count = 0; VAL [count=0] [L54] COND TRUE count < 5 [L55] count++ [L56] CALL foo(count) [L47] CALL __VERIFIER_assert(count >= 0 && count <= 5) VAL [\old(cond)=1] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L47] RET __VERIFIER_assert(count >= 0 && count <= 5) VAL [count=1] [L48] longjmp(my_jump_buffer, 1) VAL [count=1] - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 6 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-02-05 10:41:22,477 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/longjmp/68-longjmp_04-counting-local_true.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 64bit --witnessprinter.graph.data.programhash fbb32b4b0fc13b053223118a66ace38dea46a70e128659e3b9aa432a1c2485f8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 10:41:24,505 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 10:41:24,574 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2025-02-05 10:41:24,578 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 10:41:24,578 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 10:41:24,592 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 10:41:24,592 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 10:41:24,593 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 10:41:24,593 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 10:41:24,593 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 10:41:24,593 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 10:41:24,593 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 10:41:24,593 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 10:41:24,593 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 10:41:24,593 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 10:41:24,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 10:41:24,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 10:41:24,594 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 10:41:24,594 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 10:41:24,594 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 10:41:24,594 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 10:41:24,594 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-05 10:41:24,594 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-05 10:41:24,594 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-05 10:41:24,594 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 10:41:24,594 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 10:41:24,595 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 10:41:24,595 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 10:41:24,595 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 10:41:24,595 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 10:41:24,595 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 10:41:24,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 10:41:24,595 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 10:41:24,595 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 10:41:24,595 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 10:41:24,595 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 10:41:24,596 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-05 10:41:24,596 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-05 10:41:24,596 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 10:41:24,596 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 10:41:24,596 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 10:41:24,596 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 10:41:24,596 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbb32b4b0fc13b053223118a66ace38dea46a70e128659e3b9aa432a1c2485f8 [2025-02-05 10:41:24,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 10:41:24,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 10:41:24,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 10:41:24,835 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 10:41:24,835 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 10:41:24,836 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/longjmp/68-longjmp_04-counting-local_true.i [2025-02-05 10:41:26,079 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a51317f7c/978969fbc34a47fc9ac7de22a7f42a7f/FLAG223e09812 [2025-02-05 10:41:26,306 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 10:41:26,307 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_04-counting-local_true.i [2025-02-05 10:41:26,313 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a51317f7c/978969fbc34a47fc9ac7de22a7f42a7f/FLAG223e09812 [2025-02-05 10:41:26,666 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a51317f7c/978969fbc34a47fc9ac7de22a7f42a7f [2025-02-05 10:41:26,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 10:41:26,669 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 10:41:26,671 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 10:41:26,671 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 10:41:26,674 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 10:41:26,675 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:41:26" (1/1) ... [2025-02-05 10:41:26,676 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48b6c87b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:41:26, skipping insertion in model container [2025-02-05 10:41:26,676 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:41:26" (1/1) ... [2025-02-05 10:41:26,686 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 10:41:26,785 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_04-counting-local_true.i[1088,1101] [2025-02-05 10:41:26,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 10:41:26,805 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 10:41:26,813 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_04-counting-local_true.i[1088,1101] [2025-02-05 10:41:26,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 10:41:26,831 INFO L204 MainTranslator]: Completed translation [2025-02-05 10:41:26,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:41:26 WrapperNode [2025-02-05 10:41:26,833 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 10:41:26,834 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 10:41:26,834 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 10:41:26,834 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 10:41:26,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:41:26" (1/1) ... [2025-02-05 10:41:26,845 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:41:26" (1/1) ... [2025-02-05 10:41:26,861 INFO L138 Inliner]: procedures = 21, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44 [2025-02-05 10:41:26,862 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 10:41:26,862 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 10:41:26,863 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 10:41:26,864 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 10:41:26,869 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:41:26" (1/1) ... [2025-02-05 10:41:26,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:41:26" (1/1) ... [2025-02-05 10:41:26,870 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:41:26" (1/1) ... [2025-02-05 10:41:26,882 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-05 10:41:26,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:41:26" (1/1) ... [2025-02-05 10:41:26,884 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:41:26" (1/1) ... [2025-02-05 10:41:26,888 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:41:26" (1/1) ... [2025-02-05 10:41:26,892 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:41:26" (1/1) ... [2025-02-05 10:41:26,893 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:41:26" (1/1) ... [2025-02-05 10:41:26,894 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:41:26" (1/1) ... [2025-02-05 10:41:26,897 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 10:41:26,898 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 10:41:26,898 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 10:41:26,901 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 10:41:26,902 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:41:26" (1/1) ... [2025-02-05 10:41:26,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 10:41:26,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 10:41:26,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-05 10:41:26,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-05 10:41:26,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 10:41:26,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-05 10:41:26,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 10:41:26,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 10:41:26,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-05 10:41:26,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-05 10:41:27,006 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 10:41:27,008 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 10:41:27,157 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2025-02-05 10:41:27,157 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 10:41:27,168 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 10:41:27,168 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 10:41:27,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 10:41:27 BoogieIcfgContainer [2025-02-05 10:41:27,168 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 10:41:27,170 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 10:41:27,170 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 10:41:27,176 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 10:41:27,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 10:41:26" (1/3) ... [2025-02-05 10:41:27,177 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179046ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 10:41:27, skipping insertion in model container [2025-02-05 10:41:27,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:41:26" (2/3) ... [2025-02-05 10:41:27,178 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179046ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 10:41:27, skipping insertion in model container [2025-02-05 10:41:27,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 10:41:27" (3/3) ... [2025-02-05 10:41:27,179 INFO L128 eAbstractionObserver]: Analyzing ICFG 68-longjmp_04-counting-local_true.i [2025-02-05 10:41:27,190 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 10:41:27,192 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 68-longjmp_04-counting-local_true.i that has 2 procedures, 18 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2025-02-05 10:41:27,235 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 10:41:27,243 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;@1f3b67ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 10:41:27,243 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-05 10:41:27,247 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 15 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-05 10:41:27,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-05 10:41:27,252 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 10:41:27,253 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-05 10:41:27,254 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 10:41:27,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 10:41:27,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1085228957, now seen corresponding path program 1 times [2025-02-05 10:41:27,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 10:41:27,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1419364583] [2025-02-05 10:41:27,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 10:41:27,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 10:41:27,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 10:41:27,272 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 10:41:27,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-05 10:41:27,362 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-05 10:41:27,384 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-05 10:41:27,384 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 10:41:27,384 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 10:41:27,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-05 10:41:27,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 10:41:27,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 10:41:27,493 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 10:41:27,493 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-05 10:41:27,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419364583] [2025-02-05 10:41:27,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419364583] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 10:41:27,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 10:41:27,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 10:41:27,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847698] [2025-02-05 10:41:27,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 10:41:27,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-05 10:41:27,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-05 10:41:27,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-05 10:41:27,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 10:41:27,516 INFO L87 Difference]: Start difference. First operand has 18 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 15 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 10:41:27,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 10:41:27,569 INFO L93 Difference]: Finished difference Result 25 states and 30 transitions. [2025-02-05 10:41:27,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-05 10:41:27,574 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-02-05 10:41:27,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 10:41:27,578 INFO L225 Difference]: With dead ends: 25 [2025-02-05 10:41:27,579 INFO L226 Difference]: Without dead ends: 11 [2025-02-05 10:41:27,581 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-02-05 10:41:27,583 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 5 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 10:41:27,583 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 25 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 10:41:27,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2025-02-05 10:41:27,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2025-02-05 10:41:27,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.0) internal successors, (8), 8 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-05 10:41:27,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 10 transitions. [2025-02-05 10:41:27,609 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 10 transitions. Word has length 7 [2025-02-05 10:41:27,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 10:41:27,609 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 10 transitions. [2025-02-05 10:41:27,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 10:41:27,609 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2025-02-05 10:41:27,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-02-05 10:41:27,609 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 10:41:27,610 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 10:41:27,620 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-05 10:41:27,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 10:41:27,815 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 10:41:27,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 10:41:27,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1835957009, now seen corresponding path program 1 times [2025-02-05 10:41:27,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 10:41:27,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1011792951] [2025-02-05 10:41:27,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 10:41:27,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 10:41:27,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 10:41:27,819 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 10:41:27,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-05 10:41:27,885 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-05 10:41:27,921 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-05 10:41:27,922 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 10:41:27,922 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 10:41:27,922 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-05 10:41:27,930 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-05 10:41:27,952 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-05 10:41:27,952 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 10:41:27,952 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 10:41:27,964 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-02-05 10:41:27,964 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-05 10:41:27,965 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2025-02-05 10:41:27,966 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2025-02-05 10:41:27,976 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-05 10:41:28,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 10:41:28,174 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-05 10:41:28,184 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 10:41:28,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 10:41:28 BoogieIcfgContainer [2025-02-05 10:41:28,189 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 10:41:28,190 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 10:41:28,190 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 10:41:28,190 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 10:41:28,192 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 10:41:27" (3/4) ... [2025-02-05 10:41:28,193 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-05 10:41:28,194 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 10:41:28,195 INFO L158 Benchmark]: Toolchain (without parser) took 1525.00ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 86.7MB in the end (delta: 6.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2025-02-05 10:41:28,195 INFO L158 Benchmark]: CDTParser took 1.76ms. Allocated memory is still 83.9MB. Free memory was 62.5MB in the beginning and 62.4MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 10:41:28,195 INFO L158 Benchmark]: CACSL2BoogieTranslator took 161.96ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.0MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 10:41:28,196 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.46ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 10:41:28,196 INFO L158 Benchmark]: Boogie Preprocessor took 34.82ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.4MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 10:41:28,197 INFO L158 Benchmark]: IcfgBuilder took 270.43ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 67.3MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 10:41:28,197 INFO L158 Benchmark]: TraceAbstraction took 1019.15ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 87.4MB in the end (delta: -20.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 10:41:28,197 INFO L158 Benchmark]: Witness Printer took 4.12ms. Allocated memory is still 117.4MB. Free memory was 87.4MB in the beginning and 86.7MB in the end (delta: 762.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 10:41:28,198 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.76ms. Allocated memory is still 83.9MB. Free memory was 62.5MB in the beginning and 62.4MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 161.96ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.0MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.46ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.82ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.4MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 270.43ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 67.3MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1019.15ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 87.4MB in the end (delta: -20.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.12ms. Allocated memory is still 117.4MB. Free memory was 87.4MB in the beginning and 86.7MB in the end (delta: 762.7kB). 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 - UnprovableResult [Line: 48]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of longjmp at line 48. Possible FailurePath: [L44] jmp_buf my_jump_buffer; [L52] volatile int count = 0; VAL [count=0] [L54] COND TRUE count < 5 [L55] count++ [L56] CALL foo(count) [L47] CALL __VERIFIER_assert(count >= 0 && count <= 5) VAL [\old(cond)=1] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L47] RET __VERIFIER_assert(count >= 0 && count <= 5) VAL [count=1] [L48] longjmp(my_jump_buffer, 1) VAL [count=1] - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 6 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 2 NumberOfNonLiveVariables, 51 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-02-05 10:41:28,214 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample