./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/longjmp/68-longjmp_05-heap-counting-return-one-method_true.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da043454 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/longjmp/68-longjmp_05-heap-counting-return-one-method_true.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0bad2c5b541a5abc5c78c4fea3aaaed86ffea2075eef50c4689df8b31e2a000b --- Real Ultimate output --- This is Ultimate 0.3.0-wip.fs.system-includes-da04345-m [2025-04-29 10:57:25,415 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-29 10:57:25,465 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-04-29 10:57:25,472 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-29 10:57:25,473 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-29 10:57:25,497 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-29 10:57:25,498 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-29 10:57:25,498 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-29 10:57:25,499 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-04-29 10:57:25,499 INFO L153 SettingsManager]: * Use memory slicer=true [2025-04-29 10:57:25,500 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-29 10:57:25,500 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-29 10:57:25,500 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-29 10:57:25,500 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-29 10:57:25,501 INFO L153 SettingsManager]: * Use SBE=true [2025-04-29 10:57:25,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-29 10:57:25,501 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-29 10:57:25,501 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-29 10:57:25,501 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-29 10:57:25,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-29 10:57:25,501 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-29 10:57:25,501 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-29 10:57:25,502 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-29 10:57:25,502 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-29 10:57:25,502 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-29 10:57:25,502 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-29 10:57:25,502 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-29 10:57:25,502 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-29 10:57:25,502 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-29 10:57:25,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 10:57:25,503 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-29 10:57:25,503 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-29 10:57:25,503 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-29 10:57:25,503 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-29 10:57:25,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 10:57:25,503 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-29 10:57:25,503 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-29 10:57:25,503 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-29 10:57:25,503 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-29 10:57:25,503 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-29 10:57:25,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-29 10:57:25,503 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-29 10:57:25,504 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-29 10:57:25,504 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-29 10:57:25,504 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/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 -> 0bad2c5b541a5abc5c78c4fea3aaaed86ffea2075eef50c4689df8b31e2a000b [2025-04-29 10:57:25,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-29 10:57:25,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-29 10:57:25,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-29 10:57:25,757 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-29 10:57:25,757 INFO L274 PluginConnector]: CDTParser initialized [2025-04-29 10:57:25,758 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/longjmp/68-longjmp_05-heap-counting-return-one-method_true.c [2025-04-29 10:57:27,037 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f531a06d8/22b4f4a652d44a71857f054975af3a1b/FLAGf95388240 [2025-04-29 10:57:27,254 INFO L389 CDTParser]: Found 1 translation units. [2025-04-29 10:57:27,255 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/longjmp/68-longjmp_05-heap-counting-return-one-method_true.c [2025-04-29 10:57:27,256 WARN L117 ultiparseSymbolTable]: System include assert.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 10:57:27,256 WARN L117 ultiparseSymbolTable]: System include setjmp.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 10:57:27,256 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 10:57:27,261 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f531a06d8/22b4f4a652d44a71857f054975af3a1b/FLAGf95388240 [2025-04-29 10:57:29,139 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f531a06d8/22b4f4a652d44a71857f054975af3a1b [2025-04-29 10:57:29,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-29 10:57:29,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-29 10:57:29,142 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-29 10:57:29,142 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-29 10:57:29,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-29 10:57:29,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 10:57:29" (1/1) ... [2025-04-29 10:57:29,146 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fb6bcea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:29, skipping insertion in model container [2025-04-29 10:57:29,146 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 10:57:29" (1/1) ... [2025-04-29 10:57:29,158 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-29 10:57:29,265 WARN L117 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/longjmp/68-longjmp_05-heap-counting-return-one-method_true.c[398,411] [2025-04-29 10:57:29,278 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-29 10:57:29,283 INFO L200 MainTranslator]: Completed pre-run [2025-04-29 10:57:29,299 WARN L117 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/longjmp/68-longjmp_05-heap-counting-return-one-method_true.c[398,411] [2025-04-29 