./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_unknown_1_pos.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_unknown_1_pos.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 83d0be5c2be15d38743c116516449aa760d3a20e813314b6119c0091e1d0d6cd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-10 22:32:46,182 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-10 22:32:46,272 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-10 22:32:46,279 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-10 22:32:46,280 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-10 22:32:46,306 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-10 22:32:46,309 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-10 22:32:46,309 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-10 22:32:46,310 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-10 22:32:46,311 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-10 22:32:46,312 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-10 22:32:46,312 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-10 22:32:46,313 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-10 22:32:46,313 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-10 22:32:46,315 INFO L153 SettingsManager]: * Use SBE=true [2024-10-10 22:32:46,315 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-10 22:32:46,316 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-10 22:32:46,316 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-10 22:32:46,316 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-10 22:32:46,316 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-10 22:32:46,317 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-10 22:32:46,320 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-10 22:32:46,321 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-10 22:32:46,321 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-10 22:32:46,321 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-10 22:32:46,321 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-10 22:32:46,322 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-10 22:32:46,322 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-10 22:32:46,322 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-10 22:32:46,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-10 22:32:46,322 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-10 22:32:46,322 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-10 22:32:46,323 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-10 22:32:46,323 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-10 22:32:46,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-10 22:32:46,323 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-10 22:32:46,323 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-10 22:32:46,324 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-10 22:32:46,324 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-10 22:32:46,324 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83d0be5c2be15d38743c116516449aa760d3a20e813314b6119c0091e1d0d6cd [2024-10-10 22:32:46,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-10 22:32:46,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-10 22:32:46,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-10 22:32:46,633 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-10 22:32:46,633 INFO L274 PluginConnector]: CDTParser initialized [2024-10-10 22:32:46,634 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_unknown_1_pos.i [2024-10-10 22:32:48,098 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-10 22:32:48,276 INFO L384 CDTParser]: Found 1 translation units. [2024-10-10 22:32:48,276 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_unknown_1_pos.i [2024-10-10 22:32:48,283 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/343fa83ea/b2cb3d1c483b4ba9b61f4e2808292eaa/FLAG51b9350ef [2024-10-10 22:32:48,671 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/343fa83ea/b2cb3d1c483b4ba9b61f4e2808292eaa [2024-10-10 22:32:48,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-10 22:32:48,677 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-10 22:32:48,681 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-10 22:32:48,682 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-10 22:32:48,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-10 22:32:48,689 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 10:32:48" (1/1) ... [2024-10-10 22:32:48,690 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5afd3fd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:32:48, skipping insertion in model container [2024-10-10 22:32:48,692 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 10:32:48" (1/1) ... [2024-10-10 22:32:48,714 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-10 22:32:48,884 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_unknown_1_pos.i[1098,1111] [2024-10-10 22:32:48,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-10 22:32:48,912 INFO L200 MainTranslator]: Completed pre-run [2024-10-10 22:32:48,924 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_unknown_1_pos.i[1098,1111] [2024-10-10 22:32:48,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-10 22:32:48,947 INFO L204 MainTranslator]: Completed translation [2024-10-10 22:32:48,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:32:48 WrapperNode [2024-10-10 22:32:48,948 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-10 22:32:48,949 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-10 22:32:48,949 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-10 22:32:48,950 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-10 22:32:48,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:32:48" (1/1) ... [2024-10-10 22:32:48,962 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:32:48" (1/1) ... [2024-10-10 22:32:48,976 INFO L138 Inliner]: procedures = 21, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 32 [2024-10-10 22:32:48,976 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-10 22:32:48,977 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-10 22:32:48,977 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-10 22:32:48,977 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-10 22:32:48,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:32:48" (1/1) ... [2024-10-10 22:32:48,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:32:48" (1/1) ... [2024-10-10 22:32:48,987 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:32:48" (1/1) ... [2024-10-10 22:32:48,997 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-10 22:32:48,997 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:32:48" (1/1) ... [2024-10-10 22:32:48,998 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:32:48" (1/1) ... [2024-10-10 22:32:49,000 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:32:48" (1/1) ... [2024-10-10 22:32:49,003 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:32:48" (1/1) ... [2024-10-10 22:32:49,004 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:32:48" (1/1) ... [2024-10-10 22:32:49,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:32:48" (1/1) ... [2024-10-10 22:32:49,007 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-10 22:32:49,008 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-10 22:32:49,008 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-10 22:32:49,008 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-10 22:32:49,009 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:32:48" (1/1) ... [2024-10-10 22:32:49,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-10 22:32:49,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-10 22:32:49,046 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-10 22:32:49,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-10 22:32:49,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-10 22:32:49,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-10 22:32:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-10 22:32:49,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-10 22:32:49,210 INFO L238 CfgBuilder]: Building ICFG [2024-10-10 22:32:49,250 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-10 22:32:49,377 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-10-10 22:32:49,377 INFO L287 CfgBuilder]: Performing block encoding [2024-10-10 22:32:49,412 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-10 22:32:49,414 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-10 22:32:49,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 10:32:49 BoogieIcfgContainer [2024-10-10 22:32:49,415 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-10 22:32:49,417 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-10 22:32:49,417 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-10 22:32:49,422 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-10 22:32:49,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.10 10:32:48" (1/3) ... [2024-10-10 22:32:49,423 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b1ae2f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 10:32:49, skipping insertion in model container [2024-10-10 22:32:49,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:32:48" (2/3) ... [2024-10-10 22:32:49,424 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b1ae2f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 10:32:49, skipping insertion in model container [2024-10-10 22:32:49,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 10:32:49" (3/3) ... [2024-10-10 22:32:49,425 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_12-counting-global_unknown_1_pos.i [2024-10-10 22:32:49,443 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-10 22:32:49,444 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-10 22:32:49,503 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-10 22:32:49,509 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;@444e07c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-10 22:32:49,509 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-10 22:32:49,512 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-10 22:32:49,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-10-10 22:32:49,516 INFO L207 NwaCegarLoop]: Found error trace [2024-10-10 22:32:49,517 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-10-10 22:32:49,517 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-10 22:32:49,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-10 22:32:49,521 INFO L85 PathProgramCache]: Analyzing trace with hash 59744, now seen corresponding path program 1 times [2024-10-10 22:32:49,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-10 22:32:49,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225731692] [2024-10-10 22:32:49,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-10 22:32:49,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-10 22:32:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:32:49,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-10 22:32:49,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-10 22:32:49,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225731692] [2024-10-10 22:32:49,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225731692] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-10 22:32:49,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-10 22:32:49,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-10 22:32:49,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854168223] [2024-10-10 22:32:49,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-10 22:32:49,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-10 22:32:49,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-10 22:32:49,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-10 22:32:49,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-10 22:32:49,794 INFO L87 Difference]: Start difference. First operand has 10 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 9 states have internal predecessors, (12), 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 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-10 22:32:49,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-10 22:32:49,827 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2024-10-10 22:32:49,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-10 22:32:49,834 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2024-10-10 22:32:49,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-10 22:32:49,841 INFO L225 Difference]: With dead ends: 16 [2024-10-10 22:32:49,841 INFO L226 Difference]: Without dead ends: 6 [2024-10-10 22:32:49,843 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-10 22:32:49,847 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-10 22:32:49,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-10 22:32:49,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2024-10-10 22:32:49,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2024-10-10 22:32:49,873 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) [2024-10-10 