./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/longjmp/68-longjmp_20-simpler-multifun_true.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_20-simpler-multifun_true.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2f8834d8159588b7ef134515e6f37cc895334a4ecfe9d8c497bcf4e389356193 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-08 22:52:04,240 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-08 22:52:04,275 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-08 22:52:04,278 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-08 22:52:04,278 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-08 22:52:04,295 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-08 22:52:04,295 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-08 22:52:04,295 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-08 22:52:04,296 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-08 22:52:04,296 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-08 22:52:04,296 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-08 22:52:04,296 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-08 22:52:04,296 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-08 22:52:04,296 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-08 22:52:04,296 INFO L153 SettingsManager]: * Use SBE=true [2025-01-08 22:52:04,297 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-08 22:52:04,297 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-08 22:52:04,297 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-08 22:52:04,299 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-08 22:52:04,300 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-08 22:52:04,300 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-08 22:52:04,300 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-08 22:52:04,300 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-08 22:52:04,300 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-08 22:52:04,300 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-08 22:52:04,300 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-08 22:52:04,300 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-08 22:52:04,300 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-08 22:52:04,300 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-08 22:52:04,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-08 22:52:04,301 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-08 22:52:04,301 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-08 22:52:04,301 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-08 22:52:04,301 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-08 22:52:04,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-08 22:52:04,301 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-08 22:52:04,301 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-08 22:52:04,301 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-08 22:52:04,301 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-08 22:52:04,301 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-08 22:52:04,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-08 22:52:04,302 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-08 22:52:04,302 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-08 22:52:04,302 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-08 22:52:04,302 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-08 22:52:04,302 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 -> 2f8834d8159588b7ef134515e6f37cc895334a4ecfe9d8c497bcf4e389356193 [2025-01-08 22:52:04,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-08 22:52:04,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-08 22:52:04,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-08 22:52:04,478 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-08 22:52:04,478 INFO L274 PluginConnector]: CDTParser initialized [2025-01-08 22:52:04,479 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/longjmp/68-longjmp_20-simpler-multifun_true.i [2025-01-08 22:52:05,630 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9dd46d656/b58496845e094c268a9f2aa600dc5abf/FLAGa3e6d2dd9 [2025-01-08 22:52:06,018 INFO L384 CDTParser]: Found 1 translation units. [2025-01-08 22:52:06,018 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_20-simpler-multifun_true.i [2025-01-08 22:52:06,032 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9dd46d656/b58496845e094c268a9f2aa600dc5abf/FLAGa3e6d2dd9 [2025-01-08 22:52:06,051 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9dd46d656/b58496845e094c268a9f2aa600dc5abf [2025-01-08 22:52:06,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-08 22:52:06,054 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-08 22:52:06,055 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-08 22:52:06,056 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-08 22:52:06,058 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-08 22:52:06,059 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.01 10:52:06" (1/1) ... [2025-01-08 22:52:06,059 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b70be81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:06, skipping insertion in model container [2025-01-08 22:52:06,059 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.01 10:52:06" (1/1) ... [2025-01-08 22:52:06,085 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-08 22:52:06,186 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_20-simpler-multifun_true.i[1090,1103] [2025-01-08 22:52:06,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-08 22:52:06,337 INFO L200 MainTranslator]: Completed pre-run [2025-01-08 22:52:06,347 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_20-simpler-multifun_true.i[1090,1103] [2025-01-08 22:52:06,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-08 22:52:06,409 INFO L204 MainTranslator]: Completed translation [2025-01-08 22:52:06,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:06 WrapperNode [2025-01-08 22:52:06,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-08 22:52:06,410 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-08 22:52:06,410 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-08 22:52:06,410 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-08 22:52:06,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:06" (1/1) ... [2025-01-08 22:52:06,421 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:06" (1/1) ... [2025-01-08 22:52:06,430 INFO L138 Inliner]: procedures = 191, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2025-01-08 22:52:06,430 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-08 22:52:06,430 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-08 22:52:06,430 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-08 22:52:06,430 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-08 22:52:06,435 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:06" (1/1) ... [2025-01-08 