10:57:29,303 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-29 10:57:29,313 INFO L204 MainTranslator]: Completed translation [2025-04-29 10:57:29,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:29 WrapperNode [2025-04-29 10:57:29,313 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-29 10:57:29,314 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-29 10:57:29,314 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-29 10:57:29,314 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-29 10:57:29,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:29" (1/1) ... [2025-04-29 10:57:29,323 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:29" (1/1) ... [2025-04-29 10:57:29,332 INFO L138 Inliner]: procedures = 8, calls = 5, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13 [2025-04-29 10:57:29,333 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-29 10:57:29,333 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-29 10:57:29,333 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-29 10:57:29,333 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-29 10:57:29,338 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:29" (1/1) ... [2025-04-29 10:57:29,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:29" (1/1) ... [2025-04-29 10:57:29,339 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:29" (1/1) ... [2025-04-29 10:57:29,343 INFO L175 MemorySlicer]: No memory access in input program. [2025-04-29 10:57:29,344 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:29" (1/1) ... [2025-04-29 10:57:29,344 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:29" (1/1) ... [2025-04-29 10:57:29,345 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:29" (1/1) ... [2025-04-29 10:57:29,346 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:29" (1/1) ... [2025-04-29 10:57:29,347 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:29" (1/1) ... [2025-04-29 10:57:29,348 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:29" (1/1) ... [2025-04-29 10:57:29,348 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:29" (1/1) ... [2025-04-29 10:57:29,350 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-29 10:57:29,351 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-29 10:57:29,351 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-29 10:57:29,351 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-29 10:57:29,351 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:29" (1/1) ... [2025-04-29 10:57:29,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 10:57:29,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-29 10:57:29,380 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-29 10:57:29,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-29 10:57:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-29 10:57:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-29 10:57:29,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-29 10:57:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-04-29 10:57:29,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-04-29 10:57:29,441 INFO L234 CfgBuilder]: Building ICFG [2025-04-29 10:57:29,442 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-29 10:57:29,505 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2025-04-29 10:57:29,505 INFO L283 CfgBuilder]: Performing block encoding [2025-04-29 10:57:29,513 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-29 10:57:29,513 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-04-29 10:57:29,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 10:57:29 BoogieIcfgContainer [2025-04-29 10:57:29,514 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-29 10:57:29,516 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-29 10:57:29,516 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-29 10:57:29,520 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-29 10:57:29,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.04 10:57:29" (1/3) ... [2025-04-29 10:57:29,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2467357f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 10:57:29, skipping insertion in model container [2025-04-29 10:57:29,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:29" (2/3) ... [2025-04-29 10:57:29,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2467357f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 10:57:29, skipping insertion in model container [2025-04-29 10:57:29,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 10:57:29" (3/3) ... [2025-04-29 10:57:29,522 INFO L128 eAbstractionObserver]: Analyzing ICFG 68-longjmp_05-heap-counting-return-one-method_true.c [2025-04-29 10:57:29,533 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-29 10:57:29,536 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 68-longjmp_05-heap-counting-return-one-method_true.c that has 2 procedures, 16 locations, 21 edges, 1 initial locations, 1 loop locations, and 2 error locations. [2025-04-29 10:57:29,582 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-29 10:57:29,591 INFO L340 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;@11c0fd4d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-29 10:57:29,592 INFO L341 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-04-29 10:57:29,596 INFO L278 IsEmpty]: Start isEmpty. Operand has 16 states, 10 states have (on average 1.5) internal successors, (15), 13 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-04-29 10:57:29,600 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-04-29 10:57:29,600 INFO L210 NwaCegarLoop]: Found error trace [2025-04-29 10:57:29,601 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-04-29 10:57:29,601 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-29 10:57:29,606 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 10:57:29,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1805660505, now seen corresponding path program 1 times [2025-04-29 10:57:29,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 10:57:29,613 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091143616] [2025-04-29 10:57:29,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 10:57:29,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 10:57:29,667 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-29 10:57:29,685 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-29 10:57:29,686 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 10:57:29,686 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 10:57:29,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-29 10:57:29,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 10:57:29,819 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091143616] [2025-04-29 10:57:29,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091143616] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 10:57:29,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 10:57:29,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-29 10:57:29,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871106136] [2025-04-29 10:57:29,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 10:57:29,823 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-29 10:57:29,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 10:57:29,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-29 10:57:29,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-04-29 10:57:29,838 INFO L87 Difference]: Start difference. First operand has 16 states, 10 states have (on average 1.5) internal successors, (15), 13 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-29 10:57:29,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-29 10:57:29,890 INFO L93 Difference]: Finished difference Result 22 states and 27 transitions. [2025-04-29 10:57:29,891 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-29 10:57:29,892 INFO L79 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-04-29 10:57:29,892 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-29 10:57:29,896 INFO L225 Difference]: With dead ends: 22 [2025-04-29 10:57:29,896 INFO L226 Difference]: Without dead ends: 10 [2025-04-29 10:57:29,898 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-04-29 10:57:29,900 INFO L437 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-04-29 10:57:29,901 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 16 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-04-29 10:57:29,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2025-04-29 10:57:29,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2025-04-29 10:57:29,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-04-29 10:57:29,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions. [2025-04-29 10:57:29,927 INFO L79 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 7 [2025-04-29 10:57:29,928 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-29 10:57:29,928 INFO L485 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions. [2025-04-29 10:57:29,928 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-29 10:57:29,928 INFO L278 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2025-04-29 10:57:29,929 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-04-29 10:57:29,929 INFO L210 NwaCegarLoop]: Found error trace [2025-04-29 10:57:29,929 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-29 10:57:29,929 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-29 10:57:29,929 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-29 10:57:29,930 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 10:57:29,930 INFO L85 PathProgramCache]: Analyzing trace with hash 73112514, now seen corresponding path program 1 times [2025-04-29 10:57:29,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 10:57:29,930 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31170620] [2025-04-29 10:57:29,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 10:57:29,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 10:57:29,934 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-04-29 10:57:29,938 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-04-29 10:57:29,938 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 10:57:29,938 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-29 10:57:29,938 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-29 10:57:29,940 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-04-29 10:57:29,943 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-04-29 10:57:29,944 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 10:57:29,944 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-29 10:57:29,954 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-29 10:57:29,954 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-04-29 10:57:29,956 INFO L790 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2025-04-29 10:57:29,958 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2025-04-29 10:57:29,958 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-29 10:57:29,960 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-04-29 10:57:29,983 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-29 10:57:29,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 10:57:29 BoogieIcfgContainer [2025-04-29 10:57:29,987 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-29 10:57:29,988 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-04-29 10:57:29,988 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-04-29 10:57:29,988 INFO L274 PluginConnector]: Witness Printer initialized [2025-04-29 10:57:29,989 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 10:57:29" (3/4) ... [2025-04-29 10:57:29,990 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-04-29 10:57:29,992 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-04-29 10:57:29,993 INFO L158 Benchmark]: Toolchain (without parser) took 851.37ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 51.4MB in the end (delta: 52.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-04-29 10:57:29,993 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 113.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 10:57:29,993 INFO L158 Benchmark]: CACSL2BoogieTranslator took 171.26ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 90.8MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-04-29 10:57:29,994 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.72ms. Allocated memory is still 142.6MB. Free memory was 90.8MB in the beginning and 89.