22:32:49,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5 transitions. [2024-10-10 22:32:49,875 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 5 transitions. Word has length 3 [2024-10-10 22:32:49,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-10 22:32:49,875 INFO L471 AbstractCegarLoop]: Abstraction has 6 states and 5 transitions. [2024-10-10 22:32:49,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-10 22:32:49,876 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2024-10-10 22:32:49,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-10 22:32:49,876 INFO L207 NwaCegarLoop]: Found error trace [2024-10-10 22:32:49,876 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-10 22:32:49,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-10 22:32:49,877 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-10 22:32:49,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-10 22:32:49,878 INFO L85 PathProgramCache]: Analyzing trace with hash 57568228, now seen corresponding path program 1 times [2024-10-10 22:32:49,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-10 22:32:49,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832912548] [2024-10-10 22:32:49,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-10 22:32:49,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-10 22:32:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-10 22:32:49,924 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-10 22:32:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-10 22:32:49,955 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-10 22:32:49,955 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-10 22:32:49,956 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining) [2024-10-10 22:32:49,958 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-10-10 22:32:49,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-10 22:32:49,961 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-10 22:32:49,976 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-10 22:32:49,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 10:32:49 BoogieIcfgContainer [2024-10-10 22:32:49,980 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-10 22:32:49,981 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-10 22:32:49,981 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-10 22:32:49,981 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-10 22:32:49,982 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 10:32:49" (3/4) ... [2024-10-10 22:32:49,984 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-10 22:32:49,985 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-10 22:32:49,986 INFO L158 Benchmark]: Toolchain (without parser) took 1308.42ms. Allocated memory is still 178.3MB. Free memory was 128.1MB in the beginning and 112.1MB in the end (delta: 16.0MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2024-10-10 22:32:49,986 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory was 64.7MB in the beginning and 64.6MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-10 22:32:49,987 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.94ms. Allocated memory is still 178.3MB. Free memory was 128.0MB in the beginning and 115.5MB in the end (delta: 12.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-10 22:32:49,987 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.15ms. Allocated memory is still 178.3MB. Free memory was 115.5MB in the beginning and 113.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-10 22:32:49,987 INFO L158 Benchmark]: Boogie Preprocessor took 29.98ms. Allocated memory is still 178.3MB. Free memory was 113.7MB in the beginning and 112.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-10 22:32:49,988 INFO L158 Benchmark]: RCFGBuilder took 407.47ms. Allocated memory is still 178.3MB. Free memory was 112.2MB in the beginning and 141.4MB in the end (delta: -29.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-10 22:32:49,988 INFO L158 Benchmark]: TraceAbstraction took 563.12ms. Allocated memory is still 178.3MB. Free memory was 140.4MB in the beginning and 112.1MB in the end (delta: 28.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-10-10 22:32:49,988 INFO L158 Benchmark]: Witness Printer took 4.59ms. Allocated memory is still 178.3MB. Free memory is still 112.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-10 22:32:49,994 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory was 64.7MB in the beginning and 64.6MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.94ms. Allocated memory is still 178.3MB. Free memory was 128.0MB in the beginning and 115.5MB in the end (delta: 12.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.15ms. Allocated memory is still 178.3MB. Free memory was 115.5MB in the beginning and 113.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.98ms. Allocated memory is still 178.3MB. Free memory was 113.7MB in the beginning and 112.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 407.47ms. Allocated memory is still 178.3MB. Free memory was 112.2MB in the beginning and 141.4MB in the end (delta: -29.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 563.12ms. Allocated memory is still 178.3MB. Free memory was 140.4MB in the beginning and 112.1MB in the end (delta: 28.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 4.59ms. Allocated memory is still 178.3MB. Free memory is still 112.1MB. 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: 49]: Unable to prove that unknown kind of specification holds Unable to prove that unknown kind of specification holds Reason: overapproximation of longjmp at line 49. Possible FailurePath: [L44] jmp_buf my_jump_buffer; [L45] int count = 0; [L54] CALL __VERIFIER_assert(count == 0) [L19] COND FALSE !(!(cond)) VAL [count=0] [L54] RET __VERIFIER_assert(count == 0) [L55] COND TRUE count < 5 [L56] CALL foo() [L48] count++ VAL [count=1] [L49] longjmp(my_jump_buffer, 1) VAL [count=1] - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-10 22:32:50,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_unknown_1_pos.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 83d0be5c2be15d38743c116516449aa760d3a20e813314b6119c0091e1d0d6cd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-10 22:32:52,168 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-10 22:32:52,260 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-10-10 22:32:52,266 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-10 22:32:52,267 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-10 22:32:52,300 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-10 22:32:52,303 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-10 22:32:52,303 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-10 22:32:52,304 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-10 22:32:52,304 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-10 22:32:52,304 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-10 22:32:52,305 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-10 22:32:52,306 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-10 22:32:52,309 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-10 22:32:52,310 INFO L153 SettingsManager]: * Use SBE=true [2024-10-10 22:32:52,310 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-10 22:32:52,310 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-10 22:32:52,311 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-10 22:32:52,311 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-10 22:32:52,311 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-10 22:32:52,311 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-10 22:32:52,312 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-10 22:32:52,312 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-10 22:32:52,314 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-10 22:32:52,314 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-10 22:32:52,315 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-10 22:32:52,315 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-10 22:32:52,315 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-10 22:32:52,316 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-10 22:32:52,316 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-10 22:32:52,316 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-10 22:32:52,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-10 22:32:52,317 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-10 22:32:52,317 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-10 22:32:52,318 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-10 22:32:52,318 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-10 22:32:52,319 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-10 22:32:52,319 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-10 22:32:52,320 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-10 22:32:52,320 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-10 22:32:52,320 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-10 22:32:52,321 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-10 22:32:52,321 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83d0be5c2be15d38743c116516449aa760d3a20e813314b6119c0091e1d0d6cd [2024-10-10 22:32:52,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-10 22:32:52,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-10 22:32:52,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-10 22:32:52,668 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-10 22:32:52,669 INFO L274 PluginConnector]: CDTParser initialized [2024-10-10 22:32:52,670 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_unknown_1_pos.i [2024-10-10 22:32:54,141 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-10 22:32:54,353 INFO L384 CDTParser]: Found 1 translation units. [2024-10-10 22:32:54,354 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_unknown_1_pos.i [2024-10-10 22:32:54,365 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/c934902b5/97ba1797438b40c3b71a9bc02553b64d/FLAG9e36b6e25 [2024-10-10 22:32:54,386 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/c934902b5/97ba1797438b40c3b71a9bc02553b64d [2024-10-10 22:32:54,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-10 22:32:54,390 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-10 22:32:54,393 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-10 22:32:54,394 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-10 22:32:54,400 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-10 22:32:54,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 10:32:54" (1/1) ... [2024-10-10 22:32:54,404 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3200ce4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:32:54, skipping insertion in model container [2024-10-10 22:32:54,404 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 10:32:54" (1/1) ... [2024-10-10 22:32:54,428 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-10 22:32:54,621 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_unknown_1_pos.i[1098,1111] [2024-10-10 22:32:54,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-10 22:32:54,667 INFO L200 MainTranslator]: Completed pre-run [2024-10-10 22:32:54,680 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_unknown_1_pos.i[1098,1111] [2024-10-10 22:32:54,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-10 22:32:54,712 INFO L204 MainTranslator]: Completed translation [2024-10-10 22:32:54,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:32:54 WrapperNode [2024-10-10 22:32:54,713 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-10 22:32:54,714 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-10 22:32:54,714 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-10 22:32:54,715 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-10 22:32:54,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:32:54" (1/1) ... [2024-10-10 22:32:54,730 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:32:54" (1/1) ... [2024-10-10 22:32:54,750 INFO L138 Inliner]: procedures = 21, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 32 [2024-10-10 22:32:54,750 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-10 22:32:54,751 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-10 22:32:54,751 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-10 22:32:54,752 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-10 22:32:54,762 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:32:54" (1/1) ... [2024-10-10 22:32:54,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:32:54" (1/1) ... [2024-10-10 22:32:54,765 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:32:54" (1/1) ... [2024-10-10 22:32:54,776 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-10 22:32:54,780 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:32:54" (1/1) ... [2024-10-10 22:32:54,780 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:32:54" (1/1) ... [2024-10-10 22:32:54,786 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:32:54" (1/1) ... [2024-10-10 22:32:54,790 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:32:54" (1/1) ... [2024-10-10 22:32:54,792 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:32:54" (1/1) ... [2024-10-10 22:32:54,793 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:32:54" (1/1) ... [2024-10-10 22:32:54,794 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-10 22:32:54,795 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-10 22:32:54,795 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-10 22:32:54,796 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-10 22:32:54,796 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:32:54" (1/1) ... [2024-10-10 22:32:54,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-10 22:32:54,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-10 22:32:54,829 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-10 22:32:54,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-10 22:32:54,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-10 22:32:54,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-10 22:32:54,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-10 22:32:54,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-10 22:32:54,957 INFO L238 CfgBuilder]: Building ICFG [2024-10-10 22:32:54,959 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-10 22:32:55,094 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-10-10 22:32:55,095 INFO L287 CfgBuilder]: Performing block encoding [2024-10-10 22:32:55,124 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-10 22:32:55,127 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-10 22:32:55,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 10:32:55 BoogieIcfgContainer [2024-10-10 22:32:55,128 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-10 22:32:55,130 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-10 22:32:55,130 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-10 22:32:55,134 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-10 22:32:55,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.10 10:32:54" (1/3) ... [2024-10-10 22:32:55,135 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35b74454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 10:32:55, skipping insertion in model container [2024-10-10 22:32:55,135 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:32:54" (2/3) ... [2024-10-10 22:32:55,136 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35b74454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 10:32:55, skipping insertion in model container [2024-10-10 22:32:55,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 10:32:55" (3/3) ... [2024-10-10 22:32:55,138 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_12-counting-global_unknown_1_pos.i [2024-10-10 22:32:55,152 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-10 22:32:55,153 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-10 22:32:55,206 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-10 22:32:55,213 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;@73561212, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-10 22:32:55,214 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-10 22:32:55,218 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-10 22:32:55,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-10-10 22:32:55,222 INFO L207 NwaCegarLoop]: Found error trace [2024-10-10 22:32:55,223 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-10-10 22:32:55,224 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-10 22:32:55,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-10 22:32:55,231 INFO L85 PathProgramCache]: Analyzing trace with hash 59744, now seen corresponding path program 1 times [2024-10-10 22:32:55,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-10 22:32:55,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [538583800] [2024-10-10 22:32:55,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-10 22:32:55,244 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-10 22:32:55,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-10 22:32:55,248 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-10 22:32:55,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-10 22:32:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:32:55,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-10 22:32:55,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-10 22:32:55,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-10 22:32:55,407 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-10 22:32:55,407 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-10 22:32:55,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [538583800] [2024-10-10 22:32:55,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [538583800] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-10 22:32:55,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-10 22:32:55,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-10 22:32:55,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392222162] [2024-10-10 22:32:55,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-10 22:32:55,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-10 22:32:55,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-10 22:32:55,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-10 22:32:55,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-10 22:32:55,444 INFO L87 Difference]: Start difference. First operand has 10 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 9 states have internal predecessors, (12), 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 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-10 22:32:55,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-10 22:32:55,476 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2024-10-10 22:32:55,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-10 22:32:55,479 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2024-10-10 22:32:55,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-10 22:32:55,486 INFO L225 Difference]: With dead ends: 16 [2024-10-10 22:32:55,486 INFO L226 Difference]: Without dead ends: 6 [2024-10-10 22:32:55,488 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-10 22:32:55,492 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-10 22:32:55,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-10 22:32:55,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2024-10-10 22:32:55,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2024-10-10 22:32:55,521 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) [2024-10-10 22:32:55,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5 transitions. [2024-10-10 22:32:55,523 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 5 transitions. Word has length 3 [2024-10-10 22:32:55,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-10 22:32:55,523 INFO L471 AbstractCegarLoop]: Abstraction has 6 states and 5 transitions. [2024-10-10 22:32:55,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-10 22:32:55,524 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2024-10-10 22:32:55,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-10 22:32:55,525 INFO L207 NwaCegarLoop]: Found error trace [2024-10-10 22:32:55,525 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-10 22:32:55,529 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-10 22:32:55,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-10 22:32:55,729 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-10 22:32:55,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-10 22:32:55,730 INFO L85 PathProgramCache]: Analyzing trace with hash 57568228, now seen corresponding path program 1 times [2024-10-10 22:32:55,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-10 22:32:55,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [721440426] [2024-10-10 22:32:55,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-10 22:32:55,732 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-10 22:32:55,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-10 22:32:55,736 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-10 22:32:55,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-10 22:32:55,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-10 22:32:55,794 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-10 22:32:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-10 22:32:55,823 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-10 22:32:55,824 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-10 22:32:55,825 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining) [2024-10-10 22:32:55,826 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-10-10 22:32:55,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-10-10 22:32:56,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-10 22:32:56,034 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-10 22:32:56,050 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-10 22:32:56,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 10:32:56 BoogieIcfgContainer [2024-10-10 22:32:56,054 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-10 22:32:56,054 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-10 22:32:56,054 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-10 22:32:56,054 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-10 22:32:56,055 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 10:32:55" (3/4) ... [2024-10-10 22:32:56,057 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-10 22:32:56,058 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-10 22:32:56,060 INFO L158 Benchmark]: Toolchain (without parser) took 1668.36ms. Allocated memory is still 96.5MB. Free memory was 69.6MB in the beginning and 40.7MB in the end (delta: 28.9MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2024-10-10 22:32:56,062 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 62.9MB. Free memory is still 31.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-10 22:32:56,062 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.54ms. Allocated memory is still 96.5MB. Free memory was 69.5MB in the beginning and 56.7MB in the end (delta: 12.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-10 22:32:56,063 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.19ms. Allocated memory is still 96.5MB. Free memory was 56.7MB in the beginning and 55.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-10 22:32:56,063 INFO L158 Benchmark]: Boogie Preprocessor took 43.16ms. Allocated memory is still 96.5MB. Free memory was 55.2MB in the beginning and 53.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-10 22:32:56,063 INFO L158 Benchmark]: RCFGBuilder took 332.59ms. Allocated memory is still 96.5MB. Free memory was 53.2MB in the beginning and 67.2MB in the end (delta: -13.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-10 22:32:56,064 INFO L158 Benchmark]: TraceAbstraction took 924.03ms. Allocated memory is still 96.5MB. Free memory was 66.3MB in the beginning and 41.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-10 22:32:56,064 INFO L158 Benchmark]: Witness Printer took 3.87ms. Allocated memory is still 96.5MB. Free memory was 41.1MB in the beginning and 40.7MB in the end (delta: 431.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-10 22:32:56,066 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 62.9MB. Free memory is still 31.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.54ms. Allocated memory is still 96.5MB. Free memory was 69.5MB in the beginning and 56.7MB in the end (delta: 12.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.19ms. Allocated memory is still 96.5MB. Free memory was 56.7MB in the beginning and 55.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.16ms. Allocated memory is still 96.5MB. Free memory was 55.2MB in the beginning and 53.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 332.59ms. Allocated memory is still 96.5MB. Free memory was 53.2MB in the beginning and 67.2MB in the end (delta: -13.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 924.03ms. Allocated memory is still 96.5MB. Free memory was 66.3MB in the beginning and 41.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 3.87ms. Allocated memory is still 96.5MB. Free memory was 41.1MB in the beginning and 40.7MB in the end (delta: 431.0kB). 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: 49]: Unable to prove that unknown kind of specification holds Unable to prove that unknown kind of specification holds Reason: overapproximation of longjmp at line 49. Possible FailurePath: [L44] jmp_buf my_jump_buffer; [L45] int count = 0; [L54] CALL __VERIFIER_assert(count == 0) [L19] COND FALSE !(!(cond)) VAL [count=0] [L54] RET __VERIFIER_assert(count == 0) [L55] COND TRUE count < 5 [L56] CALL foo() [L48] count++ VAL [count=1] [L49] longjmp(my_jump_buffer, 1) VAL [count=1] - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 1 NumberOfNonLiveVariables, 28 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-10 22:32:56,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample