./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/longjmp/68-longjmp_44-simple-else-path_true.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed 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 ../sv-benchmarks/c/longjmp/68-longjmp_44-simple-else-path_true.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 99eae710bb65117965e888814fdf21f3293eedb65395b3dcb2fbe8f4cba64be6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 00:57:02,519 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 00:57:02,567 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 00:57:02,570 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 00:57:02,571 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 00:57:02,587 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 00:57:02,589 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 00:57:02,589 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 00:57:02,589 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 00:57:02,590 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 00:57:02,590 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 00:57:02,590 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 00:57:02,591 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 00:57:02,591 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 00:57:02,591 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 00:57:02,591 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 00:57:02,592 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 00:57:02,592 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 00:57:02,592 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 00:57:02,592 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 00:57:02,592 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 00:57:02,592 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 00:57:02,592 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 00:57:02,592 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 00:57:02,592 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 00:57:02,592 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 00:57:02,592 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 00:57:02,592 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 00:57:02,592 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 00:57:02,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 00:57:02,593 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 00:57:02,593 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 00:57:02,593 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 00:57:02,593 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 00:57:02,593 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 00:57:02,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 00:57:02,594 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 00:57:02,594 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 00:57:02,594 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 00:57:02,594 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 00:57:02,594 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 -> 99eae710bb65117965e888814fdf21f3293eedb65395b3dcb2fbe8f4cba64be6 [2025-03-08 00:57:02,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 00:57:02,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 00:57:02,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 00:57:02,821 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 00:57:02,821 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 00:57:02,822 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/longjmp/68-longjmp_44-simple-else-path_true.i [2025-03-08 00:57:03,999 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fc3d6fb3/6bad72d86802461b8ccc5b5553bb8f3d/FLAG664a76282 [2025-03-08 00:57:04,252 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 00:57:04,255 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_44-simple-else-path_true.i [2025-03-08 00:57:04,268 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fc3d6fb3/6bad72d86802461b8ccc5b5553bb8f3d/FLAG664a76282 [2025-03-08 00:57:04,568 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fc3d6fb3/6bad72d86802461b8ccc5b5553bb8f3d [2025-03-08 00:57:04,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 00:57:04,572 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 00:57:04,573 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 00:57:04,573 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 00:57:04,576 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 00:57:04,576 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 12:57:04" (1/1) ... [2025-03-08 00:57:04,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@91fa95a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:57:04, skipping insertion in model container [2025-03-08 00:57:04,577 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 12:57:04" (1/1) ... [2025-03-08 00:57:04,602 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 00:57:04,719 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_44-simple-else-path_true.i[1090,1103] [2025-03-08 00:57:04,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 00:57:04,893 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 00:57:04,902 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_44-simple-else-path_true.i[1090,1103] [2025-03-08 00:57:04,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 00:57:04,956 INFO L204 MainTranslator]: Completed translation [2025-03-08 00:57:04,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:57:04 WrapperNode [2025-03-08 00:57:04,957 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 00:57:04,958 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 00:57:04,958 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 00:57:04,958 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 00:57:04,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:57:04" (1/1) ... [2025-03-08 00:57:04,972 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:57:04" (1/1) ... [2025-03-08 00:57:04,982 INFO L138 Inliner]: procedures = 187, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2025-03-08 00:57:04,983 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 00:57:04,983 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 00:57:04,983 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 00:57:04,983 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 00:57:04,988 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:57:04" (1/1) ... [2025-03-08 00:57:04,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:57:04" (1/1) ... [2025-03-08 00:57:04,989 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:57:04" (1/1) ... [2025-03-08 00:57:04,996 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-08 00:57:04,996 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:57:04" (1/1) ... [2025-03-08 00:57:04,996 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:57:04" (1/1) ... [2025-03-08 00:57:04,999 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:57:04" (1/1) ... [2025-03-08 00:57:04,999 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:57:04" (1/1) ... [2025-03-08 00:57:05,000 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:57:04" (1/1) ... [2025-03-08 00:57:05,001 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:57:04" (1/1) ... [2025-03-08 00:57:05,002 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 00:57:05,002 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 00:57:05,002 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 00:57:05,002 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 00:57:05,003 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:57:04" (1/1) ... [2025-03-08 00:57:05,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 00:57:05,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 00:57:05,027 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) [2025-03-08 00:57:05,032 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 [2025-03-08 00:57:05,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 00:57:05,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 00:57:05,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 00:57:05,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 00:57:05,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 00:57:05,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 00:57:05,102 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 00:57:05,103 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 00:57:05,183 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2025-03-08 00:57:05,184 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 00:57:05,191 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 00:57:05,191 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 00:57:05,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 12:57:05 BoogieIcfgContainer [2025-03-08 00:57:05,192 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 00:57:05,193 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 00:57:05,193 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 00:57:05,196 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 00:57:05,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 12:57:04" (1/3) ... [2025-03-08 00:57:05,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c6b521e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 12:57:05, skipping insertion in model container [2025-03-08 00:57:05,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:57:04" (2/3) ... [2025-03-08 00:57:05,197 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c6b521e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 12:57:05, skipping insertion in model container [2025-03-08 00:57:05,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 12:57:05" (3/3) ... [2025-03-08 00:57:05,198 INFO L128 eAbstractionObserver]: Analyzing ICFG 68-longjmp_44-simple-else-path_true.i [2025-03-08 00:57:05,207 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 00:57:05,208 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 68-longjmp_44-simple-else-path_true.i that has 2 procedures, 22 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2025-03-08 00:57:05,243 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 00:57:05,251 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;@67fcad8d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 00:57:05,253 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-08 00:57:05,255 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 16 states have internal predecessors, (19), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-08 00:57:05,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-08 00:57:05,258 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 00:57:05,258 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-08 00:57:05,259 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 00:57:05,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 00:57:05,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1360338423, now seen corresponding path program 1 times [2025-03-08 00:57:05,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 00:57:05,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211023489] [2025-03-08 00:57:05,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 00:57:05,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 00:57:05,329 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-08 00:57:05,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-08 00:57:05,355 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 00:57:05,355 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 00:57:05,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 00:57:05,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 00:57:05,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211023489] [2025-03-08 00:57:05,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211023489] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 00:57:05,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 00:57:05,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 00:57:05,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282061375] [2025-03-08 00:57:05,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 00:57:05,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 00:57:05,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 00:57:05,549 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 00:57:05,549 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 00:57:05,550 INFO L87 Difference]: Start difference. First operand has 22 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 16 states have internal predecessors, (19), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 5 states, 5 states have (on average 1.0) internal successors, (5), 3 states have internal predecessors, (5), 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) [2025-03-08 00:57:05,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 00:57:05,621 INFO L93 Difference]: Finished difference Result 41 states and 55 transitions. [2025-03-08 00:57:05,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 00:57:05,623 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.0) internal successors, (5), 3 states have internal predecessors, (5), 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 6 [2025-03-08 00:57:05,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 00:57:05,626 INFO L225 Difference]: With dead ends: 41 [2025-03-08 00:57:05,626 INFO L226 Difference]: Without dead ends: 21 [2025-03-08 00:57:05,628 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-08 00:57:05,632 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 20 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 00:57:05,633 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 39 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 00:57:05,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2025-03-08 00:57:05,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2025-03-08 00:57:05,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 15 states have internal predecessors, (15), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-08 00:57:05,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2025-03-08 00:57:05,659 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 6 [2025-03-08 00:57:05,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 00:57:05,659 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2025-03-08 00:57:05,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.0) internal successors, (5), 3 states have internal predecessors, (5), 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) [2025-03-08 00:57:05,660 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2025-03-08 00:57:05,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-03-08 00:57:05,661 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 00:57:05,662 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 00:57:05,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 00:57:05,663 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 00:57:05,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 00:57:05,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1406931044, now seen corresponding path program 1 times [2025-03-08 00:57:05,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 00:57:05,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816962069] [2025-03-08 00:57:05,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 00:57:05,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 00:57:05,684 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-08 00:57:05,710 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-08 00:57:05,710 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 00:57:05,710 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 00:57:05,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 00:57:05,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 00:57:05,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816962069] [2025-03-08 00:57:05,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816962069] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 00:57:05,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 00:57:05,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 00:57:05,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590082905] [2025-03-08 00:57:05,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 00:57:05,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 00:57:05,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 00:57:05,741 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 00:57:05,742 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 00:57:05,742 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 00:57:05,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 00:57:05,750 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2025-03-08 00:57:05,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 00:57:05,751 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2025-03-08 00:57:05,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 00:57:05,751 INFO L225 Difference]: With dead ends: 21 [2025-03-08 00:57:05,751 INFO L226 Difference]: Without dead ends: 13 [2025-03-08 00:57:05,752 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 00:57:05,752 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 00:57:05,752 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 00:57:05,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2025-03-08 00:57:05,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2025-03-08 00:57:05,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.0) internal successors, (9), 9 states have internal predecessors, (9), 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) [2025-03-08 00:57:05,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2025-03-08 00:57:05,757 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 13 [2025-03-08 00:57:05,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 00:57:05,757 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2025-03-08 00:57:05,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 00:57:05,757 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2025-03-08 00:57:05,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-03-08 00:57:05,758 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 00:57:05,758 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 00:57:05,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 00:57:05,758 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 00:57:05,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 00:57:05,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1103027629, now seen corresponding path program 1 times [2025-03-08 00:57:05,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 00:57:05,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812800164] [2025-03-08 00:57:05,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 00:57:05,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 00:57:05,777 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-08 00:57:05,789 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-08 00:57:05,789 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 00:57:05,789 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 00:57:05,789 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 00:57:05,794 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-08 00:57:05,803 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-08 00:57:05,803 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 00:57:05,803 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 00:57:05,815 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-08 00:57:05,815 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 00:57:05,816 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2025-03-08 00:57:05,817 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2025-03-08 00:57:05,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 00:57:05,820 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-08 00:57:05,835 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 00:57:05,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 12:57:05 BoogieIcfgContainer [2025-03-08 00:57:05,839 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 00:57:05,839 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 00:57:05,839 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 00:57:05,839 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 00:57:05,840 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 12:57:05" (3/4) ... [2025-03-08 00:57:05,842 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-08 00:57:05,843 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 00:57:05,844 INFO L158 Benchmark]: Toolchain (without parser) took 1272.10ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 90.5MB in the end (delta: 15.1MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2025-03-08 00:57:05,844 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 192.9MB. Free memory is still 118.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 00:57:05,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.57ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 84.0MB in the end (delta: 21.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 00:57:05,845 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.00ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 82.2MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 00:57:05,845 INFO L158 Benchmark]: Boogie Preprocessor took 18.35ms. Allocated memory is still 142.6MB. Free memory was 82.2MB in the beginning and 81.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 00:57:05,845 INFO L158 Benchmark]: IcfgBuilder took 189.61ms. Allocated memory is still 142.6MB. Free memory was 80.6MB in the beginning and 69.5MB in the end (delta: 11.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 00:57:05,845 INFO L158 Benchmark]: TraceAbstraction took 645.61ms. Allocated memory is still 142.6MB. Free memory was 68.7MB in the beginning and 90.6MB in the end (delta: -21.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 00:57:05,845 INFO L158 Benchmark]: Witness Printer took 3.90ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 90.5MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 00:57:05,848 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 192.9MB. Free memory is still 118.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 384.57ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 84.0MB in the end (delta: 21.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.00ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 82.2MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.35ms. Allocated memory is still 142.6MB. Free memory was 82.2MB in the beginning and 81.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 189.61ms. Allocated memory is still 142.6MB. Free memory was 80.6MB in the beginning and 69.5MB in the end (delta: 11.0MB). There was no memory consumed. Max. memory is 16.1GB. * TraceAbstraction took 645.61ms. Allocated memory is still 142.6MB. Free memory was 68.7MB in the beginning and 90.6MB in the end (delta: -21.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.90ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 90.5MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 727]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of longjmp at line 727. Possible FailurePath: [L723] jmp_buf env_buffer; [L724] int global = 0; VAL [global=0] [L730] int val; [L731] jmp_buf env_buffer2; VAL [global=0] [L732] CALL __VERIFIER_assert(global == 0) VAL [\old(cond)=1, global=0] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, global=0] [L732] RET __VERIFIER_assert(global == 0) VAL [global=0] [L733] val = _setjmp (env_buffer) VAL [global=0, val=0] [L734] COND FALSE !(val != 0) VAL [global=0] [L740] CALL __VERIFIER_assert(global == 0) VAL [\old(cond)=1, global=0] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, global=0] [L740] RET __VERIFIER_assert(global == 0) VAL [global=0] [L741] CALL fun() [L726] global = 2 VAL [global=2] [L727] longjmp(env_buffer, 2) VAL [global=2] - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 31 edges, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 61 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 34 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 27 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 29 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 2/2 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 [2025-03-08 00:57:05,865 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 ../sv-benchmarks/c/longjmp/68-longjmp_44-simple-else-path_true.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 99eae710bb65117965e888814fdf21f3293eedb65395b3dcb2fbe8f4cba64be6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 00:57:07,741 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 00:57:07,841 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2025-03-08 00:57:07,848 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 00:57:07,848 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 00:57:07,870 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 00:57:07,872 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 00:57:07,872 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 00:57:07,872 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 00:57:07,873 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 00:57:07,873 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 00:57:07,873 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 00:57:07,874 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 00:57:07,874 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 00:57:07,874 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 00:57:07,874 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 00:57:07,874 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 00:57:07,874 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 00:57:07,874 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 00:57:07,874 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 00:57:07,874 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 00:57:07,875 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-08 00:57:07,875 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-08 00:57:07,875 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-08 00:57:07,875 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 00:57:07,875 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 00:57:07,875 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 00:57:07,875 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 00:57:07,876 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 00:57:07,876 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 00:57:07,876 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 00:57:07,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 00:57:07,876 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 00:57:07,876 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 00:57:07,877 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 00:57:07,877 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 00:57:07,877 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-08 00:57:07,877 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-08 00:57:07,877 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 00:57:07,877 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 00:57:07,877 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 00:57:07,877 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 00:57:07,877 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 -> 99eae710bb65117965e888814fdf21f3293eedb65395b3dcb2fbe8f4cba64be6 [2025-03-08 00:57:08,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 00:57:08,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 00:57:08,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 00:57:08,118 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 00:57:08,118 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 00:57:08,119 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/longjmp/68-longjmp_44-simple-else-path_true.i [2025-03-08 00:57:09,327 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd087f2a0/6474710dec2340f7a5306013111df815/FLAGc79d6e4eb [2025-03-08 00:57:09,540 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 00:57:09,540 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_44-simple-else-path_true.i [2025-03-08 00:57:09,557 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd087f2a0/6474710dec2340f7a5306013111df815/FLAGc79d6e4eb [2025-03-08 00:57:09,572 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd087f2a0/6474710dec2340f7a5306013111df815 [2025-03-08 00:57:09,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 00:57:09,576 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 00:57:09,577 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 00:57:09,577 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 00:57:09,580 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 00:57:09,581 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 12:57:09" (1/1) ... [2025-03-08 00:57:09,582 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3df45f64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:57:09, skipping insertion in model container [2025-03-08 00:57:09,582 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 12:57:09" (1/1) ... [2025-03-08 00:57:09,611 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 00:57:09,734 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_44-simple-else-path_true.i[1090,1103] [2025-03-08 00:57:09,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 00:57:09,868 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 00:57:09,877 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_44-simple-else-path_true.i[1090,1103] [2025-03-08 00:57:09,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 00:57:09,956 INFO L204 MainTranslator]: Completed translation [2025-03-08 00:57:09,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:57:09 WrapperNode [2025-03-08 00:57:09,957 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 00:57:09,958 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 00:57:09,959 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 00:57:09,960 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 00:57:09,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:57:09" (1/1) ... [2025-03-08 00:57:09,979 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:57:09" (1/1) ... [2025-03-08 00:57:09,996 INFO L138 Inliner]: procedures = 188, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2025-03-08 00:57:09,996 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 00:57:09,997 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 00:57:09,997 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 00:57:09,997 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 00:57:10,002 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:57:09" (1/1) ... [2025-03-08 00:57:10,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:57:09" (1/1) ... [2025-03-08 00:57:10,004 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:57:09" (1/1) ... [2025-03-08 00:57:10,017 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-08 00:57:10,017 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:57:09" (1/1) ... [2025-03-08 00:57:10,017 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:57:09" (1/1) ... [2025-03-08 00:57:10,024 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:57:09" (1/1) ... [2025-03-08 00:57:10,029 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:57:09" (1/1) ... [2025-03-08 00:57:10,030 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:57:09" (1/1) ... [2025-03-08 00:57:10,031 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:57:09" (1/1) ... [2025-03-08 00:57:10,032 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 00:57:10,033 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 00:57:10,033 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 00:57:10,033 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 00:57:10,036 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:57:09" (1/1) ... [2025-03-08 00:57:10,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 00:57:10,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 00:57:10,066 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) [2025-03-08 00:57:10,068 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 [2025-03-08 00:57:10,086 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 00:57:10,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 00:57:10,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 00:57:10,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-08 00:57:10,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 00:57:10,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 00:57:10,144 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 00:57:10,145 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 00:57:10,263 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2025-03-08 00:57:10,263 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 00:57:10,270 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 00:57:10,271 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 00:57:10,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 12:57:10 BoogieIcfgContainer [2025-03-08 00:57:10,271 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 00:57:10,273 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 00:57:10,274 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 00:57:10,277 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 00:57:10,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 12:57:09" (1/3) ... [2025-03-08 00:57:10,278 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b3ceb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 12:57:10, skipping insertion in model container [2025-03-08 00:57:10,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:57:09" (2/3) ... [2025-03-08 00:57:10,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b3ceb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 12:57:10, skipping insertion in model container [2025-03-08 00:57:10,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 12:57:10" (3/3) ... [2025-03-08 00:57:10,280 INFO L128 eAbstractionObserver]: Analyzing ICFG 68-longjmp_44-simple-else-path_true.i [2025-03-08 00:57:10,289 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 00:57:10,290 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 68-longjmp_44-simple-else-path_true.i that has 2 procedures, 22 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2025-03-08 00:57:10,324 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 00:57:10,331 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;@79760196, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 00:57:10,331 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-08 00:57:10,334 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 16 states have internal predecessors, (19), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-08 00:57:10,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-08 00:57:10,338 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 00:57:10,339 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-08 00:57:10,339 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 00:57:10,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 00:57:10,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1360338423, now seen corresponding path program 1 times [2025-03-08 00:57:10,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 00:57:10,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [765704935] [2025-03-08 00:57:10,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 00:57:10,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 00:57:10,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 00:57:10,354 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) [2025-03-08 00:57:10,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 00:57:10,418 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-08 00:57:10,436 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-08 00:57:10,436 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 00:57:10,436 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 00:57:10,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-08 00:57:10,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 00:57:10,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 00:57:10,525 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 00:57:10,526 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 00:57:10,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765704935] [2025-03-08 00:57:10,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [765704935] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 00:57:10,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 00:57:10,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 00:57:10,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012011008] [2025-03-08 00:57:10,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 00:57:10,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 00:57:10,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 00:57:10,543 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 00:57:10,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 00:57:10,545 INFO L87 Difference]: Start difference. First operand has 22 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 16 states have internal predecessors, (19), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 5 states, 5 states have (on average 1.0) internal successors, (5), 3 states have internal predecessors, (5), 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) [2025-03-08 00:57:10,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 00:57:10,613 INFO L93 Difference]: Finished difference Result 41 states and 55 transitions. [2025-03-08 00:57:10,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 00:57:10,615 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.0) internal successors, (5), 3 states have internal predecessors, (5), 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 6 [2025-03-08 00:57:10,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 00:57:10,618 INFO L225 Difference]: With dead ends: 41 [2025-03-08 00:57:10,618 INFO L226 Difference]: Without dead ends: 21 [2025-03-08 00:57:10,620 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-08 00:57:10,621 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 20 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 00:57:10,622 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 39 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 00:57:10,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2025-03-08 00:57:10,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2025-03-08 00:57:10,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 15 states have internal predecessors, (15), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-08 00:57:10,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2025-03-08 00:57:10,648 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 6 [2025-03-08 00:57:10,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 00:57:10,649 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2025-03-08 00:57:10,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.0) internal successors, (5), 3 states have internal predecessors, (5), 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) [2025-03-08 00:57:10,649 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2025-03-08 00:57:10,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-03-08 00:57:10,650 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 00:57:10,650 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 00:57:10,656 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-08 00:57:10,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 00:57:10,856 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 00:57:10,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 00:57:10,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1406931044, now seen corresponding path program 1 times [2025-03-08 00:57:10,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 00:57:10,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [299765541] [2025-03-08 00:57:10,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 00:57:10,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 00:57:10,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 00:57:10,858 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) [2025-03-08 00:57:10,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 00:57:10,906 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-08 00:57:10,918 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-08 00:57:10,918 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 00:57:10,918 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 00:57:10,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-08 00:57:10,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 00:57:10,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 00:57:10,930 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 00:57:10,930 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 00:57:10,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299765541] [2025-03-08 00:57:10,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [299765541] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 00:57:10,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 00:57:10,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 00:57:10,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289843110] [2025-03-08 00:57:10,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 00:57:10,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 00:57:10,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 00:57:10,931 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 00:57:10,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 00:57:10,931 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 00:57:10,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 00:57:10,937 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2025-03-08 00:57:10,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 00:57:10,938 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2025-03-08 00:57:10,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 00:57:10,938 INFO L225 Difference]: With dead ends: 21 [2025-03-08 00:57:10,938 INFO L226 Difference]: Without dead ends: 13 [2025-03-08 00:57:10,939 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 00:57:10,939 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 00:57:10,939 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 00:57:10,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2025-03-08 00:57:10,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2025-03-08 00:57:10,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.0) internal successors, (9), 9 states have internal predecessors, (9), 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) [2025-03-08 00:57:10,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2025-03-08 00:57:10,947 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 13 [2025-03-08 00:57:10,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 00:57:10,947 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2025-03-08 00:57:10,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 00:57:10,947 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2025-03-08 00:57:10,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-03-08 00:57:10,948 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 00:57:10,948 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 00:57:10,954 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-08 00:57:11,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 00:57:11,152 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 00:57:11,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 00:57:11,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1103027629, now seen corresponding path program 1 times [2025-03-08 00:57:11,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 00:57:11,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [219522483] [2025-03-08 00:57:11,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 00:57:11,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 00:57:11,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 00:57:11,155 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 00:57:11,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-08 00:57:11,194 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-08 00:57:11,235 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-08 00:57:11,236 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 00:57:11,236 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 00:57:11,236 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 00:57:11,249 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-08 00:57:11,272 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-08 00:57:11,273 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 00:57:11,273 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 00:57:11,291 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-03-08 00:57:11,291 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 00:57:11,292 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2025-03-08 00:57:11,294 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2025-03-08 00:57:11,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-08 00:57:11,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 00:57:11,497 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-08 00:57:11,509 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 00:57:11,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 12:57:11 BoogieIcfgContainer [2025-03-08 00:57:11,511 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 00:57:11,512 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 00:57:11,512 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 00:57:11,512 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 00:57:11,512 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 12:57:10" (3/4) ... [2025-03-08 00:57:11,514 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-08 00:57:11,514 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 00:57:11,515 INFO L158 Benchmark]: Toolchain (without parser) took 1939.64ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 62.5MB in the end (delta: 28.8MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2025-03-08 00:57:11,515 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 83.9MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 00:57:11,515 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.18ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 68.2MB in the end (delta: 22.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-08 00:57:11,516 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.98ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 66.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 00:57:11,516 INFO L158 Benchmark]: Boogie Preprocessor took 35.37ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 64.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 00:57:11,516 INFO L158 Benchmark]: IcfgBuilder took 238.75ms. Allocated memory is still 117.4MB. Free memory was 64.6MB in the beginning and 53.1MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 00:57:11,516 INFO L158 Benchmark]: TraceAbstraction took 1238.38ms. Allocated memory is still 117.4MB. Free memory was 52.7MB in the beginning and 63.3MB in the end (delta: -10.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 00:57:11,516 INFO L158 Benchmark]: Witness Printer took 2.67ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 62.5MB in the end (delta: 756.5kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 00:57:11,518 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 83.9MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 381.18ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 68.2MB in the end (delta: 22.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.98ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 66.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.37ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 64.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 238.75ms. Allocated memory is still 117.4MB. Free memory was 64.6MB in the beginning and 53.1MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1238.38ms. Allocated memory is still 117.4MB. Free memory was 52.7MB in the beginning and 63.3MB in the end (delta: -10.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.67ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 62.5MB in the end (delta: 756.5kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 727]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of longjmp at line 727. Possible FailurePath: [L723] jmp_buf env_buffer; [L724] int global = 0; VAL [global=0] [L730] int val; [L731] jmp_buf env_buffer2; VAL [global=0] [L732] CALL __VERIFIER_assert(global == 0) VAL [\old(cond)=1, global=0] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, global=0] [L732] RET __VERIFIER_assert(global == 0) VAL [global=0] [L733] val = _setjmp (env_buffer) VAL [global=0, val=0] [L734] COND FALSE !(val != 0) VAL [global=0] [L740] CALL __VERIFIER_assert(global == 0) VAL [\old(cond)=1, global=0] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, global=0] [L740] RET __VERIFIER_assert(global == 0) VAL [global=0] [L741] CALL fun() [L726] global = 2 VAL [global=2] [L727] longjmp(env_buffer, 2) VAL [global=2] - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 31 edges, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 61 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 34 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 27 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 2 NumberOfNonLiveVariables, 107 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 2/2 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 [2025-03-08 00:57:11,532 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