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 10:57:29,994 INFO L158 Benchmark]: Boogie Preprocessor took 16.96ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 88.3MB in the end (delta: 806.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 10:57:29,994 INFO L158 Benchmark]: RCFGBuilder took 163.32ms. Allocated memory is still 142.6MB. Free memory was 88.3MB in the beginning and 78.5MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-29 10:57:29,994 INFO L158 Benchmark]: TraceAbstraction took 471.45ms. Allocated memory is still 142.6MB. Free memory was 77.7MB in the beginning and 51.4MB in the end (delta: 26.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-04-29 10:57:29,994 INFO L158 Benchmark]: Witness Printer took 4.39ms. Allocated memory is still 142.6MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 10:57:29,995 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 113.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 171.26ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 90.8MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.72ms. Allocated memory is still 142.6MB. Free memory was 90.8MB in the beginning and 89.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.96ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 88.3MB in the end (delta: 806.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 163.32ms. Allocated memory is still 142.6MB. Free memory was 88.3MB in the beginning and 78.5MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 471.45ms. Allocated memory is still 142.6MB. Free memory was 77.7MB in the beginning and 51.4MB in the end (delta: 26.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 4.39ms. Allocated memory is still 142.6MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 22]: 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 22. Possible FailurePath: [L17] jmp_buf* my_jump_buffer = malloc(sizeof(jmp_buf)); [L19] volatile int count = setjmp(*my_jump_buffer); VAL [count=0] [L20] COND TRUE count < 5 VAL [count=0] [L21] CALL __VERIFIER_assert(count >= 0 && count < 5) VAL [\at(cond, Pre)=1] [L10] COND FALSE !(!(cond)) VAL [\at(cond, Pre)=1] [L21] RET __VERIFIER_assert(count >= 0 && count < 5) VAL [count=0] [L22] longjmp(*my_jump_buffer, count + 1) VAL [count=0] - UnprovableResult [Line: 10]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 16 locations, 21 edges, 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, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 5 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-04-29 10:57:30,007 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/longjmp/68-longjmp_05-heap-counting-return-one-method_true.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0bad2c5b541a5abc5c78c4fea3aaaed86ffea2075eef50c4689df8b31e2a000b --- Real Ultimate output --- This is Ultimate 0.3.0-wip.fs.system-includes-da04345-m [2025-04-29 10:57:31,793 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-29 10:57:31,870 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2025-04-29 10:57:31,878 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-29 10:57:31,879 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-29 10:57:31,903 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-29 10:57:31,904 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-29 10:57:31,904 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-29 10:57:31,904 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-04-29 10:57:31,904 INFO L153 SettingsManager]: * Use memory slicer=true [2025-04-29 10:57:31,905 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-29 10:57:31,905 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-29 10:57:31,905 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-29 10:57:31,905 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-29 10:57:31,905 INFO L153 SettingsManager]: * Use SBE=true [2025-04-29 10:57:31,905 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-29 10:57:31,905 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-29 10:57:31,906 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-29 10:57:31,906 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-29 10:57:31,906 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-29 10:57:31,906 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-29 10:57:31,906 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-04-29 10:57:31,906 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-04-29 10:57:31,906 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-04-29 10:57:31,906 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-29 10:57:31,906 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-29 10:57:31,906 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-29 10:57:31,906 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-29 10:57:31,906 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-29 10:57:31,906 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-29 10:57:31,906 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-29 10:57:31,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 10:57:31,906 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-29 10:57:31,906 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-29 10:57:31,906 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-29 10:57:31,907 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-29 10:57:31,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 10:57:31,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-29 10:57:31,907 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-29 10:57:31,907 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-29 10:57:31,907 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-29 10:57:31,907 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-04-29 10:57:31,907 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-04-29 10:57:31,907 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-29 10:57:31,907 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-29 10:57:31,907 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-29 10:57:31,907 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/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 -> 0bad2c5b541a5abc5c78c4fea3aaaed86ffea2075eef50c4689df8b31e2a000b [2025-04-29 10:57:32,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-29 10:57:32,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-29 10:57:32,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-29 10:57:32,223 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-29 10:57:32,224 INFO L274 PluginConnector]: CDTParser initialized [2025-04-29 10:57:32,225 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/longjmp/68-longjmp_05-heap-counting-return-one-method_true.c [2025-04-29 10:57:33,568 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc5d43469/4556a9c4b31647c5b6e4b85ed1f30b62/FLAGcb3ca4c13 [2025-04-29 10:57:33,726 INFO L389 CDTParser]: Found 1 translation units. [2025-04-29 10:57:33,727 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/longjmp/68-longjmp_05-heap-counting-return-one-method_true.c [2025-04-29 10:57:33,728 WARN L117 ultiparseSymbolTable]: System include assert.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 10:57:33,728 WARN L117 ultiparseSymbolTable]: System include setjmp.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 10:57:33,728 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 10:57:33,733 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc5d43469/4556a9c4b31647c5b6e4b85ed1f30b62/FLAGcb3ca4c13 [2025-04-29 10:57:34,619 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc5d43469/4556a9c4b31647c5b6e4b85ed1f30b62 [2025-04-29 10:57:34,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-29 10:57:34,622 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-29 10:57:34,623 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-29 10:57:34,623 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-29 10:57:34,626 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-29 10:57:34,627 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 10:57:34" (1/1) ... [2025-04-29 10:57:34,627 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40224686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:34, skipping insertion in model container [2025-04-29 10:57:34,627 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 10:57:34" (1/1) ... [2025-04-29 10:57:34,635 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-29 10:57:34,749 WARN L117 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/longjmp/68-longjmp_05-heap-counting-return-one-method_true.c[398,411] [2025-04-29 10:57:34,760 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-29 10:57:34,764 INFO L200 MainTranslator]: Completed pre-run [2025-04-29 10:57:34,776 WARN L117 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/longjmp/68-longjmp_05-heap-counting-return-one-method_true.c[398,411] [2025-04-29 10:57:34,778 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-29 10:57:34,786 INFO L204 MainTranslator]: Completed translation [2025-04-29 10:57:34,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:34 WrapperNode [2025-04-29 10:57:34,787 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-29 10:57:34,788 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-29 10:57:34,788 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-29 10:57:34,788 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-29 10:57:34,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:34" (1/1) ... [2025-04-29 10:57:34,796 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:34" (1/1) ... [2025-04-29 10:57:34,805 INFO L138 Inliner]: procedures = 8, calls = 5, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13 [2025-04-29 10:57:34,806 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-29 10:57:34,806 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-29 10:57:34,806 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-29 10:57:34,806 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-29 10:57:34,811 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:34" (1/1) ... [2025-04-29 10:57:34,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:34" (1/1) ... [2025-04-29 10:57:34,814 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:34" (1/1) ... [2025-04-29 10:57:34,819 INFO L175 MemorySlicer]: No memory access in input program. [2025-04-29 10:57:34,819 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:34" (1/1) ... [2025-04-29 10:57:34,819 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:34" (1/1) ... [2025-04-29 10:57:34,822 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:34" (1/1) ... [2025-04-29 10:57:34,823 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:34" (1/1) ... [2025-04-29 10:57:34,826 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:34" (1/1) ... [2025-04-29 10:57:34,827 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:34" (1/1) ... [2025-04-29 10:57:34,827 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:34" (1/1) ... [2025-04-29 10:57:34,829 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-29 10:57:34,832 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-29 10:57:34,832 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-29 10:57:34,833 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-29 10:57:34,833 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:34" (1/1) ... [2025-04-29 10:57:34,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 10:57:34,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-29 10:57:34,857 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-29 10:57:34,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-29 10:57:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-29 10:57:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-29 10:57:34,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-29 10:57:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-04-29 10:57:34,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-04-29 10:57:34,920 INFO L234 CfgBuilder]: Building ICFG [2025-04-29 10:57:34,921 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-29 10:57:34,981 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2025-04-29 10:57:34,981 INFO L283 CfgBuilder]: Performing block encoding [2025-04-29 10:57:34,986 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-29 10:57:34,987 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-04-29 10:57:34,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 10:57:34 BoogieIcfgContainer [2025-04-29 10:57:34,987 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-29 10:57:34,988 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-29 10:57:34,989 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-29 10:57:34,992 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-29 10:57:34,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.04 10:57:34" (1/3) ... [2025-04-29 10:57:34,993 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d5a8301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 10:57:34, skipping insertion in model container [2025-04-29 10:57:34,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:34" (2/3) ... [2025-04-29 10:57:34,993 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d5a8301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 10:57:34, skipping insertion in model container [2025-04-29 10:57:34,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 10:57:34" (3/3) ... [2025-04-29 10:57:34,994 INFO L128 eAbstractionObserver]: Analyzing ICFG 68-longjmp_05-heap-counting-return-one-method_true.c [2025-04-29 10:57:35,003 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-29 10:57:35,005 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 68-longjmp_05-heap-counting-return-one-method_true.c that has 2 procedures, 16 locations, 21 edges, 1 initial locations, 1 loop locations, and 2 error locations. [2025-04-29 10:57:35,036 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-29 10:57:35,043 INFO L340 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;@4d184e97, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-29 10:57:35,044 INFO L341 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-04-29 10:57:35,046 INFO L278 IsEmpty]: Start isEmpty. Operand has 16 states, 10 states have (on average 1.5) internal successors, (15), 13 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-04-29 10:57:35,053 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-04-29 10:57:35,053 INFO L210 NwaCegarLoop]: Found error trace [2025-04-29 10:57:35,053 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-04-29 10:57:35,054 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-29 10:57:35,057 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 10:57:35,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1805660505, now seen corresponding path program 1 times [2025-04-29 10:57:35,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-04-29 10:57:35,063 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [494386413] [2025-04-29 10:57:35,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 10:57:35,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-29 10:57:35,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-29 10:57:35,066 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-29 10:57:35,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-04-29 10:57:35,106 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-29 10:57:35,113 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-29 10:57:35,113 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 10:57:35,113 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 10:57:35,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-04-29 10:57:35,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-29 10:57:35,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-29 10:57:35,184 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-29 10:57:35,184 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-04-29 10:57:35,184 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494386413] [2025-04-29 10:57:35,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494386413] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 10:57:35,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 10:57:35,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-29 10:57:35,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558545971] [2025-04-29 10:57:35,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 10:57:35,202 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-29 10:57:35,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-04-29 10:57:35,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-29 10:57:35,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-04-29 10:57:35,214 INFO L87 Difference]: Start difference. First operand has 16 states, 10 states have (on average 1.5) internal successors, (15), 13 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-29 10:57:35,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-29 10:57:35,251 INFO L93 Difference]: Finished difference Result 22 states and 27 transitions. [2025-04-29 10:57:35,253 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-29 10:57:35,253 INFO L79 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-04-29 10:57:35,253 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-29 10:57:35,257 INFO L225 Difference]: With dead ends: 22 [2025-04-29 10:57:35,257 INFO L226 Difference]: Without dead ends: 10 [2025-04-29 10:57:35,259 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-04-29 10:57:35,261 INFO L437 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-04-29 10:57:35,261 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 16 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-04-29 10:57:35,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2025-04-29 10:57:35,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2025-04-29 10:57:35,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-04-29 10:57:35,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions. [2025-04-29 10:57:35,281 INFO L79 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 7 [2025-04-29 10:57:35,282 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-29 10:57:35,282 INFO L485 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions. [2025-04-29 10:57:35,283 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-29 10:57:35,283 INFO L278 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2025-04-29 10:57:35,283 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-04-29 10:57:35,283 INFO L210 NwaCegarLoop]: Found error trace [2025-04-29 10:57:35,283 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-29 10:57:35,289 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-04-29 10:57:35,484 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-29 10:57:35,484 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-29 10:57:35,484 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 10:57:35,484 INFO L85 PathProgramCache]: Analyzing trace with hash 73112514, now seen corresponding path program 1 times [2025-04-29 10:57:35,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-04-29 10:57:35,485 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1965912610] [2025-04-29 10:57:35,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 10:57:35,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-29 10:57:35,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-29 10:57:35,487 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-29 10:57:35,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-29 10:57:35,511 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-04-29 10:57:35,516 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-04-29 10:57:35,516 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 10:57:35,516 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-29 10:57:35,516 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-29 10:57:35,519 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-04-29 10:57:35,522 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-04-29 10:57:35,522 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 10:57:35,522 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-29 10:57:35,528 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-04-29 10:57:35,528 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-04-29 10:57:35,529 INFO L790 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2025-04-29 10:57:35,531 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2025-04-29 10:57:35,536 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-04-29 10:57:35,731 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-29 10:57:35,733 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-04-29 10:57:35,751 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-29 10:57:35,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 10:57:35 BoogieIcfgContainer [2025-04-29 10:57:35,753 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-29 10:57:35,754 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-04-29 10:57:35,754 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-04-29 10:57:35,754 INFO L274 PluginConnector]: Witness Printer initialized [2025-04-29 10:57:35,756 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 10:57:34" (3/4) ... [2025-04-29 10:57:35,757 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-04-29 10:57:35,758 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-04-29 10:57:35,759 INFO L158 Benchmark]: Toolchain (without parser) took 1136.16ms. Allocated memory is still 83.9MB. Free memory was 59.7MB in the beginning and 47.6MB in the end (delta: 12.0MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2025-04-29 10:57:35,759 INFO L158 Benchmark]: CDTParser took 0.97ms. Allocated memory is still 83.9MB. Free memory was 63.1MB in the beginning and 63.0MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 10:57:35,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 164.56ms. Allocated memory is still 83.9MB. Free memory was 59.4MB in the beginning and 45.9MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-04-29 10:57:35,759 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.53ms. Allocated memory is still 83.9MB. Free memory was 45.9MB in the beginning and 44.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 10:57:35,760 INFO L158 Benchmark]: Boogie Preprocessor took 25.87ms. Allocated memory is still 83.9MB. Free memory was 44.7MB in the beginning and 43.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 10:57:35,760 INFO L158 Benchmark]: RCFGBuilder took 154.69ms. Allocated memory is still 83.9MB. Free memory was 43.5MB in the beginning and 34.6MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-29 10:57:35,760 INFO L158 Benchmark]: TraceAbstraction took 765.01ms. Allocated memory is still 83.9MB. Free memory was 34.0MB in the beginning and 47.6MB in the end (delta: -13.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 10:57:35,760 INFO L158 Benchmark]: Witness Printer took 3.34ms. Allocated memory is still 83.9MB. Free memory was 47.6MB in the beginning and 47.6MB in the end (delta: 10.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 10:57:35,761 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97ms. Allocated memory is still 83.9MB. Free memory was 63.1MB in the beginning and 63.0MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 164.56ms. Allocated memory is still 83.9MB. Free memory was 59.4MB in the beginning and 45.9MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 17.53ms. Allocated memory is still 83.9MB. Free memory was 45.9MB in the beginning and 44.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.87ms. Allocated memory is still 83.9MB. Free memory was 44.7MB in the beginning and 43.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 154.69ms. Allocated memory is still 83.9MB. Free memory was 43.5MB in the beginning and 34.6MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 765.01ms. Allocated memory is still 83.9MB. Free memory was 34.0MB in the beginning and 47.6MB in the end (delta: -13.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.34ms. Allocated memory is still 83.9MB. Free memory was 47.6MB in the beginning and 47.6MB in the end (delta: 10.8kB). 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: 22]: 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 22. Possible FailurePath: [L17] jmp_buf* my_jump_buffer = malloc(sizeof(jmp_buf)); [L19] volatile int count = setjmp(*my_jump_buffer); VAL [count=0] [L20] COND TRUE count < 5 VAL [count=0] [L21] CALL __VERIFIER_assert(count >= 0 && count < 5) VAL [\at(cond, Pre)=1] [L10] COND FALSE !(!(cond)) VAL [\at(cond, Pre)=1] [L21] RET __VERIFIER_assert(count >= 0 && count < 5) VAL [count=0] [L22] longjmp(*my_jump_buffer, count + 1) VAL [count=0] - UnprovableResult [Line: 10]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 16 locations, 21 edges, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 5 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 1 NumberOfNonLiveVariables, 20 ConjunctsInSsa, 5 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 [2025-04-29 10:57:35,772 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample