./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_1_pos.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_1_pos.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e6c741e5e8af81394d4686ce8cef3bf85711386bd6f913b2ac56a8c924bde0a8 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 16:04:13,303 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 16:04:13,383 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-11 16:04:13,389 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 16:04:13,390 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 16:04:13,425 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 16:04:13,426 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 16:04:13,427 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 16:04:13,429 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 16:04:13,430 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 16:04:13,430 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 16:04:13,430 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 16:04:13,431 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 16:04:13,433 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 16:04:13,433 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 16:04:13,433 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 16:04:13,434 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 16:04:13,434 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-11 16:04:13,434 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 16:04:13,436 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 16:04:13,436 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 16:04:13,437 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 16:04:13,438 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 16:04:13,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 16:04:13,438 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 16:04:13,439 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 16:04:13,439 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 16:04:13,440 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 16:04:13,440 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 16:04:13,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 16:04:13,440 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 16:04:13,441 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 16:04:13,441 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 16:04:13,441 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-11 16:04:13,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-11 16:04:13,442 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 16:04:13,442 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 16:04:13,443 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 16:04:13,443 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 16:04:13,443 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6c741e5e8af81394d4686ce8cef3bf85711386bd6f913b2ac56a8c924bde0a8 [2024-11-11 16:04:13,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 16:04:13,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 16:04:13,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 16:04:13,723 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 16:04:13,724 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 16:04:13,725 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_1_pos.i [2024-11-11 16:04:15,137 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 16:04:15,363 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 16:04:15,366 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_1_pos.i [2024-11-11 16:04:15,386 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf740331b/32808879f5e04e57bb0cb6bc4153c0e2/FLAG11a38c99b [2024-11-11 16:04:15,398 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf740331b/32808879f5e04e57bb0cb6bc4153c0e2 [2024-11-11 16:04:15,401 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 16:04:15,402 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 16:04:15,403 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 16:04:15,403 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 16:04:15,408 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 16:04:15,408 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 04:04:15" (1/1) ... [2024-11-11 16:04:15,409 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d86d3f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:15, skipping insertion in model container [2024-11-11 16:04:15,409 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 04:04:15" (1/1) ... [2024-11-11 16:04:15,458 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 16:04:15,643 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_1_pos.i[1094,1107] [2024-11-11 16:04:15,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 16:04:15,820 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 16:04:15,831 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_1_pos.i[1094,1107] [2024-11-11 16:04:15,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 16:04:15,914 INFO L204 MainTranslator]: Completed translation [2024-11-11 16:04:15,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:15 WrapperNode [2024-11-11 16:04:15,915 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 16:04:15,916 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 16:04:15,916 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 16:04:15,917 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 16:04:15,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:15" (1/1) ... [2024-11-11 16:04:15,942 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:15" (1/1) ... [2024-11-11 16:04:15,968 INFO L138 Inliner]: procedures = 187, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-11-11 16:04:15,970 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 16:04:15,971 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 16:04:15,971 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 16:04:15,971 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 16:04:15,981 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:15" (1/1) ... [2024-11-11 16:04:15,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:15" (1/1) ... [2024-11-11 16:04:15,988 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:15" (1/1) ... [2024-11-11 16:04:16,009 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]. [2024-11-11 16:04:16,010 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:15" (1/1) ... [2024-11-11 16:04:16,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:15" (1/1) ... [2024-11-11 16:04:16,014 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:15" (1/1) ... [2024-11-11 16:04:16,017 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:15" (1/1) ... [2024-11-11 16:04:16,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:15" (1/1) ... [2024-11-11 16:04:16,019 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:15" (1/1) ... [2024-11-11 16:04:16,022 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 16:04:16,023 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 16:04:16,023 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 16:04:16,025 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 16:04:16,026 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:15" (1/1) ... [2024-11-11 16:04:16,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 16:04:16,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 16:04:16,074 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-11 16:04:16,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-11 16:04:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 16:04:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-11 16:04:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 16:04:16,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 16:04:16,223 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 16:04:16,226 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 16:04:16,409 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-11 16:04:16,409 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 16:04:16,421 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 16:04:16,421 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-11 16:04:16,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 04:04:16 BoogieIcfgContainer [2024-11-11 16:04:16,423 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 16:04:16,426 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 16:04:16,426 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 16:04:16,429 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 16:04:16,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 04:04:15" (1/3) ... [2024-11-11 16:04:16,430 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ef425eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 04:04:16, skipping insertion in model container [2024-11-11 16:04:16,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:15" (2/3) ... [2024-11-11 16:04:16,431 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ef425eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 04:04:16, skipping insertion in model container [2024-11-11 16:04:16,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 04:04:16" (3/3) ... [2024-11-11 16:04:16,432 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_18-simple-else_unknown_1_pos.i [2024-11-11 16:04:16,453 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 16:04:16,454 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-11 16:04:16,510 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-11 16:04:16,516 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;@455a1631, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 16:04:16,517 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-11 16:04:16,521 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 16:04:16,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-11 16:04:16,526 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:04:16,527 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-11 16:04:16,528 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-11 16:04:16,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:04:16,534 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2024-11-11 16:04:16,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 16:04:16,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684795691] [2024-11-11 16:04:16,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:04:16,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 16:04:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:04:16,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 16:04:16,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 16:04:16,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684795691] [2024-11-11 16:04:16,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684795691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 16:04:16,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 16:04:16,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 16:04:16,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509960040] [2024-11-11 16:04:16,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 16:04:16,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-11 16:04:16,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 16:04:16,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-11 16:04:16,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-11 16:04:16,966 INFO L87 Difference]: Start difference. First operand has 14 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 16:04:17,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 16:04:17,011 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2024-11-11 16:04:17,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 16:04:17,014 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-11 16:04:17,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 16:04:17,021 INFO L225 Difference]: With dead ends: 19 [2024-11-11 16:04:17,021 INFO L226 Difference]: Without dead ends: 8 [2024-11-11 16:04:17,024 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-11 16:04:17,029 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 16:04:17,030 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 10 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 16:04:17,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2024-11-11 16:04:17,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2024-11-11 16:04:17,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 16:04:17,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2024-11-11 16:04:17,059 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 4 [2024-11-11 16:04:17,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 16:04:17,059 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2024-11-11 16:04:17,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 16:04:17,060 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2024-11-11 16:04:17,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-11 16:04:17,061 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:04:17,061 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-11 16:04:17,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-11 16:04:17,061 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-11 16:04:17,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:04:17,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1809678288, now seen corresponding path program 1 times [2024-11-11 16:04:17,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 16:04:17,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234558977] [2024-11-11 16:04:17,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:04:17,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 16:04:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-11 16:04:17,116 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-11 16:04:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-11 16:04:17,152 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-11 16:04:17,152 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-11 16:04:17,155 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2024-11-11 16:04:17,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-11-11 16:04:17,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-11 16:04:17,159 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-11 16:04:17,173 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-11 16:04:17,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.11 04:04:17 BoogieIcfgContainer [2024-11-11 16:04:17,177 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-11 16:04:17,177 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-11 16:04:17,178 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-11 16:04:17,178 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-11 16:04:17,179 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 04:04:16" (3/4) ... [2024-11-11 16:04:17,181 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-11 16:04:17,182 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-11 16:04:17,183 INFO L158 Benchmark]: Toolchain (without parser) took 1780.64ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 103.0MB in the beginning and 141.4MB in the end (delta: -38.4MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2024-11-11 16:04:17,184 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 159.4MB. Free memory is still 118.