22:52:06,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:06" (1/1) ... [2025-01-08 22:52:06,436 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:06" (1/1) ... [2025-01-08 22:52:06,442 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 22:52:06,442 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:06" (1/1) ... [2025-01-08 22:52:06,442 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:06" (1/1) ... [2025-01-08 22:52:06,444 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:06" (1/1) ... [2025-01-08 22:52:06,444 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:06" (1/1) ... [2025-01-08 22:52:06,446 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:06" (1/1) ... [2025-01-08 22:52:06,446 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:06" (1/1) ... [2025-01-08 22:52:06,447 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:06" (1/1) ... [2025-01-08 22:52:06,447 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-08 22:52:06,448 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-08 22:52:06,448 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-08 22:52:06,448 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-08 22:52:06,449 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:06" (1/1) ... [2025-01-08 22:52:06,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-08 22:52:06,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-08 22:52:06,475 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 22:52:06,483 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 22:52:06,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-08 22:52:06,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-08 22:52:06,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-08 22:52:06,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-08 22:52:06,564 INFO L234 CfgBuilder]: Building ICFG [2025-01-08 22:52:06,565 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-08 22:52:06,613 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2025-01-08 22:52:06,613 INFO L283 CfgBuilder]: Performing block encoding [2025-01-08 22:52:06,618 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-08 22:52:06,618 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-08 22:52:06,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.01 10:52:06 BoogieIcfgContainer [2025-01-08 22:52:06,618 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-08 22:52:06,620 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-08 22:52:06,620 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-08 22:52:06,622 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-08 22:52:06,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.01 10:52:06" (1/3) ... [2025-01-08 22:52:06,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a06ba74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.01 10:52:06, skipping insertion in model container [2025-01-08 22:52:06,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:06" (2/3) ... [2025-01-08 22:52:06,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a06ba74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.01 10:52:06, skipping insertion in model container [2025-01-08 22:52:06,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.01 10:52:06" (3/3) ... [2025-01-08 22:52:06,624 INFO L128 eAbstractionObserver]: Analyzing ICFG 68-longjmp_20-simpler-multifun_true.i [2025-01-08 22:52:06,632 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-08 22:52:06,633 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 68-longjmp_20-simpler-multifun_true.i that has 1 procedures, 13 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2025-01-08 22:52:06,661 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-08 22:52:06,668 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;@444b3765, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-08 22:52:06,668 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-01-08 22:52:06,670 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 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 22:52:06,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-01-08 22:52:06,673 INFO L210 NwaCegarLoop]: Found error trace [2025-01-08 22:52:06,673 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-01-08 22:52:06,673 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2025-01-08 22:52:06,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-08 22:52:06,676 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2025-01-08 22:52:06,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-08 22:52:06,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972763345] [2025-01-08 22:52:06,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-08 22:52:06,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-08 22:52:06,735 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-08 22:52:06,750 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-08 22:52:06,750 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-08 22:52:06,750 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-08 22:52:06,860 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 22:52:06,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-08 22:52:06,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972763345] [2025-01-08 22:52:06,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972763345] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-08 22:52:06,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-08 22:52:06,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-08 22:52:06,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89304953] [2025-01-08 22:52:06,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-08 22:52:06,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-08 22:52:06,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-08 22:52:06,878 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-08 22:52:06,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-08 22:52:06,880 INFO L87 Difference]: Start difference. First operand has 13 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 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 22:52:06,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-08 22:52:06,910 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2025-01-08 22:52:06,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-08 22:52:06,913 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 22:52:06,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-08 22:52:06,918 INFO L225 Difference]: With dead ends: 16 [2025-01-08 22:52:06,918 INFO L226 Difference]: Without dead ends: 6 [2025-01-08 22:52:06,920 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 22:52:06,922 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 4 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-08 22:52:06,923 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 5 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-08 22:52:06,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2025-01-08 22:52:06,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2025-01-08 22:52:06,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 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 22:52:06,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5 transitions. [2025-01-08 22:52:06,943 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 5 transitions. Word has length 4 [2025-01-08 22:52:06,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-08 22:52:06,945 INFO L471 AbstractCegarLoop]: Abstraction has 6 states and 5 transitions. [2025-01-08 22:52:06,945 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 22:52:06,945 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2025-01-08 22:52:06,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-01-08 22:52:06,945 INFO L210 NwaCegarLoop]: Found error trace [2025-01-08 22:52:06,945 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-01-08 22:52:06,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-08 22:52:06,946 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2025-01-08 22:52:06,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-08 22:52:06,947 INFO L85 PathProgramCache]: Analyzing trace with hash 28698731, now seen corresponding path program 1 times [2025-01-08 22:52:06,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-08 22:52:06,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716639659] [2025-01-08 22:52:06,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-08 22:52:06,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-08 22:52:06,972 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-08 22:52:06,989 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-08 22:52:06,992 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-08 22:52:06,993 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-08 22:52:06,993 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-08 22:52:06,995 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-08 22:52:07,003 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-08 22:52:07,007 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-08 22:52:07,007 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-08 22:52:07,026 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-08 22:52:07,026 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-08 22:52:07,030 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2025-01-08 22:52:07,031 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2025-01-08 22:52:07,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-08 22:52:07,033 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-01-08 22:52:07,049 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-08 22:52:07,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.01 10:52:07 BoogieIcfgContainer [2025-01-08 22:52:07,051 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-08 22:52:07,070 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-08 22:52:07,071 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-08 22:52:07,071 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-08 22:52:07,071 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.01 10:52:06" (3/4) ... [2025-01-08 22:52:07,073 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-08 22:52:07,073 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-08 22:52:07,078 INFO L158 Benchmark]: Toolchain (without parser) took 1020.41ms. Allocated memory is still 142.6MB. Free memory was 110.8MB in the beginning and 109.3MB in the end (delta: 1.5MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2025-01-08 22:52:07,079 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 123.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-08 22:52:07,079 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.81ms. Allocated memory is still 142.6MB. Free memory was 110.3MB in the beginning and 88.8MB in the end (delta: 21.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-08 22:52:07,079 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.65ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 87.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-08 22:52:07,079 INFO L158 Benchmark]: Boogie Preprocessor took 17.36ms. Allocated memory is still 142.6MB. Free memory was 87.3MB in the beginning and 85.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-08 22:52:07,079 INFO L158 Benchmark]: RCFGBuilder took 170.56ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 74.8MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-08 22:52:07,084 INFO L158 Benchmark]: TraceAbstraction took 431.14ms. Allocated memory is still 142.6MB. Free memory was 74.3MB in the beginning and 39.6MB in the end (delta: 34.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-01-08 22:52:07,084 INFO L158 Benchmark]: Witness Printer took 3.06ms. Allocated memory is still 142.6MB. Free memory is still 109.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-08 22:52:07,085 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 123.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.81ms. Allocated memory is still 142.6MB. Free memory was 110.3MB in the beginning and 88.8MB in the end (delta: 21.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.65ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 87.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.36ms. Allocated memory is still 142.6MB. Free memory was 87.3MB in the beginning and 85.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 170.56ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 74.8MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 431.14ms. Allocated memory is still 142.6MB. Free memory was 74.3MB in the beginning and 39.6MB in the end (delta: 34.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 3.06ms. Allocated memory is still 142.6MB. Free memory is still 109.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 728]: 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 728. Possible FailurePath: [L724] jmp_buf env_buffer; [L725] int global = 0; VAL [global=0] [L734] int val; [L735] CALL __VERIFIER_assert(global == 0) [L19] COND FALSE !(!(cond)) VAL [global=0] [L735] RET __VERIFIER_assert(global == 0) [L737] CALL fun() [L731] CALL foo() [L727] int local = 7; VAL [global=0] [L728] longjmp(env_buffer, 2) VAL [global=0] - 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, 13 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 3 mSDtfsCounter, 4 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=13occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 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 22:52:07,101 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_20-simpler-multifun_true.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2f8834d8159588b7ef134515e6f37cc895334a4ecfe9d8c497bcf4e389356193 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-08 22:52:09,158 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-08 22:52:09,250 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2025-01-08 22:52:09,257 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-08 22:52:09,257 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-08 22:52:09,281 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-08 22:52:09,281 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-08 22:52:09,281 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-08 22:52:09,281 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-08 22:52:09,281 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-08 22:52:09,282 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-08 22:52:09,282 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-08 22:52:09,282 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-08 22:52:09,282 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-08 22:52:09,282 INFO L153 SettingsManager]: * Use SBE=true [2025-01-08 22:52:09,282 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-08 22:52:09,282 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-08 22:52:09,282 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-08 22:52:09,282 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-08 22:52:09,282 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-08 22:52:09,282 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-08 22:52:09,282 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-08 22:52:09,282 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-08 22:52:09,282 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-08 22:52:09,282 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-08 22:52:09,282 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-08 22:52:09,283 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-08 22:52:09,283 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-08 22:52:09,283 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-08 22:52:09,283 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-08 22:52:09,283 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-08 22:52:09,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-08 22:52:09,283 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-08 22:52:09,283 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-08 22:52:09,283 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-08 22:52:09,283 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-08 22:52:09,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-08 22:52:09,283 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-08 22:52:09,283 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-08 22:52:09,283 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-08 22:52:09,283 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-08 22:52:09,283 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-08 22:52:09,284 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-08 22:52:09,284 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-08 22:52:09,284 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-08 22:52:09,284 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-08 22:52:09,284 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-08 22:52:09,285 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 -> 2f8834d8159588b7ef134515e6f37cc895334a4ecfe9d8c497bcf4e389356193 [2025-01-08 22:52:09,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-08 22:52:09,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-08 22:52:09,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-08 22:52:09,533 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-08 22:52:09,533 INFO L274 PluginConnector]: CDTParser initialized [2025-01-08 22:52:09,534 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/longjmp/68-longjmp_20-simpler-multifun_true.i [2025-01-08 22:52:10,799 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a39e318e2/057f60590968433b82536517f468176c/FLAG3d3d24bd3 [2025-01-08 22:52:11,170 INFO L384 CDTParser]: Found 1 translation units. [2025-01-08 22:52:11,170 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_20-simpler-multifun_true.i [2025-01-08 22:52:11,197 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a39e318e2/057f60590968433b82536517f468176c/FLAG3d3d24bd3 [2025-01-08 22:52:11,220 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a39e318e2/057f60590968433b82536517f468176c [2025-01-08 22:52:11,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-08 22:52:11,228 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-08 22:52:11,229 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-08 22:52:11,229 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-08 22:52:11,233 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-08 22:52:11,237 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.01 10:52:11" (1/1) ... [2025-01-08 22:52:11,238 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@491e8e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:11, skipping insertion in model container [2025-01-08 22:52:11,238 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.01 10:52:11" (1/1) ... [2025-01-08 22:52:11,275 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-08 22:52:11,500 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_20-simpler-multifun_true.i[1090,1103] [2025-01-08 22:52:11,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-08 22:52:11,776 INFO L200 MainTranslator]: Completed pre-run [2025-01-08 22:52:11,785 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_20-simpler-multifun_true.i[1090,1103] [2025-01-08 22:52:11,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-08 22:52:11,864 INFO L204 MainTranslator]: Completed translation [2025-01-08 22:52:11,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:52:11 WrapperNode [2025-01-08 22:52:11,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-08 22:52:11,868 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-08 22:52:11,869 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-08 22:52:11,869 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-08 22:52:11,873 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 22:52:11,886 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 22:52:11,904 INFO L138 Inliner]: procedures = 192, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 49 [2025-01-08 22:52:11,905 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-08 22:52:11,906 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-08 22:52:11,906 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-08 22:52:11,907 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-08 22:52:11,912 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 22:52:11,912 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 22:52:11,915 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 22:52:11,928 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 22:52:11,928 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 22:52:11,928 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 22:52:11,936 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 22:52:11,937 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 22:52:11,939 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 22:52:11,939 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 22:52:11,942 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 22:52:11,943 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-08 22:52:11,948 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-08 22:52:11,948 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-08 22:52:11,948 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-08 22:52:11,949 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 22:52:11,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-08 22:52:11,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-08 22:52:11,979 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 22:52:11,981 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 22:52:11,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-08 22:52:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-08 22:52:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-08 22:52:12,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-08 22:52:12,065 INFO L234 CfgBuilder]: Building ICFG [2025-01-08 22:52:12,066 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-08 22:52:12,176 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2025-01-08 22:52:12,176 INFO L283 CfgBuilder]: Performing block encoding [2025-01-08 22:52:12,181 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-08 22:52:12,181 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-08 22:52:12,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.01 10:52:12 BoogieIcfgContainer [2025-01-08 22:52:12,181 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-08 22:52:12,183 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-08 22:52:12,183 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-08 22:52:12,186 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-08 22:52:12,186 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.01 10:52:11" (1/3) ... [2025-01-08 22:52:12,187 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bd84aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.01 10:52:12, skipping insertion in model container [2025-01-08 22:52:12,187 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 22:52:12,187 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bd84aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.01 10:52:12, skipping insertion in model container [2025-01-08 22:52:12,187 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.01 10:52:12" (3/3) ... [2025-01-08 22:52:12,188 INFO L128 eAbstractionObserver]: Analyzing ICFG 68-longjmp_20-simpler-multifun_true.i [2025-01-08 22:52:12,197 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-08 22:52:12,198 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 68-longjmp_20-simpler-multifun_true.i that has 1 procedures, 13 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2025-01-08 22:52:12,225 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-08 22:52:12,232 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;@665b2298, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-08 22:52:12,232 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-01-08 22:52:12,234 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 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 22:52:12,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-01-08 22:52:12,237 INFO L210 NwaCegarLoop]: Found error trace [2025-01-08 22:52:12,237 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-01-08 22:52:12,237 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2025-01-08 22:52:12,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-08 22:52:12,240 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2025-01-08 22:52:12,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-08 22:52:12,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [87287202] [2025-01-08 22:52:12,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-08 22:52:12,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-08 22:52:12,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-08 22:52:12,251 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 22:52:12,255 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 22:52:12,325 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-08 22:52:12,343 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-08 22:52:12,344 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-08 22:52:12,344 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-08 22:52:12,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-08 22:52:12,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-08 22:52:12,389 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 22:52:12,389 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-08 22:52:12,389 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-08 22:52:12,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87287202] [2025-01-08 22:52:12,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [87287202] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-08 22:52:12,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-08 22:52:12,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-08 22:52:12,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514809654] [2025-01-08 22:52:12,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-08 22:52:12,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-08 22:52:12,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-08 22:52:12,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-08 22:52:12,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-08 22:52:12,426 INFO L87 Difference]: Start difference. First operand has 13 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 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 22:52:12,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-08 22:52:12,443 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2025-01-08 22:52:12,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-08 22:52:12,445 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 22:52:12,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-08 22:52:12,448 INFO L225 Difference]: With dead ends: 16 [2025-01-08 22:52:12,448 INFO L226 Difference]: Without dead ends: 6 [2025-01-08 22:52:12,450 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 22:52:12,451 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 4 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-08 22:52:12,452 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 5 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-08 22:52:12,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2025-01-08 22:52:12,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2025-01-08 22:52:12,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 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 22:52:12,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5 transitions. [2025-01-08 22:52:12,467 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 5 transitions. Word has length 4 [2025-01-08 22:52:12,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-08 22:52:12,467 INFO L471 AbstractCegarLoop]: Abstraction has 6 states and 5 transitions. [2025-01-08 22:52:12,467 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 22:52:12,467 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2025-01-08 22:52:12,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-01-08 22:52:12,468 INFO L210 NwaCegarLoop]: Found error trace [2025-01-08 22:52:12,468 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-01-08 22:52:12,474 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 22:52:12,668 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 22:52:12,669 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2025-01-08 22:52:12,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-08 22:52:12,669 INFO L85 PathProgramCache]: Analyzing trace with hash 28698731, now seen corresponding path program 1 times [2025-01-08 22:52:12,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-08 22:52:12,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1556204475] [2025-01-08 22:52:12,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-08 22:52:12,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-08 22:52:12,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-08 22:52:12,673 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 22:52:12,675 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 22:52:12,753 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-08 22:52:12,786 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-08 22:52:12,786 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-08 22:52:12,786 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-08 22:52:12,786 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-08 22:52:12,795 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-08 22:52:12,817 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-08 22:52:12,817 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-08 22:52:12,817 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-08 22:52:12,827 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-01-08 22:52:12,827 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-08 22:52:12,828 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2025-01-08 22:52:12,829 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2025-01-08 22:52:12,836 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-08 22:52:13,030 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 22:52:13,032 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-01-08 22:52:13,041 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-08 22:52:13,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.01 10:52:13 BoogieIcfgContainer [2025-01-08 22:52:13,043 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-08 22:52:13,044 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-08 22:52:13,044 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-08 22:52:13,044 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-08 22:52:13,044 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.01 10:52:12" (3/4) ... [2025-01-08 22:52:13,046 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-08 22:52:13,046 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-08 22:52:13,047 INFO L158 Benchmark]: Toolchain (without parser) took 1818.80ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 75.2MB in the end (delta: 14.8MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2025-01-08 22:52:13,047 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 83.9MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-08 22:52:13,047 INFO L158 Benchmark]: CACSL2BoogieTranslator took 638.83ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 67.3MB in the end (delta: 22.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-08 22:52:13,047 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.40ms. Allocated memory is still 117.4MB. Free memory was 67.3MB in the beginning and 65.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-08 22:52:13,047 INFO L158 Benchmark]: Boogie Preprocessor took 41.37ms. Allocated memory is still 117.4MB. Free memory was 65.4MB in the beginning and 63.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-08 22:52:13,048 INFO L158 Benchmark]: RCFGBuilder took 233.44ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 53.2MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-08 22:52:13,048 INFO L158 Benchmark]: TraceAbstraction took 860.48ms. Allocated memory is still 117.4MB. Free memory was 52.7MB in the beginning and 75.3MB in the end (delta: -22.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-08 22:52:13,048 INFO L158 Benchmark]: Witness Printer took 2.51ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 75.2MB in the end (delta: 15.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-08 22:52:13,049 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 83.9MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 638.83ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 67.3MB in the end (delta: 22.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.40ms. Allocated memory is still 117.4MB. Free memory was 67.3MB in the beginning and 65.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.37ms. Allocated memory is still 117.4MB. Free memory was 65.4MB in the beginning and 63.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 233.44ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 53.2MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 860.48ms. Allocated memory is still 117.4MB. Free memory was 52.7MB in the beginning and 75.3MB in the end (delta: -22.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.51ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 75.2MB in the end (delta: 15.1kB). 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: 728]: 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 728. Possible FailurePath: [L724] jmp_buf env_buffer; [L725] int global = 0; VAL [global=0] [L734] int val; [L735] CALL __VERIFIER_assert(global == 0) [L19] COND FALSE !(!(cond)) VAL [global=0] [L735] RET __VERIFIER_assert(global == 0) [L737] CALL fun() [L731] CALL foo() [L727] int local = 7; VAL [global=0] [L728] longjmp(env_buffer, 2) VAL [global=0] - 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, 13 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 3 mSDtfsCounter, 4 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=13occurred 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, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 1 NumberOfNonLiveVariables, 46 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 22:52:13,060 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