./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/longjmp/68-longjmp_15-counting-global-one-method_true.i --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_15-counting-global-one-method_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 210d4f938afcda48b8c106ef1e9bcf62be45f3ff0e64b22256fac269747775c2 --- Real Ultimate output --- This is Ultimate 0.3.0-wip.fs.system-includes-da04345-m [2025-04-30 10:15:33,024 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-30 10:15:33,067 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-04-30 10:15:33,070 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-30 10:15:33,070 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-30 10:15:33,085 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-30 10:15:33,086 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-30 10:15:33,086 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-30 10:15:33,086 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-04-30 10:15:33,086 INFO L153 SettingsManager]: * Use memory slicer=true [2025-04-30 10:15:33,086 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-30 10:15:33,086 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-30 10:15:33,086 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-30 10:15:33,087 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-30 10:15:33,087 INFO L153 SettingsManager]: * Use SBE=true [2025-04-30 10:15:33,087 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-30 10:15:33,087 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-30 10:15:33,087 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-30 10:15:33,087 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-30 10:15:33,087 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-30 10:15:33,087 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-30 10:15:33,087 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-30 10:15:33,087 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-30 10:15:33,087 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-30 10:15:33,087 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-30 10:15:33,087 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-30 10:15:33,087 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-30 10:15:33,087 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-30 10:15:33,087 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-30 10:15:33,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-30 10:15:33,087 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-30 10:15:33,087 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-30 10:15:33,087 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-30 10:15:33,088 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-30 10:15:33,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-30 10:15:33,088 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-30 10:15:33,088 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-30 10:15:33,088 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-30 10:15:33,088 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-30 10:15:33,088 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-30 10:15:33,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-30 10:15:33,088 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-30 10:15:33,088 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-30 10:15:33,088 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-30 10:15:33,088 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 -> 210d4f938afcda48b8c106ef1e9bcf62be45f3ff0e64b22256fac269747775c2 [2025-04-30 10:15:33,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-30 10:15:33,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-30 10:15:33,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-30 10:15:33,315 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-30 10:15:33,315 INFO L274 PluginConnector]: CDTParser initialized [2025-04-30 10:15:33,316 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/longjmp/68-longjmp_15-counting-global-one-method_true.i [2025-04-30 10:15:34,744 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3294e167d/578722f496d14bfb823d103dbf3181c1/FLAGdfb5ea3bd [2025-04-30 10:15:35,033 INFO L389 CDTParser]: Found 1 translation units. [2025-04-30 10:15:35,034 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/longjmp/68-longjmp_15-counting-global-one-method_true.i [2025-04-30 10:15:35,041 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3294e167d/578722f496d14bfb823d103dbf3181c1/FLAGdfb5ea3bd [2025-04-30 10:15:35,795 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3294e167d/578722f496d14bfb823d103dbf3181c1 [2025-04-30 10:15:35,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-30 10:15:35,799 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-30 10:15:35,800 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-30 10:15:35,800 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-30 10:15:35,807 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-30 10:15:35,807 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.04 10:15:35" (1/1) ... [2025-04-30 10:15:35,808 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d27c3ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:35, skipping insertion in model container [2025-04-30 10:15:35,808 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.04 10:15:35" (1/1) ... [2025-04-30 10:15:35,824 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-30 10:15:35,993 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_15-counting-global-one-method_true.i[1100,1113] [2025-04-30 10:15:36,014 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-30 10:15:36,028 INFO L200 MainTranslator]: Completed pre-run [2025-04-30 10:15:36,051 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_15-counting-global-one-method_true.i[1100,1113] [2025-04-30 10:15:36,056 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-30 10:15:36,073 INFO L204 MainTranslator]: Completed translation [2025-04-30 10:15:36,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:36 WrapperNode [2025-04-30 10:15:36,075 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-30 10:15:36,076 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-30 10:15:36,076 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-30 10:15:36,076 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-30 10:15:36,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:36" (1/1) ... [2025-04-30 10:15:36,088 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:36" (1/1) ... [2025-04-30 10:15:36,103 INFO L138 Inliner]: procedures = 20, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2025-04-30 10:15:36,103 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-30 10:15:36,104 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-30 10:15:36,104 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-30 10:15:36,104 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-30 10:15:36,110 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:36" (1/1) ... [2025-04-30 10:15:36,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:36" (1/1) ... [2025-04-30 10:15:36,112 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:36" (1/1) ... [2025-04-30 10:15:36,125 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]. [2025-04-30 10:15:36,127 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:36" (1/1) ... [2025-04-30 10:15:36,127 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:36" (1/1) ... [2025-04-30 10:15:36,132 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:36" (1/1) ... [2025-04-30 10:15:36,136 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:36" (1/1) ... [2025-04-30 10:15:36,138 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:36" (1/1) ... [2025-04-30 10:15:36,141 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:36" (1/1) ... [2025-04-30 10:15:36,142 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:36" (1/1) ... [2025-04-30 10:15:36,144 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-30 10:15:36,146 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-30 10:15:36,147 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-30 10:15:36,147 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-30 10:15:36,148 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:36" (1/1) ... [2025-04-30 10:15:36,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-30 10:15:36,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-30 10:15:36,171 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) [2025-04-30 10:15:36,176 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 [2025-04-30 10:15:36,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-30 10:15:36,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-04-30 10:15:36,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-30 10:15:36,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-30 10:15:36,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-04-30 10:15:36,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-04-30 10:15:36,227 INFO L234 CfgBuilder]: Building ICFG [2025-04-30 10:15:36,228 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-30 10:15:36,325 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2025-04-30 10:15:36,325 INFO L283 CfgBuilder]: Performing block encoding [2025-04-30 10:15:36,331 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-30 10:15:36,331 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-04-30 10:15:36,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 10:15:36 BoogieIcfgContainer [2025-04-30 10:15:36,332 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-30 10:15:36,334 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-30 10:15:36,335 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-30 10:15:36,338 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-30 10:15:36,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.04 10:15:35" (1/3) ... [2025-04-30 10:15:36,338 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d2d0f7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.04 10:15:36, skipping insertion in model container [2025-04-30 10:15:36,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:36" (2/3) ... [2025-04-30 10:15:36,338 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d2d0f7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.04 10:15:36, skipping insertion in model container [2025-04-30 10:15:36,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 10:15:36" (3/3) ... [2025-04-30 10:15:36,339 INFO L128 eAbstractionObserver]: Analyzing ICFG 68-longjmp_15-counting-global-one-method_true.i [2025-04-30 10:15:36,349 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-30 10:15:36,350 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 68-longjmp_15-counting-global-one-method_true.i that has 2 procedures, 17 locations, 22 edges, 1 initial locations, 1 loop locations, and 2 error locations. [2025-04-30 10:15:36,387 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-30 10:15:36,399 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;@3c9ac0c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-30 10:15:36,400 INFO L341 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-04-30 10:15:36,405 INFO L278 IsEmpty]: Start isEmpty. Operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 13 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) [2025-04-30 10:15:36,410 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-04-30 10:15:36,411 INFO L210 NwaCegarLoop]: Found error trace [2025-04-30 10:15:36,411 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:15:36,411 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-30 10:15:36,416 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:15:36,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1815909602, now seen corresponding path program 1 times [2025-04-30 10:15:36,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:15:36,424 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122460822] [2025-04-30 10:15:36,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:15:36,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:15:36,506 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-30 10:15:36,531 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-30 10:15:36,532 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:15:36,532 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:15:36,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:15:36,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:15:36,637 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122460822] [2025-04-30 10:15:36,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122460822] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:15:36,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:15:36,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-30 10:15:36,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990533819] [2025-04-30 10:15:36,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:15:36,642 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-30 10:15:36,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:15:36,656 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-30 10:15:36,656 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-30 10:15:36,657 INFO L87 Difference]: Start difference. First operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 13 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 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-30 10:15:36,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-30 10:15:36,683 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2025-04-30 10:15:36,684 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-30 10:15:36,685 INFO L79 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-04-30 10:15:36,685 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-30 10:15:36,688 INFO L225 Difference]: With dead ends: 26 [2025-04-30 10:15:36,688 INFO L226 Difference]: Without dead ends: 13 [2025-04-30 10:15:36,694 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 [2025-04-30 10:15:36,698 INFO L437 NwaCegarLoop]: 9 mSDtfsCounter, 8 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-04-30 10:15:36,698 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 10 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-04-30 10:15:36,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2025-04-30 10:15:36,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2025-04-30 10:15:36,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 10 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-04-30 10:15:36,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2025-04-30 10:15:36,722 INFO L79 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 7 [2025-04-30 10:15:36,722 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-30 10:15:36,722 INFO L485 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2025-04-30 10:15:36,723 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-30 10:15:36,723 INFO L278 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2025-04-30 10:15:36,723 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-04-30 10:15:36,724 INFO L210 NwaCegarLoop]: Found error trace [2025-04-30 10:15:36,724 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:15:36,724 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-30 10:15:36,724 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-30 10:15:36,726 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:15:36,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1805691289, now seen corresponding path program 1 times [2025-04-30 10:15:36,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:15:36,726 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396349684] [2025-04-30 10:15:36,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:15:36,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:15:36,747 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-30 10:15:36,768 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-30 10:15:36,771 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:15:36,771 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:15:36,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:15:36,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:15:36,907 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396349684] [2025-04-30 10:15:36,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396349684] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:15:36,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:15:36,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-30 10:15:36,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622612475] [2025-04-30 10:15:36,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:15:36,908 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-30 10:15:36,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:15:36,908 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-30 10:15:36,909 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-04-30 10:15:36,909 INFO L87 Difference]: Start difference. First operand 13 states and 12 transitions. Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-30 10:15:36,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-30 10:15:36,958 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2025-04-30 10:15:36,958 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-30 10:15:36,958 INFO L79 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-04-30 10:15:36,958 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-30 10:15:36,959 INFO L225 Difference]: With dead ends: 13 [2025-04-30 10:15:36,959 INFO L226 Difference]: Without dead ends: 11 [2025-04-30 10:15:36,959 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-04-30 10:15:36,959 INFO L437 NwaCegarLoop]: 5 mSDtfsCounter, 7 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-04-30 10:15:36,960 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 13 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-04-30 10:15:36,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2025-04-30 10:15:36,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2025-04-30 10:15:36,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.0) internal successors, (8), 8 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-04-30 10:15:36,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 10 transitions. [2025-04-30 10:15:36,965 INFO L79 Accepts]: Start accepts. Automaton has 11 states and 10 transitions. Word has length 7 [2025-04-30 10:15:36,965 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-30 10:15:36,965 INFO L485 AbstractCegarLoop]: Abstraction has 11 states and 10 transitions. [2025-04-30 10:15:36,965 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-30 10:15:36,965 INFO L278 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2025-04-30 10:15:36,966 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-04-30 10:15:36,966 INFO L210 NwaCegarLoop]: Found error trace [2025-04-30 10:15:36,966 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:15:36,966 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-30 10:15:36,966 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-30 10:15:36,967 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:15:36,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1111392339, now seen corresponding path program 1 times [2025-04-30 10:15:36,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:15:36,968 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209399356] [2025-04-30 10:15:36,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:15:36,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:15:36,987 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-04-30 10:15:36,997 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-04-30 10:15:37,000 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:15:37,001 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-30 10:15:37,001 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-30 10:15:37,003 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-04-30 10:15:37,009 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-04-30 10:15:37,010 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:15:37,010 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-30 10:15:37,027 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-30 10:15:37,027 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-04-30 10:15:37,028 INFO L790 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2025-04-30 10:15:37,030 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2025-04-30 10:15:37,030 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-30 10:15:37,032 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-04-30 10:15:37,061 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-30 10:15:37,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.04 10:15:37 BoogieIcfgContainer [2025-04-30 10:15:37,064 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-30 10:15:37,065 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-04-30 10:15:37,065 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-04-30 10:15:37,065 INFO L274 PluginConnector]: Witness Printer initialized [2025-04-30 10:15:37,066 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 10:15:36" (3/4) ... [2025-04-30 10:15:37,068 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-04-30 10:15:37,068 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-04-30 10:15:37,069 INFO L158 Benchmark]: Toolchain (without parser) took 1270.08ms. Allocated memory is still 167.8MB. Free memory was 123.1MB in the beginning and 44.1MB in the end (delta: 79.0MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2025-04-30 10:15:37,069 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 115.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:15:37,069 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.54ms. Allocated memory is still 167.8MB. Free memory was 123.1MB in the beginning and 109.3MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-04-30 10:15:37,069 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.97ms. Allocated memory is still 167.8MB. Free memory was 109.3MB in the beginning and 107.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:15:37,070 INFO L158 Benchmark]: Boogie Preprocessor took 41.70ms. Allocated memory is still 167.8MB. Free memory was 107.5MB in the beginning and 106.5MB in the end (delta: 933.4kB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:15:37,070 INFO L158 Benchmark]: RCFGBuilder took 185.19ms. Allocated memory is still 167.8MB. Free memory was 105.6MB in the beginning and 94.9MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-30 10:15:37,070 INFO L158 Benchmark]: TraceAbstraction took 730.25ms. Allocated memory is still 167.8MB. Free memory was 94.4MB in the beginning and 44.1MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-04-30 10:15:37,070 INFO L158 Benchmark]: Witness Printer took 3.18ms. Allocated memory is still 167.8MB. Free memory is still 44.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:15:37,071 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 115.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.54ms. Allocated memory is still 167.8MB. Free memory was 123.1MB in the beginning and 109.3MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.97ms. Allocated memory is still 167.8MB. Free memory was 109.3MB in the beginning and 107.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.70ms. Allocated memory is still 167.8MB. Free memory was 107.5MB in the beginning and 106.5MB in the end (delta: 933.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 185.19ms. Allocated memory is still 167.8MB. Free memory was 105.6MB in the beginning and 94.9MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 730.25ms. Allocated memory is still 167.8MB. Free memory was 94.4MB in the beginning and 44.1MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 3.18ms. Allocated memory is still 167.8MB. Free memory is still 44.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 52]: 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 52. Possible FailurePath: [L44] jmp_buf my_jump_buffer; [L45] int count = 0; VAL [count=0] [L49] COND TRUE count < 5 VAL [count=0] [L50] CALL __VERIFIER_assert(count >= 0 && count < 5) VAL [\at(cond, Pre)=1, count=0] [L19] COND FALSE !(!(cond)) VAL [\at(cond, Pre)=1, count=0] [L50] RET __VERIFIER_assert(count >= 0 && count < 5) VAL [count=0] [L51] count++ VAL [count=1] [L52] 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: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 14 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 [2025-04-30 10:15:37,091 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 ../../../trunk/examples/svcomp/longjmp/68-longjmp_15-counting-global-one-method_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 210d4f938afcda48b8c106ef1e9bcf62be45f3ff0e64b22256fac269747775c2 --- Real Ultimate output --- This is Ultimate 0.3.0-wip.fs.system-includes-da04345-m [2025-04-30 10:15:38,999 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-30 10:15:39,065 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2025-04-30 10:15:39,069 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-30 10:15:39,072 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-30 10:15:39,096 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-30 10:15:39,097 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-30 10:15:39,097 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-30 10:15:39,097 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-04-30 10:15:39,097 INFO L153 SettingsManager]: * Use memory slicer=true [2025-04-30 10:15:39,097 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-30 10:15:39,097 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-30 10:15:39,097 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-30 10:15:39,098 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-30 10:15:39,098 INFO L153 SettingsManager]: * Use SBE=true [2025-04-30 10:15:39,099 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-30 10:15:39,099 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-30 10:15:39,099 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-30 10:15:39,099 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-30 10:15:39,099 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-30 10:15:39,099 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-30 10:15:39,099 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-04-30 10:15:39,099 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-04-30 10:15:39,099 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-04-30 10:15:39,099 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-30 10:15:39,100 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-30 10:15:39,100 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-30 10:15:39,100 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-30 10:15:39,100 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-30 10:15:39,100 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-30 10:15:39,100 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-30 10:15:39,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-30 10:15:39,100 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-30 10:15:39,101 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-30 10:15:39,101 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-30 10:15:39,101 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-30 10:15:39,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-30 10:15:39,101 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-30 10:15:39,101 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-30 10:15:39,101 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-30 10:15:39,101 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-30 10:15:39,101 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-04-30 10:15:39,101 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-04-30 10:15:39,101 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-30 10:15:39,102 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-30 10:15:39,102 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-30 10:15:39,102 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 -> 210d4f938afcda48b8c106ef1e9bcf62be45f3ff0e64b22256fac269747775c2 [2025-04-30 10:15:39,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-30 10:15:39,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-30 10:15:39,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-30 10:15:39,353 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-30 10:15:39,353 INFO L274 PluginConnector]: CDTParser initialized [2025-04-30 10:15:39,356 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/longjmp/68-longjmp_15-counting-global-one-method_true.i [2025-04-30 10:15:40,732 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c808cae25/0edceb21465c4462a13e59d3395780db/FLAG636e06bba [2025-04-30 10:15:40,917 INFO L389 CDTParser]: Found 1 translation units. [2025-04-30 10:15:40,918 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/longjmp/68-longjmp_15-counting-global-one-method_true.i [2025-04-30 10:15:40,925 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c808cae25/0edceb21465c4462a13e59d3395780db/FLAG636e06bba [2025-04-30 10:15:41,782 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c808cae25/0edceb21465c4462a13e59d3395780db [2025-04-30 10:15:41,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-30 10:15:41,785 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-30 10:15:41,786 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-30 10:15:41,786 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-30 10:15:41,790 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-30 10:15:41,790 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.04 10:15:41" (1/1) ... [2025-04-30 10:15:41,791 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6247cccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:41, skipping insertion in model container [2025-04-30 10:15:41,792 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.04 10:15:41" (1/1) ... [2025-04-30 10:15:41,802 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-30 10:15:41,952 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_15-counting-global-one-method_true.i[1100,1113] [2025-04-30 10:15:41,970 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-30 10:15:41,992 INFO L200 MainTranslator]: Completed pre-run [2025-04-30 10:15:42,016 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_15-counting-global-one-method_true.i[1100,1113] [2025-04-30 10:15:42,030 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-30 10:15:42,049 INFO L204 MainTranslator]: Completed translation [2025-04-30 10:15:42,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:42 WrapperNode [2025-04-30 10:15:42,050 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-30 10:15:42,051 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-30 10:15:42,052 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-30 10:15:42,053 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-30 10:15:42,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:42" (1/1) ... [2025-04-30 10:15:42,071 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:42" (1/1) ... [2025-04-30 10:15:42,094 INFO L138 Inliner]: procedures = 20, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2025-04-30 10:15:42,095 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-30 10:15:42,096 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-30 10:15:42,097 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-30 10:15:42,097 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-30 10:15:42,103 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:42" (1/1) ... [2025-04-30 10:15:42,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:42" (1/1) ... [2025-04-30 10:15:42,106 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:42" (1/1) ... [2025-04-30 10:15:42,127 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]. [2025-04-30 10:15:42,128 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:42" (1/1) ... [2025-04-30 10:15:42,128 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:42" (1/1) ... [2025-04-30 10:15:42,135 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:42" (1/1) ... [2025-04-30 10:15:42,136 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:42" (1/1) ... [2025-04-30 10:15:42,142 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:42" (1/1) ... [2025-04-30 10:15:42,144 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:42" (1/1) ... [2025-04-30 10:15:42,145 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:42" (1/1) ... [2025-04-30 10:15:42,149 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-30 10:15:42,150 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-30 10:15:42,150 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-30 10:15:42,150 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-30 10:15:42,151 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:42" (1/1) ... [2025-04-30 10:15:42,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-30 10:15:42,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-30 10:15:42,190 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) [2025-04-30 10:15:42,193 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 [2025-04-30 10:15:42,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-30 10:15:42,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-04-30 10:15:42,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-30 10:15:42,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-30 10:15:42,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-04-30 10:15:42,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-04-30 10:15:42,270 INFO L234 CfgBuilder]: Building ICFG [2025-04-30 10:15:42,271 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-30 10:15:42,389 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2025-04-30 10:15:42,390 INFO L283 CfgBuilder]: Performing block encoding [2025-04-30 10:15:42,396 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-30 10:15:42,396 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-04-30 10:15:42,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 10:15:42 BoogieIcfgContainer [2025-04-30 10:15:42,396 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-30 10:15:42,398 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-30 10:15:42,398 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-30 10:15:42,401 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-30 10:15:42,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.04 10:15:41" (1/3) ... [2025-04-30 10:15:42,402 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64ad95a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.04 10:15:42, skipping insertion in model container [2025-04-30 10:15:42,402 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:42" (2/3) ... [2025-04-30 10:15:42,402 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64ad95a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.04 10:15:42, skipping insertion in model container [2025-04-30 10:15:42,402 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 10:15:42" (3/3) ... [2025-04-30 10:15:42,403 INFO L128 eAbstractionObserver]: Analyzing ICFG 68-longjmp_15-counting-global-one-method_true.i [2025-04-30 10:15:42,416 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-30 10:15:42,417 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 68-longjmp_15-counting-global-one-method_true.i that has 2 procedures, 17 locations, 22 edges, 1 initial locations, 1 loop locations, and 2 error locations. [2025-04-30 10:15:42,456 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-30 10:15:42,463 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;@721a4a3f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-30 10:15:42,463 INFO L341 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-04-30 10:15:42,467 INFO L278 IsEmpty]: Start isEmpty. Operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 13 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) [2025-04-30 10:15:42,470 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-04-30 10:15:42,470 INFO L210 NwaCegarLoop]: Found error trace [2025-04-30 10:15:42,471 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:15:42,471 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-30 10:15:42,475 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:15:42,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1815909602, now seen corresponding path program 1 times [2025-04-30 10:15:42,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-04-30 10:15:42,483 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [416984112] [2025-04-30 10:15:42,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:15:42,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-30 10:15:42,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-30 10:15:42,487 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) [2025-04-30 10:15:42,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-04-30 10:15:42,571 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-30 10:15:42,591 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-30 10:15:42,592 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:15:42,592 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:15:42,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-30 10:15:42,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-30 10:15:42,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:15:42,631 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-30 10:15:42,631 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-04-30 10:15:42,632 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416984112] [2025-04-30 10:15:42,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416984112] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:15:42,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:15:42,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-30 10:15:42,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469546205] [2025-04-30 10:15:42,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:15:42,641 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-30 10:15:42,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-04-30 10:15:42,654 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-30 10:15:42,654 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-30 10:15:42,656 INFO L87 Difference]: Start difference. First operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 13 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 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-30 10:15:42,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-30 10:15:42,680 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2025-04-30 10:15:42,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-30 10:15:42,682 INFO L79 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-04-30 10:15:42,682 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-30 10:15:42,685 INFO L225 Difference]: With dead ends: 26 [2025-04-30 10:15:42,685 INFO L226 Difference]: Without dead ends: 13 [2025-04-30 10:15:42,687 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-30 10:15:42,691 INFO L437 NwaCegarLoop]: 9 mSDtfsCounter, 8 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-04-30 10:15:42,691 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 10 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-04-30 10:15:42,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2025-04-30 10:15:42,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2025-04-30 10:15:42,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 10 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-04-30 10:15:42,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2025-04-30 10:15:42,713 INFO L79 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 7 [2025-04-30 10:15:42,713 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-30 10:15:42,713 INFO L485 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2025-04-30 10:15:42,713 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-30 10:15:42,713 INFO L278 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2025-04-30 10:15:42,713 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-04-30 10:15:42,714 INFO L210 NwaCegarLoop]: Found error trace [2025-04-30 10:15:42,714 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:15:42,721 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-04-30 10:15:42,914 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 [2025-04-30 10:15:42,914 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-30 10:15:42,915 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:15:42,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1805691289, now seen corresponding path program 1 times [2025-04-30 10:15:42,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-04-30 10:15:42,915 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1016097204] [2025-04-30 10:15:42,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:15:42,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-30 10:15:42,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-30 10:15:42,919 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) [2025-04-30 10:15:42,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-30 10:15:42,966 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-30 10:15:42,979 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-30 10:15:42,979 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:15:42,979 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:15:42,981 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-04-30 10:15:42,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-30 10:15:43,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:15:43,022 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-30 10:15:43,022 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-04-30 10:15:43,023 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1016097204] [2025-04-30 10:15:43,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1016097204] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:15:43,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:15:43,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-30 10:15:43,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103480782] [2025-04-30 10:15:43,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:15:43,025 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-30 10:15:43,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-04-30 10:15:43,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-30 10:15:43,026 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-04-30 10:15:43,026 INFO L87 Difference]: Start difference. First operand 13 states and 12 transitions. Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-30 10:15:43,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-30 10:15:43,072 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2025-04-30 10:15:43,072 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-30 10:15:43,073 INFO L79 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-04-30 10:15:43,073 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-30 10:15:43,073 INFO L225 Difference]: With dead ends: 13 [2025-04-30 10:15:43,073 INFO L226 Difference]: Without dead ends: 11 [2025-04-30 10:15:43,074 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-04-30 10:15:43,074 INFO L437 NwaCegarLoop]: 5 mSDtfsCounter, 7 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-04-30 10:15:43,075 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 13 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-04-30 10:15:43,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2025-04-30 10:15:43,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2025-04-30 10:15:43,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.0) internal successors, (8), 8 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-04-30 10:15:43,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 10 transitions. [2025-04-30 10:15:43,080 INFO L79 Accepts]: Start accepts. Automaton has 11 states and 10 transitions. Word has length 7 [2025-04-30 10:15:43,080 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-30 10:15:43,080 INFO L485 AbstractCegarLoop]: Abstraction has 11 states and 10 transitions. [2025-04-30 10:15:43,080 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-30 10:15:43,080 INFO L278 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2025-04-30 10:15:43,080 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-04-30 10:15:43,080 INFO L210 NwaCegarLoop]: Found error trace [2025-04-30 10:15:43,080 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:15:43,087 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-04-30 10:15:43,281 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 [2025-04-30 10:15:43,281 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-30 10:15:43,281 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:15:43,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1111392339, now seen corresponding path program 1 times [2025-04-30 10:15:43,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-04-30 10:15:43,282 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [228916094] [2025-04-30 10:15:43,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:15:43,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-30 10:15:43,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-30 10:15:43,285 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-30 10:15:43,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-04-30 10:15:43,322 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-04-30 10:15:43,374 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-04-30 10:15:43,374 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:15:43,374 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-30 10:15:43,374 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-30 10:15:43,390 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-04-30 10:15:43,431 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-04-30 10:15:43,431 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:15:43,431 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-30 10:15:43,445 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-04-30 10:15:43,445 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-04-30 10:15:43,446 INFO L790 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2025-04-30 10:15:43,448 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2025-04-30 10:15:43,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-04-30 10:15:43,648 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-30 10:15:43,651 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-04-30 10:15:43,672 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-30 10:15:43,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.04 10:15:43 BoogieIcfgContainer [2025-04-30 10:15:43,674 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-30 10:15:43,675 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-04-30 10:15:43,675 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-04-30 10:15:43,675 INFO L274 PluginConnector]: Witness Printer initialized [2025-04-30 10:15:43,676 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 10:15:42" (3/4) ... [2025-04-30 10:15:43,677 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-04-30 10:15:43,678 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-04-30 10:15:43,679 INFO L158 Benchmark]: Toolchain (without parser) took 1893.35ms. Allocated memory is still 83.9MB. Free memory was 59.7MB in the beginning and 27.0MB in the end (delta: 32.7MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2025-04-30 10:15:43,679 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory was 62.4MB in the beginning and 62.4MB in the end (delta: 33.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:15:43,679 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.19ms. Allocated memory is still 83.9MB. Free memory was 59.4MB in the beginning and 44.9MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-04-30 10:15:43,679 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.99ms. Allocated memory is still 83.9MB. Free memory was 44.9MB in the beginning and 43.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:15:43,679 INFO L158 Benchmark]: Boogie Preprocessor took 53.25ms. Allocated memory is still 83.9MB. Free memory was 43.3MB in the beginning and 41.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:15:43,679 INFO L158 Benchmark]: RCFGBuilder took 246.57ms. Allocated memory is still 83.9MB. Free memory was 41.4MB in the beginning and 31.5MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-30 10:15:43,680 INFO L158 Benchmark]: TraceAbstraction took 1277.01ms. Allocated memory is still 83.9MB. Free memory was 30.9MB in the beginning and 27.0MB in the end (delta: 3.9MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2025-04-30 10:15:43,680 INFO L158 Benchmark]: Witness Printer took 3.02ms. Allocated memory is still 83.9MB. Free memory was 27.0MB in the beginning and 27.0MB in the end (delta: 10.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:15:43,681 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory was 62.4MB in the beginning and 62.4MB in the end (delta: 33.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.19ms. Allocated memory is still 83.9MB. Free memory was 59.4MB in the beginning and 44.9MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.99ms. Allocated memory is still 83.9MB. Free memory was 44.9MB in the beginning and 43.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.25ms. Allocated memory is still 83.9MB. Free memory was 43.3MB in the beginning and 41.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 246.57ms. Allocated memory is still 83.9MB. Free memory was 41.4MB in the beginning and 31.5MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1277.01ms. Allocated memory is still 83.9MB. Free memory was 30.9MB in the beginning and 27.0MB in the end (delta: 3.9MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. * Witness Printer took 3.02ms. Allocated memory is still 83.9MB. Free memory was 27.0MB in the beginning and 27.0MB in the end (delta: 10.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 52]: 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 52. Possible FailurePath: [L44] jmp_buf my_jump_buffer; [L45] int count = 0; VAL [count=0] [L49] COND TRUE count < 5 VAL [count=0] [L50] CALL __VERIFIER_assert(count >= 0 && count < 5) VAL [\at(cond, Pre)=1, count=0] [L19] COND FALSE !(!(cond)) VAL [\at(cond, Pre)=1, count=0] [L50] RET __VERIFIER_assert(count >= 0 && count < 5) VAL [count=0] [L51] count++ VAL [count=1] [L52] 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: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 14 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 SizeOfPredicates, 2 NumberOfNonLiveVariables, 98 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 [2025-04-30 10:15:43,694 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