./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/longjmp/68-longjmp_04-counting-local_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_04-counting-local_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 fbb32b4b0fc13b053223118a66ace38dea46a70e128659e3b9aa432a1c2485f8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 00:56:04,795 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 00:56:04,848 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 00:56:04,855 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 00:56:04,855 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 00:56:04,873 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 00:56:04,873 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 00:56:04,873 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 00:56:04,873 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 00:56:04,874 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 00:56:04,875 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 00:56:04,875 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 00:56:04,875 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 00:56:04,875 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 00:56:04,876 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 00:56:04,876 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 00:56:04,876 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 00:56:04,876 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 00:56:04,876 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 00:56:04,876 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 00:56:04,876 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 00:56:04,876 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 00:56:04,876 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 00:56:04,877 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 00:56:04,877 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 00:56:04,877 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 00:56:04,877 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 00:56:04,877 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 00:56:04,877 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 00:56:04,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 00:56:04,877 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 00:56:04,877 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 00:56:04,878 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 00:56:04,878 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 00:56:04,878 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 00:56:04,878 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 00:56:04,878 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 00:56:04,878 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 00:56:04,878 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 00:56:04,878 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 00:56:04,878 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 -> fbb32b4b0fc13b053223118a66ace38dea46a70e128659e3b9aa432a1c2485f8 [2025-03-08 00:56:05,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 00:56:05,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 00:56:05,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 00:56:05,099 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 00:56:05,099 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 00:56:05,100 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/longjmp/68-longjmp_04-counting-local_true.i [2025-03-08 00:56:06,235 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb887a6ab/8d6e4f21518b4bac94d16237a4889f31/FLAGabac57951 [2025-03-08 00:56:06,471 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 00:56:06,472 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_04-counting-local_true.i [2025-03-08 00:56:06,480 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb887a6ab/8d6e4f21518b4bac94d16237a4889f31/FLAGabac57951 [2025-03-08 00:56:06,497 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb887a6ab/8d6e4f21518b4bac94d16237a4889f31 [2025-03-08 00:56:06,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 00:56:06,500 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 00:56:06,502 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 00:56:06,502 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 00:56:06,505 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 00:56:06,506 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 12:56:06" (1/1) ... [2025-03-08 00:56:06,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1910944d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:56:06, skipping insertion in model container [2025-03-08 00:56:06,506 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 12:56:06" (1/1) ... [2025-03-08 00:56:06,519 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 00:56:06,619 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_04-counting-local_true.i[1088,1101] [2025-03-08 00:56:06,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 00:56:06,644 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 00:56:06,652 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_04-counting-local_true.i[1088,1101] [2025-03-08 00:56:06,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 00:56:06,672 INFO L204 MainTranslator]: Completed translation [2025-03-08 00:56:06,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:56:06 WrapperNode [2025-03-08 00:56:06,673 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 00:56:06,674 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 00:56:06,674 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 00:56:06,674 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 00:56:06,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:56:06" (1/1) ... [2025-03-08 00:56:06,685 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:56:06" (1/1) ... [2025-03-08 00:56:06,697 INFO L138 Inliner]: procedures = 21, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44 [2025-03-08 00:56:06,698 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 00:56:06,698 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 00:56:06,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 00:56:06,699 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 00:56:06,704 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:56:06" (1/1) ... [2025-03-08 00:56:06,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:56:06" (1/1) ... [2025-03-08 00:56:06,706 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:56:06" (1/1) ... [2025-03-08 00:56:06,716 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 00:56:06,717 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:56:06" (1/1) ... [2025-03-08 00:56:06,717 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:56:06" (1/1) ... [2025-03-08 00:56:06,721 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:56:06" (1/1) ... [2025-03-08 00:56:06,722 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:56:06" (1/1) ... [2025-03-08 00:56:06,723 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:56:06" (1/1) ... [2025-03-08 00:56:06,724 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:56:06" (1/1) ... [2025-03-08 00:56:06,725 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 00:56:06,726 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 00:56:06,729 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 00:56:06,729 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 00:56:06,730 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:56:06" (1/1) ... [2025-03-08 00:56:06,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 00:56:06,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 00:56:06,755 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 00:56:06,761 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 00:56:06,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 00:56:06,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 00:56:06,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 00:56:06,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 00:56:06,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 00:56:06,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 00:56:06,821 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 00:56:06,823 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 00:56:06,926 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2025-03-08 00:56:06,927 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 00:56:06,932 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 00:56:06,932 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 00:56:06,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 12:56:06 BoogieIcfgContainer [2025-03-08 00:56:06,933 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 00:56:06,934 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 00:56:06,935 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 00:56:06,937 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 00:56:06,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 12:56:06" (1/3) ... [2025-03-08 00:56:06,938 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d3a434b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 12:56:06, skipping insertion in model container [2025-03-08 00:56:06,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:56:06" (2/3) ... [2025-03-08 00:56:06,938 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d3a434b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 12:56:06, skipping insertion in model container [2025-03-08 00:56:06,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 12:56:06" (3/3) ... [2025-03-08 00:56:06,940 INFO L128 eAbstractionObserver]: Analyzing ICFG 68-longjmp_04-counting-local_true.i [2025-03-08 00:56:06,950 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 00:56:06,951 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 68-longjmp_04-counting-local_true.i that has 2 procedures, 17 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2025-03-08 00:56:06,981 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 00:56:06,992 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;@248f3eff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 00:56:06,992 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-08 00:56:06,994 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 14 states have internal predecessors, (16), 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 00:56:06,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-08 00:56:07,000 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 00:56:07,000 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-08 00:56:07,001 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 00:56:07,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 00:56:07,006 INFO L85 PathProgramCache]: Analyzing trace with hash -2002316094, now seen corresponding path program 1 times [2025-03-08 00:56:07,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 00:56:07,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424156034] [2025-03-08 00:56:07,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 00:56:07,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 00:56:07,078 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-08 00:56:07,107 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-08 00:56:07,108 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 00:56:07,108 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 00:56:07,329 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 00:56:07,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 00:56:07,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424156034] [2025-03-08 00:56:07,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424156034] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 00:56:07,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 00:56:07,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 00:56:07,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740785618] [2025-03-08 00:56:07,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 00:56:07,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 00:56:07,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 00:56:07,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 00:56:07,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 00:56:07,353 INFO L87 Difference]: Start difference. First operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 14 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 00:56:07,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 00:56:07,403 INFO L93 Difference]: Finished difference Result 23 states and 28 transitions. [2025-03-08 00:56:07,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 00:56:07,405 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-03-08 00:56:07,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 00:56:07,410 INFO L225 Difference]: With dead ends: 23 [2025-03-08 00:56:07,412 INFO L226 Difference]: Without dead ends: 10 [2025-03-08 00:56:07,414 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-03-08 00:56:07,416 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 00:56:07,417 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 21 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 00:56:07,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2025-03-08 00:56:07,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2025-03-08 00:56:07,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 00:56:07,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions. [2025-03-08 00:56:07,441 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 7 [2025-03-08 00:56:07,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 00:56:07,441 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions. [2025-03-08 00:56:07,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 00:56:07,442 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2025-03-08 00:56:07,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-03-08 00:56:07,443 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 00:56:07,443 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 00:56:07,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 00:56:07,443 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 00:56:07,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 00:56:07,444 INFO L85 PathProgramCache]: Analyzing trace with hash -80383436, now seen corresponding path program 1 times [2025-03-08 00:56:07,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 00:56:07,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525613042] [2025-03-08 00:56:07,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 00:56:07,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 00:56:07,467 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-08 00:56:07,480 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-08 00:56:07,483 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 00:56:07,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 00:56:07,483 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 00:56:07,486 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-08 00:56:07,492 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-08 00:56:07,492 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 00:56:07,492 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 00:56:07,507 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-08 00:56:07,507 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 00:56:07,508 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2025-03-08 00:56:07,510 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2025-03-08 00:56:07,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 00:56:07,512 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-08 00:56:07,524 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 00:56:07,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 12:56:07 BoogieIcfgContainer [2025-03-08 00:56:07,527 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 00:56:07,527 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 00:56:07,527 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 00:56:07,528 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 00:56:07,528 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 12:56:06" (3/4) ... [2025-03-08 00:56:07,530 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-08 00:56:07,530 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 00:56:07,531 INFO L158 Benchmark]: Toolchain (without parser) took 1030.64ms. Allocated memory is still 201.3MB. Free memory was 154.1MB in the beginning and 83.6MB in the end (delta: 70.5MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2025-03-08 00:56:07,531 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 119.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 00:56:07,532 INFO L158 Benchmark]: CACSL2BoogieTranslator took 172.45ms. Allocated memory is still 201.3MB. Free memory was 153.7MB in the beginning and 142.9MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 00:56:07,532 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.71ms. Allocated memory is still 201.3MB. Free memory was 142.9MB in the beginning and 141.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 00:56:07,532 INFO L158 Benchmark]: Boogie Preprocessor took 26.75ms. Allocated memory is still 201.3MB. Free memory was 141.4MB in the beginning and 140.4MB in the end (delta: 957.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 00:56:07,533 INFO L158 Benchmark]: IcfgBuilder took 207.04ms. Allocated memory is still 201.3MB. Free memory was 140.1MB in the beginning and 128.4MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 00:56:07,533 INFO L158 Benchmark]: TraceAbstraction took 592.47ms. Allocated memory is still 201.3MB. Free memory was 127.7MB in the beginning and 83.9MB in the end (delta: 43.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-03-08 00:56:07,533 INFO L158 Benchmark]: Witness Printer took 2.79ms. Allocated memory is still 201.3MB. Free memory was 83.9MB in the beginning and 83.6MB in the end (delta: 363.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 00:56:07,534 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 119.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 172.45ms. Allocated memory is still 201.3MB. Free memory was 153.7MB in the beginning and 142.9MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.71ms. Allocated memory is still 201.3MB. Free memory was 142.9MB in the beginning and 141.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.75ms. Allocated memory is still 201.3MB. Free memory was 141.4MB in the beginning and 140.4MB in the end (delta: 957.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 207.04ms. Allocated memory is still 201.3MB. Free memory was 140.1MB in the beginning and 128.4MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 592.47ms. Allocated memory is still 201.3MB. Free memory was 127.7MB in the beginning and 83.9MB in the end (delta: 43.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 2.79ms. Allocated memory is still 201.3MB. Free memory was 83.9MB in the beginning and 83.6MB in the end (delta: 363.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 48]: 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 48. Possible FailurePath: [L44] jmp_buf my_jump_buffer; [L52] volatile int count = 0; VAL [count=0] [L54] COND TRUE count < 5 [L55] count++ [L56] CALL foo(count) [L47] CALL __VERIFIER_assert(count >= 0 && count <= 5) VAL [\old(cond)=1] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L47] RET __VERIFIER_assert(count >= 0 && count <= 5) VAL [count=1] [L48] longjmp(my_jump_buffer, 1) VAL [count=1] - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 17 locations, 22 edges, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 5 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-08 00:56:07,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/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_04-counting-local_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 fbb32b4b0fc13b053223118a66ace38dea46a70e128659e3b9aa432a1c2485f8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 00:56:09,366 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 00:56:09,447 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2025-03-08 00:56:09,453 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 00:56:09,454 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 00:56:09,479 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 00:56:09,480 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 00:56:09,480 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 00:56:09,481 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 00:56:09,481 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 00:56:09,482 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 00:56:09,482 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 00:56:09,482 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 00:56:09,482 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 00:56:09,482 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 00:56:09,483 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 00:56:09,483 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 00:56:09,483 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 00:56:09,483 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 00:56:09,483 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 00:56:09,483 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 00:56:09,484 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-08 00:56:09,484 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-08 00:56:09,484 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-08 00:56:09,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 00:56:09,484 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 00:56:09,484 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 00:56:09,484 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 00:56:09,484 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 00:56:09,484 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 00:56:09,484 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 00:56:09,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 00:56:09,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 00:56:09,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 00:56:09,485 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 00:56:09,485 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 00:56:09,485 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-08 00:56:09,485 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-08 00:56:09,485 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 00:56:09,485 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 00:56:09,485 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 00:56:09,485 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 00:56:09,485 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 -> fbb32b4b0fc13b053223118a66ace38dea46a70e128659e3b9aa432a1c2485f8 [2025-03-08 00:56:09,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 00:56:09,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 00:56:09,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 00:56:09,720 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 00:56:09,721 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 00:56:09,723 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/longjmp/68-longjmp_04-counting-local_true.i [2025-03-08 00:56:10,835 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a52070d03/99c6893cc73144d2b963c9aa266c69f7/FLAGc8033ea51 [2025-03-08 00:56:11,010 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 00:56:11,011 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_04-counting-local_true.i [2025-03-08 00:56:11,017 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a52070d03/99c6893cc73144d2b963c9aa266c69f7/FLAGc8033ea51 [2025-03-08 00:56:11,028 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a52070d03/99c6893cc73144d2b963c9aa266c69f7 [2025-03-08 00:56:11,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 00:56:11,031 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 00:56:11,032 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 00:56:11,033 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 00:56:11,036 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 00:56:11,037 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 12:56:11" (1/1) ... [2025-03-08 00:56:11,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4baae7d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:56:11, skipping insertion in model container [2025-03-08 00:56:11,039 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 12:56:11" (1/1) ... [2025-03-08 00:56:11,050 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 00:56:11,154 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_04-counting-local_true.i[1088,1101] [2025-03-08 00:56:11,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 00:56:11,186 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 00:56:11,196 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_04-counting-local_true.i[1088,1101] [2025-03-08 00:56:11,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 00:56:11,219 INFO L204 MainTranslator]: Completed translation [2025-03-08 00:56:11,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:56:11 WrapperNode [2025-03-08 00:56:11,220 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 00:56:11,221 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 00:56:11,221 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 00:56:11,221 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 00:56:11,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:56:11" (1/1) ... [2025-03-08 00:56:11,234 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:56:11" (1/1) ... [2025-03-08 00:56:11,248 INFO L138 Inliner]: procedures = 21, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44 [2025-03-08 00:56:11,248 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 00:56:11,248 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 00:56:11,248 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 00:56:11,249 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 00:56:11,253 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:56:11" (1/1) ... [2025-03-08 00:56:11,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:56:11" (1/1) ... [2025-03-08 00:56:11,256 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:56:11" (1/1) ... [2025-03-08 00:56:11,267 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 00:56:11,268 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:56:11" (1/1) ... [2025-03-08 00:56:11,268 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:56:11" (1/1) ... [2025-03-08 00:56:11,275 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:56:11" (1/1) ... [2025-03-08 00:56:11,276 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:56:11" (1/1) ... [2025-03-08 00:56:11,279 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:56:11" (1/1) ... [2025-03-08 00:56:11,279 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:56:11" (1/1) ... [2025-03-08 00:56:11,280 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 00:56:11,281 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 00:56:11,281 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 00:56:11,281 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 00:56:11,285 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:56:11" (1/1) ... [2025-03-08 00:56:11,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 00:56:11,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 00:56:11,309 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 00:56:11,311 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 00:56:11,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 00:56:11,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-08 00:56:11,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 00:56:11,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 00:56:11,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 00:56:11,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 00:56:11,380 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 00:56:11,382 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 00:56:11,537 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2025-03-08 00:56:11,537 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 00:56:11,547 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 00:56:11,548 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 00:56:11,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 12:56:11 BoogieIcfgContainer [2025-03-08 00:56:11,548 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 00:56:11,550 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 00:56:11,550 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 00:56:11,556 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 00:56:11,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 12:56:11" (1/3) ... [2025-03-08 00:56:11,557 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@640dedc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 12:56:11, skipping insertion in model container [2025-03-08 00:56:11,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 12:56:11" (2/3) ... [2025-03-08 00:56:11,557 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@640dedc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 12:56:11, skipping insertion in model container [2025-03-08 00:56:11,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 12:56:11" (3/3) ... [2025-03-08 00:56:11,558 INFO L128 eAbstractionObserver]: Analyzing ICFG 68-longjmp_04-counting-local_true.i [2025-03-08 00:56:11,569 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 00:56:11,570 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 68-longjmp_04-counting-local_true.i that has 2 procedures, 17 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2025-03-08 00:56:11,603 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 00:56:11,624 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;@61c21f1e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 00:56:11,624 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-08 00:56:11,627 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 14 states have internal predecessors, (16), 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 00:56:11,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-08 00:56:11,632 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 00:56:11,632 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-08 00:56:11,633 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 00:56:11,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 00:56:11,638 INFO L85 PathProgramCache]: Analyzing trace with hash -2002316094, now seen corresponding path program 1 times [2025-03-08 00:56:11,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 00:56:11,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [526248150] [2025-03-08 00:56:11,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 00:56:11,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 00:56:11,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 00:56:11,649 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 00:56:11,650 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 00:56:11,711 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-08 00:56:11,730 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-08 00:56:11,730 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 00:56:11,730 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 00:56:11,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-08 00:56:11,739 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 00:56:11,834 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 00:56:11,834 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 00:56:11,837 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 00:56:11,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526248150] [2025-03-08 00:56:11,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526248150] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 00:56:11,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 00:56:11,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 00:56:11,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579070215] [2025-03-08 00:56:11,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 00:56:11,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 00:56:11,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 00:56:11,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 00:56:11,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 00:56:11,855 INFO L87 Difference]: Start difference. First operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 14 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 00:56:11,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 00:56:11,904 INFO L93 Difference]: Finished difference Result 23 states and 28 transitions. [2025-03-08 00:56:11,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 00:56:11,906 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-03-08 00:56:11,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 00:56:11,911 INFO L225 Difference]: With dead ends: 23 [2025-03-08 00:56:11,911 INFO L226 Difference]: Without dead ends: 10 [2025-03-08 00:56:11,912 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-03-08 00:56:11,916 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 00:56:11,917 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 21 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 00:56:11,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2025-03-08 00:56:11,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2025-03-08 00:56:11,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 00:56:11,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions. [2025-03-08 00:56:11,936 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 7 [2025-03-08 00:56:11,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 00:56:11,936 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions. [2025-03-08 00:56:11,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 00:56:11,937 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2025-03-08 00:56:11,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-03-08 00:56:11,937 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 00:56:11,937 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 00:56:11,944 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 00:56:12,137 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 00:56:12,140 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 00:56:12,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 00:56:12,140 INFO L85 PathProgramCache]: Analyzing trace with hash -80383436, now seen corresponding path program 1 times [2025-03-08 00:56:12,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 00:56:12,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [294150417] [2025-03-08 00:56:12,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 00:56:12,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 00:56:12,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 00:56:12,143 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 00:56:12,144 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 00:56:12,185 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-08 00:56:12,222 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-08 00:56:12,222 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 00:56:12,222 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 00:56:12,223 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 00:56:12,231 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-08 00:56:12,249 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-08 00:56:12,249 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 00:56:12,249 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 00:56:12,260 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-03-08 00:56:12,260 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 00:56:12,261 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2025-03-08 00:56:12,262 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2025-03-08 00:56:12,269 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-08 00:56:12,463 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 00:56:12,465 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-08 00:56:12,475 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 00:56:12,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 12:56:12 BoogieIcfgContainer [2025-03-08 00:56:12,477 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 00:56:12,478 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 00:56:12,478 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 00:56:12,478 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 00:56:12,478 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 12:56:11" (3/4) ... [2025-03-08 00:56:12,480 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-08 00:56:12,480 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 00:56:12,480 INFO L158 Benchmark]: Toolchain (without parser) took 1449.69ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 28.2MB in the end (delta: 28.8MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2025-03-08 00:56:12,481 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory was 53.6MB in the beginning and 53.6MB in the end (delta: 18.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 00:56:12,481 INFO L158 Benchmark]: CACSL2BoogieTranslator took 188.87ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 45.1MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 00:56:12,481 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.97ms. Allocated memory is still 83.9MB. Free memory was 45.1MB in the beginning and 44.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 00:56:12,481 INFO L158 Benchmark]: Boogie Preprocessor took 32.07ms. Allocated memory is still 83.9MB. Free memory was 44.0MB in the beginning and 42.4MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 00:56:12,481 INFO L158 Benchmark]: IcfgBuilder took 267.10ms. Allocated memory is still 83.9MB. Free memory was 42.4MB in the beginning and 31.7MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 00:56:12,481 INFO L158 Benchmark]: TraceAbstraction took 927.47ms. Allocated memory is still 83.9MB. Free memory was 31.1MB in the beginning and 28.2MB in the end (delta: 2.9MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2025-03-08 00:56:12,482 INFO L158 Benchmark]: Witness Printer took 2.40ms. Allocated memory is still 83.9MB. Free memory is still 28.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 00:56:12,483 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory was 53.6MB in the beginning and 53.6MB in the end (delta: 18.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 188.87ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 45.1MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.97ms. Allocated memory is still 83.9MB. Free memory was 45.1MB in the beginning and 44.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.07ms. Allocated memory is still 83.9MB. Free memory was 44.0MB in the beginning and 42.4MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 267.10ms. Allocated memory is still 83.9MB. Free memory was 42.4MB in the beginning and 31.7MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 927.47ms. Allocated memory is still 83.9MB. Free memory was 31.1MB in the beginning and 28.2MB in the end (delta: 2.9MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. * Witness Printer took 2.40ms. Allocated memory is still 83.9MB. Free memory is still 28.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 48]: 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 48. Possible FailurePath: [L44] jmp_buf my_jump_buffer; [L52] volatile int count = 0; VAL [count=0] [L54] COND TRUE count < 5 [L55] count++ [L56] CALL foo(count) [L47] CALL __VERIFIER_assert(count >= 0 && count <= 5) VAL [\old(cond)=1] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L47] RET __VERIFIER_assert(count >= 0 && count <= 5) VAL [count=1] [L48] longjmp(my_jump_buffer, 1) VAL [count=1] - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 17 locations, 22 edges, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 5 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 2 NumberOfNonLiveVariables, 51 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-08 00:56:12,494 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