./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/longjmp/68-longjmp_04-counting-local_unknown_1_pos.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da043454 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/longjmp/68-longjmp_04-counting-local_unknown_1_pos.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7cc34de02f8b3d9dcdae280bdbfa24fcf2771215ae05893b1baae606e521bcec --- Real Ultimate output --- This is Ultimate 0.3.0-wip.fs.system-includes-da04345-m [2025-04-29 10:57:22,445 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-29 10:57:22,501 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-04-29 10:57:22,507 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-29 10:57:22,509 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-29 10:57:22,532 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-29 10:57:22,533 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-29 10:57:22,533 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-29 10:57:22,534 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-04-29 10:57:22,534 INFO L153 SettingsManager]: * Use memory slicer=true [2025-04-29 10:57:22,535 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-29 10:57:22,535 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-29 10:57:22,535 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-29 10:57:22,535 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-29 10:57:22,535 INFO L153 SettingsManager]: * Use SBE=true [2025-04-29 10:57:22,536 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-29 10:57:22,536 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-29 10:57:22,536 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-29 10:57:22,536 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-29 10:57:22,536 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-29 10:57:22,536 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-29 10:57:22,536 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-29 10:57:22,536 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-29 10:57:22,536 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-29 10:57:22,536 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-29 10:57:22,536 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-29 10:57:22,536 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-29 10:57:22,537 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-29 10:57:22,537 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-29 10:57:22,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 10:57:22,537 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-29 10:57:22,537 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-29 10:57:22,537 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-29 10:57:22,537 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-29 10:57:22,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 10:57:22,537 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-29 10:57:22,537 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-29 10:57:22,538 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-29 10:57:22,538 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-29 10:57:22,538 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-29 10:57:22,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-29 10:57:22,538 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-29 10:57:22,538 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-29 10:57:22,538 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-29 10:57:22,538 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 -> 7cc34de02f8b3d9dcdae280bdbfa24fcf2771215ae05893b1baae606e521bcec [2025-04-29 10:57:22,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-29 10:57:22,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-29 10:57:22,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-29 10:57:22,752 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-29 10:57:22,753 INFO L274 PluginConnector]: CDTParser initialized [2025-04-29 10:57:22,753 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/longjmp/68-longjmp_04-counting-local_unknown_1_pos.c [2025-04-29 10:57:24,008 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a9d80c60/e9f9471329804e2a869fab951f078098/FLAG3dfd43f74 [2025-04-29 10:57:24,231 INFO L389 CDTParser]: Found 1 translation units. [2025-04-29 10:57:24,232 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/longjmp/68-longjmp_04-counting-local_unknown_1_pos.c [2025-04-29 10:57:24,233 WARN L117 ultiparseSymbolTable]: System include assert.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 10:57:24,234 WARN L117 ultiparseSymbolTable]: System include setjmp.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 10:57:24,240 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a9d80c60/e9f9471329804e2a869fab951f078098/FLAG3dfd43f74 [2025-04-29 10:57:25,059 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a9d80c60/e9f9471329804e2a869fab951f078098 [2025-04-29 10:57:25,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-29 10:57:25,062 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-29 10:57:25,063 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-29 10:57:25,063 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-29 10:57:25,069 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-29 10:57:25,070 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 10:57:25" (1/1) ... [2025-04-29 10:57:25,070 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6104fadd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:25, skipping insertion in model container [2025-04-29 10:57:25,070 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 10:57:25" (1/1) ... [2025-04-29 10:57:25,078 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-29 10:57:25,182 WARN L117 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/longjmp/68-longjmp_04-counting-local_unknown_1_pos.c[398,411] [2025-04-29 10:57:25,189 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-29 10:57:25,192 INFO L200 MainTranslator]: Completed pre-run [2025-04-29 10:57:25,207 WARN L117 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/longjmp/68-longjmp_04-counting-local_unknown_1_pos.c[398,411] [2025-04-29 10:57:25,209 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-29 10:57:25,218 INFO L204 MainTranslator]: Completed translation [2025-04-29 10:57:25,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:25 WrapperNode [2025-04-29 10:57:25,219 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-29 10:57:25,220 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-29 10:57:25,220 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-29 10:57:25,220 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-29 10:57:25,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:25" (1/1) ... [2025-04-29 10:57:25,227 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:25" (1/1) ... [2025-04-29 10:57:25,237 INFO L138 Inliner]: procedures = 7, calls = 4, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 18 [2025-04-29 10:57:25,237 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-29 10:57:25,237 