./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_2_neg.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 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_18-simple-else_unknown_2_neg.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 410e0b4a38c89d302ff08a5c0f3773233f16a724a7ef577863a89b7ea0bac4ee --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-08 22:52:03,065 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-08 22:52:03,146 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-08 22:52:03,153 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-08 22:52:03,153 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-08 22:52:03,176 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-08 22:52:03,177 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-08 22:52:03,177 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-08 22:52:03,177 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-08 22:52:03,177 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-08 22:52:03,178 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-08 22:52:03,179 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-08 22:52:03,179 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-08 22:52:03,179 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-08 22:52:03,180 INFO L153 SettingsManager]: * Use SBE=true [2025-01-08 22:52:03,180 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-08 22:52:03,180 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-08 22:52:03,181 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-08 22:52:03,181 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-08 22:52:03,181 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-08 22:52:03,181 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-08 22:52:03,181 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-08 22:52:03,181 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-08 22:52:03,181 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-08 22:52:03,181 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-08 22:52:03,182 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-08 22:52:03,182 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-08 22:52:03,182 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-08 22:52:03,182 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-08 22:52:03,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-08 22:52:03,182 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-08 22:52:03,183 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-08 22:52:03,183 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-08 22:52:03,183 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-08 22:52:03,183 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-08 22:52:03,183 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-08 22:52:03,183 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-08 22:52:03,183 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-08 22:52:03,183 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-08 22:52:03,183 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-08 22:52:03,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-08 22:52:03,184 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-08 22:52:03,184 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-08 22:52:03,184 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-08 22:52:03,184 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-08 22:52:03,184 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 -> 410e0b4a38c89d302ff08a5c0f3773233f16a724a7ef577863a89b7ea0bac4ee [2025-01-08 22:52:03,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-08 22:52:03,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-08 22:52:03,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-08 22:52:03,462 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-08 22:52:03,463 INFO L274 PluginConnector]: CDTParser initialized [2025-01-08 22:52:03,464 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_2_neg.i [2025-01-08 22:52:04,882 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/89db4b2e4/38359fc88837447f85881f4781be4ac2/FLAGffc25c5c3 [2025-01-08 22:52:05,166 INFO L384 CDTParser]: Found 1 translation units. [2025-01-08 22:52:05,167 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_2_neg.i [2025-01-08 22:52:05,179 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/89db4b2e4/38359fc88837447f85881f4781be4ac2/FLAGffc25c5c3 [2025-01-08 22:52:05,190 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/89db4b2e4/38359fc88837447f85881f4781be4ac2 [2025-01-08 22:52:05,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-08 22:52:05,194 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-08 22:52:05,195 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-08 22:52:05,195 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-08 22:52:05,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-08 22:52:05,199 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.01 10:52:05" (1/1) ... [2025-01-08 22:52:05,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fe5e56f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:05, skipping insertion in model container [2025-01-08 22:52:05,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.01 10:52:05" (1/1) ... [2025-01-08 22:52:05,232 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-08 22:52:05,385 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_18-simple-else_unknown_2_neg.i[1094,1107] [2025-01-08 22:52:05,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-08 22:52:05,564 INFO L200 MainTranslator]: Completed pre-run [2025-01-08 22:52:05,572 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_18-simple-else_unknown_2_neg.i[1094,1107] [2025-01-08 22:52:05,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-08 22:52:05,633 INFO L204 MainTranslator]: Completed translation [2025-01-08 22:52:05,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:05 WrapperNode [2025-01-08 22:52:05,634 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-08 22:52:05,635 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-08 22:52:05,635 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-08 22:52:05,635 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-08 22:52:05,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:05" (1/1) ... [2025-01-08 22:52:05,647 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:05" (1/1) ... [2025-01-08 22:52:05,661 INFO L138 Inliner]: procedures = 187, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2025-01-08 22:52:05,662 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-08 22:52:05,662 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-08 22:52:05,663 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-08 22:52:05,663 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-08 22:52:05,667 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:05" (1/1) ... [2025-01-08 22:52:05,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:05" (1/1) ... [2025-01-08 22:52:05,671 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:05" (1/1) ... [2025-01-08 22:52:05,680 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]. [2025-01-08 22:52:05,680 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:05" (1/1) ... [2025-01-08 22:52:05,680 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:05" (1/1) ... [2025-01-08 22:52:05,684 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:05" (1/1) ... [2025-01-08 22:52:05,685 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:05" (1/1) ... [2025-01-08 22:52:05,689 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:05" (1/1) ... [2025-01-08 22:52:05,690 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:05" (1/1) ... [2025-01-08 22:52:05,690 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:05" (1/1) ... [2025-01-08 22:52:05,692 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-08 22:52:05,692 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-08 22:52:05,692 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-08 22:52:05,693 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-08 22:52:05,693 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:05" (1/1) ... [2025-01-08 22:52:05,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-08 22:52:05,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-08 22:52:05,719 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) [2025-01-08 22:52:05,723 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 [2025-01-08 22:52:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-08 22:52:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-08 22:52:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-08 22:52:05,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-08 22:52:05,819 INFO L234 CfgBuilder]: Building ICFG [2025-01-08 22:52:05,821 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-08 22:52:05,912 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2025-01-08 22:52:05,913 INFO L283 CfgBuilder]: Performing block encoding [2025-01-08 22:52:05,919 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-08 22:52:05,919 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-08 22:52:05,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.01 10:52:05 BoogieIcfgContainer [2025-01-08 22:52:05,920 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-08 22:52:05,921 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-08 22:52:05,921 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-08 22:52:05,924 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-08 22:52:05,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.01 10:52:05" (1/3) ... [2025-01-08 22:52:05,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d56a76e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.01 10:52:05, skipping insertion in model container [2025-01-08 22:52:05,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:05" (2/3) ... [2025-01-08 22:52:05,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d56a76e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.01 10:52:05, skipping insertion in model container [2025-01-08 22:52:05,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.01 10:52:05" (3/3) ... [2025-01-08 22:52:05,927 INFO L128 eAbstractionObserver]: Analyzing ICFG 68-longjmp_18-simple-else_unknown_2_neg.i [2025-01-08 22:52:05,936 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-08 22:52:05,938 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 68-longjmp_18-simple-else_unknown_2_neg.i that has 1 procedures, 14 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2025-01-08 22:52:05,978 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-08 22:52:05,987 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;@7bce7342, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-08 22:52:05,988 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-01-08 22:52:05,991 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) [2025-01-08 22:52:05,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-01-08 22:52:05,995 INFO L210 NwaCegarLoop]: Found error trace [2025-01-08 22:52:05,995 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-01-08 22:52:05,996 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2025-01-08 22:52:06,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-08 22:52:06,000 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2025-01-08 22:52:06,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-08 22:52:06,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959514413] [2025-01-08 22:52:06,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-08 22:52:06,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-08 22:52:06,097 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-08 22:52:06,133 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-08 22:52:06,133 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-08 22:52:06,133 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-08 22:52:06,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-08 22:52:06,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-08 22:52:06,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959514413] [2025-01-08 22:52:06,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959514413] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-08 22:52:06,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-08 22:52:06,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-08 22:52:06,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908057827] [2025-01-08 22:52:06,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-08 22:52:06,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-08 22:52:06,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-08 22:52:06,306 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-08 22:52:06,307 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-08 22:52:06,310 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) [2025-01-08 22:52:06,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-08 22:52:06,342 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2025-01-08 22:52:06,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-08 22:52:06,344 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 [2025-01-08 22:52:06,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-08 22:52:06,352 INFO L225 Difference]: With dead ends: 19 [2025-01-08 22:52:06,352 INFO L226 Difference]: Without dead ends: 8 [2025-01-08 22:52:06,354 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 [2025-01-08 22:52:06,359 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 [2025-01-08 22:52:06,360 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] [2025-01-08 22:52:06,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2025-01-08 22:52:06,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2025-01-08 22:52:06,375 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) [2025-01-08 22:52:06,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2025-01-08 22:52:06,379 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 4 [2025-01-08 22:52:06,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-08 22:52:06,379 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2025-01-08 22:52:06,379 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) [2025-01-08 22:52:06,379 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2025-01-08 22:52:06,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-01-08 22:52:06,380 INFO L210 NwaCegarLoop]: Found error trace [2025-01-08 22:52:06,380 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-08 22:52:06,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-08 22:52:06,380 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2025-01-08 22:52:06,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-08 22:52:06,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1809678288, now seen corresponding path program 1 times [2025-01-08 22:52:06,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-08 22:52:06,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544425820] [2025-01-08 22:52:06,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-08 22:52:06,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-08 22:52:06,403 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-08 22:52:06,419 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-08 22:52:06,420 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-08 22:52:06,420 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-08 22:52:06,420 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-08 22:52:06,427 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-08 22:52:06,445 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-08 22:52:06,446 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-08 22:52:06,446 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-08 22:52:06,485 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-08 22:52:06,486 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-08 22:52:06,487 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2025-01-08 22:52:06,489 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2025-01-08 22:52:06,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-08 22:52:06,493 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-01-08 22:52:06,506 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-08 22:52:06,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.01 10:52:06 BoogieIcfgContainer [2025-01-08 22:52:06,509 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-08 22:52:06,510 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-08 22:52:06,510 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-08 22:52:06,510 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-08 22:52:06,511 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.01 10:52:05" (3/4) ... [2025-01-08 22:52:06,513 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-08 22:52:06,513 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-08 22:52:06,514 INFO L158 Benchmark]: Toolchain (without parser) took 1319.78ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 108.7MB in the end (delta: 3.5MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2025-01-08 22:52:06,514 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 201.3MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-08 22:52:06,514 INFO L158 Benchmark]: CACSL2BoogieTranslator took 439.44ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 90.7MB in the end (delta: 21.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-08 22:52:06,514 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.83ms. Allocated memory is still 142.6MB. Free memory was 90.7MB in the beginning and 89.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-08 22:52:06,515 INFO L158 Benchmark]: Boogie Preprocessor took 29.49ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 87.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-08 22:52:06,515 INFO L158 Benchmark]: RCFGBuilder took 227.54ms. Allocated memory is still 142.6MB. Free memory was 87.6MB in the beginning and 76.9MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-08 22:52:06,515 INFO L158 Benchmark]: TraceAbstraction took 587.80ms. Allocated memory is still 142.6MB. Free memory was 76.4MB in the beginning and 108.7MB in the end (delta: -32.3MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2025-01-08 22:52:06,515 INFO L158 Benchmark]: Witness Printer took 3.60ms. Allocated memory is still 142.6MB. Free memory was 108.7MB in the beginning and 108.7MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-08 22:52:06,517 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 201.3MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 439.44ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 90.7MB in the end (delta: 21.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.83ms. Allocated memory is still 142.6MB. Free memory was 90.7MB in the beginning and 89.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.49ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 87.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 227.54ms. Allocated memory is still 142.6MB. Free memory was 87.6MB in the beginning and 76.9MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 587.80ms. Allocated memory is still 142.6MB. Free memory was 76.4MB in the beginning and 108.7MB in the end (delta: -32.3MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * Witness Printer took 3.60ms. Allocated memory is still 142.6MB. Free memory was 108.7MB in the beginning and 108.7MB in the end (delta: 27.1kB). 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 == 2)) [L19] COND FALSE !(!(cond)) VAL [global=0] [L733] RET __VERIFIER_assert(!(global == 2)) [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: 0.5s, 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, 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-01-08 22:52:06,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 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_18-simple-else_unknown_2_neg.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 410e0b4a38c89d302ff08a5c0f3773233f16a724a7ef577863a89b7ea0bac4ee --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-08 22:52:08,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-08 22:52:08,886 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2025-01-08 22:52:08,893 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-08 22:52:08,893 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-08 22:52:08,919 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-08 22:52:08,920 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-08 22:52:08,920 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-08 22:52:08,920 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-08 22:52:08,920 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-08 22:52:08,920 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-08 22:52:08,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-08 22:52:08,923 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-08 22:52:08,923 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-08 22:52:08,923 INFO L153 SettingsManager]: * Use SBE=true [2025-01-08 22:52:08,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-08 22:52:08,923 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-08 22:52:08,924 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-08 22:52:08,924 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-08 22:52:08,924 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-08 22:52:08,925 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-08 22:52:08,925 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-08 22:52:08,925 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-08 22:52:08,925 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-08 22:52:08,925 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-08 22:52:08,925 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-08 22:52:08,925 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-08 22:52:08,925 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-08 22:52:08,925 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-08 22:52:08,926 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-08 22:52:08,926 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-08 22:52:08,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-08 22:52:08,926 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-08 22:52:08,926 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-08 22:52:08,926 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-08 22:52:08,927 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-08 22:52:08,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-08 22:52:08,927 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-08 22:52:08,927 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-08 22:52:08,927 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-08 22:52:08,927 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-08 22:52:08,927 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-08 22:52:08,927 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-08 22:52:08,927 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-08 22:52:08,928 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-08 22:52:08,928 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-08 22:52:08,928 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-08 22:52:08,928 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 -> 410e0b4a38c89d302ff08a5c0f3773233f16a724a7ef577863a89b7ea0bac4ee [2025-01-08 22:52:09,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-08 22:52:09,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-08 22:52:09,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-08 22:52:09,235 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-08 22:52:09,235 INFO L274 PluginConnector]: CDTParser initialized [2025-01-08 22:52:09,237 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_2_neg.i [2025-01-08 22:52:10,565 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0eb4f2abe/bed3792a0e2a46bba1e4fa0e19e1c276/FLAGe5ea5c904 [2025-01-08 22:52:10,858 INFO L384 CDTParser]: Found 1 translation units. [2025-01-08 22:52:10,859 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_2_neg.i [2025-01-08 22:52:10,876 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0eb4f2abe/bed3792a0e2a46bba1e4fa0e19e1c276/FLAGe5ea5c904 [2025-01-08 22:52:10,893 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0eb4f2abe/bed3792a0e2a46bba1e4fa0e19e1c276 [2025-01-08 22:52:10,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-08 22:52:10,896 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-08 22:52:10,897 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-08 22:52:10,897 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-08 22:52:10,901 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-08 22:52:10,902 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.01 10:52:10" (1/1) ... [2025-01-08 22:52:10,903 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b3507e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:10, skipping insertion in model container [2025-01-08 22:52:10,903 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.01 10:52:10" (1/1) ... [2025-01-08 22:52:10,936 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-08 22:52:11,086 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_18-simple-else_unknown_2_neg.i[1094,1107] [2025-01-08 22:52:11,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-08 22:52:11,246 INFO L200 MainTranslator]: Completed pre-run [2025-01-08 22:52:11,255 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_18-simple-else_unknown_2_neg.i[1094,1107] [2025-01-08 22:52:11,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-08 22:52:11,344 INFO L204 MainTranslator]: Completed translation [2025-01-08 22:52:11,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:11 WrapperNode [2025-01-08 22:52:11,345 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-08 22:52:11,347 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-08 22:52:11,347 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-08 22:52:11,347 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-08 22:52:11,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:11" (1/1) ... [2025-01-08 22:52:11,371 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:11" (1/1) ... [2025-01-08 22:52:11,391 INFO L138 Inliner]: procedures = 188, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2025-01-08 22:52:11,393 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-08 22:52:11,393 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-08 22:52:11,394 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-08 22:52:11,394 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-08 22:52:11,401 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:11" (1/1) ... [2025-01-08 22:52:11,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:11" (1/1) ... [2025-01-08 22:52:11,404 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:11" (1/1) ... [2025-01-08 22:52:11,415 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]. [2025-01-08 22:52:11,419 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:11" (1/1) ... [2025-01-08 22:52:11,419 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:11" (1/1) ... [2025-01-08 22:52:11,424 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:11" (1/1) ... [2025-01-08 22:52:11,425 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:11" (1/1) ... [2025-01-08 22:52:11,430 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:11" (1/1) ... [2025-01-08 22:52:11,431 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:11" (1/1) ... [2025-01-08 22:52:11,434 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:11" (1/1) ... [2025-01-08 22:52:11,438 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-08 22:52:11,441 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-08 22:52:11,441 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-08 22:52:11,441 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-08 22:52:11,442 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:11" (1/1) ... [2025-01-08 22:52:11,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-08 22:52:11,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-08 22:52:11,475 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) [2025-01-08 22:52:11,482 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 [2025-01-08 22:52:11,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-08 22:52:11,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-08 22:52:11,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-08 22:52:11,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-08 22:52:11,574 INFO L234 CfgBuilder]: Building ICFG [2025-01-08 22:52:11,576 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-08 22:52:11,703 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2025-01-08 22:52:11,703 INFO L283 CfgBuilder]: Performing block encoding [2025-01-08 22:52:11,711 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-08 22:52:11,711 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-08 22:52:11,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.01 10:52:11 BoogieIcfgContainer [2025-01-08 22:52:11,712 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-08 22:52:11,714 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-08 22:52:11,715 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-08 22:52:11,738 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-08 22:52:11,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.01 10:52:10" (1/3) ... [2025-01-08 22:52:11,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c099d34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.01 10:52:11, skipping insertion in model container [2025-01-08 22:52:11,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:11" (2/3) ... [2025-01-08 22:52:11,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c099d34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.01 10:52:11, skipping insertion in model container [2025-01-08 22:52:11,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.01 10:52:11" (3/3) ... [2025-01-08 22:52:11,742 INFO L128 eAbstractionObserver]: Analyzing ICFG 68-longjmp_18-simple-else_unknown_2_neg.i [2025-01-08 22:52:11,755 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-08 22:52:11,757 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 68-longjmp_18-simple-else_unknown_2_neg.i that has 1 procedures, 14 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2025-01-08 22:52:11,804 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-08 22:52:11,814 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;@597d7cf0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-08 22:52:11,814 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-01-08 22:52:11,818 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) [2025-01-08 22:52:11,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-01-08 22:52:11,821 INFO L210 NwaCegarLoop]: Found error trace [2025-01-08 22:52:11,822 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-01-08 22:52:11,822 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2025-01-08 22:52:11,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-08 22:52:11,825 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2025-01-08 22:52:11,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-08 22:52:11,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1676575467] [2025-01-08 22:52:11,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-08 22:52:11,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-08 22:52:11,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-08 22:52:11,835 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) [2025-01-08 22:52:11,836 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 [2025-01-08 22:52:11,925 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-08 22:52:11,952 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-08 22:52:11,952 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-08 22:52:11,952 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-08 22:52:11,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-08 22:52:11,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-08 22:52:12,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-08 22:52:12,030 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-08 22:52:12,030 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-08 22:52:12,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676575467] [2025-01-08 22:52:12,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1676575467] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-08 22:52:12,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-08 22:52:12,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-08 22:52:12,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886302296] [2025-01-08 22:52:12,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-08 22:52:12,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-08 22:52:12,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-08 22:52:12,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-08 22:52:12,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-08 22:52:12,057 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) [2025-01-08 22:52:12,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-08 22:52:12,089 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2025-01-08 22:52:12,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-08 22:52:12,092 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 [2025-01-08 22:52:12,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-08 22:52:12,097 INFO L225 Difference]: With dead ends: 19 [2025-01-08 22:52:12,097 INFO L226 Difference]: Without dead ends: 8 [2025-01-08 22:52:12,100 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 [2025-01-08 22:52:12,103 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 [2025-01-08 22:52:12,106 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] [2025-01-08 22:52:12,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2025-01-08 22:52:12,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2025-01-08 22:52:12,125 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) [2025-01-08 22:52:12,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2025-01-08 22:52:12,130 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 4 [2025-01-08 22:52:12,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-08 22:52:12,130 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2025-01-08 22:52:12,131 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) [2025-01-08 22:52:12,131 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2025-01-08 22:52:12,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-01-08 22:52:12,131 INFO L210 NwaCegarLoop]: Found error trace [2025-01-08 22:52:12,132 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-08 22:52:12,141 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-08 22:52:12,334 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 [2025-01-08 22:52:12,334 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2025-01-08 22:52:12,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-08 22:52:12,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1809678288, now seen corresponding path program 1 times [2025-01-08 22:52:12,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-08 22:52:12,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2128251699] [2025-01-08 22:52:12,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-08 22:52:12,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-08 22:52:12,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-08 22:52:12,337 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) [2025-01-08 22:52:12,338 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 [2025-01-08 22:52:12,393 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-08 22:52:12,431 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-08 22:52:12,431 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-08 22:52:12,431 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-08 22:52:12,431 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-08 22:52:12,441 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-08 22:52:12,479 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-08 22:52:12,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-08 22:52:12,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-08 22:52:12,494 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-01-08 22:52:12,496 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-08 22:52:12,498 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2025-01-08 22:52:12,499 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2025-01-08 22:52:12,508 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-08 22:52:12,703 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 [2025-01-08 22:52:12,706 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-01-08 22:52:12,721 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-08 22:52:12,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.01 10:52:12 BoogieIcfgContainer [2025-01-08 22:52:12,723 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-08 22:52:12,724 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-08 22:52:12,724 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-08 22:52:12,724 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-08 22:52:12,725 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.01 10:52:11" (3/4) ... [2025-01-08 22:52:12,726 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-08 22:52:12,727 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-08 22:52:12,729 INFO L158 Benchmark]: Toolchain (without parser) took 1831.43ms. Allocated memory is still 83.9MB. Free memory was 58.2MB in the beginning and 28.2MB in the end (delta: 30.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2025-01-08 22:52:12,730 INFO L158 Benchmark]: CDTParser took 1.16ms. Allocated memory is still 83.9MB. Free memory was 62.4MB in the beginning and 62.4MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-08 22:52:12,730 INFO L158 Benchmark]: CACSL2BoogieTranslator took 448.72ms. Allocated memory is still 83.9MB. Free memory was 58.2MB in the beginning and 35.7MB in the end (delta: 22.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-08 22:52:12,731 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.21ms. Allocated memory is still 83.9MB. Free memory was 35.7MB in the beginning and 33.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-08 22:52:12,731 INFO L158 Benchmark]: Boogie Preprocessor took 46.98ms. Allocated memory is still 83.9MB. Free memory was 33.8MB in the beginning and 32.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-08 22:52:12,732 INFO L158 Benchmark]: RCFGBuilder took 271.02ms. Allocated memory is still 83.9MB. Free memory was 32.0MB in the beginning and 21.7MB in the end (delta: 10.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-08 22:52:12,732 INFO L158 Benchmark]: TraceAbstraction took 1008.86ms. Allocated memory is still 83.9MB. Free memory was 21.1MB in the beginning and 28.2MB in the end (delta: -7.1MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2025-01-08 22:52:12,732 INFO L158 Benchmark]: Witness Printer took 3.10ms. Allocated memory is still 83.9MB. Free memory is still 28.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-08 22:52:12,733 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.16ms. Allocated memory is still 83.9MB. Free memory was 62.4MB in the beginning and 62.4MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 448.72ms. Allocated memory is still 83.9MB. Free memory was 58.2MB in the beginning and 35.7MB in the end (delta: 22.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.21ms. Allocated memory is still 83.9MB. Free memory was 35.7MB in the beginning and 33.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.98ms. Allocated memory is still 83.9MB. Free memory was 33.8MB in the beginning and 32.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 271.02ms. Allocated memory is still 83.9MB. Free memory was 32.0MB in the beginning and 21.7MB in the end (delta: 10.3MB). There was no memory consumed. Max. memory is 16.1GB. * TraceAbstraction took 1008.86ms. Allocated memory is still 83.9MB. Free memory was 21.1MB in the beginning and 28.2MB in the end (delta: -7.1MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Witness Printer took 3.10ms. Allocated memory is still 83.9MB. Free memory is still 28.2MB. 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 == 2)) [L19] COND FALSE !(!(cond)) VAL [global=0] [L733] RET __VERIFIER_assert(!(global == 2)) [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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-01-08 22:52:12,751 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