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 16:04:17,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 511.73ms. Allocated memory is still 159.4MB. Free memory was 102.7MB in the beginning and 78.6MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-11 16:04:17,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.84ms. Allocated memory is still 159.4MB. Free memory was 78.6MB in the beginning and 76.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 16:04:17,188 INFO L158 Benchmark]: Boogie Preprocessor took 51.78ms. Allocated memory is still 159.4MB. Free memory was 76.5MB in the beginning and 74.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 16:04:17,190 INFO L158 Benchmark]: RCFGBuilder took 400.29ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 74.5MB in the beginning and 182.9MB in the end (delta: -108.4MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2024-11-11 16:04:17,190 INFO L158 Benchmark]: TraceAbstraction took 751.10ms. Allocated memory is still 213.9MB. Free memory was 182.3MB in the beginning and 141.4MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-11 16:04:17,191 INFO L158 Benchmark]: Witness Printer took 4.71ms. Allocated memory is still 213.9MB. Free memory is still 141.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 16:04:17,193 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 159.4MB. Free memory is still 118.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 511.73ms. Allocated memory is still 159.4MB. Free memory was 102.7MB in the beginning and 78.6MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.84ms. Allocated memory is still 159.4MB. Free memory was 78.6MB in the beginning and 76.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.78ms. Allocated memory is still 159.4MB. Free memory was 76.5MB in the beginning and 74.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 400.29ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 74.5MB in the beginning and 182.9MB in the end (delta: -108.4MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * TraceAbstraction took 751.10ms. Allocated memory is still 213.9MB. Free memory was 182.3MB in the beginning and 141.4MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 4.71ms. Allocated memory is still 213.9MB. Free memory is still 141.4MB. 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: 727]: 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 727. Possible FailurePath: [L723] jmp_buf env_buffer; [L724] int global = 0; VAL [global=0] [L730] int val; [L731] jmp_buf env_buffer2; [L732] val = _setjmp (env_buffer) [L733] CALL __VERIFIER_assert(global == 0) [L19] COND FALSE !(!(cond)) VAL [global=0] [L733] RET __VERIFIER_assert(global == 0) [L734] COND FALSE !(val != 0) VAL [global=0] [L738] CALL fun() [L726] global = 2 VAL [global=2] [L727] longjmp(env_buffer, 2) VAL [global=2] - 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 1 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 5 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 4, 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, 0.2s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-11 16:04:17,223 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_1_pos.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.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 64bit --witnessprinter.graph.data.programhash e6c741e5e8af81394d4686ce8cef3bf85711386bd6f913b2ac56a8c924bde0a8 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 16:04:19,380 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 16:04:19,470 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-11 16:04:19,476 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 16:04:19,477 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 16:04:19,510 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 16:04:19,512 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 16:04:19,512 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 16:04:19,513 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 16:04:19,513 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 16:04:19,514 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 16:04:19,514 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 16:04:19,515 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 16:04:19,516 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 16:04:19,517 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 16:04:19,518 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 16:04:19,518 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 16:04:19,518 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 16:04:19,518 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 16:04:19,519 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 16:04:19,519 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 16:04:19,522 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-11 16:04:19,522 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-11 16:04:19,522 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 16:04:19,523 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-11 16:04:19,523 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 16:04:19,523 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 16:04:19,523 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 16:04:19,523 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 16:04:19,524 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 16:04:19,524 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 16:04:19,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 16:04:19,524 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 16:04:19,524 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 16:04:19,525 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 16:04:19,525 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-11 16:04:19,525 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-11 16:04:19,527 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 16:04:19,527 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 16:04:19,527 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 16:04:19,527 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 16:04:19,527 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6c741e5e8af81394d4686ce8cef3bf85711386bd6f913b2ac56a8c924bde0a8 [2024-11-11 16:04:19,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 16:04:19,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 16:04:19,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 16:04:19,885 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 16:04:19,886 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 16:04:19,887 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_1_pos.i [2024-11-11 16:04:21,408 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 16:04:21,687 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 16:04:21,688 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_1_pos.i [2024-11-11 16:04:21,705 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d5a07fc8/243fabbe68624fb38264b41b67276f9a/FLAG00bcece57 [2024-11-11 16:04:22,006 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d5a07fc8/243fabbe68624fb38264b41b67276f9a [2024-11-11 16:04:22,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 16:04:22,009 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 16:04:22,011 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 16:04:22,011 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 16:04:22,017 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 16:04:22,018 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 04:04:22" (1/1) ... [2024-11-11 16:04:22,019 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77ddcb38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:22, skipping insertion in model container [2024-11-11 16:04:22,019 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 04:04:22" (1/1) ... [2024-11-11 16:04:22,065 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 16:04:22,267 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_1_pos.i[1094,1107] [2024-11-11 16:04:22,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 16:04:22,526 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 16:04:22,540 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_1_pos.i[1094,1107] [2024-11-11 16:04:22,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 16:04:22,622 INFO L204 MainTranslator]: Completed translation [2024-11-11 16:04:22,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:22 WrapperNode [2024-11-11 16:04:22,623 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 16:04:22,624 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 16:04:22,624 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 16:04:22,625 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 16:04:22,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:22" (1/1) ... [2024-11-11 16:04:22,653 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:22" (1/1) ... [2024-11-11 16:04:22,681 INFO L138 Inliner]: procedures = 188, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-11-11 16:04:22,683 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 16:04:22,684 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 16:04:22,684 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 16:04:22,684 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 16:04:22,693 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:22" (1/1) ... [2024-11-11 16:04:22,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:22" (1/1) ... [2024-11-11 16:04:22,696 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:22" (1/1) ... [2024-11-11 16:04:22,713 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]. [2024-11-11 16:04:22,717 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:22" (1/1) ... [2024-11-11 16:04:22,717 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:22" (1/1) ... [2024-11-11 16:04:22,722 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:22" (1/1) ... [2024-11-11 16:04:22,727 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:22" (1/1) ... [2024-11-11 16:04:22,729 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:22" (1/1) ... [2024-11-11 16:04:22,731 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:22" (1/1) ... [2024-11-11 16:04:22,733 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 16:04:22,734 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 16:04:22,734 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 16:04:22,734 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 16:04:22,735 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:22" (1/1) ... [2024-11-11 16:04:22,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 16:04:22,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 16:04:22,766 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-11 16:04:22,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-11 16:04:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 16:04:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-11 16:04:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 16:04:22,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 16:04:22,926 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 16:04:22,928 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 16:04:23,105 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-11 16:04:23,105 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 16:04:23,117 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 16:04:23,117 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-11 16:04:23,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 04:04:23 BoogieIcfgContainer [2024-11-11 16:04:23,119 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 16:04:23,121 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 16:04:23,122 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 16:04:23,125 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 16:04:23,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 04:04:22" (1/3) ... [2024-11-11 16:04:23,127 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d0ec60d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 04:04:23, skipping insertion in model container [2024-11-11 16:04:23,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:22" (2/3) ... [2024-11-11 16:04:23,127 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d0ec60d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 04:04:23, skipping insertion in model container [2024-11-11 16:04:23,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 04:04:23" (3/3) ... [2024-11-11 16:04:23,138 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_18-simple-else_unknown_1_pos.i [2024-11-11 16:04:23,155 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 16:04:23,155 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-11 16:04:23,218 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-11 16:04:23,225 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;@3d9e3988, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 16:04:23,226 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-11 16:04:23,230 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 16:04:23,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-11 16:04:23,235 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:04:23,236 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-11 16:04:23,237 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-11 16:04:23,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:04:23,244 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2024-11-11 16:04:23,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-11 16:04:23,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [933850210] [2024-11-11 16:04:23,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:04:23,258 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-11 16:04:23,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-11 16:04:23,261 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-11 16:04:23,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-11 16:04:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:04:23,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-11 16:04:23,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 16:04:23,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 16:04:23,421 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 16:04:23,421 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-11 16:04:23,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [933850210] [2024-11-11 16:04:23,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [933850210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 16:04:23,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 16:04:23,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 16:04:23,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652299260] [2024-11-11 16:04:23,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 16:04:23,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-11 16:04:23,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-11 16:04:23,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-11 16:04:23,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-11 16:04:23,459 INFO L87 Difference]: Start difference. First operand has 14 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 16:04:23,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 16:04:23,510 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2024-11-11 16:04:23,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 16:04:23,512 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-11 16:04:23,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 16:04:23,518 INFO L225 Difference]: With dead ends: 19 [2024-11-11 16:04:23,518 INFO L226 Difference]: Without dead ends: 8 [2024-11-11 16:04:23,520 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-11 16:04:23,523 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 16:04:23,524 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 10 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 16:04:23,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2024-11-11 16:04:23,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2024-11-11 16:04:23,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 16:04:23,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2024-11-11 16:04:23,548 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 4 [2024-11-11 16:04:23,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 16:04:23,548 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2024-11-11 16:04:23,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 16:04:23,549 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2024-11-11 16:04:23,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-11 16:04:23,550 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:04:23,550 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-11 16:04:23,556 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-11 16:04:23,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-11 16:04:23,751 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-11 16:04:23,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:04:23,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1809678288, now seen corresponding path program 1 times [2024-11-11 16:04:23,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-11 16:04:23,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1707019490] [2024-11-11 16:04:23,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:04:23,753 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-11 16:04:23,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-11 16:04:23,755 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-11 16:04:23,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-11 16:04:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-11 16:04:23,861 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-11 16:04:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-11 16:04:23,897 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-11 16:04:23,898 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-11 16:04:23,900 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2024-11-11 16:04:23,902 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-11-11 16:04:23,907 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-11 16:04:24,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-11 16:04:24,106 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-11 16:04:24,119 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-11 16:04:24,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.11 04:04:24 BoogieIcfgContainer [2024-11-11 16:04:24,122 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-11 16:04:24,123 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-11 16:04:24,123 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-11 16:04:24,123 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-11 16:04:24,124 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 04:04:23" (3/4) ... [2024-11-11 16:04:24,126 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-11 16:04:24,127 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-11 16:04:24,128 INFO L158 Benchmark]: Toolchain (without parser) took 2119.15ms. Allocated memory was 79.7MB in the beginning and 107.0MB in the end (delta: 27.3MB). Free memory was 51.5MB in the beginning and 75.8MB in the end (delta: -24.2MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2024-11-11 16:04:24,129 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 48.2MB. Free memory was 26.9MB in the beginning and 26.8MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 16:04:24,129 INFO L158 Benchmark]: CACSL2BoogieTranslator took 612.34ms. Allocated memory is still 79.7MB. Free memory was 51.3MB in the beginning and 48.3MB in the end (delta: 3.0MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2024-11-11 16:04:24,130 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.91ms. Allocated memory is still 79.7MB. Free memory was 48.3MB in the beginning and 46.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 16:04:24,130 INFO L158 Benchmark]: Boogie Preprocessor took 49.66ms. Allocated memory is still 79.7MB. Free memory was 46.2MB in the beginning and 43.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-11 16:04:24,131 INFO L158 Benchmark]: RCFGBuilder took 385.29ms. Allocated memory is still 79.7MB. Free memory was 43.7MB in the beginning and 32.5MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-11 16:04:24,131 INFO L158 Benchmark]: TraceAbstraction took 1001.30ms. Allocated memory was 79.7MB in the beginning and 107.0MB in the end (delta: 27.3MB). Free memory was 31.8MB in the beginning and 76.4MB in the end (delta: -44.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 16:04:24,131 INFO L158 Benchmark]: Witness Printer took 4.59ms. Allocated memory is still 107.0MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 16:04:24,134 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 48.2MB. Free memory was 26.9MB in the beginning and 26.8MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 612.34ms. Allocated memory is still 79.7MB. Free memory was 51.3MB in the beginning and 48.3MB in the end (delta: 3.0MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.91ms. Allocated memory is still 79.7MB. Free memory was 48.3MB in the beginning and 46.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.66ms. Allocated memory is still 79.7MB. Free memory was 46.2MB in the beginning and 43.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 385.29ms. Allocated memory is still 79.7MB. Free memory was 43.7MB in the beginning and 32.5MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1001.30ms. Allocated memory was 79.7MB in the beginning and 107.0MB in the end (delta: 27.3MB). Free memory was 31.8MB in the beginning and 76.4MB in the end (delta: -44.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.59ms. Allocated memory is still 107.0MB. Free memory is still 75.8MB. 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: 727]: 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 727. Possible FailurePath: [L723] jmp_buf env_buffer; [L724] int global = 0; VAL [global=0] [L730] int val; [L731] jmp_buf env_buffer2; [L732] val = _setjmp (env_buffer) [L733] CALL __VERIFIER_assert(global == 0) [L19] COND FALSE !(!(cond)) VAL [global=0] [L733] RET __VERIFIER_assert(global == 0) [L734] COND FALSE !(val != 0) VAL [global=0] [L738] CALL fun() [L726] global = 2 VAL [global=2] [L727] longjmp(env_buffer, 2) VAL [global=2] - 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 1 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 5 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 4, 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, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 1 NumberOfNonLiveVariables, 47 ConjunctsInSsa, 4 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-11 16:04:24,167 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 Result: UNKNOWN: Overapproximated counterexample