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-29 10:57:25,238 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-29 10:57:25,238 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-29 10:57:25,243 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:25" (1/1) ... [2025-04-29 10:57:25,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:25" (1/1) ... [2025-04-29 10:57:25,244 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:25" (1/1) ... [2025-04-29 10:57:25,249 INFO L175 MemorySlicer]: No memory access in input program. [2025-04-29 10:57:25,249 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:25" (1/1) ... [2025-04-29 10:57:25,250 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:25" (1/1) ... [2025-04-29 10:57:25,251 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:25" (1/1) ... [2025-04-29 10:57:25,252 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:25" (1/1) ... [2025-04-29 10:57:25,254 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:25" (1/1) ... [2025-04-29 10:57:25,254 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:25" (1/1) ... [2025-04-29 10:57:25,255 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:25" (1/1) ... [2025-04-29 10:57:25,256 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-29 10:57:25,258 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-29 10:57:25,258 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-29 10:57:25,258 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-29 10:57:25,259 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:25" (1/1) ... [2025-04-29 10:57:25,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 10:57:25,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-29 10:57:25,282 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-29 10:57:25,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-29 10:57:25,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-29 10:57:25,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-29 10:57:25,331 INFO L234 CfgBuilder]: Building ICFG [2025-04-29 10:57:25,332 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-29 10:57:25,394 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2025-04-29 10:57:25,394 INFO L283 CfgBuilder]: Performing block encoding [2025-04-29 10:57:25,401 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-29 10:57:25,402 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-04-29 10:57:25,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 10:57:25 BoogieIcfgContainer [2025-04-29 10:57:25,402 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-29 10:57:25,404 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-29 10:57:25,404 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-29 10:57:25,407 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-29 10:57:25,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.04 10:57:25" (1/3) ... [2025-04-29 10:57:25,408 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2292e4d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 10:57:25, skipping insertion in model container [2025-04-29 10:57:25,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:25" (2/3) ... [2025-04-29 10:57:25,409 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2292e4d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 10:57:25, skipping insertion in model container [2025-04-29 10:57:25,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 10:57:25" (3/3) ... [2025-04-29 10:57:25,410 INFO L128 eAbstractionObserver]: Analyzing ICFG 68-longjmp_04-counting-local_unknown_1_pos.c [2025-04-29 10:57:25,419 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-29 10:57:25,420 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 68-longjmp_04-counting-local_unknown_1_pos.c that has 1 procedures, 13 locations, 15 edges, 1 initial locations, 1 loop locations, and 2 error locations. [2025-04-29 10:57:25,460 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-29 10:57:25,469 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54bab276, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-29 10:57:25,470 INFO L341 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-04-29 10:57:25,473 INFO L278 IsEmpty]: Start isEmpty. Operand has 13 states, 10 states have (on average 1.5) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-29 10:57:25,476 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-04-29 10:57:25,476 INFO L210 NwaCegarLoop]: Found error trace [2025-04-29 10:57:25,476 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-04-29 10:57:25,476 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2025-04-29 10:57:25,480 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 10:57:25,480 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2025-04-29 10:57:25,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 10:57:25,486 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395202837] [2025-04-29 10:57:25,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 10:57:25,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 10:57:25,522 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-29 10:57:25,529 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-29 10:57:25,529 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 10:57:25,529 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 10:57:25,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-29 10:57:25,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 10:57:25,583 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395202837] [2025-04-29 10:57:25,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395202837] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 10:57:25,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 10:57:25,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-29 10:57:25,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133671331] [2025-04-29 10:57:25,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 10:57:25,588 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 10:57:25,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 10:57:25,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 10:57:25,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 10:57:25,600 INFO L87 Difference]: Start difference. First operand has 13 states, 10 states have (on average 1.5) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-29 10:57:25,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-29 10:57:25,614 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2025-04-29 10:57:25,615 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 10:57:25,615 INFO L79 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-04-29 10:57:25,616 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-29 10:57:25,619 INFO L225 Difference]: With dead ends: 20 [2025-04-29 10:57:25,619 INFO L226 Difference]: Without dead ends: 7 [2025-04-29 10:57:25,620 INFO L436 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 [2025-04-29 10:57:25,622 INFO L437 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 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 [2025-04-29 10:57:25,622 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-04-29 10:57:25,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2025-04-29 10:57:25,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2025-04-29 10:57:25,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-29 10:57:25,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2025-04-29 10:57:25,637 INFO L79 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 4 [2025-04-29 10:57:25,638 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-29 10:57:25,638 INFO L485 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2025-04-29 10:57:25,638 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-29 10:57:25,638 INFO L278 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2025-04-29 10:57:25,638 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-04-29 10:57:25,638 INFO L210 NwaCegarLoop]: Found error trace [2025-04-29 10:57:25,638 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-04-29 10:57:25,638 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-29 10:57:25,638 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2025-04-29 10:57:25,639 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 10:57:25,639 INFO L85 PathProgramCache]: Analyzing trace with hash 889660649, now seen corresponding path program 1 times [2025-04-29 10:57:25,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 10:57:25,639 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627825985] [2025-04-29 10:57:25,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 10:57:25,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 10:57:25,643 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-29 10:57:25,647 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-29 10:57:25,647 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 10:57:25,647 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-29 10:57:25,648 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-29 10:57:25,649 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-29 10:57:25,656 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-29 10:57:25,657 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 10:57:25,657 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-29 10:57:25,666 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-29 10:57:25,667 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-04-29 10:57:25,667 INFO L790 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2025-04-29 10:57:25,668 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2025-04-29 10:57:25,669 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-29 10:57:25,670 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-04-29 10:57:25,689 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-29 10:57:25,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 10:57:25 BoogieIcfgContainer [2025-04-29 10:57:25,691 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-29 10:57:25,692 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-04-29 10:57:25,692 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-04-29 10:57:25,692 INFO L274 PluginConnector]: Witness Printer initialized [2025-04-29 10:57:25,692 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 10:57:25" (3/4) ... [2025-04-29 10:57:25,694 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-04-29 10:57:25,694 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-04-29 10:57:25,695 INFO L158 Benchmark]: Toolchain (without parser) took 632.78ms. Allocated memory is still 167.8MB. Free memory was 121.5MB in the beginning and 74.5MB in the end (delta: 47.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-04-29 10:57:25,695 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 201.3MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 10:57:25,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 156.24ms. Allocated memory is still 167.8MB. Free memory was 121.5MB in the beginning and 108.5MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-29 10:57:25,695 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.55ms. Allocated memory is still 167.8MB. Free memory was 108.5MB in the beginning and 107.1MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-29 10:57:25,696 INFO L158 Benchmark]: Boogie Preprocessor took 19.34ms. Allocated memory is still 167.8MB. Free memory was 107.1MB in the beginning and 105.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 10:57:25,696 INFO L158 Benchmark]: RCFGBuilder took 144.61ms. Allocated memory is still 167.8MB. Free memory was 105.7MB in the beginning and 96.4MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-29 10:57:25,696 INFO L158 Benchmark]: TraceAbstraction took 287.10ms. Allocated memory is still 167.8MB. Free memory was 95.4MB in the beginning and 75.0MB in the end (delta: 20.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-04-29 10:57:25,696 INFO L158 Benchmark]: Witness Printer took 2.54ms. Allocated memory is still 167.8MB. Free memory was 75.0MB in the beginning and 74.5MB in the end (delta: 450.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-29 10:57:25,697 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 201.3MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 156.24ms. Allocated memory is still 167.8MB. Free memory was 121.5MB in the beginning and 108.5MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 17.55ms. Allocated memory is still 167.8MB. Free memory was 108.5MB in the beginning and 107.1MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.34ms. Allocated memory is still 167.8MB. Free memory was 107.1MB in the beginning and 105.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 144.61ms. Allocated memory is still 167.8MB. Free memory was 105.7MB in the beginning and 96.4MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 287.10ms. Allocated memory is still 167.8MB. Free memory was 95.4MB in the beginning and 75.0MB in the end (delta: 20.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 2.54ms. Allocated memory is still 167.8MB. Free memory was 75.0MB in the beginning and 74.5MB in the end (delta: 450.1kB). Peak memory consumption was 8.4MB. 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: 18]: 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 18. Possible FailurePath: [L14] jmp_buf my_jump_buffer; VAL [my_jump_buffer={0:0}] [L23] volatile int count = 0; [L25] CALL __VERIFIER_assert(count == 0) [L10] COND FALSE !(!(cond)) VAL [my_jump_buffer={0:0}] [L25] RET __VERIFIER_assert(count == 0) [L26] COND TRUE count < 5 [L27] count++ [L28] CALL foo(count) [L18] longjmp(my_jump_buffer, 1) VAL [my_jump_buffer={0:0}] - UnprovableResult [Line: 10]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 15 edges, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 8 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-04-29 10:57:25,708 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/longjmp/68-longjmp_04-counting-local_unknown_1_pos.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7cc34de02f8b3d9dcdae280bdbfa24fcf2771215ae05893b1baae606e521bcec --- Real Ultimate output --- This is Ultimate 0.3.0-wip.fs.system-includes-da04345-m [2025-04-29 10:57:27,535 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-29 10:57:27,615 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2025-04-29 10:57:27,621 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-29 10:57:27,621 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-29 10:57:27,644 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-29 10:57:27,646 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-29 10:57:27,646 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-29 10:57:27,646 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-04-29 10:57:27,646 INFO L153 SettingsManager]: * Use memory slicer=true [2025-04-29 10:57:27,646 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-29 10:57:27,646 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-29 10:57:27,647 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-29 10:57:27,647 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-29 10:57:27,647 INFO L153 SettingsManager]: * Use SBE=true [2025-04-29 10:57:27,647 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-29 10:57:27,647 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-29 10:57:27,647 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-29 10:57:27,647 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-29 10:57:27,647 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-29 10:57:27,647 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-29 10:57:27,647 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-04-29 10:57:27,647 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-04-29 10:57:27,647 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-04-29 10:57:27,647 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-29 10:57:27,647 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-29 10:57:27,647 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-29 10:57:27,647 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-29 10:57:27,648 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-29 10:57:27,648 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-29 10:57:27,648 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-29 10:57:27,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 10:57:27,648 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-29 10:57:27,648 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-29 10:57:27,648 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-29 10:57:27,648 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-29 10:57:27,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 10:57:27,648 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-29 10:57:27,648 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-29 10:57:27,648 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-29 10:57:27,648 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-29 10:57:27,648 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-04-29 10:57:27,648 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-04-29 10:57:27,648 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-29 10:57:27,648 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-29 10:57:27,648 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-29 10:57:27,648 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 -> 7cc34de02f8b3d9dcdae280bdbfa24fcf2771215ae05893b1baae606e521bcec [2025-04-29 10:57:27,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-29 10:57:27,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-29 10:57:27,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-29 10:57:27,894 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-29 10:57:27,894 INFO L274 PluginConnector]: CDTParser initialized [2025-04-29 10:57:27,895 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/longjmp/68-longjmp_04-counting-local_unknown_1_pos.c [2025-04-29 10:57:29,188 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee70989e9/77ece048fd18461a88495922db9dfd01/FLAGd331bc7e5 [2025-04-29 10:57:29,333 INFO L389 CDTParser]: Found 1 translation units. [2025-04-29 10:57:29,334 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/longjmp/68-longjmp_04-counting-local_unknown_1_pos.c [2025-04-29 10:57:29,335 WARN L117 ultiparseSymbolTable]: System include assert.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 10:57:29,335 WARN L117 ultiparseSymbolTable]: System include setjmp.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 10:57:29,339 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee70989e9/77ece048fd18461a88495922db9dfd01/FLAGd331bc7e5 [2025-04-29 10:57:30,238 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee70989e9/77ece048fd18461a88495922db9dfd01 [2025-04-29 10:57:30,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-29 10:57:30,241 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-29 10:57:30,242 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-29 10:57:30,242 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-29 10:57:30,246 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-29 10:57:30,246 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 10:57:30" (1/1) ... [2025-04-29 10:57:30,248 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@651aeb3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:30, skipping insertion in model container [2025-04-29 10:57:30,248 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 10:57:30" (1/1) ... [2025-04-29 10:57:30,257 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-29 10:57:30,377 WARN L117 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/longjmp/68-longjmp_04-counting-local_unknown_1_pos.c[398,411] [2025-04-29 10:57:30,388 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-29 10:57:30,391 INFO L200 MainTranslator]: Completed pre-run [2025-04-29 10:57:30,406 WARN L117 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/longjmp/68-longjmp_04-counting-local_unknown_1_pos.c[398,411] [2025-04-29 10:57:30,408 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-29 10:57:30,417 INFO L204 MainTranslator]: Completed translation [2025-04-29 10:57:30,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:30 WrapperNode [2025-04-29 10:57:30,418 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-29 10:57:30,419 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-29 10:57:30,419 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-29 10:57:30,419 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-29 10:57:30,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:30" (1/1) ... [2025-04-29 10:57:30,429 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:30" (1/1) ... [2025-04-29 10:57:30,442 INFO L138 Inliner]: procedures = 7, calls = 4, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 18 [2025-04-29 10:57:30,443 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-29 10:57:30,444 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-29 10:57:30,444 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-29 10:57:30,444 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-29 10:57:30,450 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:30" (1/1) ... [2025-04-29 10:57:30,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:30" (1/1) ... [2025-04-29 10:57:30,451 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:30" (1/1) ... [2025-04-29 10:57:30,456 INFO L175 MemorySlicer]: No memory access in input program. [2025-04-29 10:57:30,457 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:30" (1/1) ... [2025-04-29 10:57:30,457 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:30" (1/1) ... [2025-04-29 10:57:30,459 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:30" (1/1) ... [2025-04-29 10:57:30,461 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:30" (1/1) ... [2025-04-29 10:57:30,463 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:30" (1/1) ... [2025-04-29 10:57:30,467 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:30" (1/1) ... [2025-04-29 10:57:30,468 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:30" (1/1) ... [2025-04-29 10:57:30,470 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-29 10:57:30,470 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-29 10:57:30,470 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-29 10:57:30,470 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-29 10:57:30,471 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:30" (1/1) ... [2025-04-29 10:57:30,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 10:57:30,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-29 10:57:30,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-29 10:57:30,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-29 10:57:30,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-29 10:57:30,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-29 10:57:30,568 INFO L234 CfgBuilder]: Building ICFG [2025-04-29 10:57:30,570 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-29 10:57:30,650 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2025-04-29 10:57:30,651 INFO L283 CfgBuilder]: Performing block encoding [2025-04-29 10:57:30,658 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-29 10:57:30,658 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-04-29 10:57:30,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 10:57:30 BoogieIcfgContainer [2025-04-29 10:57:30,659 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-29 10:57:30,660 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-29 10:57:30,661 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-29 10:57:30,664 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-29 10:57:30,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.04 10:57:30" (1/3) ... [2025-04-29 10:57:30,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@708b2e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 10:57:30, skipping insertion in model container [2025-04-29 10:57:30,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:30" (2/3) ... [2025-04-29 10:57:30,667 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@708b2e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 10:57:30, skipping insertion in model container [2025-04-29 10:57:30,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 10:57:30" (3/3) ... [2025-04-29 10:57:30,668 INFO L128 eAbstractionObserver]: Analyzing ICFG 68-longjmp_04-counting-local_unknown_1_pos.c [2025-04-29 10:57:30,678 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-29 10:57:30,681 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 68-longjmp_04-counting-local_unknown_1_pos.c that has 1 procedures, 13 locations, 15 edges, 1 initial locations, 1 loop locations, and 2 error locations. [2025-04-29 10:57:30,719 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-29 10:57:30,729 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5d0dacf3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-29 10:57:30,729 INFO L341 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-04-29 10:57:30,732 INFO L278 IsEmpty]: Start isEmpty. Operand has 13 states, 10 states have (on average 1.5) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-29 10:57:30,735 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-04-29 10:57:30,735 INFO L210 NwaCegarLoop]: Found error trace [2025-04-29 10:57:30,735 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-04-29 10:57:30,736 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2025-04-29 10:57:30,740 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 10:57:30,740 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2025-04-29 10:57:30,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-04-29 10:57:30,747 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1614281179] [2025-04-29 10:57:30,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 10:57:30,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-29 10:57:30,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-29 10:57:30,750 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-29 10:57:30,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-04-29 10:57:30,790 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-29 10:57:30,793 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-29 10:57:30,793 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 10:57:30,793 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 10:57:30,795 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-29 10:57:30,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-29 10:57:30,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-29 10:57:30,852 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-29 10:57:30,852 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-04-29 10:57:30,853 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614281179] [2025-04-29 10:57:30,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614281179] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 10:57:30,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 10:57:30,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-29 10:57:30,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618917498] [2025-04-29 10:57:30,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 10:57:30,857 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 10:57:30,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-04-29 10:57:30,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 10:57:30,870 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 10:57:30,872 INFO L87 Difference]: Start difference. First operand has 13 states, 10 states have (on average 1.5) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-29 10:57:30,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-29 10:57:30,892 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2025-04-29 10:57:30,893 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 10:57:30,894 INFO L79 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-04-29 10:57:30,894 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-29 10:57:30,898 INFO L225 Difference]: With dead ends: 20 [2025-04-29 10:57:30,898 INFO L226 Difference]: Without dead ends: 7 [2025-04-29 10:57:30,900 INFO L436 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 [2025-04-29 10:57:30,901 INFO L437 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 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 [2025-04-29 10:57:30,903 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-04-29 10:57:30,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2025-04-29 10:57:30,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2025-04-29 10:57:30,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-29 10:57:30,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2025-04-29 10:57:30,924 INFO L79 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 4 [2025-04-29 10:57:30,925 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-29 10:57:30,925 INFO L485 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2025-04-29 10:57:30,925 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-29 10:57:30,925 INFO L278 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2025-04-29 10:57:30,925 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-04-29 10:57:30,925 INFO L210 NwaCegarLoop]: Found error trace [2025-04-29 10:57:30,926 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-04-29 10:57:30,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-04-29 10:57:31,130 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-29 10:57:31,130 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2025-04-29 10:57:31,131 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 10:57:31,131 INFO L85 PathProgramCache]: Analyzing trace with hash 889660649, now seen corresponding path program 1 times [2025-04-29 10:57:31,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-04-29 10:57:31,131 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1490657198] [2025-04-29 10:57:31,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 10:57:31,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-29 10:57:31,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-29 10:57:31,133 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-29 10:57:31,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-29 10:57:31,155 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-29 10:57:31,158 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-29 10:57:31,158 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 10:57:31,158 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-29 10:57:31,158 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-29 10:57:31,162 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-29 10:57:31,166 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-29 10:57:31,166 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 10:57:31,166 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-29 10:57:31,177 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-04-29 10:57:31,178 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-04-29 10:57:31,180 INFO L790 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2025-04-29 10:57:31,183 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2025-04-29 10:57:31,189 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-04-29 10:57:31,384 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-29 10:57:31,387 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-04-29 10:57:31,410 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-29 10:57:31,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 10:57:31 BoogieIcfgContainer [2025-04-29 10:57:31,414 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-29 10:57:31,415 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-04-29 10:57:31,415 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-04-29 10:57:31,415 INFO L274 PluginConnector]: Witness Printer initialized [2025-04-29 10:57:31,416 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 10:57:30" (3/4) ... [2025-04-29 10:57:31,418 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-04-29 10:57:31,419 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-04-29 10:57:31,420 INFO L158 Benchmark]: Toolchain (without parser) took 1178.13ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 46.1MB in the end (delta: 46.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-04-29 10:57:31,420 INFO L158 Benchmark]: CDTParser took 0.99ms. Allocated memory is still 83.9MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 10:57:31,421 INFO L158 Benchmark]: CACSL2BoogieTranslator took 176.20ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 79.1MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-29 10:57:31,422 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.39ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.8MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-29 10:57:31,422 INFO L158 Benchmark]: Boogie Preprocessor took 26.37ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 76.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 10:57:31,422 INFO L158 Benchmark]: RCFGBuilder took 188.48ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 67.5MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-29 10:57:31,422 INFO L158 Benchmark]: TraceAbstraction took 753.11ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 46.3MB in the end (delta: 20.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-04-29 10:57:31,422 INFO L158 Benchmark]: Witness Printer took 3.97ms. Allocated memory is still 117.4MB. Free memory was 46.3MB in the beginning and 46.1MB in the end (delta: 224.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 10:57:31,423 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.99ms. Allocated memory is still 83.9MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 176.20ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 79.1MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.39ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.8MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.37ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 76.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 188.48ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 67.5MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 753.11ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 46.3MB in the end (delta: 20.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.97ms. Allocated memory is still 117.4MB. Free memory was 46.3MB in the beginning and 46.1MB in the end (delta: 224.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 18]: 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 18. Possible FailurePath: [L14] jmp_buf my_jump_buffer; VAL [my_jump_buffer={0:0}] [L23] volatile int count = 0; [L25] CALL __VERIFIER_assert(count == 0) [L10] COND FALSE !(!(cond)) VAL [my_jump_buffer={0:0}] [L25] RET __VERIFIER_assert(count == 0) [L26] COND TRUE count < 5 [L27] count++ [L28] CALL foo(count) [L18] longjmp(my_jump_buffer, 1) VAL [my_jump_buffer={0:0}] - UnprovableResult [Line: 10]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 15 edges, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 8 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 1 NumberOfNonLiveVariables, 9 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-04-29 10:57:31,438 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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample